FEATURE #2048: add basics of permissions management

app/Policies/ContentPolicy.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\User;
+use App\Models\Content\Content;
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+class ContentPolicy extends BasicPolicy
+{
+    use HandlesAuthorization;
+
+    /**
+     * Determine whether the user can view the content.
+     *
+     * @param  \App\Models\User  $user
+     * @param  \App\Models\Content\Content  $content
+     * @return mixed
+     */
+    public function view(User $user, Content $content)
+    {
+        //
+    }
+
+    /**
+     * Determine whether the user can create contents.
+     *
+     * @param  \App\Models\User  $user
+     * @return mixed
+     */
+    public function create(User $user)
+    {
+        return true;
+    }
+
+    /**
+     * Determine whether the user can update the content.
+     *
+     * @param  \App\Models\User  $user
+     * @param  \App\Models\Content\Content  $content
+     * @return mixed
+     */
+    public function update(User $user, Content $content)
+    {
+        if (!$user->hasAbility('update-contents-'.$content->module->alias))
+            return false;
+
+        if ($user->id != $content->user_id) {
+            return $user->hasAbility('update-contents') && $user->hasAbility('update-all-contents');
+        };
+
+        return $user->hasAbility('update-contents');
+    }
+
+    /**
+     * Determine whether the user can delete the content.
+     *
+     * @param  \App\Models\User  $user
+     * @param  \App\Models\Content\Content  $content
+     * @return mixed
+     */
+    public function delete(User $user, Content $content)
+    {
+        return $user->hasAbility('delete-contents');
+    }
+}