/**
  * @param Sefer $sefer
  * @return bool
  * this function takes sefer object
  * if the sefer is added to the data base it will return true
  * else it will return false
  */
 function Add_Sefer(Sefer $sefer)
 {
     $Sefer_Name = $sefer->getSefer();
     $Sefer_Name_Amharic = $sefer->getSeferAmharic();
     $query = "INSERT INTO sefer (Name,Name_Amharic) VALUES('{$Sefer_Name}','{$Sefer_Name_Amharic}')";
     $result = mysqli_query($this->getDbc(), $query);
     if ($result) {
         return TRUE;
     } else {
         return FALSE;
     }
 }
 function Edit_Sefer(Sefer $Sefer, $Sefer_ID)
 {
     $Name = $Sefer->getSefer();
     $Name_Amharic = $Sefer->getSeferAmharic();
     $query = "UPDATE Wereda set Name='{$Name}',Name_Amharic='{$Name_Amharic}' where ID='{$Sefer_ID}'";
     $result = mysqli_query($this->getDbc(), $query);
     if ($result) {
         return TRUE;
     } else {
         return FALSE;
     }
 }