mirror of
https://github.com/beego/bee.git
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338dfc65ed
Added enhanced logging while using bee to scaffold code Fixed some typos and errors Added more error handling Added more docs
93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
// Copyright 2013 bee authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package main
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import (
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"fmt"
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"os"
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"path"
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"strings"
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"time"
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)
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const (
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MPath = "migrations"
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MDateFormat = "20060102_150405"
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)
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// generateMigration generates migration file template for database schema update.
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// The generated file template consists of an up() method for updating schema and
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// a down() method for reverting the update.
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func generateMigration(mname, upsql, downsql, curpath string) {
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w := NewColorWriter(os.Stdout)
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migrationFilePath := path.Join(curpath, "database", MPath)
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if _, err := os.Stat(migrationFilePath); os.IsNotExist(err) {
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// create migrations directory
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if err := os.MkdirAll(migrationFilePath, 0777); err != nil {
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ColorLog("[ERRO] Could not create migration directory: %s\n", err)
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os.Exit(2)
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}
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}
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// create file
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today := time.Now().Format(MDateFormat)
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fpath := path.Join(migrationFilePath, fmt.Sprintf("%s_%s.go", today, mname))
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if f, err := os.OpenFile(fpath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err == nil {
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defer CloseFile(f)
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content := strings.Replace(MigrationTPL, "{{StructName}}", camelCase(mname)+"_"+today, -1)
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content = strings.Replace(content, "{{CurrTime}}", today, -1)
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content = strings.Replace(content, "{{UpSQL}}", upsql, -1)
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content = strings.Replace(content, "{{DownSQL}}", downsql, -1)
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f.WriteString(content)
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// Run 'gofmt' on the generated source code
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formatSourceCode(fpath)
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fmt.Fprintf(w, "\t%s%screate%s\t %s%s\n", "\x1b[32m", "\x1b[1m", "\x1b[21m", fpath, "\x1b[0m")
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} else {
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ColorLog("[ERRO] Could not create migration file: %s\n", err)
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os.Exit(2)
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}
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}
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const MigrationTPL = `package main
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import (
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"github.com/astaxie/beego/migration"
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)
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// DO NOT MODIFY
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type {{StructName}} struct {
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migration.Migration
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}
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// DO NOT MODIFY
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func init() {
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m := &{{StructName}}{}
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m.Created = "{{CurrTime}}"
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migration.Register("{{StructName}}", m)
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}
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// Run the migrations
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func (m *{{StructName}}) Up() {
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// use m.SQL("CREATE TABLE ...") to make schema update
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{{UpSQL}}
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}
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// Reverse the migrations
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func (m *{{StructName}}) Down() {
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// use m.SQL("DROP TABLE ...") to reverse schema update
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{{DownSQL}}
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}
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`
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