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Code Issues Releases Wiki Activity

Move splits/transactions to store

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This commit is contained in:
Aaron Lindsay 2017-12-08 21:27:03 -05:00
parent 61676598dd
commit da7e025509
8 changed files with 410 additions and 406 deletions
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24
internal/handlers/accounts_lua.go
View File

@ -6,7 +6,6 @@ import (
"github.com/aclindsa/moneygo/internal/models" "github.com/aclindsa/moneygo/internal/models"
"github.com/aclindsa/moneygo/internal/store/db" "github.com/aclindsa/moneygo/internal/store/db"
"github.com/yuin/gopher-lua" "github.com/yuin/gopher-lua"
"math/big"
"strings" "strings"
) )
@ -168,24 +167,29 @@ func luaAccountBalance(L *lua.LState) int {
panic("SecurityId not in lua security_map") panic("SecurityId not in lua security_map")
} }
date := luaWeakCheckTime(L, 2) date := luaWeakCheckTime(L, 2)
var b Balance var splits *[]*models.Split
var rat *big.Rat
if date != nil { if date != nil {
end := luaWeakCheckTime(L, 3) end := luaWeakCheckTime(L, 3)
if end != nil { if end != nil {
rat, err = GetAccountBalanceDateRange(tx, user, a.AccountId, date, end) splits, err = tx.GetAccountSplitsDateRange(user, a.AccountId, date, end)
} else { } else {
rat, err = GetAccountBalanceDate(tx, user, a.AccountId, date) splits, err = tx.GetAccountSplitsDate(user, a.AccountId, date)
} }
} else { } else {
rat, err = GetAccountBalance(tx, user, a.AccountId) splits, err = tx.GetAccountSplits(user, a.AccountId)
} }
if err != nil { if err != nil {
panic("Failed to GetAccountBalance:" + err.Error()) panic("Failed to fetch splits for account:" + err.Error())
} }
b.Amount = rat rat, err := BalanceFromSplits(splits)
b.Security = security if err != nil {
L.Push(BalanceToLua(L, &b)) panic("Failed to calculate balance for account:" + err.Error())
}
b := &Balance{
Amount: rat,
Security: security,
}
L.Push(BalanceToLua(L, b))
return 1 return 1
} }

4
internal/handlers/gnucash.go
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@ -437,7 +437,7 @@ func GnucashImportHandler(r *http.Request, context *Context) ResponseWriterWrite
} }
split.AccountId = acctId split.AccountId = acctId
exists, err := SplitAlreadyImported(context.Tx, split) exists, err := context.Tx.SplitExists(split)
if err != nil { if err != nil {
log.Print("Error checking if split was already imported:", err) log.Print("Error checking if split was already imported:", err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)
@ -446,7 +446,7 @@ func GnucashImportHandler(r *http.Request, context *Context) ResponseWriterWrite
} }
} }
if !already_imported { if !already_imported {
err := InsertTransaction(context.Tx, &transaction, user) err := context.Tx.InsertTransaction(&transaction, user)
if err != nil { if err != nil {
log.Print(err) log.Print(err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)

4
internal/handlers/imports.go
View File

@ -187,7 +187,7 @@ func ofxImportHelper(tx *db.Tx, r io.Reader, user *models.User, accountid int64)
split.SecurityId = -1 split.SecurityId = -1
} }
exists, err := SplitAlreadyImported(tx, split) exists, err := tx.SplitExists(split)
if err != nil { if err != nil {
log.Print("Error checking if split was already imported:", err) log.Print("Error checking if split was already imported:", err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)
@ -202,7 +202,7 @@ func ofxImportHelper(tx *db.Tx, r io.Reader, user *models.User, accountid int64)
} }
for _, transaction := range transactions { for _, transaction := range transactions {
err := InsertTransaction(tx, &transaction, user) err := tx.InsertTransaction(&transaction, user)
if err != nil { if err != nil {
log.Print(err) log.Print(err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)

