Separated laravel app to its own folder (#540)

api/app/Exceptions/Workspaces/WorkspaceAlreadyExisting.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Exceptions\Workspaces;
+
+use App\Models\Workspace;
+use Exception;
+
+class WorkspaceAlreadyExisting extends Exception
+{
+    public function __construct(public Workspace $workspace)
+    {
+    }
+
+    public function getErrorMessage()
+    {
+        $owner = $this->workspace->users()->first();
+        if (! $owner) {
+            return 'A user already connected that workspace to another NotionForms account. You or the current workspace
+             owner must have a NotionForms Enterprise subscription for you to add this Notion workspace. Please upgrade
+             with an Enterprise subscription, or contact us to get help.';
+        }
+
+        return '"'.$owner->name.'" already connected that workspace to his NotionForms account. In order to collaborate,
+         one of you must have a NotionForms Enterprise subscription. Please upgrade or contact us to get help.';
+    }
+}

api/app/Exceptions/Workspaces/WorkspaceLimit.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Exceptions\Workspaces;
+
+use Exception;
+
+class WorkspaceLimit extends Exception
+{
+    //
+}