File Explorer update + Permission update

app/GoogleDriveFile.php

@@ -3,9 +3,25 @@
 namespace App;
 
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Storage;
+use League\Flysystem\FileNotFoundException;
+use mysql_xdevapi\Exception;
 
 class GoogleDriveFile extends Model
 {
+    protected $primaryKey = 'id'; // or null
+
+    public $incrementing = false;
+
+    // In Laravel 6.0+ make sure to also set $keyType
+    protected $keyType = 'string';
+
+    protected $casts = [
+        'rank_permission' => 'array',
+        'job_permission' => 'array',
+        'user_permission' => 'array',
+    ];
+
     public static function icon($extension)
     {
         $icon = "fas fa-file";
@@ -37,4 +53,204 @@ class GoogleDriveFile extends Model
         }
         return $icon;
     }
+
+    public static function checkConfig()
+    {
+        $configNull = (\Crypt::decryptString(\App\Config::getData('GOOGLE_DRIVE_CLIENT_ID')) != "" && \Crypt::decryptString(\App\Config::getData('GOOGLE_DRIVE_CLIENT_SECRET')) != "" && \Crypt::decryptString(\App\Config::getData('GOOGLE_DRIVE_REFRESH_TOKEN')) != "" && \Crypt::decryptString(\App\Config::getData('GOOGLE_DRIVE_FOLDER_ID')) != "");
+        $configOk = true;
+
+        if ($configNull)
+        {
+            try {
+                \Storage::cloud()->listContents("/", false);
+            }
+            catch (\Exception $e)
+            {
+                $configOk = false;
+            }
+        }
+
+        return $configNull && $configOk;
+    }
+
+    public static function findByName($name)
+    {
+        return GoogleDriveFile::where('name','=',$name)->get()->first();
+    }
+
+    public static function findByPath($path)
+    {
+        return GoogleDriveFile::where('path','=',$path)->get()->first();
+    }
+
+    public static function findByPathInDrive($path,$current_directory = '/')
+    {
+        if ($path != "")
+        {
+            $exploded_path = explode('/',$path);
+            if ($exploded_path[0] == "")
+            {
+                array_splice($exploded_path,0,1);
+            }
+            $contents = collect(Storage::cloud()->listContents($current_directory, false));
+
+            $dir = $contents->where('type', '=', 'dir')
+                ->where('name', '=', $exploded_path[0])
+                ->first();
+
+            if ( ! $dir)
+            {
+                return false;
+            }
+            else
+            {
+                array_splice($exploded_path,0,1);
+                $newPath = implode('/',$exploded_path);
+                if ($newPath == "")
+                {
+                    return $dir['basename'];
+                }
+                else
+                {
+                    return GoogleDriveFile::findByPathInDrive($newPath,$dir['basename']);
+                }
+            }
+        }
+        return true;
+    }
+
+    public static function createByPathInDrive($path,$current_directory = '/')
+    {
+        if ($path != "")
+        {
+            $exploded_path = explode('/',$path);
+            $size = count($exploded_path);
+            if ($size > 1)
+            {
+                $parent = self::findByName($exploded_path[$size-2]);
+                \Storage::cloud()->createDir($parent->id.'/'.$exploded_path[$size-1]);
+            }
+            else
+            {
+                \Storage::cloud()->createDir('/'.$exploded_path[$size-1]);
+            }
+            return self::findByPathInDrive($path);
+        }
+        return false;
+    }
+
+    public function setPermission($subject, $value)
+    {
+        $explodedSubject = explode('.',$subject);
+        $subject = $explodedSubject[0];
+        $id = $explodedSubject[1];
+
+        $permission = null;
+        if ($subject == 'rank')
+        {
+            $permission = $this->rank_permission;
+        }
+        elseif ($subject == 'job')
+        {
+            $permission = $this->job_permission;
+        }
+        elseif ($subject == 'user')
+        {
+            $permission = $this->user_permission;
+        }
+
+         [$id] = $value;
+
+        if ($subject == 'rank')
+        {
+            $this->rank_permission = $permission;
+        }
+        elseif ($subject == 'job')
+        {
+            $this->job_permission = $permission;
+        }
+        elseif ($subject == 'user')
+        {
+            $this->user_permission = $permission;
+        }
+        $this->save();
+    }
+
+    public function getAllPermission($subject)
+    {
+        $permission = null;
+        if ($subject == 'rank')
+        {
+            $permission = $this->rank_permission;
+        }
+        elseif ($subject == 'job')
+        {
+            $permission = $this->job_permission;
+        }
+        elseif ($subject == 'user')
+        {
+            $permission = $this->user_permission;
+        }
+
+        return $permission;
+    }
+
+    public function getPermission($subject)
+    {
+        $explodedSubject = explode('.',$subject);
+        $subject = $explodedSubject[0];
+        $id = $explodedSubject[1];
+
+        if (isset($this->getAllPermission($subject)[$id]))
+        {
+            return $this->getAllPermission($subject)[$id];
+        }
+        else
+        {
+            return '';
+        }
+    }
+
+    public function canUser($user, $permission = 'r')
+    {
+        if (strpos($this->getPermission('rank.0'),$permission) !== false)
+        {
+            return true;
+        }
+        if (strpos($this->getPermission('user.'.$user->id),$permission) === false)
+        {
+            if (strpos($this->getPermission('job.'.$user->job->id),$permission) === false)
+            {
+                if (strpos($this->getPermission('rank.'.$user->rank->id),$permission) === false)
+                {
+                    return false;
+                }
+
+            }
+        }
+        return true;
+    }
+
+    public function canAuthUser($perm = 'r')
+    {
+        return $this->canUser(\Auth::user(),$perm);
+    }
+
+    public static function getPermForUser($folder,$user,$perm = 'r')
+    {
+        $dir = \App\GoogleDriveFile::find($folder);
+        if ($dir == null)
+        {
+            return false;
+        }
+        else
+        {
+            return $dir->canUser($user,$perm);
+        }
+    }
+
+    public static function getPermForAuthUser($folder,$perm = 'r')
+    {
+        return self::getPermForUser($folder,\Auth::user(),$perm);
+    }
 }