399
internal/handlers/transactions.go
View File

@ -2,22 +2,16 @@ package handlers
import ( import (
"errors" "errors"
"fmt"
"github.com/aclindsa/moneygo/internal/models" "github.com/aclindsa/moneygo/internal/models"
"github.com/aclindsa/moneygo/internal/store"
"github.com/aclindsa/moneygo/internal/store/db" "github.com/aclindsa/moneygo/internal/store/db"
"log" "log"
"math/big" "math/big"
"net/http" "net/http"
"net/url" "net/url"
"strconv" "strconv"
"time"
) )
func SplitAlreadyImported(tx *db.Tx, s *models.Split) (bool, error) {
count, err := tx.SelectInt("SELECT COUNT(*) from splits where RemoteId=? and AccountId=?", s.RemoteId, s.AccountId)
return count == 1, err
}
// Return a map of security ID's to big.Rat's containing the amount that // Return a map of security ID's to big.Rat's containing the amount that
// security is imbalanced by // security is imbalanced by
func GetTransactionImbalances(tx *db.Tx, t *models.Transaction) (map[int64]big.Rat, error) { func GetTransactionImbalances(tx *db.Tx, t *models.Transaction) (map[int64]big.Rat, error) {
@ -64,219 +58,6 @@ func TransactionBalanced(tx *db.Tx, t *models.Transaction) (bool, error) {
return true, nil return true, nil
} }
func GetTransaction(tx *db.Tx, transactionid int64, userid int64) (*models.Transaction, error) {
var t models.Transaction
err := tx.SelectOne(&t, "SELECT * from transactions where UserId=? AND TransactionId=?", userid, transactionid)
if err != nil {
return nil, err
}
_, err = tx.Select(&t.Splits, "SELECT * from splits where TransactionId=?", transactionid)
if err != nil {
return nil, err
}
return &t, nil
}
func GetTransactions(tx *db.Tx, userid int64) (*[]models.Transaction, error) {
var transactions []models.Transaction
_, err := tx.Select(&transactions, "SELECT * from transactions where UserId=?", userid)
if err != nil {
return nil, err
}
for i := range transactions {
_, err := tx.Select(&transactions[i].Splits, "SELECT * from splits where TransactionId=?", transactions[i].TransactionId)
if err != nil {
return nil, err
}
}
return &transactions, nil
}
func incrementAccountVersions(tx *db.Tx, user *models.User, accountids []int64) error {
for i := range accountids {
account, err := tx.GetAccount(accountids[i], user.UserId)
if err != nil {
return err
}
account.AccountVersion++
count, err := tx.Update(account)
if err != nil {
return err
}
if count != 1 {
return errors.New("Updated more than one account")
}
}
return nil
}
type AccountMissingError struct{}
func (ame AccountMissingError) Error() string {
return "Account missing"
}
func InsertTransaction(tx *db.Tx, t *models.Transaction, user *models.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 := tx.SelectInt("SELECT count(*) from accounts where AccountId=?", t.Splits[i].AccountId)
if err != nil {
return err
}
if existing != 1 {
return AccountMissingError{}
}
a_map[t.Splits[i].AccountId] = true
} else if t.Splits[i].SecurityId == -1 {
return AccountMissingError{}
}
}
//increment versions for all accounts
var a_ids []int64
for id := range a_map {
a_ids = append(a_ids, id)
}
// ensure at least one of the splits is associated with an actual account
if len(a_ids) < 1 {
return AccountMissingError{}
}
err := incrementAccountVersions(tx, user, a_ids)
if err != nil {
return err
}
t.UserId = user.UserId
err = tx.Insert(t)
if err != nil {
return err
}
for i := range t.Splits {
t.Splits[i].TransactionId = t.TransactionId
t.Splits[i].SplitId = -1
err = tx.Insert(t.Splits[i])
if err != nil {
return err
}
}
return nil
}
func UpdateTransaction(tx *db.Tx, t *models.Transaction, user *models.User) error {
var existing_splits []*models.Split
_, err := tx.Select(&existing_splits, "SELECT * from splits where TransactionId=?", t.TransactionId)
if err != nil {
return err
}
// Map of any accounts with transaction splits being added
a_map := make(map[int64]bool)
// Make a map with any existing splits for this transaction
s_map := make(map[int64]bool)
for i := range existing_splits {
s_map[existing_splits[i].SplitId] = true
}
// Insert splits, updating any pre-existing ones
for i := range t.Splits {
t.Splits[i].TransactionId = t.TransactionId
_, ok := s_map[t.Splits[i].SplitId]
if ok {
count, err := tx.Update(t.Splits[i])
if err != nil {
return err
}
if count > 1 {
return fmt.Errorf("Updated %d transaction splits while attempting to update only 1", count)
}
delete(s_map, t.Splits[i].SplitId)
} else {
t.Splits[i].SplitId = -1
err := tx.Insert(t.Splits[i])
if err != nil {
return err
}
}
if t.Splits[i].AccountId != -1 {
a_map[t.Splits[i].AccountId] = true
}
}
// Delete any remaining pre-existing splits
for i := range existing_splits {
_, ok := s_map[existing_splits[i].SplitId]
if existing_splits[i].AccountId != -1 {
a_map[existing_splits[i].AccountId] = true
}
if ok {
_, err := tx.Delete(existing_splits[i])
if err != nil {
return err
}
}
}
// Increment versions for all accounts with modified splits
