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53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
//
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// db.go
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// Copyright (C) 2024 veypi <i@veypi.com>
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// 2024-09-20 16:10:16
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// Distributed under terms of the MIT license.
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//
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package cfg
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import (
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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)
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var db *gorm.DB
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var cmdDB = CMD.SubCommand("db", "database operations")
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var cmdMigrate = cmdDB.SubCommand("migrate", "migrate database")
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var ObjList = make([]any, 0, 10)
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func init() {
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cmdMigrate.Command = func() error {
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// create table without constraints
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DB().DisableForeignKeyConstraintWhenMigrating = true
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err := DB().AutoMigrate(ObjList...)
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if err != nil {
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return err
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}
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// create constraints
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DB().DisableForeignKeyConstraintWhenMigrating = false
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return DB().AutoMigrate(ObjList...)
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}
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cmdDB.SubCommand("drop", "drop database").Command = func() error {
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return DB().Migrator().DropTable(ObjList...)
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}
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}
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func DB() *gorm.DB {
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if db == nil {
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var err error
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db, err = gorm.Open(mysql.New(mysql.Config{
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DSN: Config.DSN,
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}), &gorm.Config{
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Logger: logger.Default.LogMode(logger.Silent),
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})
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if err != nil {
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panic(err)
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}
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}
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return db
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}
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