mirror of
https://github.com/aclindsa/moneygo.git
synced 2024-11-16 19:40:05 -05:00
Aaron Lindsay
a357d38eee
This adds 'shadow' types used only by the store/db internal package whch handle converting these types to their DB-equivalent values. This change should allow reports to be generated significantly faster since it allows a large portion of the computation to be shifted to the database engines.
89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
package reports
|
|
|
|
import (
|
|
"github.com/aclindsa/moneygo/internal/models"
|
|
"github.com/yuin/gopher-lua"
|
|
)
|
|
|
|
const luaPriceTypeName = "price"
|
|
|
|
func luaRegisterPrices(L *lua.LState) {
|
|
mt := L.NewTypeMetatable(luaPriceTypeName)
|
|
L.SetGlobal("price", mt)
|
|
L.SetField(mt, "__index", L.NewFunction(luaPrice__index))
|
|
L.SetField(mt, "__tostring", L.NewFunction(luaPrice__tostring))
|
|
L.SetField(mt, "__metatable", lua.LString("protected"))
|
|
}
|
|
|
|
func PriceToLua(L *lua.LState, price *models.Price) *lua.LUserData {
|
|
ud := L.NewUserData()
|
|
ud.Value = price
|
|
L.SetMetatable(ud, L.GetTypeMetatable(luaPriceTypeName))
|
|
return ud
|
|
}
|
|
|
|
// Checks whether the first lua argument is a *LUserData with *Price and returns this *Price.
|
|
func luaCheckPrice(L *lua.LState, n int) *models.Price {
|
|
ud := L.CheckUserData(n)
|
|
if price, ok := ud.Value.(*models.Price); ok {
|
|
return price
|
|
}
|
|
L.ArgError(n, "price expected")
|
|
return nil
|
|
}
|
|
|
|
func luaPrice__index(L *lua.LState) int {
|
|
p := luaCheckPrice(L, 1)
|
|
field := L.CheckString(2)
|
|
|
|
switch field {
|
|
case "PriceId", "priceid":
|
|
L.Push(lua.LNumber(float64(p.PriceId)))
|
|
case "Security", "security":
|
|
security_map, err := luaContextGetSecurities(L)
|
|
if err != nil {
|
|
panic("luaContextGetSecurities couldn't fetch securities")
|
|
}
|
|
s, ok := security_map[p.SecurityId]
|
|
if !ok {
|
|
panic("Price's security not found for user")
|
|
}
|
|
L.Push(SecurityToLua(L, s))
|
|
case "Currency", "currency":
|
|
security_map, err := luaContextGetSecurities(L)
|
|
if err != nil {
|
|
panic("luaContextGetSecurities couldn't fetch securities")
|
|
}
|
|
c, ok := security_map[p.CurrencyId]
|
|
if !ok {
|
|
panic("Price's currency not found for user")
|
|
}
|
|
L.Push(SecurityToLua(L, c))
|
|
case "Value", "value":
|
|
float, _ := p.Value.Float64()
|
|
L.Push(lua.LNumber(float))
|
|
default:
|
|
L.ArgError(2, "unexpected price attribute: "+field)
|
|
}
|
|
|
|
return 1
|
|
}
|
|
|
|
func luaPrice__tostring(L *lua.LState) int {
|
|
p := luaCheckPrice(L, 1)
|
|
|
|
security_map, err := luaContextGetSecurities(L)
|
|
if err != nil {
|
|
panic("luaContextGetSecurities couldn't fetch securities")
|
|
}
|
|
s, ok1 := security_map[p.SecurityId]
|
|
c, ok2 := security_map[p.CurrencyId]
|
|
if !ok1 || !ok2 {
|
|
panic("Price's currency or security not found for user")
|
|
}
|
|
|
|
L.Push(lua.LString(p.Value.String() + " " + c.Symbol + " (" + s.Symbol + ")"))
|
|
|
|
return 1
|
|
}
|