Separated laravel app to its own folder (#540)

api/app/Policies/WorkspacePolicy.php

@@ -0,0 +1,125 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\User;
+use App\Models\Workspace;
+use App\Models\UserWorkspace;
+use App\Service\UserHelper;
+use Illuminate\Auth\Access\HandlesAuthorization;
+use Illuminate\Auth\Access\Response;
+
+class WorkspacePolicy
+{
+    use HandlesAuthorization;
+
+    /**
+     * Determine whether the user can view any models.
+     *
+     * @return mixed
+     */
+    public function viewAny(User $user)
+    {
+        return true;
+    }
+
+    /**
+     * Determine whether the user can view the model.
+     *
+     * @return mixed
+     */
+    public function view(User $user, Workspace $workspace)
+    {
+        return $user->ownsWorkspace($workspace);
+    }
+
+    /**
+     * Determine whether the user can create models.
+     *
+     * @return mixed
+     */
+    public function create(User $user)
+    {
+        return false;
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     *
+     * @return mixed
+     */
+    public function update(User $user, Workspace $workspace)
+    {
+        return false;
+    }
+
+    /**
+     * Determine whether the user can delete the model.
+     *
+     * @return mixed
+     */
+    public function delete(User $user, Workspace $workspace)
+    {
+        return !$workspace->owners->where('id', $user->id)->isEmpty() && $user->workspaces()->count() > 1;
+    }
+
+    /**
+     * Determine whether the user can restore the model.
+     *
+     * @return mixed
+     */
+    public function restore(User $user, Workspace $workspace)
+    {
+        return false;
+    }
+
+    /**
+     * Determine whether the user can permanently delete the model.
+     *
+     * @return mixed
+     */
+    public function forceDelete(User $user, Workspace $workspace)
+    {
+        return false;
+    }
+
+    public function inviteUser(User $user, Workspace $workspace)
+    {
+        if (!$this->adminAction($user, $workspace)) {
+            return Response::deny('You need to be an admin of this workspace to do this.');
+        }
+
+        // If self-hosted, allow
+        if (!pricing_enabled()) {
+            return Response::allow();
+        }
+
+        if (!$workspace->is_pro) {
+            return Response::deny('You need a Pro subscription to invite a user.');
+        }
+
+        // In case of special license, check license limit
+        $billingOwner = $workspace->billingOwners()->first();
+        if ($license = $billingOwner->activeLicense()) {
+            $userActiveMembers = (new UserHelper($billingOwner))->getActiveMembersCount();
+            if ($userActiveMembers >= $license->max_users_limit_count) {
+                return Response::deny('You have reached the maximum number of users allowed with your license.');
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * Determine whether the user is an admin in the workspace.
+     *
+     * @return mixed
+     */
+    public function adminAction(User $user, Workspace $workspace)
+    {
+        $userWorkspace = UserWorkspace::where('user_id', $user->id)
+            ->where('workspace_id', $workspace->id)
+            ->first();
+        return $userWorkspace && $userWorkspace->role === 'admin';
+    }
+}