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gorm.go
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gorm.go
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package gormdb
// # Database config
// db.driver=sqlite3 # mysql, postgres, sqlite3
// db.host=localhost # Use dbhost /tmp/app.db is your driver is sqlite
// db.port=dbport
// db.user=dbuser
// db.name=dbname
// db.password=dbpassword
// db.singulartable=false # default=false
import (
"fmt"
"github.com/jinzhu/gorm"
// mysql package.
_ "github.com/jinzhu/gorm/dialects/mysql"
// postgres package.
_ "github.com/jinzhu/gorm/dialects/postgres"
// mysql package.
_ "github.com/jinzhu/gorm/dialects/sqlite"
"github.com/revel/revel"
)
// DB Gorm.
var (
DB *gorm.DB
gormLog = revel.AppLog
)
func init() {
revel.RegisterModuleInit(func(m *revel.Module) {
gormLog = m.Log
})
}
// InitDB database.
func OpenDB(dbDriver string, dbInfo string) {
db, err := gorm.Open(dbDriver, dbInfo)
if err != nil {
gormLog.Fatal("sql.Open failed", "error", err)
}
DB = db
singulartable := revel.Config.BoolDefault("db.singulartable", false)
if singulartable {
DB.SingularTable(singulartable)
}
}
type DbInfo struct {
DbDriver string
DbHost string
DbPort int
DbUser string
DbPassword string
DbName string
}
func InitDBWithParameters(params DbInfo) {
dbInfo := ""
switch params.DbDriver {
default:
dbInfo = fmt.Sprintf(params.DbHost)
case "postgres":
dbInfo = fmt.Sprintf("host=%s port=%d user=%s dbname=%s sslmode=disable password=%s", params.DbHost, params.DbPort, params.DbUser, params.DbName, params.DbPassword)
case "mysql":
dbInfo = fmt.Sprintf("%s:%s@(%s:%d)/%s?charset=utf8&parseTime=True&loc=Local", params.DbUser, params.DbPassword, params.DbHost, params.DbPort, params.DbName)
fmt.Println(dbInfo)
}
OpenDB(params.DbDriver, dbInfo)
}
func InitDB() {
params := DbInfo{}
params.DbDriver = revel.Config.StringDefault("db.driver", "sqlite3")
params.DbHost = revel.Config.StringDefault("db.host", "localhost")
switch params.DbDriver {
case "postgres":
params.DbPort = revel.Config.IntDefault("db.port", 5432)
case "mysql":
params.DbPort = revel.Config.IntDefault("db.port", 3306)
case "sqlite3":
if params.DbHost == "localhost" {
params.DbHost = "/tmp/app.db"
}
}
params.DbUser = revel.Config.StringDefault("db.user", "default")
params.DbPassword = revel.Config.StringDefault("db.password", "")
params.DbName = revel.Config.StringDefault("db.name", "default")
InitDBWithParameters(params)
}