Add override param to bee generate appcode

Add override param to bee generate appcode, then users could make a decision to override generated files in command line

cmd/commands/generate/generate.go

@@ -59,7 +59,7 @@ var CmdGenerate = &commands.Command{
 
   ▶ {{"To generate appcode based on an existing database:"|bold}}
 
-     $ bee generate appcode [-tables=""] [-driver=mysql] [-conn="root:@tcp(127.0.0.1:3306)/test"] [-level=3]
+     $ bee generate appcode [-tables=""] [-driver=mysql] [-conn="root:@tcp(127.0.0.1:3306)/test"] [-level=3] [-override=n]
 `,
 	PreRun: func(cmd *commands.Command, args []string) { version.ShowShortVersionBanner() },
 	Run:    GenerateCode,
@@ -72,6 +72,7 @@ func init() {
 	CmdGenerate.Flag.Var(&generate.Level, "level", "Either 1, 2 or 3. i.e. 1=models; 2=models and controllers; 3=models, controllers and routers.")
 	CmdGenerate.Flag.Var(&generate.Fields, "fields", "List of table Fields.")
 	CmdGenerate.Flag.Var(&generate.DDL, "ddl", "Generate DDL Migration")
+	CmdGenerate.Flag.Var(&generate.Override, "override", "Override generated files or not.")
 	commands.AvailableCommands = append(commands.AvailableCommands, CmdGenerate)
 }
 
@@ -160,10 +161,16 @@ func appCode(cmd *commands.Command, args []string, currpath string) {
 	if generate.Level == "" {
 		generate.Level = "3"
 	}
+
+	if generate.Override == "" {
+		generate.Override = "n"
+	}
+
 	beeLogger.Log.Infof("Using '%s' as 'SQLDriver'", generate.SQLDriver)
 	beeLogger.Log.Infof("Using '%s' as 'SQLConn'", generate.SQLConn)
 	beeLogger.Log.Infof("Using '%s' as 'Tables'", generate.Tables)
 	beeLogger.Log.Infof("Using '%s' as 'Level'", generate.Level)
+	beeLogger.Log.Infof("Using '%s' as 'Override'", generate.Override)
 	generate.GenerateAppcode(generate.SQLDriver.String(), generate.SQLConn.String(), generate.Level.String(), generate.Tables.String(), currpath)
 }
 func migration(cmd *commands.Command, args []string, currpath string) {

generate/g.go

@@ -22,3 +22,4 @@ var Level utils.DocValue
 var Tables utils.DocValue
 var Fields utils.DocValue
 var DDL utils.DocValue
+var Override utils.DocValue

generate/g_appcode.go

@@ -732,6 +732,7 @@ func writeSourceFiles(pkgPath string, tables []*Table, mode byte, paths *MvcPath
 	if (OModel & mode) == OModel {
 		beeLogger.Log.Info("Creating model files...")
 		writeModelFiles(tables, paths.ModelPath, selectedTables)
+
 	}
 	if (OController & mode) == OController {
 		beeLogger.Log.Info("Creating controller files...")
@@ -759,8 +760,7 @@ func writeModelFiles(tables []*Table, mPath string, selectedTables map[string]bo
 		var f *os.File
 		var err error
 		if utils.IsExist(fpath) {
-			beeLogger.Log.Warnf("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath)
-			if utils.AskForConfirmation() {
+			if Override == "y" || utils.WarningBeforeAskForConfirmation("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath) {
 				f, err = os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC, 0666)
 				if err != nil {
 					beeLogger.Log.Warnf("%s", err)
@@ -824,8 +824,7 @@ func writeControllerFiles(tables []*Table, cPath string, selectedTables map[stri
 		var f *os.File
 		var err error
 		if utils.IsExist(fpath) {
-			beeLogger.Log.Warnf("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath)
-			if utils.AskForConfirmation() {
+			if Override == "y" || utils.WarningBeforeAskForConfirmation("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath) {
 				f, err = os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC, 0666)
 				if err != nil {
 					beeLogger.Log.Warnf("%s", err)
@@ -880,8 +879,7 @@ func writeRouterFile(tables []*Table, rPath string, selectedTables map[string]bo
 	var f *os.File
 	var err error
 	if utils.IsExist(fpath) {
-		beeLogger.Log.Warnf("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath)
-		if utils.AskForConfirmation() {
+		if Override == "y" || utils.WarningBeforeAskForConfirmation("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath) {
 			f, err = os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC, 0666)
 			if err != nil {
 				beeLogger.Log.Warnf("%s", err)

utils/utils.go

@@ -157,6 +157,12 @@ func AskForConfirmation() bool {
 	}
 }
 
+// print a warning message before calling AskForConfirmation()
+func WarningBeforeAskForConfirmation(warning string, fpath string) bool {
+	beeLogger.Log.Warnf(warning, fpath)
+	return AskForConfirmation()
+}
+
 func containsString(slice []string, element string) bool {
 	for _, elem := range slice {
 		if elem == element {