var a_ids []int64
for id := range a_map {
a_ids = append(a_ids, id)
}
err = incrementAccountVersions(tx, user, a_ids)
if err != nil {
return err
}
count, err := tx.Update(t)
if err != nil {
return err
}
if count > 1 {
return fmt.Errorf("Updated %d transactions (expected 1)", count)
}
return nil
}
func DeleteTransaction(tx *db.Tx, t *models.Transaction, user *models.User) error {
var accountids []int64
_, err := tx.Select(&accountids, "SELECT DISTINCT AccountId FROM splits WHERE TransactionId=? AND AccountId != -1", t.TransactionId)
if err != nil {
return err
}
_, err = tx.Exec("DELETE FROM splits WHERE TransactionId=?", t.TransactionId)
if err != nil {
return err
}
count, err := tx.Delete(t)
if err != nil {
return err
}
if count != 1 {
return errors.New("Deleted more than one transaction")
}
err = incrementAccountVersions(tx, user, accountids)
if err != nil {
return err
}
return nil
}
func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter { func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter {
user, err := GetUserFromSession(context.Tx, r) user, err := GetUserFromSession(context.Tx, r)
if err != nil { if err != nil {
@ -311,9 +92,9 @@ func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter
return NewError(3 /*Invalid Request*/) return NewError(3 /*Invalid Request*/)
} }
err = InsertTransaction(context.Tx, &transaction, user) err = context.Tx.InsertTransaction(&transaction, user)
if err != nil { if err != nil {
if _, ok := err.(AccountMissingError); ok { if _, ok := err.(store.AccountMissingError); ok {
return NewError(3 /*Invalid Request*/) return NewError(3 /*Invalid Request*/)
} else { } else {
log.Print(err) log.Print(err)
@ -326,7 +107,7 @@ func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter
if context.LastLevel() { if context.LastLevel() {
//Return all Transactions //Return all Transactions
var al models.TransactionList var al models.TransactionList
transactions, err := GetTransactions(context.Tx, user.UserId) transactions, err := context.Tx.GetTransactions(user.UserId)
if err != nil { if err != nil {
log.Print(err) log.Print(err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)
@ -339,7 +120,7 @@ func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter
if err != nil { if err != nil {
return NewError(3 /*Invalid Request*/) return NewError(3 /*Invalid Request*/)
} }
transaction, err := GetTransaction(context.Tx, transactionid, user.UserId) transaction, err := context.Tx.GetTransaction(transactionid, user.UserId)
if err != nil { if err != nil {
return NewError(3 /*Invalid Request*/) return NewError(3 /*Invalid Request*/)
} }
@ -377,7 +158,7 @@ func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter
} }
} }
err = UpdateTransaction(context.Tx, &transaction, user) err = context.Tx.UpdateTransaction(&transaction, user)
if err != nil { if err != nil {
log.Print(err) log.Print(err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)
@ -385,12 +166,12 @@ func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter
return &transaction return &transaction
} else if r.Method == "DELETE" { } else if r.Method == "DELETE" {
transaction, err := GetTransaction(context.Tx, transactionid, user.UserId) transaction, err := context.Tx.GetTransaction(transactionid, user.UserId)
if err != nil { if err != nil {
return NewError(3 /*Invalid Request*/) return NewError(3 /*Invalid Request*/)
} }
err = DeleteTransaction(context.Tx, transaction, user) err = context.Tx.DeleteTransaction(transaction, user)
if err != nil { if err != nil {
log.Print(err) log.Print(err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)
@ -402,41 +183,9 @@ func TransactionHandler(r *http.Request, context *Context) ResponseWriterWriter
return NewError(3 /*Invalid Request*/) return NewError(3 /*Invalid Request*/)
} }
func TransactionsBalanceDifference(tx *db.Tx, accountid int64, transactions []models.Transaction) (*big.Rat, error) { func BalanceFromSplits(splits *[]*models.Split) (*big.Rat, error) {
var pageDifference, tmp big.Rat
for i := range transactions {
_, err := tx.Select(&transactions[i].Splits, "SELECT * FROM splits where TransactionId=?", transactions[i].TransactionId)
if err != nil {
return nil, err
}
// Sum up the amounts from the splits we're returning so we can return
// an ending balance
for j := range transactions[i].Splits {
if transactions[i].Splits[j].AccountId == accountid {
rat_amount, err := models.GetBigAmount(transactions[i].Splits[j].Amount)
if err != nil {
return nil, err
}
tmp.Add(&pageDifference, rat_amount)
pageDifference.Set(&tmp)
}
}
}
return &pageDifference, nil
}
func GetAccountBalance(tx *db.Tx, user *models.User, accountid int64) (*big.Rat, error) {
var splits []models.Split
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=?"
_, err := tx.Select(&splits, sql, accountid, user.UserId)
if err != nil {
return nil, err
}
