mirror of
https://github.com/beego/bee.git
synced 2024-11-24 13:30:53 +00:00
291 lines
8.1 KiB
Go
291 lines
8.1 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 generate
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/beego/bee/logger"
|
|
"github.com/beego/bee/logger/colors"
|
|
"github.com/beego/bee/utils"
|
|
)
|
|
|
|
const (
|
|
MPath = "migrations"
|
|
MDateFormat = "20060102_150405"
|
|
DBPath = "database"
|
|
)
|
|
|
|
type DBDriver interface {
|
|
GenerateCreateUp(tableName string) string
|
|
GenerateCreateDown(tableName string) string
|
|
}
|
|
|
|
type mysqlDriver struct{}
|
|
|
|
func (m mysqlDriver) GenerateCreateUp(tableName string) string {
|
|
upsql := `m.SQL("CREATE TABLE ` + tableName + "(" + m.generateSQLFromFields(Fields.String()) + `)");`
|
|
return upsql
|
|
}
|
|
|
|
func (m mysqlDriver) GenerateCreateDown(tableName string) string {
|
|
downsql := `m.SQL("DROP TABLE ` + "`" + tableName + "`" + `")`
|
|
return downsql
|
|
}
|
|
|
|
func (m mysqlDriver) generateSQLFromFields(fields string) string {
|
|
sql, tags := "", ""
|
|
fds := strings.Split(fields, ",")
|
|
for i, v := range fds {
|
|
kv := strings.SplitN(v, ":", 2)
|
|
if len(kv) != 2 {
|
|
beeLogger.Log.Error("Fields format is wrong. Should be: key:type,key:type " + v)
|
|
return ""
|
|
}
|
|
typ, tag := m.getSQLType(kv[1])
|
|
if typ == "" {
|
|
beeLogger.Log.Error("Fields format is wrong. Should be: key:type,key:type " + v)
|
|
return ""
|
|
}
|
|
if i == 0 && strings.ToLower(kv[0]) != "id" {
|
|
sql += "`id` int(11) NOT NULL AUTO_INCREMENT,"
|
|
tags = tags + "PRIMARY KEY (`id`),"
|
|
}
|
|
sql += "`" + utils.SnakeString(kv[0]) + "` " + typ + ","
|
|
if tag != "" {
|
|
tags = tags + fmt.Sprintf(tag, "`"+utils.SnakeString(kv[0])+"`") + ","
|
|
}
|
|
}
|
|
sql = strings.TrimRight(sql+tags, ",")
|
|
return sql
|
|
}
|
|
|
|
func (m mysqlDriver) getSQLType(ktype string) (tp, tag string) {
|
|
kv := strings.SplitN(ktype, ":", 2)
|
|
switch kv[0] {
|
|
case "string":
|
|
if len(kv) == 2 {
|
|
return "varchar(" + kv[1] + ") NOT NULL", ""
|
|
}
|
|
return "varchar(128) NOT NULL", ""
|
|
case "text":
|
|
return "longtext NOT NULL", ""
|
|
case "auto":
|
|
return "int(11) NOT NULL AUTO_INCREMENT", ""
|
|
case "pk":
|
|
return "int(11) NOT NULL", "PRIMARY KEY (%s)"
|
|
case "datetime":
|
|
return "datetime NOT NULL", ""
|
|
case "int", "int8", "int16", "int32", "int64":
|
|
fallthrough
|
|
case "uint", "uint8", "uint16", "uint32", "uint64":
|
|
return "int(11) DEFAULT NULL", ""
|
|
case "bool":
|
|
return "tinyint(1) NOT NULL", ""
|
|
case "float32", "float64":
|
|
return "float NOT NULL", ""
|
|
case "float":
|
|
return "float NOT NULL", ""
|
|
}
|
|
return "", ""
|
|
}
|
|
|
|
type postgresqlDriver struct{}
|
|
|
|
func (m postgresqlDriver) GenerateCreateUp(tableName string) string {
|
|
upsql := `m.SQL("CREATE TABLE ` + tableName + "(" + m.generateSQLFromFields(Fields.String()) + `)");`
|
|
return upsql
|
|
}
|
|
|
|
func (m postgresqlDriver) GenerateCreateDown(tableName string) string {
|
|
downsql := `m.SQL("DROP TABLE ` + tableName + `")`
|
|
return downsql
|
|
}
|
|
|
|
func (m postgresqlDriver) generateSQLFromFields(fields string) string {
|
|
sql, tags := "", ""
|
|
fds := strings.Split(fields, ",")
|
|
for i, v := range fds {
|
|
kv := strings.SplitN(v, ":", 2)
|
|
if len(kv) != 2 {
|
|
beeLogger.Log.Error("Fields format is wrong. Should be: key:type,key:type " + v)
|
|
return ""
|
|
}
|
|
typ, tag := m.getSQLType(kv[1])
|
|
if typ == "" {
|
|
beeLogger.Log.Error("Fields format is wrong. Should be: key:type,key:type " + v)
|
|
return ""
|
|
}
|
|
if i == 0 && strings.ToLower(kv[0]) != "id" {
|
|
sql += "id serial primary key,"
|
|
}
|
|
sql += utils.SnakeString(kv[0]) + " " + typ + ","
|
|
if tag != "" {
|
|
tags = tags + fmt.Sprintf(tag, utils.SnakeString(kv[0])) + ","
|
|
}
|
|
}
|
|
if tags != "" {
|
|
sql = strings.TrimRight(sql+" "+tags, ",")
