Update.php
67 lines
| 1 | <?php |
| 2 | |
| 3 | if ( ! defined( 'ABSPATH' ) ) { |
| 4 | exit; |
| 5 | } |
| 6 | |
| 7 | /** |
| 8 | * Class AC_Plugin_Update |
| 9 | * |
| 10 | * Assumes this regex for versions: ^[1-9]\.[0-9]\.[1-9][0-9]?$ |
| 11 | */ |
| 12 | abstract class AC_Plugin_Update { |
| 13 | |
| 14 | /** |
| 15 | * @var string |
| 16 | */ |
| 17 | protected $stored_version; |
| 18 | |
| 19 | /** |
| 20 | * @var string |
| 21 | */ |
| 22 | protected $version; |
| 23 | |
| 24 | public function __construct( $stored_version ) { |
| 25 | $this->stored_version = $stored_version; |
| 26 | $this->set_version(); |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * Check if this update needs to be applied |
| 31 | * |
| 32 | * @return bool |
| 33 | */ |
| 34 | public function needs_update() { |
| 35 | return $this->is_less_or_equal_stored_version(); |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * @return bool |
| 40 | */ |
| 41 | protected function is_less_or_equal_stored_version() { |
| 42 | return version_compare( $this->version, $this->stored_version, '>' ); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * Apply this update |
| 47 | * |
| 48 | * @return void |
| 49 | */ |
| 50 | public abstract function apply_update(); |
| 51 | |
| 52 | /** |
| 53 | * @return string |
| 54 | */ |
| 55 | public function get_version() { |
| 56 | return $this->version; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Set the version this update applies to |
| 61 | * |
| 62 | * @return void |
| 63 | */ |
| 64 | protected abstract function set_version(); |
| 65 | |
| 66 | } |
| 67 |