var balance, tmp big.Rat var balance, tmp big.Rat
for _, s := range splits { for _, s := range *splits {
rat_amount, err := models.GetBigAmount(s.Amount) rat_amount, err := models.GetBigAmount(s.Amount)
if err != nil { if err != nil {
return nil, err return nil, err
@ -448,132 +197,6 @@ func GetAccountBalance(tx *db.Tx, user *models.User, accountid int64) (*big.Rat,
return &balance, nil return &balance, nil
} }
// Assumes accountid is valid and is owned by the current user
func GetAccountBalanceDate(tx *db.Tx, user *models.User, accountid int64, date *time.Time) (*big.Rat, error) {
var splits []models.Split
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=? AND transactions.Date < ?"
_, err := tx.Select(&splits, sql, accountid, user.UserId, date)
if err != nil {
return nil, err
}
var balance, tmp big.Rat
for _, s := range splits {
rat_amount, err := models.GetBigAmount(s.Amount)
if err != nil {
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
return &balance, nil
}
func GetAccountBalanceDateRange(tx *db.Tx, user *models.User, accountid int64, begin, end *time.Time) (*big.Rat, error) {
var splits []models.Split
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 := tx.Select(&splits, sql, accountid, user.UserId, begin, end)
if err != nil {
return nil, err
}
var balance, tmp big.Rat
for _, s := range splits {
rat_amount, err := models.GetBigAmount(s.Amount)
if err != nil {
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
return &balance, nil
}
func GetAccountTransactions(tx *db.Tx, user *models.User, accountid int64, sort string, page uint64, limit uint64) (*models.AccountTransactionsList, error) {
var transactions []models.Transaction
var atl models.AccountTransactionsList
var sqlsort, balanceLimitOffset string
var balanceLimitOffsetArg uint64
if sort == "date-asc" {
sqlsort = " ORDER BY transactions.Date ASC, transactions.TransactionId ASC"
balanceLimitOffset = " LIMIT ?"
balanceLimitOffsetArg = page * limit
} else if sort == "date-desc" {
numSplits, err := tx.SelectInt("SELECT count(*) FROM splits")
if err != nil {
return nil, err
}
sqlsort = " ORDER BY transactions.Date DESC, transactions.TransactionId DESC"
balanceLimitOffset = fmt.Sprintf(" LIMIT %d OFFSET ?", numSplits)
balanceLimitOffsetArg = (page + 1) * limit
}
var sqloffset string
if page > 0 {
sqloffset = fmt.Sprintf(" OFFSET %d", page*limit)
}
account, err := tx.GetAccount(accountid, user.UserId)
if err != nil {
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 = tx.Select(&transactions, sql, user.UserId, accountid, limit)
if err != nil {
return nil, err
}
atl.Transactions = &transactions
pageDifference, err := TransactionsBalanceDifference(tx, accountid, transactions)
if err != nil {
return nil, err
}
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 {
return nil, err
}
atl.TotalTransactions = count
security, err := tx.GetSecurity(atl.Account.SecurityId, user.UserId)
if err != nil {
return nil, err
}
if security == nil {
return nil, errors.New("Security not found")
}
// Sum all the splits for all transaction splits for this account that
// occurred before the page we're returning
var amounts []string
sql = "SELECT s.Amount FROM splits AS s INNER JOIN (SELECT DISTINCT transactions.Date, transactions.TransactionId FROM transactions INNER JOIN splits ON transactions.TransactionId = splits.TransactionId WHERE transactions.UserId=? AND splits.AccountId=?" + sqlsort + balanceLimitOffset + ") as t ON s.TransactionId = t.TransactionId WHERE s.AccountId=?"
_, err = tx.Select(&amounts, sql, user.UserId, accountid, balanceLimitOffsetArg, accountid)
if err != nil {
return nil, err
}
var tmp, balance big.Rat
for _, amount := range amounts {
rat_amount, err := models.GetBigAmount(amount)
if err != nil {
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
atl.BeginningBalance = balance.FloatString(security.Precision)
atl.EndingBalance = tmp.Add(&balance, pageDifference).FloatString(security.Precision)
return &atl, nil
}
// Return only those transactions which have at least one split pertaining to // Return only those transactions which have at least one split pertaining to
// an account // an account
func AccountTransactionsHandler(context *Context, r *http.Request, user *models.User, accountid int64) ResponseWriterWriter { func AccountTransactionsHandler(context *Context, r *http.Request, user *models.User, accountid int64) ResponseWriterWriter {
@ -609,7 +232,7 @@ func AccountTransactionsHandler(context *Context, r *http.Request, user *models.
sort = sortstring sort = sortstring
} }
accountTransactions, err := GetAccountTransactions(context.Tx, user, accountid, sort, page, limit) accountTransactions, err := context.Tx.GetAccountTransactions(user, accountid, sort, page, limit)
if err != nil { if err != nil {
log.Print(err) log.Print(err)
return NewError(999 /*Internal Error*/) return NewError(999 /*Internal Error*/)

