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Code Issues Releases Wiki Activity

Merge pull request #24 from aclindsa/sql_transaction_updates

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Sql transaction updates
This commit is contained in:
Aaron Lindsay 2017-10-14 20:30:52 -04:00 committed by GitHub
commit f2ce7adb52
14 changed files with 507 additions and 1080 deletions
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226
internal/handlers/accounts.go
View File

@ -3,7 +3,6 @@ package handlers
import (
"encoding/json"
"errors"
"gopkg.in/gorp.v1"
"log"
"net/http"
"regexp"
@ -129,31 +128,20 @@ func (al *AccountList) Read(json_str string) error {
return dec.Decode(al)
}
func GetAccount(db *DB, accountid int64, userid int64) (*Account, error) {
func GetAccount(tx *Tx, accountid int64, userid int64) (*Account, error) {
var a Account
err := db.SelectOne(&a, "SELECT * from accounts where UserId=? AND AccountId=?", userid, accountid)
err := tx.SelectOne(&a, "SELECT * from accounts where UserId=? AND AccountId=?", userid, accountid)
if err != nil {
return nil, err
}
return &a, nil
}
func GetAccountTx(transaction *gorp.Transaction, accountid int64, userid int64) (*Account, error) {
var a Account
err := transaction.SelectOne(&a, "SELECT * from accounts where UserId=? AND AccountId=?", userid, accountid)
if err != nil {
return nil, err
}
return &a, nil
}
func GetAccounts(db *DB, userid int64) (*[]Account, error) {
func GetAccounts(tx *Tx, userid int64) (*[]Account, error) {
var accounts []Account
_, err := db.Select(&accounts, "SELECT * from accounts where UserId=?", userid)
_, err := tx.Select(&accounts, "SELECT * from accounts where UserId=?", userid)
if err != nil {
return nil, err
}
@ -162,12 +150,12 @@ func GetAccounts(db *DB, userid int64) (*[]Account, error) {
// Get (and attempt to create if it doesn't exist). Matches on UserId,
// SecurityId, Type, Name, and ParentAccountId
func GetCreateAccountTx(transaction *gorp.Transaction, a Account) (*Account, error) {
func GetCreateAccount(tx *Tx, a Account) (*Account, error) {
var accounts []Account
var account Account
// Try to find the top-level trading account
_, err := transaction.Select(&accounts, "SELECT * from accounts where UserId=? AND SecurityId=? AND Type=? AND Name=? AND ParentAccountId=? ORDER BY AccountId ASC LIMIT 1", a.UserId, a.SecurityId, a.Type, a.Name, a.ParentAccountId)
_, err := tx.Select(&accounts, "SELECT * from accounts where UserId=? AND SecurityId=? AND Type=? AND Name=? AND ParentAccountId=? ORDER BY AccountId ASC LIMIT 1", a.UserId, a.SecurityId, a.Type, a.Name, a.ParentAccountId)
if err != nil {
return nil, err
}
@ -180,7 +168,7 @@ func GetCreateAccountTx(transaction *gorp.Transaction, a Account) (*Account, err
account.Name = a.Name
account.ParentAccountId = a.ParentAccountId
err = transaction.Insert(&account)
err = tx.Insert(&account)
if err != nil {
return nil, err
}
@ -190,11 +178,11 @@ func GetCreateAccountTx(transaction *gorp.Transaction, a Account) (*Account, err
// Get (and attempt to create if it doesn't exist) the security/currency
// trading account for the supplied security/currency
func GetTradingAccount(transaction *gorp.Transaction, userid int64, securityid int64) (*Account, error) {
func GetTradingAccount(tx *Tx, userid int64, securityid int64) (*Account, error) {
var tradingAccount Account
var account Account
user, err := GetUserTx(transaction, userid)
user, err := GetUser(tx, userid)
if err != nil {
return nil, err
}
@ -206,12 +194,12 @@ func GetTradingAccount(transaction *gorp.Transaction, userid int64, securityid i
tradingAccount.ParentAccountId = -1
// Find/create the top-level trading account
ta, err := GetCreateAccountTx(transaction, tradingAccount)
ta, err := GetCreateAccount(tx, tradingAccount)
if err != nil {
return nil, err
}
security, err := GetSecurityTx(transaction, securityid, userid)
security, err := GetSecurity(tx, securityid, userid)
if err != nil {
return nil, err
}
@ -222,7 +210,7 @@ func GetTradingAccount(transaction *gorp.Transaction, userid int64, securityid i
account.SecurityId = securityid
account.Type = Trading
a, err := GetCreateAccountTx(transaction, account)
a, err := GetCreateAccount(tx, account)
if err != nil {
return nil, err
}
@ -232,14 +220,14 @@ func GetTradingAccount(transaction *gorp.Transaction, userid int64, securityid i
// Get (and attempt to create if it doesn't exist) the security/currency
// imbalance account for the supplied security/currency
func GetImbalanceAccount(transaction *gorp.Transaction, userid int64, securityid int64) (*Account, error) {
func GetImbalanceAccount(tx *Tx, userid int64, securityid int64) (*Account, error) {
var imbalanceAccount Account
var account Account
xxxtemplate := FindSecurityTemplate("XXX", Currency)
if xxxtemplate == nil {
return nil, errors.New("Couldn't find XXX security template")
}
xxxsecurity, err := ImportGetCreateSecurity(transaction, userid, xxxtemplate)
xxxsecurity, err := ImportGetCreateSecurity(tx, userid, xxxtemplate)
if err != nil {
return nil, errors.New("Couldn't create XXX security")
}
@ -251,12 +239,12 @@ func GetImbalanceAccount(transaction *gorp.Transaction, userid int64, securityid
imbalanceAccount.Type = Bank
// Find/create the top-level trading account
ia, err := GetCreateAccountTx(transaction, imbalanceAccount)
ia, err := GetCreateAccount(tx, imbalanceAccount)
if err != nil {
return nil, err
}
security, err := GetSecurityTx(transaction, securityid, userid)
security, err := GetSecurity(tx, securityid, userid)
if err != nil {
return nil, err
}
@ -267,7 +255,7 @@ func GetImbalanceAccount(transaction *gorp.Transaction, userid int64, securityid
account.SecurityId = securityid
account.Type = Bank
a, err := GetCreateAccountTx(transaction, account)
a, err := GetCreateAccount(tx, account)
if err != nil {
return nil, err
}
@ -293,12 +281,7 @@ func (cae CircularAccountsError) Error() string {
return "Would result in circular account relationship"
}
func insertUpdateAccount(db *DB, a *Account, insert bool) error {
transaction, err := db.Begin()
if err != nil {
return err
}
func insertUpdateAccount(tx *Tx, a *Account, insert bool) error {
found := make(map[int64]bool)
if !insert {
found[a.AccountId] = true
@ -308,14 +291,12 @@ func insertUpdateAccount(db *DB, a *Account, insert bool) error {
for parentid != -1 {
depth += 1
if depth > 100 {
transaction.Rollback()
return TooMuchNestingError{}
}
var a Account
err := transaction.SelectOne(&a, "SELECT * from accounts where AccountId=?", parentid)
err := tx.SelectOne(&a, "SELECT * from accounts where AccountId=?", parentid)
if err != nil {
transaction.Rollback()
return ParentAccountMissingError{}
}
@ -327,107 +308,79 @@ func insertUpdateAccount(db *DB, a *Account, insert bool) error {
found[parentid] = true
parentid = a.ParentAccountId
if _, ok := found[parentid]; ok {
transaction.Rollback()
return CircularAccountsError{}
}
}
if insert {
err = transaction.Insert(a)
err := tx.Insert(a)
if err != nil {
transaction.Rollback()
return err
}
} else {
oldacct, err := GetAccountTx(transaction, a.AccountId, a.UserId)
oldacct, err := GetAccount(tx, a.AccountId, a.UserId)
if err != nil {
transaction.Rollback()
return err
}
a.AccountVersion = oldacct.AccountVersion + 1
count, err := transaction.Update(a)
count, err := tx.Update(a)
if err != nil {
transaction.Rollback()
return err
}
if count != 1 {
transaction.Rollback()
return errors.New("Updated more than one account")
}
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func InsertAccount(db *DB, a *Account) error {
return insertUpdateAccount(db, a, true)
func InsertAccount(tx *Tx, a *Account) error {
return insertUpdateAccount(tx, a, true)
}
func UpdateAccount(db *DB, a *Account) error {
return insertUpdateAccount(db, a, false)
func UpdateAccount(tx *Tx, a *Account) error {
return insertUpdateAccount(tx, a, false)
}
func DeleteAccount(db *DB, a *Account) error {
transaction, err := db.Begin()
if err != nil {
return err
}
func DeleteAccount(tx *Tx, a *Account) error {
if a.ParentAccountId != -1 {
// Re-parent splits to this account's parent account if this account isn't a root account
_, err = transaction.Exec("UPDATE splits SET AccountId=? WHERE AccountId=?", a.ParentAccountId, a.AccountId)
_, err := tx.Exec("UPDATE splits SET AccountId=? WHERE AccountId=?", a.ParentAccountId, a.AccountId)
if err != nil {
transaction.Rollback()
return err
}
} else {
// Delete splits if this account is a root account
_, err = transaction.Exec("DELETE FROM splits WHERE AccountId=?", a.AccountId)
_, err := tx.Exec("DELETE FROM splits WHERE AccountId=?", a.AccountId)
if err != nil {
transaction.Rollback()
return err
}
}
// Re-parent child accounts to this account's parent account
_, err = transaction.Exec("UPDATE accounts SET ParentAccountId=? WHERE ParentAccountId=?", a.ParentAccountId, a.AccountId)
_, err := tx.Exec("UPDATE accounts SET ParentAccountId=? WHERE ParentAccountId=?", a.ParentAccountId, a.AccountId)
if err != nil {
transaction.Rollback()
return err
}
count, err := transaction.Delete(a)
count, err := tx.Delete(a)
if err != nil {
transaction.Rollback()
return err
}
if count != 1 {
transaction.Rollback()
return errors.New("Was going to delete more than one account")
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func AccountHandler(w http.ResponseWriter, r *http.Request, db *DB) {
user, err := GetUserFromSession(db, r)
func AccountHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
user, err := GetUserFromSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
if r.Method == "POST" {
@ -439,59 +392,46 @@ func AccountHandler(w http.ResponseWriter, r *http.Request, db *DB) {
n, err := GetURLPieces(r.URL.Path, "/account/%d/import/%s", &accountid, &importtype)
if err != nil || n != 2 {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
AccountImportHandler(db, w, r, user, accountid, importtype)
return
return AccountImportHandler(tx, r, user, accountid, importtype)
}
account_json := r.PostFormValue("account")
if account_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var account Account
err := account.Read(account_json)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
account.AccountId = -1
account.UserId = user.UserId
account.AccountVersion = 0
security, err := GetSecurity(db, account.SecurityId, user.UserId)
security, err := GetSecurity(tx, account.SecurityId, user.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
if security == nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = InsertAccount(db, &account)
err = InsertAccount(tx, &account)
if err != nil {
if _, ok := err.(ParentAccountMissingError); ok {
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
} else {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return NewError(999 /*Internal Error*/)
}
return
}
w.WriteHeader(201 /*Created*/)
err = account.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return ResponseWrapper{201, &account}
} else if r.Method == "GET" {
var accountid int64
n, err := GetURLPieces(r.URL.Path, "/account/%d", &accountid)
@ -499,112 +439,86 @@ func AccountHandler(w http.ResponseWriter, r *http.Request, db *DB) {
if err != nil || n != 1 {
//Return all Accounts
var al AccountList
accounts, err := GetAccounts(db, user.UserId)
accounts, err := GetAccounts(tx, user.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
al.Accounts = accounts
err = (&al).Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &al
} else {
// if URL looks like /account/[0-9]+/transactions, use the account
// transaction handler
if accountTransactionsRE.MatchString(r.URL.Path) {
AccountTransactionsHandler(db, w, r, user, accountid)
return
return AccountTransactionsHandler(tx, r, user, accountid)
}
// Return Account with this Id
account, err := GetAccount(db, accountid, user.UserId)
account, err := GetAccount(tx, accountid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = account.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return account
}
} else {
accountid, err := GetURLID(r.URL.Path)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
if r.Method == "PUT" {
account_json := r.PostFormValue("account")
if account_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var account Account
err := account.Read(account_json)
if err != nil || account.AccountId != accountid {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
account.UserId = user.UserId
security, err := GetSecurity(db, account.SecurityId, user.UserId)
security, err := GetSecurity(tx, account.SecurityId, user.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
if security == nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
if account.ParentAccountId == account.AccountId {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = UpdateAccount(db, &account)
err = UpdateAccount(tx, &account)
if err != nil {
if _, ok := err.(ParentAccountMissingError); ok {
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
} else if _, ok := err.(CircularAccountsError); ok {
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
} else {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return NewError(999 /*Internal Error*/)
}
return
}
err = account.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &account
} else if r.Method == "DELETE" {
account, err := GetAccount(db, accountid, user.UserId)
account, err := GetAccount(tx, accountid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = DeleteAccount(db, account)
err = DeleteAccount(tx, account)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
WriteSuccess(w)
return SuccessWriter{}
}
}
return NewError(3 /*Invalid Request*/)
}