|
|
} else {
|
|
sql = strings.TrimRight(sql, ",")
|
|
}
|
|
return sql
|
|
}
|
|
|
|
func (m postgresqlDriver) getSQLType(ktype string) (tp, tag string) {
|
|
kv := strings.SplitN(ktype, ":", 2)
|
|
switch kv[0] {
|
|
case "string":
|
|
if len(kv) == 2 {
|
|
return "char(" + kv[1] + ") NOT NULL", ""
|
|
}
|
|
return "TEXT NOT NULL", ""
|
|
case "text":
|
|
return "TEXT NOT NULL", ""
|
|
case "auto", "pk":
|
|
return "serial primary key", ""
|
|
case "datetime":
|
|
return "TIMESTAMP WITHOUT TIME ZONE NOT NULL", ""
|
|
case "int", "int8", "int16", "int32", "int64":
|
|
fallthrough
|
|
case "uint", "uint8", "uint16", "uint32", "uint64":
|
|
return "integer DEFAULT NULL", ""
|
|
case "bool":
|
|
return "boolean NOT NULL", ""
|
|
case "float32", "float64", "float":
|
|
return "numeric NOT NULL", ""
|
|
}
|
|
return "", ""
|
|
}
|
|
|
|
func NewDBDriver() DBDriver {
|
|
switch SQLDriver {
|
|
case "mysql":
|
|
return mysqlDriver{}
|
|
case "postgres":
|
|
return postgresqlDriver{}
|
|
default:
|
|
beeLogger.Log.Fatal("Driver not supported")
|
|
return nil
|
|
}
|
|
}
|
|
|
|
// 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) {
|
|
w := colors.NewColorWriter(os.Stdout)
|
|
migrationFilePath := path.Join(curpath, DBPath, MPath)
|
|
if _, err := os.Stat(migrationFilePath); os.IsNotExist(err) {
|
|
// create migrations directory
|
|
if err := os.MkdirAll(migrationFilePath, 0777); err != nil {
|
|
beeLogger.Log.Fatalf("Could not create migration directory: %s", err)
|
|
}
|
|
}
|
|
// create file
|
|
today := time.Now().Format(MDateFormat)
|
|
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 utils.CloseFile(f)
|
|
ddlSpec := ""
|
|
spec := ""
|
|
up := ""
|
|
down := ""
|
|
if DDL != "" {
|
|
ddlSpec = "m.ddlSpec()"
|
|
switch strings.Title(DDL.String()) {
|
|
case "Create":
|
|
spec = strings.Replace(DDLSpecCreate, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
|
|
case "Alter":
|
|
spec = strings.Replace(DDLSpecAlter, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
|
|
}
|
|
spec = strings.Replace(spec, "{{tableName}}", mname, -1)
|
|
} else {
|
|
up = strings.Replace(MigrationUp, "{{UpSQL}}", upsql, -1)
|
|
up = strings.Replace(up, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
|
|
down = strings.Replace(MigrationDown, "{{DownSQL}}", downsql, -1)
|
|
down = strings.Replace(down, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
|
|
}
|
|
|
|
header := strings.Replace(MigrationHeader, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
|
|
header = strings.Replace(header, "{{ddlSpec}}", ddlSpec, -1)
|
|
header = strings.Replace(header, "{{CurrTime}}", today, -1)
|
|
f.WriteString(header + spec + up + down)
|
|
// Run 'gofmt' on the generated source code
|
|
utils.FormatSourceCode(fpath)
|
|
fmt.Fprintf(w, "\t%s%screate%s\t %s%s\n", "\x1b[32m", "\x1b[1m", "\x1b[21m", fpath, "\x1b[0m")
|
|
} else {
|
|
beeLogger.Log.Fatalf("Could not create migration file: %s", err)
|
|
}
|
|
}
|
|
|
|
const (
|
|
MigrationHeader = `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}}"
|
|
{{ddlSpec}}
|
|
migration.Register("{{StructName}}", m)
|
|
}
|
|
`
|
|
|
|
DDLSpecCreate = `
|
|
/*
|
|
refer beego/migration/doc.go
|
|
*/
|
|
func(m *{{StructName}}) ddlSpec(){
|
|
m.CreateTable("{{tableName}}", "InnoDB", "utf8")
|
|
m.PriCol("id").SetAuto(true).SetNullable(false).SetDataType("INT(10)").SetUnsigned(true)
|
|
|
|
}
|
|
`
|
|
DDLSpecAlter = `
|
|
/*
|
|
refer beego/migration/doc.go
|
|
*/
|
|
func(m *{{StructName}}) ddlSpec(){
|
|
m.AlterTable("{{tableName}}")
|
|
|
|
}
|
|
`
|
|
MigrationUp = `
|
|
// Run the migrations
|
|
func (m *{{StructName}}) Up() {
|
|
// use m.SQL("CREATE TABLE ...") to make schema update
|
|
{{UpSQL}}
|
|
}`
|
|
MigrationDown = `
|
|
// Reverse the migrations
|
|
func (m *{{StructName}}) Down() {
|
|
// use m.SQL("DROP TABLE ...") to reverse schema update
|
|
{{DownSQL}}
|
|
}
|
|
`
|
|
)
|