4
internal/handlers/transactions_test.go
View File

@ -276,7 +276,7 @@ func TestGetTransactions(t *testing.T) {
found := false found := false
for _, tran := range *tl.Transactions { for _, tran := range *tl.Transactions {
if tran.TransactionId == curr.TransactionId { if tran.TransactionId == curr.TransactionId {
ensureTransactionsMatch(t, &curr, &tran, nil, true, true) ensureTransactionsMatch(t, &curr, tran, nil, true, true)
if _, ok := foundIds[tran.TransactionId]; ok { if _, ok := foundIds[tran.TransactionId]; ok {
continue continue
} }
@ -410,7 +410,7 @@ func helperTestAccountTransactions(t *testing.T, d *TestData, account *models.Ac
} }
if atl.Transactions != nil { if atl.Transactions != nil {
for _, tran := range *atl.Transactions { for _, tran := range *atl.Transactions {
transactions = append(transactions, tran) transactions = append(transactions, *tran)
} }
lastFetchCount = int64(len(*atl.Transactions)) lastFetchCount = int64(len(*atl.Transactions))
} else { } else {

4
internal/models/transactions.go
View File

@ -82,12 +82,12 @@ type Transaction struct {
} }
type TransactionList struct { type TransactionList struct {
Transactions *[]Transaction `json:"transactions"` Transactions *[]*Transaction `json:"transactions"`
} }
type AccountTransactionsList struct { type AccountTransactionsList struct {
Account *Account Account *Account
Transactions *[]Transaction Transactions *[]*Transaction
TotalTransactions int64 TotalTransactions int64
BeginningBalance string BeginningBalance string
EndingBalance string EndingBalance string