16
internal/handlers/accounts_lua.go
View File

@ -15,9 +15,9 @@ func luaContextGetAccounts(L *lua.LState) (map[int64]*Account, error) {
ctx := L.Context()
db, ok := ctx.Value(dbContextKey).(*DB)
tx, ok := ctx.Value(dbContextKey).(*Tx)
if !ok {
return nil, errors.New("Couldn't find DB in lua's Context")
return nil, errors.New("Couldn't find tx in lua's Context")
}
account_map, ok = ctx.Value(accountsContextKey).(map[int64]*Account)
@ -27,7 +27,7 @@ func luaContextGetAccounts(L *lua.LState) (map[int64]*Account, error) {
return nil, errors.New("Couldn't find User in lua's Context")
}
accounts, err := GetAccounts(db, user.UserId)
accounts, err := GetAccounts(tx, user.UserId)
if err != nil {
return nil, err
}
@ -149,9 +149,9 @@ func luaAccountBalance(L *lua.LState) int {
a := luaCheckAccount(L, 1)
ctx := L.Context()
db, ok := ctx.Value(dbContextKey).(*DB)
tx, ok := ctx.Value(dbContextKey).(*Tx)
if !ok {
panic("Couldn't find DB in lua's Context")
panic("Couldn't find tx in lua's Context")
}
user, ok := ctx.Value(userContextKey).(*User)
if !ok {
@ -171,12 +171,12 @@ func luaAccountBalance(L *lua.LState) int {
if date != nil {
end := luaWeakCheckTime(L, 3)
if end != nil {
rat, err = GetAccountBalanceDateRange(db, user, a.AccountId, date, end)
rat, err = GetAccountBalanceDateRange(tx, user, a.AccountId, date, end)
} else {
rat, err = GetAccountBalanceDate(db, user, a.AccountId, date)
rat, err = GetAccountBalanceDate(tx, user, a.AccountId, date)
}
} else {
rat, err = GetAccountBalance(db, user, a.AccountId)
rat, err = GetAccountBalance(tx, user, a.AccountId)
}
if err != nil {
panic("Failed to GetAccountBalance:" + err.Error())

8
internal/handlers/errors.go
View File

@ -38,13 +38,17 @@ var error_codes = map[int]string{
999: "Internal Error",
}
func WriteError(w http.ResponseWriter, error_code int) {
func NewError(error_code int) *Error {
msg, ok := error_codes[error_code]
if !ok {
log.Printf("Error: WriteError received error code of %d", error_code)
msg = error_codes[999]
}
e := Error{error_code, msg}
return &Error{error_code, msg}
}
func WriteError(w http.ResponseWriter, error_code int) {
e := NewError(error_code)
err := e.Write(w)
if err != nil {

82
internal/handlers/gnucash.go
View File

@ -308,42 +308,37 @@ func ImportGnucash(r io.Reader) (*GnucashImport, error) {
return &gncimport, nil
}
func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
user, err := GetUserFromSession(db, r)
func GnucashImportHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
user, err := GetUserFromSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
if r.Method != "POST" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
multipartReader, err := r.MultipartReader()
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
// Assume there is only one 'part' and it's the one we care about
part, err := multipartReader.NextPart()
if err != nil {
if err == io.EOF {
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
} else {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return NewError(999 /*Internal Error*/)
}
return
}
bufread := bufio.NewReader(part)
gzHeader, err := bufread.Peek(2)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
// Does this look like a gzipped file?
@ -351,9 +346,8 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
if gzHeader[0] == 0x1f && gzHeader[1] == 0x8b {
gzr, err := gzip.NewReader(bufread)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
gnucashImport, err = ImportGnucash(gzr)
} else {
@ -361,15 +355,7 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
}
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
}
sqltransaction, err := db.Begin()
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(3 /*Invalid Request*/)
}
// Import securities, building map from Gnucash security IDs to our
@ -377,13 +363,11 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
securityMap := make(map[int64]int64)
for _, security := range gnucashImport.Securities {
securityId := security.SecurityId // save off because it could be updated
s, err := ImportGetCreateSecurity(sqltransaction, user.UserId, &security)
s, err := ImportGetCreateSecurity(tx, user.UserId, &security)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 6 /*Import Error*/)
log.Print(err)
log.Print(security)
return
return NewError(6 /*Import Error*/)
}
securityMap[securityId] = s.SecurityId
}
@ -394,12 +378,10 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
price.CurrencyId = securityMap[price.CurrencyId]
price.PriceId = 0
err := CreatePriceIfNotExist(sqltransaction, &price)
err := CreatePriceIfNotExist(tx, &price)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 6 /*Import Error*/)
log.Print(err)
return
return NewError(6 /*Import Error*/)
}
}
@ -425,12 +407,10 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
account.ParentAccountId = accountMap[account.ParentAccountId]
}
account.SecurityId = securityMap[account.SecurityId]
a, err := GetCreateAccountTx(sqltransaction, account)
a, err := GetCreateAccount(tx, account)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
accountMap[account.AccountId] = a.AccountId
accountsRemaining--
@ -438,10 +418,8 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
}
if accountsRemaining == accountsRemainingLast {
//We didn't make any progress in importing the next level of accounts, so there must be a circular parent-child relationship, so give up and tell the user they're wrong
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(fmt.Errorf("Circular account parent-child relationship when importing %s", part.FileName()))
return
return NewError(999 /*Internal Error*/)
}
accountsRemainingLast = accountsRemaining
}
@ -453,41 +431,27 @@ func GnucashImportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
for _, split := range transaction.Splits {
acctId, ok := accountMap[split.AccountId]
if !ok {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(fmt.Errorf("Error: Split's AccountID Doesn't exist: %d\n", split.AccountId))
return
return NewError(999 /*Internal Error*/)
}
split.AccountId = acctId
exists, err := split.AlreadyImportedTx(sqltransaction)
exists, err := split.AlreadyImported(tx)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Error checking if split was already imported:", err)
return
return NewError(999 /*Internal Error*/)
} else if exists {
already_imported = true
}
}
if !already_imported {
err := InsertTransactionTx(sqltransaction, &transaction, user)
err := InsertTransaction(tx, &transaction, user)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
}
}
err = sqltransaction.Commit()
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
WriteSuccess(w)
return SuccessWriter{}
}

62
internal/handlers/handlers.go
View File

@ -2,30 +2,64 @@ package handlers
import (
"gopkg.in/gorp.v1"
"log"
"net/http"
)
// Create a closure over db, allowing the handlers to look like a
// http.HandlerFunc
type DB = gorp.DbMap
type DBHandler func(http.ResponseWriter, *http.Request, *DB)
// But who writes the ResponseWriterWriter?
type ResponseWriterWriter interface {
Write(http.ResponseWriter) error
}
type Tx = gorp.Transaction
type TxHandler func(*http.Request, *Tx) ResponseWriterWriter
func DBHandlerFunc(h DBHandler, db *DB) http.HandlerFunc {
func TxHandlerFunc(t TxHandler, db *gorp.DbMap) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
h(w, r, db)
tx, err := db.Begin()
if err != nil {
log.Print(err)
WriteError(w, 999 /*Internal Error*/)
return
}
defer func() {
if r := recover(); r != nil {
tx.Rollback()
WriteError(w, 999 /*Internal Error*/)
panic(r)
}
}()
writer := t(r, tx)
if e, ok := writer.(*Error); ok {
tx.Rollback()
e.Write(w)
} else {
err = tx.Commit()
if err != nil {
log.Print(err)
WriteError(w, 999 /*Internal Error*/)
} else {
err = writer.Write(w)
if err != nil {
log.Print(err)
WriteError(w, 999 /*Internal Error*/)
}
}
}
}
}
func GetHandler(db *DB) *http.ServeMux {
func GetHandler(db *gorp.DbMap) *http.ServeMux {
servemux := http.NewServeMux()
servemux.HandleFunc("/session/", DBHandlerFunc(SessionHandler, db))
servemux.HandleFunc("/user/", DBHandlerFunc(UserHandler, db))
servemux.HandleFunc("/security/", DBHandlerFunc(SecurityHandler, db))
servemux.HandleFunc("/session/", TxHandlerFunc(SessionHandler, db))
servemux.HandleFunc("/user/", TxHandlerFunc(UserHandler, db))
servemux.HandleFunc("/security/", TxHandlerFunc(SecurityHandler, db))
servemux.HandleFunc("/securitytemplate/", SecurityTemplateHandler)
servemux.HandleFunc("/account/", DBHandlerFunc(AccountHandler, db))
servemux.HandleFunc("/transaction/", DBHandlerFunc(TransactionHandler, db))
servemux.HandleFunc("/import/gnucash", DBHandlerFunc(GnucashImportHandler, db))
servemux.HandleFunc("/report/", DBHandlerFunc(ReportHandler, db))
servemux.HandleFunc("/account/", TxHandlerFunc(AccountHandler, db))
servemux.HandleFunc("/transaction/", TxHandlerFunc(TransactionHandler, db))
servemux.HandleFunc("/import/gnucash", TxHandlerFunc(GnucashImportHandler, db))
servemux.HandleFunc("/report/", TxHandlerFunc(ReportHandler, db))
return servemux
}

