Add delete multiple user feature

app/Http/Controllers/UserController.php

@@ -275,6 +275,9 @@ public function destroy(Request $request)
 			if ($user->submissions()->count() > 0){
 				$json_result = array('done' => 0, 'message' => "You must delete users' submission before you can delete user.");
 			}
+			elseif (Auth::user()->id == $user_id) {
+				$json_result = array('done' => 0, 'message' => 'You cannot delete yourself!');
+			}
 			elseif (User::destroy($user_id))
 				$json_result = array('done' => 1);
 			else
@@ -291,7 +294,7 @@ public function delete_submissions(User $user){
 		$i = 0;
 		$json_result = array('done'=>0 , 'count' => 0);
 		foreach ($subs as $sub) {
-			var_dump($sub->directory());
+			// var_dump($sub->directory());
 			shell_exec("rm -rf " . $sub->directory());
 			$sub->delete();
 			$i++;
@@ -361,8 +364,8 @@ public  function add_user($username, $email, $password, $role, $display_name="",
 			'display_name' => $display_name
 		];
 		$validator = Validator::make($user, [
-			'username' => ['required', 'string', 'max:50', 'unique:users'],
-			'email' => ['required', 'string', 'email', 'max:255', 'unique:users'],
+			'username' => ['required', 'string', 'max:50', 'unique:users', 'regex:/^\S*$/'],
+			'email' => ['required', 'string', 'email', 'max:255', 'unique:users', 'regex:/^\S*$/'],
 			'display_name' => ['nullable', 'string', 'max:255'],
 			'password' => ['required', 'string', 'min:8'],
 		]);
@@ -497,8 +500,6 @@ public function set_trial(Request $request){
 			$count = $where_clause->update(['trial_time' => DB::Raw(" TIMESTAMPDIFF(HOUR, `created_at`, '$end_time' )") ,'role_id' => 4 ]  );
 		}
 		// dd($count);
-		return back()->with(['success' => $count ])->withInput()
-		;
+		return back()->with(['success' => $count ])->withInput();
 	}
-
-}
+}

resources/views/users/list.blade.php

@@ -41,16 +41,21 @@
   <a class="ms-4 fs-6 link-dark" href="{{ url('users/add_multiple') }}"><i class="fa fa-user-plus text-success"></i> Add Users</a>
   <a class="ms-4 fs-6 link-dark" href="{{ 'mailto:' .  App\User::pluck('email')->join(',') }}"><i class="fas fa-mail-bulk    "></i> Email all users</a>
   <a class="ms-4 fs-6 link-dark" href="{{route('users.set_trial') }}"><i class="fas fa-highlighter    "></i>Update multiple users trial time</a>
+
 	{{-- <span class="ms-4 fs-6"><a href="{{ url('users/list_excel') }}"><i class="fa fa-download color9"></i> Excel</a></span> --}}
 @endsection
 
 @section('content')
 <a name="" id="copy_user_list" class="btn btn-primary my-2" href="#" role="button"><i class="fas fa-copy    "></i> copy user name list</a>
+@if (Auth::user()->role->name == 'admin')
+  <button id="delete_selected" class="btn btn-danger my-2"><i class="fas fa-trash"></i> Delete selected users</button>
+@endif
 <div class="row">
   <div class="table-responsive">
     <table class="table table-striped table-bordered">
       <thead class="thead-old table-dark">
         <tr>
+          <th></th>
           <th>#</th>
           {{-- <th>User ID</th> --}}
           <th>Username</th>
@@ -64,6 +69,9 @@
       </thead>
       @foreach ($users as $user)
       <tr data-id="{{$user->id}}">
+        <td>
+          <i class="checkbox pointer far fa-circle fa-2x"></i>
+        </td>
         <td> {{$loop->iteration}} </td>
         {{-- <td> {{$user->id}} </td> --}}
         <td id="un"> {{$user->username}} </td>
@@ -176,10 +184,95 @@
 		$("#user_delete").modal("show");
 	});
 