361
internal/store/db/transactions.go Normal file
View File

@ -0,0 +1,361 @@
package db
import (
"errors"
"fmt"
"github.com/aclindsa/moneygo/internal/models"
"github.com/aclindsa/moneygo/internal/store"
"math/big"
"time"
)
func (tx *Tx) incrementAccountVersions(user *models.User, accountids []int64) error {
for i := range accountids {
account, err := tx.GetAccount(accountids[i], user.UserId)
if err != nil {
return err
}
account.AccountVersion++
count, err := tx.Update(account)
if err != nil {
return err
}
if count != 1 {
return errors.New("Updated more than one account")
}
}
return nil
}
func (tx *Tx) InsertTransaction(t *models.Transaction, user *models.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 := tx.SelectInt("SELECT count(*) from accounts where AccountId=?", t.Splits[i].AccountId)
if err != nil {
return err
}
if existing != 1 {
return store.AccountMissingError{}
}
a_map[t.Splits[i].AccountId] = true
} else if t.Splits[i].SecurityId == -1 {
return store.AccountMissingError{}
}
}
//increment versions for all accounts
var a_ids []int64
for id := range a_map {
a_ids = append(a_ids, id)
}
// ensure at least one of the splits is associated with an actual account
if len(a_ids) < 1 {
return store.AccountMissingError{}
}
err := tx.incrementAccountVersions(user, a_ids)
if err != nil {
return err
}
t.UserId = user.UserId
err = tx.Insert(t)
if err != nil {
return err
}
for i := range t.Splits {
t.Splits[i].TransactionId = t.TransactionId
t.Splits[i].SplitId = -1
err = tx.Insert(t.Splits[i])
if err != nil {
return err
}
}
return nil
}
func (tx *Tx) SplitExists(s *models.Split) (bool, error) {
count, err := tx.SelectInt("SELECT COUNT(*) from splits where RemoteId=? and AccountId=?", s.RemoteId, s.AccountId)
return count == 1, err
}
func (tx *Tx) GetTransaction(transactionid int64, userid int64) (*models.Transaction, error) {
var t models.Transaction
err := tx.SelectOne(&t, "SELECT * from transactions where UserId=? AND TransactionId=?", userid, transactionid)
if err != nil {
return nil, err
}
_, err = tx.Select(&t.Splits, "SELECT * from splits where TransactionId=?", transactionid)
if err != nil {
return nil, err
}
return &t, nil
}
func (tx *Tx) GetTransactions(userid int64) (*[]*models.Transaction, error) {
var transactions []*models.Transaction
_, err := tx.Select(&transactions, "SELECT * from transactions where UserId=?", userid)
if err != nil {
return nil, err
}
for i := range transactions {
_, err := tx.Select(&transactions[i].Splits, "SELECT * from splits where TransactionId=?", transactions[i].TransactionId)
if err != nil {
return nil, err
}
}
return &transactions, nil
}
func (tx *Tx) UpdateTransaction(t *models.Transaction, user *models.User) error {
var existing_splits []*models.Split
_, err := tx.Select(&existing_splits, "SELECT * from splits where TransactionId=?", t.TransactionId)
if err != nil {
return err
}
// Map of any accounts with transaction splits being added
a_map := make(map[int64]bool)
// Make a map with any existing splits for this transaction
s_map := make(map[int64]bool)
for i := range existing_splits {
s_map[existing_splits[i].SplitId] = true
}
// Insert splits, updating any pre-existing ones
for i := range t.Splits {
t.Splits[i].TransactionId = t.TransactionId
_, ok := s_map[t.Splits[i].SplitId]
if ok {
count, err := tx.Update(t.Splits[i])
if err != nil {
return err
}
if count > 1 {
return fmt.Errorf("Updated %d transaction splits while attempting to update only 1", count)
}
delete(s_map, t.Splits[i].SplitId)
