// Generate generates migration templates.
func (g *migrationGenerator) Generate() {
name := g.flag.Arg(0)
if name == "" {
util.PanicOnError(g, "abort: no NAME given")
}
tx := kocha.TxTypeMap[g.txType]
if tx == nil {
util.PanicOnError(g, "abort: unsupported transaction type: `%v`", g.txType)
}
now := Now().Format("20060102150405")
data := map[string]interface{}{
"Name": util.ToCamelCase(name),
"TimeStamp": now,
"ImportPath": tx.ImportPath(),
"TxType": reflect.TypeOf(tx.TransactionType()).String(),
}
util.CopyTemplate(g,
filepath.Join(SkeletonDir("migration"), "migration.go.template"),
filepath.Join("db", "migrations", fmt.Sprintf("%v_%v.go", now, util.ToSnakeCase(name))), data)
initPath := filepath.Join("db", "migrations", "init.go")
if _, err := os.Stat(initPath); os.IsNotExist(err) {
appDir, err := util.FindAppDir()
if err != nil {
panic(err)
}
util.CopyTemplate(g,
filepath.Join(SkeletonDir("migration"), "init.go.template"),
initPath, map[string]interface{}{
"typeName": g.txType,
"tx": strings.TrimSpace(util.GoString(tx)),
"dbImportPath": path.Join(appDir, "db"),
})
}
}
// Run generates migration templates.
func (c *generateMigrationCommand) Run(args []string) error {
if len(args) < 1 || args[0] == "" {
return fmt.Errorf("no NAME given")
}
name := args[0]
if c.option.ORM == "" {
c.option.ORM = defaultORM
}
orm, exists := ORM[c.option.ORM]
if !exists {
return fmt.Errorf("unsupported ORM: `%v'", c.option.ORM)
}
now := _time.Now().Format("20060102150405")
data := map[string]interface{}{
"Name": util.ToCamelCase(name),
"TimeStamp": now,
"ImportPath": orm.ImportPath(),
"TxType": reflect.TypeOf(orm.TransactionType()).String(),
}
if err := util.CopyTemplate(
filepath.Join(skeletonDir("migration"), "migration.go"+util.TemplateSuffix),
filepath.Join("db", "migration", fmt.Sprintf("%v_%v.go", now, util.ToSnakeCase(name))),
data,
); err != nil {
return err
}
initPath := filepath.Join("db", "migration", "init.go")
if _, err := os.Stat(initPath); os.IsNotExist(err) {
appDir, err := util.FindAppDir()
if err != nil {
return err
}
if err := util.CopyTemplate(
filepath.Join(skeletonDir("migration"), "init.go"+util.TemplateSuffix),
initPath, map[string]interface{}{
"typeName": c.option.ORM,
"tx": strings.TrimSpace(util.GoString(orm)),
"dbImportPath": path.Join(appDir, "db"),
},
); err != nil {
return err
}
}
return nil
}
func (ts appTemplateSet) GoString() string {
return util.GoString(map[string]map[string]map[string]*template.Template(ts))
}
func (mt methodTypes) GoString() string {
return util.GoString(map[string]map[string]string(mt))
}