159
internal/handlers/imports.go
View File

@ -22,48 +22,35 @@ func (od *OFXDownload) Read(json_str string) error {
return dec.Decode(od)
}
func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, accountid int64) {
func ofxImportHelper(tx *Tx, r io.Reader, user *User, accountid int64) ResponseWriterWriter {
itl, err := ImportOFX(r)
if err != nil {
//TODO is this necessarily an invalid request (what if it was an error on our end)?
WriteError(w, 3 /*Invalid Request*/)
log.Print(err)
return
return NewError(3 /*Invalid Request*/)
}
if len(itl.Accounts) != 1 {
WriteError(w, 3 /*Invalid Request*/)
log.Printf("Found %d accounts when importing OFX, expected 1", len(itl.Accounts))
return
}
sqltransaction, err := db.Begin()
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(3 /*Invalid Request*/)
}
// Return Account with this Id
account, err := GetAccountTx(sqltransaction, accountid, user.UserId)
account, err := GetAccount(tx, accountid, user.UserId)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 3 /*Invalid Request*/)
log.Print(err)
return
return NewError(3 /*Invalid Request*/)
}
importedAccount := itl.Accounts[0]
if len(account.ExternalAccountId) > 0 &&
account.ExternalAccountId != importedAccount.ExternalAccountId {
sqltransaction.Rollback()
WriteError(w, 3 /*Invalid Request*/)
log.Printf("OFX import has \"%s\" as ExternalAccountId, but the account being imported to has\"%s\"",
importedAccount.ExternalAccountId,
account.ExternalAccountId)
return
return NewError(3 /*Invalid Request*/)
}
// Find matching existing securities or create new ones for those
@ -74,21 +61,17 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
// save off since ImportGetCreateSecurity overwrites SecurityId on
// ofxsecurity
oldsecurityid := ofxsecurity.SecurityId
security, err := ImportGetCreateSecurity(sqltransaction, user.UserId, &ofxsecurity)
security, err := ImportGetCreateSecurity(tx, user.UserId, &ofxsecurity)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
securitymap[oldsecurityid] = *security
}
if account.SecurityId != securitymap[importedAccount.SecurityId].SecurityId {
sqltransaction.Rollback()
WriteError(w, 3 /*Invalid Request*/)
log.Printf("OFX import account's SecurityId (%d) does not match this account's (%d)", securitymap[importedAccount.SecurityId].SecurityId, account.SecurityId)
return
return NewError(3 /*Invalid Request*/)
}
// TODO Ensure all transactions have at least one split in the account
@ -99,10 +82,8 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
transaction.UserId = user.UserId
if !transaction.Valid() {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Unexpected invalid transaction from OFX import")
return
return NewError(999 /*Internal Error*/)
}
// Ensure that either AccountId or SecurityId is set for this split,
@ -112,10 +93,8 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
split.Status = Imported
if split.AccountId != -1 {
if split.AccountId != importedAccount.AccountId {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Imported split's AccountId wasn't -1 but also didn't match the account")
return
return NewError(999 /*Internal Error*/)
}
split.AccountId = account.AccountId
} else if split.SecurityId != -1 {
@ -123,12 +102,10 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
// TODO try to auto-match splits to existing accounts based on past transactions that look like this one
if split.ImportSplitType == TradingAccount {
// Find/make trading account if we're that type of split
trading_account, err := GetTradingAccount(sqltransaction, user.UserId, sec.SecurityId)
trading_account, err := GetTradingAccount(tx, user.UserId, sec.SecurityId)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Couldn't find split's SecurityId in map during OFX import")
return
return NewError(999 /*Internal Error*/)
}
split.AccountId = trading_account.AccountId
split.SecurityId = -1
@ -140,12 +117,10 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
SecurityId: sec.SecurityId,
Type: account.Type,
}
subaccount, err := GetCreateAccountTx(sqltransaction, *subaccount)
subaccount, err := GetCreateAccount(tx, *subaccount)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
split.AccountId = subaccount.AccountId
split.SecurityId = -1
@ -153,49 +128,39 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
split.SecurityId = sec.SecurityId
}
} else {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Couldn't find split's SecurityId in map during OFX import")
return
return NewError(999 /*Internal Error*/)
}
} else {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Neither Split.AccountId Split.SecurityId was set during OFX import")
return
return NewError(999 /*Internal Error*/)
}
}
imbalances, err := transaction.GetImbalancesTx(sqltransaction)
imbalances, err := transaction.GetImbalances(tx)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
// Fixup any imbalances in transactions
var zero big.Rat
for imbalanced_security, imbalance := range imbalances {
if imbalance.Cmp(&zero) != 0 {
imbalanced_account, err := GetImbalanceAccount(sqltransaction, user.UserId, imbalanced_security)
imbalanced_account, err := GetImbalanceAccount(tx, user.UserId, imbalanced_security)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
// Add new split to fixup imbalance
split := new(Split)
r := new(big.Rat)
r.Neg(&imbalance)
security, err := GetSecurityTx(sqltransaction, imbalanced_security, user.UserId)
security, err := GetSecurity(tx, imbalanced_security, user.UserId)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
split.Amount = r.FloatString(security.Precision)
split.SecurityId = -1
@ -210,24 +175,20 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
var already_imported bool
for _, split := range transaction.Splits {
if split.SecurityId != -1 || split.AccountId == -1 {
imbalanced_account, err := GetImbalanceAccount(sqltransaction, user.UserId, split.SecurityId)
imbalanced_account, err := GetImbalanceAccount(tx, user.UserId, split.SecurityId)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
split.AccountId = imbalanced_account.AccountId
split.SecurityId = -1
}
exists, err := split.AlreadyImportedTx(sqltransaction)
exists, err := split.AlreadyImported(tx)
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print("Error checking if split was already imported:", err)
return
return NewError(999 /*Internal Error*/)
} else if exists {
already_imported = true
}
@ -239,55 +200,38 @@ func ofxImportHelper(db *DB, r io.Reader, w http.ResponseWriter, user *User, acc
}
for _, transaction := range transactions {
err := InsertTransactionTx(sqltransaction, &transaction, user)
err := InsertTransaction(tx, &transaction, user)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
}
err = sqltransaction.Commit()
if err != nil {
sqltransaction.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
WriteSuccess(w)
return SuccessWriter{}
}
func OFXImportHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User, accountid int64) {
func OFXImportHandler(tx *Tx, r *http.Request, user *User, accountid int64) ResponseWriterWriter {
download_json := r.PostFormValue("ofxdownload")
if download_json == "" {
log.Print("download_json")
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var ofxdownload OFXDownload
err := ofxdownload.Read(download_json)
if err != nil {
log.Print("ofxdownload.Read")
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
account, err := GetAccount(db, accountid, user.UserId)
account, err := GetAccount(tx, accountid, user.UserId)
if err != nil {
log.Print("GetAccount")
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
ofxver := ofxgo.OfxVersion203
if len(account.OFXVersion) != 0 {
ofxver, err = ofxgo.NewOfxVersion(account.OFXVersion)
if err != nil {
log.Print("NewOfxVersion")
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
}
@ -308,9 +252,8 @@ func OFXImportHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User
transactionuid, err := ofxgo.RandomUID()
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Println("Error creating uid for transaction:", err)
return
return NewError(999 /*Internal Error*/)
}
if account.Type == Investment {
@ -343,8 +286,7 @@ func OFXImportHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User
// Import generic bank transactions
acctTypeEnum, err := ofxgo.NewAcctType(account.OFXAcctType)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
statementRequest := ofxgo.StatementRequest{
TrnUID: *transactionuid,
@ -361,49 +303,46 @@ func OFXImportHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User
response, err := client.RequestNoParse(&query)
if err != nil {
// TODO this could be an error talking with the OFX server...
WriteError(w, 3 /*Invalid Request*/)
log.Print(err)
return
return NewError(3 /*Invalid Request*/)
}
defer response.Body.Close()
ofxImportHelper(db, response.Body, w, user, accountid)
return ofxImportHelper(tx, response.Body, user, accountid)
}
func OFXFileImportHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User, accountid int64) {
func OFXFileImportHandler(tx *Tx, r *http.Request, user *User, accountid int64) ResponseWriterWriter {
multipartReader, err := r.MultipartReader()
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
// assume there is only one 'part'
part, err := multipartReader.NextPart()
if err != nil {
if err == io.EOF {
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
log.Print("Encountered unexpected EOF")
} else {
WriteError(w, 999 /*Internal Error*/)
return NewError(999 /*Internal Error*/)
log.Print(err)
}
return
}
ofxImportHelper(db, part, w, user, accountid)
return ofxImportHelper(tx, part, user, accountid)
}
/*
* Assumes the User is a valid, signed-in user, but accountid has not yet been validated
*/
func AccountImportHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User, accountid int64, importtype string) {
func AccountImportHandler(tx *Tx, r *http.Request, user *User, accountid int64, importtype string) ResponseWriterWriter {
switch importtype {
case "ofx":
OFXImportHandler(db, w, r, user, accountid)
return OFXImportHandler(tx, r, user, accountid)
case "ofxfile":
OFXFileImportHandler(db, w, r, user, accountid)
return OFXFileImportHandler(tx, r, user, accountid)
default:
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
}
}

