Remove custom validation

Use framework provided validation.

commands/ad_delete.go

@@ -16,7 +16,6 @@
 package commands
 
 import (
-	"fmt"
 	handler "odfe-cli/handler/ad"
 
 	"github.com/spf13/cobra"
@@ -35,12 +34,9 @@ var deleteDetectorsCmd = &cobra.Command{
 	Short: "Delete detectors based on a list of IDs, names, or name regex patterns",
 	Long: "Delete detectors based on list of IDs, names, or name regex patterns.\n" +
 		"Wrap regex patterns in quotation marks to prevent the terminal from matching patterns against the files in the current directory.\nThe default input is detector name. Use the `--id` flag if input is detector ID instead of name",
+
+	Args: cobra.MinimumNArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
-		//If no args, display usage
-		if len(args) < 1 {
-			fmt.Println(cmd.Usage())
-			return
-		}
 		force, _ := cmd.Flags().GetBool(detectorForceDeletionFlagName)
 		detectorID, _ := cmd.Flags().GetBool(deleteDetectorIDFlagName)
 		action := handler.DeleteAnomalyDetectorByNamePattern

commands/ad_get.go

@@ -38,12 +38,8 @@ var getDetectorsCmd = &cobra.Command{
 	Short: "Get detectors based on a list of IDs, names, or name regex patterns",
 	Long: "Get detectors based on a list of IDs, names, or name regex patterns.\n" +
 		"Wrap regex patterns in quotation marks to prevent the terminal from matching patterns against the files in the current directory.\nThe default input is detector name. Use the `--id` flag if input is detector ID instead of name",
+	Args: cobra.MinimumNArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
-		//If no args, display usage
-		if len(args) < 1 {
-			fmt.Println(cmd.Usage())
-			return
-		}
 		err := printDetectors(Println, cmd, args)
 		if err != nil {
 			DisplayError(err, getDetectorsCommandName)

commands/ad_start_stop.go

@@ -36,11 +36,8 @@ var startDetectorsCmd = &cobra.Command{
 	Long: "Start detectors based on a list of IDs, names, or name regex patterns.\n" +
 		"Wrap regex patterns in quotation marks to prevent the terminal from matching patterns against the files in the current directory.\n" +
 		"The default input is detector name. Use the `--id` flag if input is detector ID instead of name",
+	Args: cobra.MinimumNArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
-		if len(args) < 1 {
-			fmt.Println(cmd.Usage())
-			return
-		}
 		idStatus, _ := cmd.Flags().GetBool(idFlagName)
 		action := ad.StartAnomalyDetectorByNamePattern
 		if idStatus {

commands/ad_update.go

@@ -16,7 +16,6 @@
 package commands
 
 import (
-	"fmt"
 	handler "odfe-cli/handler/ad"
 
 	"github.com/spf13/cobra"
@@ -35,14 +34,8 @@ var updateDetectorsCmd = &cobra.Command{
 	Long: "Update detectors based on JSON files.\n" +
 		"To begin, use `odfe-cli ad get detector-name > detector_to_be_updated.json` to download the detector. " +
 		"Modify the file, and then use `odfe-cli ad update file-path` to update the detector.",
+	Args: cobra.MinimumNArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
-		//If no args, display usage
-		if len(args) < 1 {
-			if err := cmd.Usage(); err != nil {
-				fmt.Println(err)
-			}
-			return
-		}
 		force, _ := cmd.Flags().GetBool(forceFlagName)
 		start, _ := cmd.Flags().GetBool(startFlagName)
 		err := updateDetectors(args, force, start)