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| 1 | <?php |
| 2 | /** |
| 3 | * Backup_Importer file. |
| 4 | * |
| 5 | * @package wpcomsh |
| 6 | */ |
| 7 | |
| 8 | namespace Imports; |
| 9 | |
| 10 | use WP_Error; |
| 11 | |
| 12 | /** |
| 13 | * Abstract class representing a backup importer. |
| 14 | * |
| 15 | * This class provides a common interface for all backup importers. |
| 16 | */ |
| 17 | abstract class Backup_Importer { |
| 18 | /** |
| 19 | * The path to the ZIP or TAR file to be imported. |
| 20 | * |
| 21 | * @var string |
| 22 | */ |
| 23 | protected $zip_or_tar_file_path; |
| 24 | |
| 25 | /** |
| 26 | * The path where the backup will be imported. |
| 27 | * |
| 28 | * @var string |
| 29 | */ |
| 30 | protected $destination_path; |
| 31 | |
| 32 | /** |
| 33 | * The table prefix to use when generating database temporary tables. |
| 34 | * |
| 35 | * @var string |
| 36 | */ |
| 37 | protected $tmp_prefix; |
| 38 | |
| 39 | /** |
| 40 | * The temporary database name. |
| 41 | * |
| 42 | * @var string |
| 43 | */ |
| 44 | protected $tmp_database; |
| 45 | |
| 46 | /** |
| 47 | * Constructor. |
| 48 | * |
| 49 | * @param string $zip_or_tar_file_path The path to the ZIP or TAR file to be imported. |
| 50 | * @param string $destination_path The path where the backup will be imported. |
| 51 | * @param string $tmp_prefix The table prefix to use when importing the database. |
| 52 | */ |
| 53 | public function __construct( string $zip_or_tar_file_path, string $destination_path, string $tmp_prefix ) { |
| 54 | $this->zip_or_tar_file_path = $zip_or_tar_file_path; |
| 55 | $this->destination_path = trailingslashit( $destination_path ); |
| 56 | $this->tmp_prefix = $tmp_prefix; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Preprocess the backup before importing. |
| 61 | * |
| 62 | * This method should be implemented by subclasses to perform any necessary preprocessing. |
| 63 | * |
| 64 | * @return bool|WP_Error True on success, or a WP_Error on failure. |
| 65 | */ |
| 66 | abstract public function preprocess(); |
| 67 | |
| 68 | /** |
| 69 | * Process the files in the backup. |
| 70 | * |
| 71 | * This method should be implemented by subclasses to process the files in the backup. |
| 72 | * |
| 73 | * @return bool|WP_Error True on success, or a WP_Error on failure. |
| 74 | */ |
| 75 | abstract public function process_files(); |
| 76 | |
| 77 | /** |
| 78 | * Recreate the database from the backup. |
| 79 | * |
| 80 | * This method should be implemented by subclasses to recreate the database from the backup. |
| 81 | * |
| 82 | * @return bool|WP_Error True on success, or a WP_Error on failure. |
| 83 | */ |
| 84 | abstract public function recreate_database(); |
| 85 | |
| 86 | /** |
| 87 | * Postprocess the database after importing. |
| 88 | * |
| 89 | * This method should be implemented by subclasses to perform any necessary postprocessing. |
| 90 | * |
| 91 | * @return bool|WP_Error True on success, or a WP_Error on failure. |
| 92 | */ |
| 93 | abstract public function postprocess_database(); |
| 94 | |
| 95 | /** |
| 96 | * Clean up after the import. |
| 97 | * |
| 98 | * This method should be implemented by subclasses to clean up any temporary files or data. |
| 99 | * |
| 100 | * @return bool|WP_Error True on success, or a WP_Error on failure. |
| 101 | */ |
| 102 | abstract public function clean_up(); |
| 103 | |
| 104 | /** |
| 105 | * Verify the integrity of the site after importing. |
| 106 | * |
| 107 | * This method should be implemented by subclasses to verify the integrity of the site after importing. |
| 108 | * |
| 109 | * @return bool|WP_Error True on success, or a WP_Error on failure. |
| 110 | */ |
| 111 | abstract public function verify_site_integrity(); |
| 112 | } |