48
internal/handlers/prices.go
View File

@ -1,7 +1,6 @@
package handlers
import (
"gopkg.in/gorp.v1"
"time"
)
@ -14,18 +13,18 @@ type Price struct {
RemoteId string // unique ID from source, for detecting duplicates
}
func InsertPriceTx(transaction *gorp.Transaction, p *Price) error {
err := transaction.Insert(p)
func InsertPrice(tx *Tx, p *Price) error {
err := tx.Insert(p)
if err != nil {
return err
}
return nil
}
func CreatePriceIfNotExist(transaction *gorp.Transaction, price *Price) error {
func CreatePriceIfNotExist(tx *Tx, price *Price) error {
if len(price.RemoteId) == 0 {
// Always create a new price if we can't match on the RemoteId
err := InsertPriceTx(transaction, price)
err := InsertPrice(tx, price)
if err != nil {
return err
}
@ -34,7 +33,7 @@ func CreatePriceIfNotExist(transaction *gorp.Transaction, price *Price) error {
var prices []*Price
_, err := transaction.Select(&prices, "SELECT * from prices where SecurityId=? AND CurrencyId=? AND Date=? AND Value=?", price.SecurityId, price.CurrencyId, price.Date, price.Value)
_, err := tx.Select(&prices, "SELECT * from prices where SecurityId=? AND CurrencyId=? AND Date=? AND Value=?", price.SecurityId, price.CurrencyId, price.Date, price.Value)
if err != nil {
return err
}
@ -43,7 +42,7 @@ func CreatePriceIfNotExist(transaction *gorp.Transaction, price *Price) error {
return nil // price already exists
}
err = InsertPriceTx(transaction, price)
err = InsertPrice(tx, price)
if err != nil {
return err
}
@ -51,9 +50,9 @@ func CreatePriceIfNotExist(transaction *gorp.Transaction, price *Price) error {
}
// Return the latest price for security in currency units before date
func GetLatestPrice(transaction *gorp.Transaction, security, currency *Security, date *time.Time) (*Price, error) {
func GetLatestPrice(tx *Tx, security, currency *Security, date *time.Time) (*Price, error) {
var p Price
err := transaction.SelectOne(&p, "SELECT * from prices where SecurityId=? AND CurrencyId=? AND Date <= ? ORDER BY Date DESC LIMIT 1", security.SecurityId, currency.SecurityId, date)
err := tx.SelectOne(&p, "SELECT * from prices where SecurityId=? AND CurrencyId=? AND Date <= ? ORDER BY Date DESC LIMIT 1", security.SecurityId, currency.SecurityId, date)
if err != nil {
return nil, err
}
@ -61,9 +60,9 @@ func GetLatestPrice(transaction *gorp.Transaction, security, currency *Security,
}
// Return the earliest price for security in currency units after date
func GetEarliestPrice(transaction *gorp.Transaction, security, currency *Security, date *time.Time) (*Price, error) {
func GetEarliestPrice(tx *Tx, security, currency *Security, date *time.Time) (*Price, error) {
var p Price
err := transaction.SelectOne(&p, "SELECT * from prices where SecurityId=? AND CurrencyId=? AND Date >= ? ORDER BY Date ASC LIMIT 1", security.SecurityId, currency.SecurityId, date)
err := tx.SelectOne(&p, "SELECT * from prices where SecurityId=? AND CurrencyId=? AND Date >= ? ORDER BY Date ASC LIMIT 1", security.SecurityId, currency.SecurityId, date)
if err != nil {
return nil, err
}
@ -71,9 +70,9 @@ func GetEarliestPrice(transaction *gorp.Transaction, security, currency *Securit
}
// Return the price for security in currency closest to date
func GetClosestPriceTx(transaction *gorp.Transaction, security, currency *Security, date *time.Time) (*Price, error) {
earliest, _ := GetEarliestPrice(transaction, security, currency, date)
latest, err := GetLatestPrice(transaction, security, currency, date)
func GetClosestPrice(tx *Tx, security, currency *Security, date *time.Time) (*Price, error) {
earliest, _ := GetEarliestPrice(tx, security, currency, date)
latest, err := GetLatestPrice(tx, security, currency, date)
// Return early if either earliest or latest are invalid
if earliest == nil {
@ -90,24 +89,3 @@ func GetClosestPriceTx(transaction *gorp.Transaction, security, currency *Securi
return earliest, nil
}
}
func GetClosestPrice(db *DB, security, currency *Security, date *time.Time) (*Price, error) {
transaction, err := db.Begin()
if err != nil {
return nil, err
}
price, err := GetClosestPriceTx(transaction, security, currency, date)
if err != nil {
transaction.Rollback()
return nil, err
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return price, nil
}

133
internal/handlers/reports.go
View File

@ -77,36 +77,36 @@ func (r *Tabulation) Write(w http.ResponseWriter) error {
return enc.Encode(r)
}
func GetReport(db *DB, reportid int64, userid int64) (*Report, error) {
func GetReport(tx *Tx, reportid int64, userid int64) (*Report, error) {
var r Report
err := db.SelectOne(&r, "SELECT * from reports where UserId=? AND ReportId=?", userid, reportid)
err := tx.SelectOne(&r, "SELECT * from reports where UserId=? AND ReportId=?", userid, reportid)
if err != nil {
return nil, err
}
return &r, nil
}
func GetReports(db *DB, userid int64) (*[]Report, error) {
func GetReports(tx *Tx, userid int64) (*[]Report, error) {
var reports []Report
_, err := db.Select(&reports, "SELECT * from reports where UserId=?", userid)
_, err := tx.Select(&reports, "SELECT * from reports where UserId=?", userid)
if err != nil {
return nil, err
}
return &reports, nil
}
func InsertReport(db *DB, r *Report) error {
err := db.Insert(r)
func InsertReport(tx *Tx, r *Report) error {
err := tx.Insert(r)
if err != nil {
return err
}
return nil
}
func UpdateReport(db *DB, r *Report) error {
count, err := db.Update(r)
func UpdateReport(tx *Tx, r *Report) error {
count, err := tx.Update(r)
if err != nil {
return err
}
@ -116,8 +116,8 @@ func UpdateReport(db *DB, r *Report) error {
return nil
}
func DeleteReport(db *DB, r *Report) error {
count, err := db.Delete(r)
func DeleteReport(tx *Tx, r *Report) error {
count, err := tx.Delete(r)
if err != nil {
return err
}
@ -127,14 +127,14 @@ func DeleteReport(db *DB, r *Report) error {
return nil
}
func runReport(db *DB, user *User, report *Report) (*Tabulation, error) {
func runReport(tx *Tx, user *User, report *Report) (*Tabulation, error) {
// Create a new LState without opening the default libs for security
L := lua.NewState(lua.Options{SkipOpenLibs: true})
defer L.Close()
// Create a new context holding the current user with a timeout
ctx := context.WithValue(context.Background(), userContextKey, user)
ctx = context.WithValue(ctx, dbContextKey, db)
ctx = context.WithValue(ctx, dbContextKey, tx)
ctx, cancel := context.WithTimeout(ctx, luaTimeoutSeconds*time.Second)
defer cancel()
L.SetContext(ctx)
@ -191,79 +191,60 @@ func runReport(db *DB, user *User, report *Report) (*Tabulation, error) {
}
}
func ReportTabulationHandler(db *DB, w http.ResponseWriter, r *http.Request, user *User, reportid int64) {
report, err := GetReport(db, reportid, user.UserId)
func ReportTabulationHandler(tx *Tx, r *http.Request, user *User, reportid int64) ResponseWriterWriter {
report, err := GetReport(tx, reportid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
tabulation, err := runReport(db, user, report)
tabulation, err := runReport(tx, user, report)
if err != nil {
// TODO handle different failure cases differently
log.Print("runReport returned:", err)
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
tabulation.ReportId = reportid
err = tabulation.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return tabulation
}
func ReportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
user, err := GetUserFromSession(db, r)
func ReportHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
user, err := GetUserFromSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
if r.Method == "POST" {
report_json := r.PostFormValue("report")
if report_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var report Report
err := report.Read(report_json)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
report.ReportId = -1
report.UserId = user.UserId
err = InsertReport(db, &report)
err = InsertReport(tx, &report)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
w.WriteHeader(201 /*Created*/)
err = report.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return ResponseWrapper{201, &report}
} else if r.Method == "GET" {
if reportTabulationRE.MatchString(r.URL.Path) {
var reportid int64
n, err := GetURLPieces(r.URL.Path, "/report/%d/tabulation", &reportid)
if err != nil || n != 1 {
WriteError(w, 999 /*InternalError*/)
log.Print(err)
return
return NewError(999 /*InternalError*/)
}
ReportTabulationHandler(db, w, r, user, reportid)
return
return ReportTabulationHandler(tx, r, user, reportid)
}
var reportid int64
@ -271,84 +252,62 @@ func ReportHandler(w http.ResponseWriter, r *http.Request, db *DB) {
if err != nil || n != 1 {
//Return all Reports
var rl ReportList
reports, err := GetReports(db, user.UserId)
reports, err := GetReports(tx, user.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
rl.Reports = reports
err = (&rl).Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &rl
} else {
// Return Report with this Id
report, err := GetReport(db, reportid, user.UserId)
report, err := GetReport(tx, reportid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = report.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return report
}
} else {
reportid, err := GetURLID(r.URL.Path)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
if r.Method == "PUT" {
report_json := r.PostFormValue("report")
if report_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var report Report
err := report.Read(report_json)
if err != nil || report.ReportId != reportid {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
report.UserId = user.UserId
err = UpdateReport(db, &report)
err = UpdateReport(tx, &report)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
err = report.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &report
} else if r.Method == "DELETE" {
report, err := GetReport(db, reportid, user.UserId)
report, err := GetReport(tx, reportid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = DeleteReport(db, report)
err = DeleteReport(tx, report)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
WriteSuccess(w)
return SuccessWriter{}
}
}
return NewError(3 /*Invalid Request*/)
}