} else {
t.Splits[i].SplitId = -1
err := tx.Insert(t.Splits[i])
if err != nil {
return err
}
}
if t.Splits[i].AccountId != -1 {
a_map[t.Splits[i].AccountId] = true
}
}
// Delete any remaining pre-existing splits
for i := range existing_splits {
_, ok := s_map[existing_splits[i].SplitId]
if existing_splits[i].AccountId != -1 {
a_map[existing_splits[i].AccountId] = true
}
if ok {
_, err := tx.Delete(existing_splits[i])
if err != nil {
return err
}
}
}
// Increment versions for all accounts with modified splits
var a_ids []int64
for id := range a_map {
a_ids = append(a_ids, id)
}
err = tx.incrementAccountVersions(user, a_ids)
if err != nil {
return err
}
count, err := tx.Update(t)
if err != nil {
return err
}
if count > 1 {
return fmt.Errorf("Updated %d transactions (expected 1)", count)
}
return nil
}
func (tx *Tx) DeleteTransaction(t *models.Transaction, user *models.User) error {
var accountids []int64
_, err := tx.Select(&accountids, "SELECT DISTINCT AccountId FROM splits WHERE TransactionId=? AND AccountId != -1", t.TransactionId)
if err != nil {
return err
}
_, err = tx.Exec("DELETE FROM splits WHERE TransactionId=?", t.TransactionId)
if err != nil {
return err
}
count, err := tx.Delete(t)
if err != nil {
return err
}
if count != 1 {
return errors.New("Deleted more than one transaction")
}
err = tx.incrementAccountVersions(user, accountids)
if err != nil {
return err
}
return nil
}
func (tx *Tx) GetAccountSplits(user *models.User, accountid int64) (*[]*models.Split, error) {
var splits []*models.Split
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=?"
_, err := tx.Select(&splits, sql, accountid, user.UserId)
if err != nil {
return nil, err
}
return &splits, nil
}
// Assumes accountid is valid and is owned by the current user
func (tx *Tx) GetAccountSplitsDate(user *models.User, accountid int64, date *time.Time) (*[]*models.Split, error) {
var splits []*models.Split
sql := "SELECT DISTINCT splits.* FROM splits INNER JOIN transactions ON transactions.TransactionId = splits.TransactionId WHERE splits.AccountId=? AND transactions.UserId=? AND transactions.Date < ?"
_, err := tx.Select(&splits, sql, accountid, user.UserId, date)
if err != nil {
return nil, err
}
return &splits, err
}
func (tx *Tx) GetAccountSplitsDateRange(user *models.User, accountid int64, begin, end *time.Time) (*[]*models.Split, error) {
var splits []*models.Split
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 := tx.Select(&splits, sql, accountid, user.UserId, begin, end)
if err != nil {
return nil, err
}
return &splits, nil
}
func (tx *Tx) transactionsBalanceDifference(accountid int64, transactions []*models.Transaction) (*big.Rat, error) {
var pageDifference, tmp big.Rat
for i := range transactions {
_, err := tx.Select(&transactions[i].Splits, "SELECT * FROM splits where TransactionId=?", transactions[i].TransactionId)
if err != nil {
return nil, err
}
// Sum up the amounts from the splits we're returning so we can return
// an ending balance
for j := range transactions[i].Splits {
if transactions[i].Splits[j].AccountId == accountid {
rat_amount, err := models.GetBigAmount(transactions[i].Splits[j].Amount)
if err != nil {
return nil, err
}
tmp.Add(&pageDifference, rat_amount)
pageDifference.Set(&tmp)
}
}
}
return &pageDifference, nil
}
func (tx *Tx) GetAccountTransactions(user *models.User, accountid int64, sort string, page uint64, limit uint64) (*models.AccountTransactionsList, error) {
var transactions []*models.Transaction
var atl models.AccountTransactionsList
