mirror of
https://github.com/beego/bee.git
synced 2024-11-25 20:10:55 +00:00
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
// Copyright 2013 bee authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License"): you may
|
|
// not use this file except in compliance with the License. You may obtain
|
|
// a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
// License for the specific language governing permissions and limitations
|
|
// under the License.
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const (
|
|
M_PATH = "migrations"
|
|
M_DATE_FORMAT = "20060102_150405"
|
|
)
|
|
|
|
// generateMigration generates migration file template for database schema update.
|
|
// The generated file template consists of an up() method for updating schema and
|
|
// a down() method for reverting the update.
|
|
func generateMigration(mname, upsql, downsql, curpath string) {
|
|
migrationFilePath := path.Join(curpath, "database", M_PATH)
|
|
if _, err := os.Stat(migrationFilePath); os.IsNotExist(err) {
|
|
// create migrations directory
|
|
if err := os.MkdirAll(migrationFilePath, 0777); err != nil {
|
|
ColorLog("[ERRO] Could not create migration directory: %s\n", err)
|
|
os.Exit(2)
|
|
}
|
|
}
|
|
// create file
|
|
today := time.Now().Format(M_DATE_FORMAT)
|
|
fpath := path.Join(migrationFilePath, fmt.Sprintf("%s_%s.go", today, mname))
|
|
if f, err := os.OpenFile(fpath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err == nil {
|
|
defer f.Close()
|
|
content := strings.Replace(MIGRATION_TPL, "{{StructName}}", camelCase(mname)+"_"+today, -1)
|
|
content = strings.Replace(content, "{{CurrTime}}", today, -1)
|
|
content = strings.Replace(content, "{{UpSQL}}", upsql, -1)
|
|
content = strings.Replace(content, "{{DownSQL}}", downsql, -1)
|
|
f.WriteString(content)
|
|
// gofmt generated source code
|
|
formatSourceCode(fpath)
|
|
ColorLog("[INFO] Migration file generated: %s\n", fpath)
|
|
} else {
|
|
// error creating file
|
|
ColorLog("[ERRO] Could not create migration file: %s\n", err)
|
|
os.Exit(2)
|
|
}
|
|
}
|
|
|
|
const MIGRATION_TPL = `package main
|
|
|
|
import (
|
|
"github.com/astaxie/beego/migration"
|
|
)
|
|
|
|
// DO NOT MODIFY
|
|
type {{StructName}} struct {
|
|
migration.Migration
|
|
}
|
|
|
|
// DO NOT MODIFY
|
|
func init() {
|
|
m := &{{StructName}}{}
|
|
m.Created = "{{CurrTime}}"
|
|
migration.Register("{{StructName}}", m)
|
|
}
|
|
|
|
// Run the migrations
|
|
func (m *{{StructName}}) Up() {
|
|
// use m.SQL("CREATE TABLE ...") to make schema update
|
|
{{UpSQL}}
|
|
}
|
|
|
|
// Reverse the migrations
|
|
func (m *{{StructName}}) Down() {
|
|
// use m.SQL("DROP TABLE ...") to reverse schema update
|
|
{{DownSQL}}
|
|
}
|
|
`
|