177
internal/handlers/securities.go
View File

@ -5,7 +5,6 @@ package handlers
import (
"encoding/json"
"errors"
"gopkg.in/gorp.v1"
"log"
"net/http"
"net/url"
@ -103,83 +102,50 @@ func FindCurrencyTemplate(iso4217 int64) *Security {
return nil
}
func GetSecurity(db *DB, securityid int64, userid int64) (*Security, error) {
func GetSecurity(tx *Tx, securityid int64, userid int64) (*Security, error) {
var s Security
err := db.SelectOne(&s, "SELECT * from securities where UserId=? AND SecurityId=?", userid, securityid)
err := tx.SelectOne(&s, "SELECT * from securities where UserId=? AND SecurityId=?", userid, securityid)
if err != nil {
return nil, err
}
return &s, nil
}
func GetSecurityTx(transaction *gorp.Transaction, securityid int64, userid int64) (*Security, error) {
var s Security
err := transaction.SelectOne(&s, "SELECT * from securities where UserId=? AND SecurityId=?", userid, securityid)
if err != nil {
return nil, err
}
return &s, nil
}
func GetSecurities(db *DB, userid int64) (*[]*Security, error) {
func GetSecurities(tx *Tx, userid int64) (*[]*Security, error) {
var securities []*Security
_, err := db.Select(&securities, "SELECT * from securities where UserId=?", userid)
_, err := tx.Select(&securities, "SELECT * from securities where UserId=?", userid)
if err != nil {
return nil, err
}
return &securities, nil
}
func InsertSecurity(db *DB, s *Security) error {
err := db.Insert(s)
func InsertSecurity(tx *Tx, s *Security) error {
err := tx.Insert(s)
if err != nil {
return err
}
return nil
}
func InsertSecurityTx(transaction *gorp.Transaction, s *Security) error {
err := transaction.Insert(s)
func UpdateSecurity(tx *Tx, s *Security) (err error) {
user, err := GetUser(tx, s.UserId)
if err != nil {
return err
}
return nil
}
func UpdateSecurity(db *DB, s *Security) error {
transaction, err := db.Begin()
if err != nil {
return err
}
user, err := GetUserTx(transaction, s.UserId)
if err != nil {
transaction.Rollback()
return err
return
} else if user.DefaultCurrency == s.SecurityId && s.Type != Currency {
transaction.Rollback()
return errors.New("Cannot change security which is user's default currency to be non-currency")
}
count, err := transaction.Update(s)
count, err := tx.Update(s)
if err != nil {
transaction.Rollback()
return err
return
}
if count != 1 {
transaction.Rollback()
return errors.New("Updated more than one security")
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
@ -191,61 +157,44 @@ func (e SecurityInUseError) Error() string {
return e.message
}
func DeleteSecurity(db *DB, s *Security) error {
transaction, err := db.Begin()
if err != nil {
return err
}
func DeleteSecurity(tx *Tx, s *Security) error {
// First, ensure no accounts are using this security
accounts, err := transaction.SelectInt("SELECT count(*) from accounts where UserId=? and SecurityId=?", s.UserId, s.SecurityId)
accounts, err := tx.SelectInt("SELECT count(*) from accounts where UserId=? and SecurityId=?", s.UserId, s.SecurityId)
if accounts != 0 {
transaction.Rollback()
return SecurityInUseError{"One or more accounts still use this security"}
}
user, err := GetUserTx(transaction, s.UserId)
user, err := GetUser(tx, s.UserId)
if err != nil {
transaction.Rollback()
return err
} else if user.DefaultCurrency == s.SecurityId {
transaction.Rollback()
return SecurityInUseError{"Cannot delete security which is user's default currency"}
}
// Remove all prices involving this security (either of this security, or
// using it as a currency)
_, err = transaction.Exec("DELETE FROM prices WHERE SecurityId=? OR CurrencyId=?", s.SecurityId, s.SecurityId)
_, err = tx.Exec("DELETE FROM prices WHERE SecurityId=? OR CurrencyId=?", s.SecurityId, s.SecurityId)
if err != nil {
transaction.Rollback()
return err
}
count, err := transaction.Delete(s)
count, err := tx.Delete(s)
if err != nil {
transaction.Rollback()
return err
}
if count != 1 {
transaction.Rollback()
return errors.New("Deleted more than one security")
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func ImportGetCreateSecurity(transaction *gorp.Transaction, userid int64, security *Security) (*Security, error) {
func ImportGetCreateSecurity(tx *Tx, userid int64, security *Security) (*Security, error) {
security.UserId = userid
if len(security.AlternateId) == 0 {
// Always create a new local security if we can't match on the AlternateId
err := InsertSecurityTx(transaction, security)
err := InsertSecurity(tx, security)
if err != nil {
return nil, err
}
@ -254,7 +203,7 @@ func ImportGetCreateSecurity(transaction *gorp.Transaction, userid int64, securi
var securities []*Security
_, err := transaction.Select(&securities, "SELECT * from securities where UserId=? AND Type=? AND AlternateId=? AND Precision=?", userid, security.Type, security.AlternateId, security.Precision)
_, err := tx.Select(&securities, "SELECT * from securities where UserId=? AND Type=? AND AlternateId=? AND Precision=?", userid, security.Type, security.AlternateId, security.Precision)
if err != nil {
return nil, err
}
@ -286,7 +235,7 @@ func ImportGetCreateSecurity(transaction *gorp.Transaction, userid int64, securi
}
// If there wasn't even one security in the list, make a new one
err = InsertSecurityTx(transaction, security)
err = InsertSecurity(tx, security)
if err != nil {
return nil, err
}
@ -294,43 +243,33 @@ func ImportGetCreateSecurity(transaction *gorp.Transaction, userid int64, securi
return security, nil
}
func SecurityHandler(w http.ResponseWriter, r *http.Request, db *DB) {
user, err := GetUserFromSession(db, r)
func SecurityHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
user, err := GetUserFromSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
if r.Method == "POST" {
security_json := r.PostFormValue("security")
if security_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var security Security
err := security.Read(security_json)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
security.SecurityId = -1
security.UserId = user.UserId
err = InsertSecurity(db, &security)
err = InsertSecurity(tx, &security)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
w.WriteHeader(201 /*Created*/)
err = security.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return ResponseWrapper{201, &security}
} else if r.Method == "GET" {
var securityid int64
n, err := GetURLPieces(r.URL.Path, "/security/%d", &securityid)
@ -339,87 +278,65 @@ func SecurityHandler(w http.ResponseWriter, r *http.Request, db *DB) {
//Return all securities
var sl SecurityList
securities, err := GetSecurities(db, user.UserId)
securities, err := GetSecurities(tx, user.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
sl.Securities = securities
err = (&sl).Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &sl
} else {
security, err := GetSecurity(db, securityid, user.UserId)
security, err := GetSecurity(tx, securityid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = security.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return security
}
} else {
securityid, err := GetURLID(r.URL.Path)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
if r.Method == "PUT" {
security_json := r.PostFormValue("security")
if security_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var security Security
err := security.Read(security_json)
if err != nil || security.SecurityId != securityid {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
security.UserId = user.UserId
err = UpdateSecurity(db, &security)
err = UpdateSecurity(tx, &security)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
err = security.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &security
} else if r.Method == "DELETE" {
security, err := GetSecurity(db, securityid, user.UserId)
security, err := GetSecurity(tx, securityid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = DeleteSecurity(db, security)
err = DeleteSecurity(tx, security)
if _, ok := err.(SecurityInUseError); ok {
WriteError(w, 7 /*In Use Error*/)
return NewError(7 /*In Use Error*/)
} else if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
WriteSuccess(w)
return SuccessWriter{}
}
}
return NewError(3 /*Invalid Request*/)
}
func SecurityTemplateHandler(w http.ResponseWriter, r *http.Request) {

12
internal/handlers/securities_lua.go
View File

@ -13,9 +13,9 @@ func luaContextGetSecurities(L *lua.LState) (map[int64]*Security, error) {
ctx := L.Context()
db, ok := ctx.Value(dbContextKey).(*DB)
tx, ok := ctx.Value(dbContextKey).(*Tx)
if !ok {
return nil, errors.New("Couldn't find DB in lua's Context")
return nil, errors.New("Couldn't find tx in lua's Context")
}
security_map, ok = ctx.Value(securitiesContextKey).(map[int64]*Security)
@ -25,7 +25,7 @@ func luaContextGetSecurities(L *lua.LState) (map[int64]*Security, error) {
return nil, errors.New("Couldn't find User in lua's Context")
}
securities, err := GetSecurities(db, user.UserId)
securities, err := GetSecurities(tx, user.UserId)
if err != nil {
return nil, err
}
@ -155,12 +155,12 @@ func luaClosestPrice(L *lua.LState) int {
date := luaCheckTime(L, 3)
ctx := L.Context()
db, ok := ctx.Value(dbContextKey).(*DB)
tx, ok := ctx.Value(dbContextKey).(*Tx)
if !ok {
panic("Couldn't find DB in lua's Context")
panic("Couldn't find tx in lua's Context")
}
p, err := GetClosestPrice(db, s, c, date)
p, err := GetClosestPrice(tx, s, c, date)
if err != nil {
L.Push(lua.LNil)
} else {

76
internal/handlers/sessions.go
View File

@ -28,7 +28,7 @@ func (s *Session) Read(json_str string) error {
return dec.Decode(s)
}
func GetSession(db *DB, r *http.Request) (*Session, error) {
func GetSession(tx *Tx, r *http.Request) (*Session, error) {
var s Session
cookie, err := r.Cookie("moneygo-session")
@ -37,18 +37,17 @@ func GetSession(db *DB, r *http.Request) (*Session, error) {
}
s.SessionSecret = cookie.Value
err = db.SelectOne(&s, "SELECT * from sessions where SessionSecret=?", s.SessionSecret)
err = tx.SelectOne(&s, "SELECT * from sessions where SessionSecret=?", s.SessionSecret)
if err != nil {
return nil, err
}
return &s, nil
}
func DeleteSessionIfExists(db *DB, r *http.Request) error {
// TODO do this in one transaction
session, err := GetSession(db, r)
func DeleteSessionIfExists(tx *Tx, r *http.Request) error {
session, err := GetSession(tx, r)
if err == nil {
_, err := db.Delete(session)
_, err := tx.Delete(session)
if err != nil {
return err
}
@ -64,7 +63,17 @@ func NewSessionCookie() (string, error) {
return base64.StdEncoding.EncodeToString(bits), nil
}
func NewSession(db *DB, w http.ResponseWriter, r *http.Request, userid int64) (*Session, error) {
type NewSessionWriter struct {
session *Session
cookie *http.Cookie
}
func (n *NewSessionWriter) Write(w http.ResponseWriter) error {
http.SetCookie(w, n.cookie)
return n.session.Write(w)
}
func NewSession(tx *Tx, r *http.Request, userid int64) (*NewSessionWriter, error) {
s := Session{}
session_secret, err := NewSessionCookie()
@ -81,79 +90,66 @@ func NewSession(db *DB, w http.ResponseWriter, r *http.Request, userid int64) (*
Secure: true,
HttpOnly: true,
}
http.SetCookie(w, &cookie)
s.SessionSecret = session_secret
s.UserId = userid
err = db.Insert(&s)
err = tx.Insert(&s)
if err != nil {
return nil, err
}
return &s, nil
return &NewSessionWriter{&s, &cookie}, nil
}
func SessionHandler(w http.ResponseWriter, r *http.Request, db *DB) {
func SessionHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
if r.Method == "POST" || r.Method == "PUT" {
user_json := r.PostFormValue("user")
if user_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
user := User{}
err := user.Read(user_json)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
dbuser, err := GetUserByUsername(db, user.Username)
dbuser, err := GetUserByUsername(tx, user.Username)
if err != nil {
WriteError(w, 2 /*Unauthorized Access*/)
return
return NewError(2 /*Unauthorized Access*/)
}
user.HashPassword()
if user.PasswordHash != dbuser.PasswordHash {
WriteError(w, 2 /*Unauthorized Access*/)
return
return NewError(2 /*Unauthorized Access*/)
}
err = DeleteSessionIfExists(db, r)
err = DeleteSessionIfExists(tx, r)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
session, err := NewSession(db, w, r, dbuser.UserId)
sessionwriter, err := NewSession(tx, r, dbuser.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
return
}
err = session.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
return sessionwriter
} else if r.Method == "GET" {
s, err := GetSession(db, r)
s, err := GetSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
s.Write(w)
return s
} else if r.Method == "DELETE" {
err := DeleteSessionIfExists(db, r)
err := DeleteSessionIfExists(tx, r)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
WriteSuccess(w)
return SuccessWriter{}
}
return NewError(3 /*Invalid Request*/)
}