+  let selected_users = [];
+
+  $('.checkbox').click(function() {
+    let username = $(this).parents('tr').find('#un').text().trim();
+    let id = $(this).parents('tr').data('id');
+
+    if ($(this).hasClass('fa-check-circle')) {
+        $(this).removeClass('fa-check-circle').addClass('fa-circle');
+        this.classList.add('fa-circle');
+        selected_users = selected_users.filter(user => user.id !== id && user.username !== username);
+    } else {
+        $(this).removeClass('fa-circle').addClass('fa-check-circle');
+        selected_users.push({
+          id: id,
+          username: username,
+        });
+    }
+    console.log(selected_users)
+  });
+
+  $("#delete_selected").click(function(e) {
+    e.preventDefault();
+    console.log(selected_users)
+
+    if (selected_users.length === 0) return;
+
+    // Show popup
+    let row = $(this).parents('tr');
+    let user_ids = row.data('id');
+    let usernames = row.children('#un').html();
+
+    $(".modal-title").html("Are you sure you want to DELETE these users and their submissions?");
+    $(".modal-body").html('')
+    selected_users.forEach(user => {
+      $(".modal-body").append('User ID: <code>'+user.id+'</code><br>Username: <code>'+user.username+'</code><br><br>');
+    });
+    $("#user_delete").modal("show");
+
+    $(".confirm-user-delete").click(function() {
+      $("#user_delete").modal("hide");
+      selected_users.forEach(async user => {
+
+        // Delete submissions
+        await $.ajax({
+          url: 'users/delete_submissions/'+user.id,
+          type: 'POST',
+          data: {
+            user_id: user.id,
+            "_token": "{{ csrf_token() }}",
+          },
+          error: shj.loading_error,
+          success: function (response){
+              if (response.done) {
+                $.notify('All ' + parseInt(response.count) +' submission(s) ' + 'of User '+user.username +' has been deleted.', {position: 'bottom right', className: 'success', autoHideDelay: 5000});
+              }
+              else {
+                shj.loading_failed(response.message);
+              }
+          }
+        });
+
+        // Delete user
+        await $.ajax({
+          url: '{{ route('users.index') }}/'+user.id,
+          type: 'DELETE',
+          data: {
+            user_id: user.id,
+            "_token": "{{ csrf_token() }}",
+          },
+          error: shj.loading_error,
+          success: function (response){
+              if (response.done) {
+                row.animate({backgroundColor: '#FF7676'},100, function(){row.remove();});
+                $.notify('User '+user.username+' deleted.', {position: 'bottom right', className: 'success', autoHideDelay: 5000});
+              }
+              else {
+                shj.loading_failed(response.message);
+              }
+          }
+        });
+
+      });
+    });
+  });
+
   $("table").DataTable({
-		"pageLength": 50,
-		"lengthMenu": [ [20, 50, 100, 200, -1], [20, 50, 100, 200, "All"] ]
-	});
+    "pageLength": 50,
+    "lengthMenu": [ [20, 50, 100, 200, -1], [20, 50, 100, 200, "All"] ]
+  });
 });
 
 </script>

routes/web.php

@@ -42,6 +42,7 @@
 Route::view('users/set_trial', 'users.set_trial')->name('users.set_trial')->middleware('auth');
 Route::post('users/set_trial', [App\Http\Controllers\UserController::class, 'set_trial'])->name('users.set_trial_post');
 
+
 Route::get('/problems/downloadtestsdesc/{id}', [App\Http\Controllers\problem_controller::class, 'downloadtestsdesc'])->name('problems.downloadtestsdesc');
 Route::get('/problems/downloadpdf/{id}', [App\Http\Controllers\problem_controller::class, 'pdf'])->name('problems.pdf');
 Route::get('/problems/downloadtemplate/{problem_id}/{assignment_id}', [App\Http\Controllers\problem_controller::class, 'template'])->name('problems.template');