var sqlsort, balanceLimitOffset string
var balanceLimitOffsetArg uint64
if sort == "date-asc" {
sqlsort = " ORDER BY transactions.Date ASC, transactions.TransactionId ASC"
balanceLimitOffset = " LIMIT ?"
balanceLimitOffsetArg = page * limit
} else if sort == "date-desc" {
numSplits, err := tx.SelectInt("SELECT count(*) FROM splits")
if err != nil {
return nil, err
}
sqlsort = " ORDER BY transactions.Date DESC, transactions.TransactionId DESC"
balanceLimitOffset = fmt.Sprintf(" LIMIT %d OFFSET ?", numSplits)
balanceLimitOffsetArg = (page + 1) * limit
}
var sqloffset string
if page > 0 {
sqloffset = fmt.Sprintf(" OFFSET %d", page*limit)
}
account, err := tx.GetAccount(accountid, user.UserId)
if err != nil {
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 = tx.Select(&transactions, sql, user.UserId, accountid, limit)
if err != nil {
return nil, err
}
atl.Transactions = &transactions
pageDifference, err := tx.transactionsBalanceDifference(accountid, transactions)
if err != nil {
return nil, err
}
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 {
return nil, err
}
atl.TotalTransactions = count
security, err := tx.GetSecurity(atl.Account.SecurityId, user.UserId)
if err != nil {
return nil, err
}
if security == nil {
return nil, errors.New("Security not found")
}
// Sum all the splits for all transaction splits for this account that
// occurred before the page we're returning
var amounts []string
sql = "SELECT s.Amount FROM splits AS s INNER JOIN (SELECT DISTINCT transactions.Date, transactions.TransactionId FROM transactions INNER JOIN splits ON transactions.TransactionId = splits.TransactionId WHERE transactions.UserId=? AND splits.AccountId=?" + sqlsort + balanceLimitOffset + ") as t ON s.TransactionId = t.TransactionId WHERE s.AccountId=?"
_, err = tx.Select(&amounts, sql, user.UserId, accountid, balanceLimitOffsetArg, accountid)
if err != nil {
return nil, err
}
var tmp, balance big.Rat
for _, amount := range amounts {
rat_amount, err := models.GetBigAmount(amount)
if err != nil {
return nil, err
}
tmp.Add(&balance, rat_amount)
balance.Set(&tmp)
}
atl.BeginningBalance = balance.FloatString(security.Precision)
atl.EndingBalance = tmp.Add(&balance, pageDifference).FloatString(security.Precision)
return &atl, nil
}

16
internal/store/store.go
View File

@ -76,7 +76,23 @@ type AccountStore interface {
DeleteAccount(account *models.Account) error DeleteAccount(account *models.Account) error
} }
type AccountMissingError struct{}
func (ame AccountMissingError) Error() string {
return "Account missing"
}
type TransactionStore interface { type TransactionStore interface {
SplitExists(s *models.Split) (bool, error)
InsertTransaction(t *models.Transaction, user *models.User) error
GetTransaction(transactionid int64, userid int64) (*models.Transaction, error)
GetTransactions(userid int64) (*[]*models.Transaction, error)
UpdateTransaction(t *models.Transaction, user *models.User) error
DeleteTransaction(t *models.Transaction, user *models.User) error
GetAccountSplits(user *models.User, accountid int64) (*[]*models.Split, error)
GetAccountSplitsDate(user *models.User, accountid int64, date *time.Time) (*[]*models.Split, error)
GetAccountSplitsDateRange(user *models.User, accountid int64, begin, end *time.Time) (*[]*models.Split, error)
GetAccountTransactions(user *models.User, accountid int64, sort string, page uint64, limit uint64) (*models.AccountTransactionsList, error)
} }
type ReportStore interface { type ReportStore interface {