391
internal/handlers/transactions.go
View File

@ -4,7 +4,6 @@ import (
"encoding/json"
"errors"
"fmt"
"gopkg.in/gorp.v1"
"log"
"math/big"
"net/http"
@ -78,8 +77,8 @@ func (s *Split) Valid() bool {
return err == nil
}
func (s *Split) AlreadyImportedTx(transaction *gorp.Transaction) (bool, error) {
count, err := transaction.SelectInt("SELECT COUNT(*) from splits where RemoteId=? and AccountId=?", s.RemoteId, s.AccountId)
func (s *Split) AlreadyImported(tx *Tx) (bool, error) {
count, err := tx.SelectInt("SELECT COUNT(*) from splits where RemoteId=? and AccountId=?", s.RemoteId, s.AccountId)
return count == 1, err
}
@ -134,7 +133,7 @@ func (t *Transaction) Valid() bool {
// Return a map of security ID's to big.Rat's containing the amount that
// security is imbalanced by
func (t *Transaction) GetImbalancesTx(transaction *gorp.Transaction) (map[int64]big.Rat, error) {
func (t *Transaction) GetImbalances(tx *Tx) (map[int64]big.Rat, error) {
sums := make(map[int64]big.Rat)
if !t.Valid() {
@ -146,7 +145,7 @@ func (t *Transaction) GetImbalancesTx(transaction *gorp.Transaction) (map[int64]
if t.Splits[i].AccountId != -1 {
var err error
var account *Account
account, err = GetAccountTx(transaction, t.Splits[i].AccountId, t.UserId)
account, err = GetAccount(tx, t.Splits[i].AccountId, t.UserId)
if err != nil {
return nil, err
}
@ -162,10 +161,10 @@ func (t *Transaction) GetImbalancesTx(transaction *gorp.Transaction) (map[int64]
// Returns true if all securities contained in this transaction are balanced,
// false otherwise
func (t *Transaction) Balanced(transaction *gorp.Transaction) (bool, error) {
func (t *Transaction) Balanced(tx *Tx) (bool, error) {
var zero big.Rat
sums, err := t.GetImbalancesTx(transaction)
sums, err := t.GetImbalances(tx)
if err != nil {
return false, err
}
@ -178,72 +177,48 @@ func (t *Transaction) Balanced(transaction *gorp.Transaction) (bool, error) {
return true, nil
}
func GetTransaction(db *DB, transactionid int64, userid int64) (*Transaction, error) {
func GetTransaction(tx *Tx, transactionid int64, userid int64) (*Transaction, error) {
var t Transaction
transaction, err := db.Begin()
err := tx.SelectOne(&t, "SELECT * from transactions where UserId=? AND TransactionId=?", userid, transactionid)
if err != nil {
return nil, err
}
err = transaction.SelectOne(&t, "SELECT * from transactions where UserId=? AND TransactionId=?", userid, transactionid)
_, err = tx.Select(&t.Splits, "SELECT * from splits where TransactionId=?", transactionid)
if err != nil {
transaction.Rollback()
return nil, err
}
_, err = transaction.Select(&t.Splits, "SELECT * from splits where TransactionId=?", transactionid)
if err != nil {
transaction.Rollback()
return nil, err
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return &t, nil
}
func GetTransactions(db *DB, userid int64) (*[]Transaction, error) {
func GetTransactions(tx *Tx, userid int64) (*[]Transaction, error) {
var transactions []Transaction
transaction, err := db.Begin()
if err != nil {
return nil, err
}
_, err = transaction.Select(&transactions, "SELECT * from transactions where UserId=?", userid)
_, err := tx.Select(&transactions, "SELECT * from transactions where UserId=?", userid)
if err != nil {
return nil, err
}
for i := range transactions {
_, err := transaction.Select(&transactions[i].Splits, "SELECT * from splits where TransactionId=?", transactions[i].TransactionId)
_, err := tx.Select(&transactions[i].Splits, "SELECT * from splits where TransactionId=?", transactions[i].TransactionId)
if err != nil {
return nil, err
}
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return &transactions, nil
}
func incrementAccountVersions(transaction *gorp.Transaction, user *User, accountids []int64) error {
func incrementAccountVersions(tx *Tx, user *User, accountids []int64) error {
for i := range accountids {
account, err := GetAccountTx(transaction, accountids[i], user.UserId)
account, err := GetAccount(tx, accountids[i], user.UserId)
if err != nil {
return err
}
account.AccountVersion++
count, err := transaction.Update(account)
count, err := tx.Update(account)
if err != nil {
return err
}
@ -260,12 +235,12 @@ func (ame AccountMissingError) Error() string {
return "Account missing"
}
func InsertTransactionTx(transaction *gorp.Transaction, t *Transaction, user *User) error {
func InsertTransaction(tx *Tx, t *Transaction, user *User) error {
// Map of any accounts with transaction splits being added
a_map := make(map[int64]bool)
for i := range t.Splits {
if t.Splits[i].AccountId != -1 {
existing, err := transaction.SelectInt("SELECT count(*) from accounts where AccountId=?", t.Splits[i].AccountId)
existing, err := tx.SelectInt("SELECT count(*) from accounts where AccountId=?", t.Splits[i].AccountId)
if err != nil {
return err
}
@ -287,13 +262,13 @@ func InsertTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
if len(a_ids) < 1 {
return AccountMissingError{}
}
err := incrementAccountVersions(transaction, user, a_ids)
err := incrementAccountVersions(tx, user, a_ids)
if err != nil {
return err
}
t.UserId = user.UserId
err = transaction.Insert(t)
err = tx.Insert(t)
if err != nil {
return err
}
@ -301,7 +276,7 @@ func InsertTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
for i := range t.Splits {
t.Splits[i].TransactionId = t.TransactionId
t.Splits[i].SplitId = -1
err = transaction.Insert(t.Splits[i])
err = tx.Insert(t.Splits[i])
if err != nil {
return err
}
@ -310,31 +285,10 @@ func InsertTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
return nil
}
func InsertTransaction(db *DB, t *Transaction, user *User) error {
transaction, err := db.Begin()
if err != nil {
return err
}
err = InsertTransactionTx(transaction, t, user)
if err != nil {
transaction.Rollback()
return err
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func UpdateTransactionTx(transaction *gorp.Transaction, t *Transaction, user *User) error {
func UpdateTransaction(tx *Tx, t *Transaction, user *User) error {
var existing_splits []*Split
_, err := transaction.Select(&existing_splits, "SELECT * from splits where TransactionId=?", t.TransactionId)
_, err := tx.Select(&existing_splits, "SELECT * from splits where TransactionId=?", t.TransactionId)
if err != nil {
return err
}
@ -353,7 +307,7 @@ func UpdateTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
t.Splits[i].TransactionId = t.TransactionId
_, ok := s_map[t.Splits[i].SplitId]
if ok {
count, err := transaction.Update(t.Splits[i])
count, err := tx.Update(t.Splits[i])
if err != nil {
return err
}
@ -363,7 +317,7 @@ func UpdateTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
delete(s_map, t.Splits[i].SplitId)
} else {
t.Splits[i].SplitId = -1
err := transaction.Insert(t.Splits[i])
err := tx.Insert(t.Splits[i])
if err != nil {
return err
}
@ -380,7 +334,7 @@ func UpdateTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
a_map[existing_splits[i].AccountId] = true
}
if ok {
_, err := transaction.Delete(existing_splits[i])
_, err := tx.Delete(existing_splits[i])
if err != nil {
return err
}
@ -392,12 +346,12 @@ func UpdateTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
for id := range a_map {
a_ids = append(a_ids, id)
}
err = incrementAccountVersions(transaction, user, a_ids)
err = incrementAccountVersions(tx, user, a_ids)
if err != nil {
return err
}
count, err := transaction.Update(t)
count, err := tx.Update(t)
if err != nil {
return err
}
@ -408,263 +362,171 @@ func UpdateTransactionTx(transaction *gorp.Transaction, t *Transaction, user *Us
return nil
}
func DeleteTransaction(db *DB, t *Transaction, user *User) error {
transaction, err := db.Begin()
if err != nil {
return err
}
func DeleteTransaction(tx *Tx, t *Transaction, user *User) error {
var accountids []int64
_, err = transaction.Select(&accountids, "SELECT DISTINCT AccountId FROM splits WHERE TransactionId=? AND AccountId != -1", t.TransactionId)
_, err := tx.Select(&accountids, "SELECT DISTINCT AccountId FROM splits WHERE TransactionId=? AND AccountId != -1", t.TransactionId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM splits WHERE TransactionId=?", t.TransactionId)
_, err = tx.Exec("DELETE FROM splits WHERE TransactionId=?", t.TransactionId)
if err != nil {
transaction.Rollback()
return err
}
count, err := transaction.Delete(t)
count, err := tx.Delete(t)
if err != nil {
transaction.Rollback()
return err
}
if count != 1 {
transaction.Rollback()
return errors.New("Deleted more than one transaction")
}
err = incrementAccountVersions(transaction, user, accountids)
err = incrementAccountVersions(tx, user, accountids)
if err != nil {
transaction.Rollback()
return err
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func TransactionHandler(w http.ResponseWriter, r *http.Request, db *DB) {
user, err := GetUserFromSession(db, r)
func TransactionHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
user, err := GetUserFromSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
if r.Method == "POST" {
transaction_json := r.PostFormValue("transaction")
if transaction_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var transaction Transaction
err := transaction.Read(transaction_json)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
transaction.TransactionId = -1
transaction.UserId = user.UserId
sqltx, err := db.Begin()
balanced, err := transaction.Balanced(tx)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
return NewError(999 /*Internal Error*/)
log.Print(err)
return
}
balanced, err := transaction.Balanced(sqltx)
if err != nil {
sqltx.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
if !transaction.Valid() || !balanced {
sqltx.Rollback()
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
for i := range transaction.Splits {
transaction.Splits[i].SplitId = -1
_, err := GetAccountTx(sqltx, transaction.Splits[i].AccountId, user.UserId)
_, err := GetAccount(tx, transaction.Splits[i].AccountId, user.UserId)
if err != nil {
sqltx.Rollback()
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
}
err = InsertTransactionTx(sqltx, &transaction, user)
err = InsertTransaction(tx, &transaction, user)
if err != nil {
if _, ok := err.(AccountMissingError); ok {
WriteError(w, 3 /*Invalid Request*/)
return NewError(3 /*Invalid Request*/)
} else {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return NewError(999 /*Internal Error*/)
}
sqltx.Rollback()
return
}
err = sqltx.Commit()
if err != nil {
sqltx.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
err = transaction.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &transaction
} else if r.Method == "GET" {
transactionid, err := GetURLID(r.URL.Path)
if err != nil {
//Return all Transactions
var al TransactionList
transactions, err := GetTransactions(db, user.UserId)
transactions, err := GetTransactions(tx, user.UserId)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
al.Transactions = transactions
err = (&al).Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &al
} else {
//Return Transaction with this Id
transaction, err := GetTransaction(db, transactionid, user.UserId)
transaction, err := GetTransaction(tx, transactionid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
}
