first commit

common/Admin/Appearance/Themes/CssThemePolicy.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Common\Admin\Appearance\Themes;
+
+use Common\Auth\BaseUser;
+use Common\Core\Policies\BasePolicy;
+
+class CssThemePolicy extends BasePolicy
+{
+    public function index(BaseUser $user, $userId = null)
+    {
+        return $user->hasPermission('cssTheme.view') || $user->id === (int) $userId;
+    }
+
+    public function show(BaseUser $user, CssTheme $cssTheme)
+    {
+        return $user->hasPermission('cssTheme.view') || $cssTheme->user_id === $user->id;
+    }
+
+    public function store(BaseUser $user)
+    {
+        return $user->hasPermission('cssTheme.create');
+    }
+
+    public function update(BaseUser $user, CssTheme $cssTheme)
+    {
+        return $user->hasPermission('cssTheme.update') || $cssTheme->user_id === $user->id;
+    }
+
+    public function destroy(BaseUser $user, CssTheme $theme)
+    {
+        if ($theme->default_dark && app(CssTheme::class)->where('default_dark', true)->count() < 2)  {
+            return $this->deny("Default dark theme can't be deleted");
+        }
+
+        if ($theme->default_light && app(CssTheme::class)->where('default_light', true)->count() < 2) {
+            return $this->deny("Default light theme can't be deleted");
+        }
+
+        if (app(CssTheme::class)->count() <= 1) {
+            return $this->deny("All themes can't be deleted");
+        }
+
+        return $user->hasPermission('cssTheme.delete') || $theme->user_id === $user->id;
+    }
+}