budget-go/database/manager/manager.go
2024-09-23 18:43:17 +02:00

86 lines
1.9 KiB
Go

package manager
import (
"fmt"
"log"
"os"
"strings"
"time"
"gitnet.fr/deblan/budget/config"
"gorm.io/driver/mysql"
"gorm.io/gorm"
"gorm.io/gorm/logger"
lg "gorm.io/gorm/logger"
)
type Manager struct {
Db *gorm.DB
}
var manager *Manager
func Get() *Manager {
if manager == nil {
manager = &Manager{}
config := config.Get()
dsn := config.Database.Dsn
var logLevel lg.LogLevel
if config.Log.Level == "debug" {
logLevel = lg.Info
} else if config.Log.Level == "warning" {
logLevel = lg.Warn
} else if config.Log.Level == "quiet" {
logLevel = lg.Silent
} else {
logLevel = lg.Silent
}
db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{
Logger: logger.New(
log.New(os.Stdout, "\r\n", log.LstdFlags),
lg.Config{
SlowThreshold: time.Second,
LogLevel: lg.LogLevel(logLevel),
IgnoreRecordNotFoundError: true,
ParameterizedQueries: true,
// ParameterizedQueries: false,
Colorful: true,
},
),
})
if err != nil {
log.Fatal(err)
}
manager.Db = db
}
return manager
}
func DbComparator(db *gorm.DB, table, field, comparator, value string) {
value = strings.ToLower(value)
field = fmt.Sprintf("`%s`.`%s`", table, field)
if comparator == "eq" {
db.Where(fmt.Sprintf("%s = ?", field), value)
} else if comparator == "neq" {
db.Where(fmt.Sprintf("%s != ?", field), value)
} else if comparator == "like" {
db.Where(fmt.Sprintf("%s LIKE ?", field), fmt.Sprintf("%%%s%%", value))
} else if comparator == "nlike" {
db.Where(fmt.Sprintf("%s NOT LIKE ?", field), fmt.Sprintf("%%%s%%", value))
} else if comparator == "empty" {
db.Where(fmt.Sprintf("%s IS NULL", field))
} else if comparator == "nempty" {
db.Where(fmt.Sprintf("%s IS NOT NULL", field))
} else if comparator == "lt" {
db.Where(fmt.Sprintf("%s <= ?", field), value)
} else if comparator == "gt" {
db.Where(fmt.Sprintf("%s >= ?", field), value)
}
}