err = transaction.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(3 /*Invalid Request*/)
}
return transaction
}
} else {
transactionid, err := GetURLID(r.URL.Path)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
if r.Method == "PUT" {
transaction_json := r.PostFormValue("transaction")
if transaction_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var transaction Transaction
err := transaction.Read(transaction_json)
if err != nil || transaction.TransactionId != transactionid {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
transaction.UserId = user.UserId
sqltx, err := db.Begin()
balanced, err := transaction.Balanced(tx)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
balanced, err := transaction.Balanced(sqltx)
if err != nil {
sqltx.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
if !transaction.Valid() || !balanced {
sqltx.Rollback()
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
for i := range transaction.Splits {
_, err := GetAccountTx(sqltx, transaction.Splits[i].AccountId, user.UserId)
_, err := GetAccount(tx, transaction.Splits[i].AccountId, user.UserId)
if err != nil {
sqltx.Rollback()
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
}
err = UpdateTransactionTx(sqltx, &transaction, user)
err = UpdateTransaction(tx, &transaction, user)
if err != nil {
sqltx.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
err = sqltx.Commit()
if err != nil {
sqltx.Rollback()
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
err = transaction.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return &transaction
} else if r.Method == "DELETE" {
transactionid, err := GetURLID(r.URL.Path)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
transaction, err := GetTransaction(db, transactionid, user.UserId)
transaction, err := GetTransaction(tx, transactionid, user.UserId)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
err = DeleteTransaction(db, transaction, user)
err = DeleteTransaction(tx, transaction, user)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
WriteSuccess(w)
return SuccessWriter{}
}
}
return NewError(3 /*Invalid Request*/)
}
func TransactionsBalanceDifference(transaction *gorp.Transaction, accountid int64, transactions []Transaction) (*big.Rat, error) {
func TransactionsBalanceDifference(tx *Tx, accountid int64, transactions []Transaction) (*big.Rat, error) {
var pageDifference, tmp big.Rat
for i := range transactions {
_, err := transaction.Select(&transactions[i].Splits, "SELECT * FROM splits where TransactionId=?", transactions[i].TransactionId)
_, err := tx.Select(&transactions[i].Splits, "SELECT * FROM splits where TransactionId=?", transactions[i].TransactionId)
if err != nil {
return nil, err
}
@ -685,17 +547,12 @@ func TransactionsBalanceDifference(transaction *gorp.Transaction, accountid int6
return &pageDifference, nil
}
func GetAccountBalance(db *DB, user *User, accountid int64) (*big.Rat, error) {
func GetAccountBalance(tx *Tx, user *User, accountid int64) (*big.Rat, error) {
var splits []Split
transaction, err := db.Begin()
if err != nil {
return nil, err
}
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=?"
_, err = transaction.Select(&splits, sql, accountid, user.UserId)
_, err := tx.Select(&splits, sql, accountid, user.UserId)
if err != nil {
transaction.Rollback()
return nil, err
}
@ -703,34 +560,22 @@ func GetAccountBalance(db *DB, user *User, accountid int64) (*big.Rat, error) {
for _, s := range splits {
rat_amount, err := GetBigAmount(s.Amount)
if err != nil {
transaction.Rollback()
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return &balance, nil
}
// Assumes accountid is valid and is owned by the current user
func GetAccountBalanceDate(db *DB, user *User, accountid int64, date *time.Time) (*big.Rat, error) {
func GetAccountBalanceDate(tx *Tx, user *User, accountid int64, date *time.Time) (*big.Rat, error) {
var splits []Split
transaction, err := db.Begin()
if err != nil {
return nil, err
}
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=? AND transactions.Date < ?"
_, err = transaction.Select(&splits, sql, accountid, user.UserId, date)
_, err := tx.Select(&splits, sql, accountid, user.UserId, date)
if err != nil {
transaction.Rollback()
return nil, err
}
@ -738,33 +583,21 @@ func GetAccountBalanceDate(db *DB, user *User, accountid int64, date *time.Time)
for _, s := range splits {
rat_amount, err := GetBigAmount(s.Amount)
if err != nil {
transaction.Rollback()
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return &balance, nil
}
func GetAccountBalanceDateRange(db *DB, user *User, accountid int64, begin, end *time.Time) (*big.Rat, error) {
func GetAccountBalanceDateRange(tx *Tx, user *User, accountid int64, begin, end *time.Time) (*big.Rat, error) {
var splits []Split
transaction, err := db.Begin()
if err != nil {
return nil, err
}
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=? AND transactions.Date >= ? AND transactions.Date < ?"
_, err = transaction.Select(&splits, sql, accountid, user.UserId, begin, end)
_, err := tx.Select(&splits, sql, accountid, user.UserId, begin, end)
if err != nil {
transaction.Rollback()
return nil, err
}
@ -772,31 +605,19 @@ func GetAccountBalanceDateRange(db *DB, user *User, accountid int64, begin, end
for _, s := range splits {
rat_amount, err := GetBigAmount(s.Amount)
if err != nil {
transaction.Rollback()
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return &balance, nil
}
func GetAccountTransactions(db *DB, user *User, accountid int64, sort string, page uint64, limit uint64) (*AccountTransactionsList, error) {
func GetAccountTransactions(tx *Tx, user *User, accountid int64, sort string, page uint64, limit uint64) (*AccountTransactionsList, error) {
var transactions []Transaction
var atl AccountTransactionsList
transaction, err := db.Begin()
if err != nil {
return nil, err
}
var sqlsort, balanceLimitOffset string
var balanceLimitOffsetArg uint64
if sort == "date-asc" {
@ -804,9 +625,8 @@ func GetAccountTransactions(db *DB, user *User, accountid int64, sort string, pa
balanceLimitOffset = " LIMIT ?"
balanceLimitOffsetArg = page * limit
} else if sort == "date-desc" {
numSplits, err := transaction.SelectInt("SELECT count(*) FROM splits")
numSplits, err := tx.SelectInt("SELECT count(*) FROM splits")
if err != nil {
transaction.Rollback()
return nil, err
}
sqlsort = " ORDER BY transactions.Date DESC"
@ -819,41 +639,35 @@ func GetAccountTransactions(db *DB, user *User, accountid int64, sort string, pa
sqloffset = fmt.Sprintf(" OFFSET %d", page*limit)
}
account, err := GetAccountTx(transaction, accountid, user.UserId)
account, err := GetAccount(tx, accountid, user.UserId)
if err != nil {
transaction.Rollback()
return nil, err
}
atl.Account = account
sql := "SELECT DISTINCT transactions.* FROM transactions INNER JOIN splits ON transactions.TransactionId = splits.TransactionId WHERE transactions.UserId=? AND splits.AccountId=?" + sqlsort + " LIMIT ?" + sqloffset
_, err = transaction.Select(&transactions, sql, user.UserId, accountid, limit)
_, err = tx.Select(&transactions, sql, user.UserId, accountid, limit)
if err != nil {
transaction.Rollback()
return nil, err
}
atl.Transactions = &transactions
pageDifference, err := TransactionsBalanceDifference(transaction, accountid, transactions)
pageDifference, err := TransactionsBalanceDifference(tx, accountid, transactions)
if err != nil {
transaction.Rollback()
return nil, err
}
count, err := transaction.SelectInt("SELECT count(DISTINCT transactions.TransactionId) FROM transactions INNER JOIN splits ON transactions.TransactionId = splits.TransactionId WHERE transactions.UserId=? AND splits.AccountId=?", user.UserId, accountid)
count, err := tx.SelectInt("SELECT count(DISTINCT transactions.TransactionId) FROM transactions INNER JOIN splits ON transactions.TransactionId = splits.TransactionId WHERE transactions.UserId=? AND splits.AccountId=?", user.UserId, accountid)
if err != nil {
transaction.Rollback()
return nil, err
}
atl.TotalTransactions = count
security, err := GetSecurityTx(transaction, atl.Account.SecurityId, user.UserId)
security, err := GetSecurity(tx, atl.Account.SecurityId, user.UserId)
if err != nil {
transaction.Rollback()
return nil, err
}
if security == nil {
transaction.Rollback()
return nil, errors.New("Security not found")
}
@ -861,9 +675,8 @@ func GetAccountTransactions(db *DB, user *User, accountid int64, sort string, pa
// occurred before the page we're returning
var amounts []string
sql = "SELECT splits.Amount FROM splits WHERE splits.AccountId=? AND splits.TransactionId IN (SELECT DISTINCT transactions.TransactionId FROM transactions INNER JOIN splits ON transactions.TransactionId = splits.TransactionId WHERE transactions.UserId=? AND splits.AccountId=?" + sqlsort + balanceLimitOffset + ")"
_, err = transaction.Select(&amounts, sql, accountid, user.UserId, accountid, balanceLimitOffsetArg)
_, err = tx.Select(&amounts, sql, accountid, user.UserId, accountid, balanceLimitOffsetArg)
if err != nil {
transaction.Rollback()
return nil, err
}
@ -871,7 +684,6 @@ func GetAccountTransactions(db *DB, user *User, accountid int64, sort string, pa
for _, amount := range amounts {
rat_amount, err := GetBigAmount(amount)
if err != nil {
transaction.Rollback()
return nil, err
}
tmp.Add(&balance, rat_amount)
@ -880,20 +692,12 @@ func GetAccountTransactions(db *DB, user *User, accountid int64, sort string, pa
atl.BeginningBalance = balance.FloatString(security.Precision)
atl.EndingBalance = tmp.Add(&balance, pageDifference).FloatString(security.Precision)
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return nil, err
}
return &atl, nil
}
// Return only those transactions which have at least one split pertaining to
// an account
func AccountTransactionsHandler(db *DB, w http.ResponseWriter, r *http.Request,
user *User, accountid int64) {
func AccountTransactionsHandler(tx *Tx, r *http.Request, user *User, accountid int64) ResponseWriterWriter {
var page uint64 = 0
var limit uint64 = 50
var sort string = "date-desc"
@ -904,8 +708,7 @@ func AccountTransactionsHandler(db *DB, w http.ResponseWriter, r *http.Request,
if pagestring != "" {
p, err := strconv.ParseUint(pagestring, 10, 0)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
page = p
}
@ -914,8 +717,7 @@ func AccountTransactionsHandler(db *DB, w http.ResponseWriter, r *http.Request,
if limitstring != "" {
l, err := strconv.ParseUint(limitstring, 10, 0)
if err != nil || l > 100 {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
limit = l
}
@ -923,23 +725,16 @@ func AccountTransactionsHandler(db *DB, w http.ResponseWriter, r *http.Request,
sortstring := query.Get("sort")
if sortstring != "" {
if sortstring != "date-asc" && sortstring != "date-desc" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
sort = sortstring
}
accountTransactions, err := GetAccountTransactions(db, user, accountid, sort, page, limit)
accountTransactions, err := GetAccountTransactions(tx, user, accountid, sort, page, limit)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
err = accountTransactions.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return accountTransactions
}

