create loading and handle from js create edit and delete roles

app/Http/Controllers/RolesController.php

@@ -35,18 +35,18 @@ class RolesController extends Controller
     {
         try{
             $request->validate([
-                "name" => "required",
+                "name" => "required|unique:roles,name",
                 "description" => "nullable",
             ]);
 
             DB::beginTransaction();
             Role::create($request->all());
             DB::commit();
-            return redirect()->route("roles.index")->with('success','Succesfully Created');
+            return response()->json(['message' => 'Role created successfully'], 201);
         }
         catch(\Exception $e){
             DB::rollBack();
-            return redirect()->back()->with("error", $e->getMessage());
+            return response()->json(['message' => $e->getMessage()], 500);
         }
     }
 
@@ -83,10 +83,10 @@ class RolesController extends Controller
             DB::beginTransaction();
             $role->update($validatedData);
             DB::commit();
-            return redirect()->route('roles.index')->with('success','Successfully updated');
+            return response()->json(['message' => 'Role updated successfully'], 200);
         }catch(\Exception $e){
             DB::rollBack();
-            return redirect()->back()->with("error", $e->getMessage());
+            return response()->json(['message' => $e->getMessage()], 500);
         }
     }
 
@@ -97,11 +97,13 @@ class RolesController extends Controller
     {
         try{
             DB::beginTransaction();
-            Role::findOrFail($id)->delete();
+            $deleted = Role::findOrFail($id)->delete();
+            info("deleted". $deleted);
             DB::commit();
+            return response()->json(array('success' => true, "message" => "Successfully deleted"));
         }catch(\Exception $e){
             DB::rollBack();
-            return redirect()->back()->with("error", $e->getMessage());
+            return response()->json(array('success' => false, "message" => $e->getMessage()));
         }
     }