180
internal/handlers/users.go
View File

@ -5,7 +5,6 @@ import (
"encoding/json"
"errors"
"fmt"
"gopkg.in/gorp.v1"
"io"
"log"
"net/http"
@ -47,61 +46,42 @@ func (u *User) HashPassword() {
u.Password = ""
}
func GetUser(db *DB, userid int64) (*User, error) {
func GetUser(tx *Tx, userid int64) (*User, error) {
var u User
err := db.SelectOne(&u, "SELECT * from users where UserId=?", userid)
err := tx.SelectOne(&u, "SELECT * from users where UserId=?", userid)
if err != nil {
return nil, err
}
return &u, nil
}
func GetUserTx(transaction *gorp.Transaction, userid int64) (*User, error) {
func GetUserByUsername(tx *Tx, username string) (*User, error) {
var u User
err := transaction.SelectOne(&u, "SELECT * from users where UserId=?", userid)
err := tx.SelectOne(&u, "SELECT * from users where Username=?", username)
if err != nil {
return nil, err
}
return &u, nil
}
func GetUserByUsername(db *DB, username string) (*User, error) {
var u User
err := db.SelectOne(&u, "SELECT * from users where Username=?", username)
if err != nil {
return nil, err
}
return &u, nil
}
func InsertUser(db *DB, u *User) error {
transaction, err := db.Begin()
if err != nil {
return err
}
func InsertUser(tx *Tx, u *User) error {
security_template := FindCurrencyTemplate(u.DefaultCurrency)
if security_template == nil {
transaction.Rollback()
return errors.New("Invalid ISO4217 Default Currency")
}
existing, err := transaction.SelectInt("SELECT count(*) from users where Username=?", u.Username)
existing, err := tx.SelectInt("SELECT count(*) from users where Username=?", u.Username)
if err != nil {
transaction.Rollback()
return err
}
if existing > 0 {
transaction.Rollback()
return UserExistsError{}
}
err = transaction.Insert(u)
err = tx.Insert(u)
if err != nil {
transaction.Rollback()
return err
}
@ -110,201 +90,138 @@ func InsertUser(db *DB, u *User) error {
security = *security_template
security.UserId = u.UserId
err = InsertSecurityTx(transaction, &security)
err = InsertSecurity(tx, &security)
if err != nil {
transaction.Rollback()
return err
}
// Update the user's DefaultCurrency to our new SecurityId
u.DefaultCurrency = security.SecurityId
count, err := transaction.Update(u)
count, err := tx.Update(u)
if err != nil {
transaction.Rollback()
return err
} else if count != 1 {
transaction.Rollback()
return errors.New("Would have updated more than one user")
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func GetUserFromSession(db *DB, r *http.Request) (*User, error) {
s, err := GetSession(db, r)
func GetUserFromSession(tx *Tx, r *http.Request) (*User, error) {
s, err := GetSession(tx, r)
if err != nil {
return nil, err
}
return GetUser(db, s.UserId)
return GetUser(tx, s.UserId)
}
func UpdateUser(db *DB, u *User) error {
transaction, err := db.Begin()
func UpdateUser(tx *Tx, u *User) error {
security, err := GetSecurity(tx, u.DefaultCurrency, u.UserId)
if err != nil {
return err
}
security, err := GetSecurityTx(transaction, u.DefaultCurrency, u.UserId)
if err != nil {
transaction.Rollback()
return err
} else if security.UserId != u.UserId || security.SecurityId != u.DefaultCurrency {
transaction.Rollback()
return errors.New("UserId and DefaultCurrency don't match the fetched security")
} else if security.Type != Currency {
transaction.Rollback()
return errors.New("New DefaultCurrency security is not a currency")
}
count, err := transaction.Update(u)
count, err := tx.Update(u)
if err != nil {
transaction.Rollback()
return err
} else if count != 1 {
transaction.Rollback()
return errors.New("Would have updated more than one user")
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func DeleteUser(db *DB, u *User) error {
transaction, err := db.Begin()
func DeleteUser(tx *Tx, u *User) error {
count, err := tx.Delete(u)
if err != nil {
return err
}
count, err := transaction.Delete(u)
if err != nil {
transaction.Rollback()
return err
}
if count != 1 {
transaction.Rollback()
return fmt.Errorf("No user to delete")
}
_, err = transaction.Exec("DELETE FROM prices WHERE prices.PriceId IN (SELECT prices.PriceId FROM prices INNER JOIN securities ON prices.SecurityId=securities.SecurityId WHERE securities.UserId=?)", u.UserId)
_, err = tx.Exec("DELETE FROM prices WHERE prices.PriceId IN (SELECT prices.PriceId FROM prices INNER JOIN securities ON prices.SecurityId=securities.SecurityId WHERE securities.UserId=?)", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM splits WHERE splits.SplitId IN (SELECT splits.SplitId FROM splits INNER JOIN transactions ON splits.TransactionId=transactions.TransactionId WHERE transactions.UserId=?)", u.UserId)
_, err = tx.Exec("DELETE FROM splits WHERE splits.SplitId IN (SELECT splits.SplitId FROM splits INNER JOIN transactions ON splits.TransactionId=transactions.TransactionId WHERE transactions.UserId=?)", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM transactions WHERE transactions.UserId=?", u.UserId)
_, err = tx.Exec("DELETE FROM transactions WHERE transactions.UserId=?", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM securities WHERE securities.UserId=?", u.UserId)
_, err = tx.Exec("DELETE FROM securities WHERE securities.UserId=?", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM accounts WHERE accounts.UserId=?", u.UserId)
_, err = tx.Exec("DELETE FROM accounts WHERE accounts.UserId=?", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM reports WHERE reports.UserId=?", u.UserId)
_, err = tx.Exec("DELETE FROM reports WHERE reports.UserId=?", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
_, err = transaction.Exec("DELETE FROM sessions WHERE sessions.UserId=?", u.UserId)
_, err = tx.Exec("DELETE FROM sessions WHERE sessions.UserId=?", u.UserId)
if err != nil {
transaction.Rollback()
return err
}
err = transaction.Commit()
if err != nil {
transaction.Rollback()
return err
}
return nil
}
func UserHandler(w http.ResponseWriter, r *http.Request, db *DB) {
func UserHandler(r *http.Request, tx *Tx) ResponseWriterWriter {
if r.Method == "POST" {
user_json := r.PostFormValue("user")
if user_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
var user User
err := user.Read(user_json)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
user.UserId = -1
user.HashPassword()
err = InsertUser(db, &user)
err = InsertUser(tx, &user)
if err != nil {
if _, ok := err.(UserExistsError); ok {
WriteError(w, 4 /*User Exists*/)
return NewError(4 /*User Exists*/)
} else {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return NewError(999 /*Internal Error*/)
}
return
}
w.WriteHeader(201 /*Created*/)
err = user.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return ResponseWrapper{201, &user}
} else {
user, err := GetUserFromSession(db, r)
user, err := GetUserFromSession(tx, r)
if err != nil {
WriteError(w, 1 /*Not Signed In*/)
return
return NewError(1 /*Not Signed In*/)
}
userid, err := GetURLID(r.URL.Path)
if err != nil {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
if userid != user.UserId {
WriteError(w, 2 /*Unauthorized Access*/)
return
return NewError(2 /*Unauthorized Access*/)
}
if r.Method == "GET" {
err = user.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return user
} else if r.Method == "PUT" {
user_json := r.PostFormValue("user")
if user_json == "" {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
// Save old PWHash in case the new password is bogus
@ -312,8 +229,7 @@ func UserHandler(w http.ResponseWriter, r *http.Request, db *DB) {
err = user.Read(user_json)
if err != nil || user.UserId != userid {
WriteError(w, 3 /*Invalid Request*/)
return
return NewError(3 /*Invalid Request*/)
}
// If the user didn't create a new password, keep their old one
@ -324,27 +240,21 @@ func UserHandler(w http.ResponseWriter, r *http.Request, db *DB) {
user.PasswordHash = old_pwhash
}
err = UpdateUser(db, user)
err = UpdateUser(tx, user)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
err = user.Write(w)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
}
return user
} else if r.Method == "DELETE" {
err := DeleteUser(db, user)
err := DeleteUser(tx, user)
if err != nil {
WriteError(w, 999 /*Internal Error*/)
log.Print(err)
return
return NewError(999 /*Internal Error*/)
}
WriteSuccess(w)
return SuccessWriter{}
}
}
return NewError(3 /*Invalid Request*/)
}

17
internal/handlers/util.go
View File

@ -18,6 +18,23 @@ func GetURLPieces(url string, format string, a ...interface{}) (int, error) {
return fmt.Sscanf(url, format, a...)
}
type ResponseWrapper struct {
Code int
Writer ResponseWriterWriter
}
func (r ResponseWrapper) Write(w http.ResponseWriter) error {
w.WriteHeader(r.Code)
return r.Writer.Write(w)
}
type SuccessWriter struct{}
func (s SuccessWriter) Write(w http.ResponseWriter) error {
fmt.Fprint(w, "{}")
return nil
}
func WriteSuccess(w http.ResponseWriter) {
fmt.Fprint(w, "{}")
}