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<?php |
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namespace HM\BackUpWordPress; |
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/** |
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* Manages status and progress of a backup |
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*/ |
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class Backup_Status { |
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private $filename = ''; |
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public function __construct( $id ) { |
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$this->id = $id; |
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} |
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public function start( $backup_filename, $status_message ) { |
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$this->filename = $backup_filename; |
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$this->set_status( $status_message ); |
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} |
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public function get_backup_filename() { |
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if ( $this->is_started() ) { |
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$status = json_decode( file_get_contents( $this->get_status_filepath() ) ); |
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if ( ! empty( $status->filename ) ) { |
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$this->filename = $status->filename; |
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} |
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} |
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return $this->filename; |
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} |
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public function is_started() { |
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return (bool) file_exists( $this->get_status_filepath() ); |
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} |
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public function finish() { |
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// Delete the backup running file |
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if ( file_exists( $this->get_status_filepath() ) ) { |
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unlink( $this->get_status_filepath() ); |
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} |
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} |
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/** |
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* Get the status of the running backup. |
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* |
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* @return string |
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*/ |
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public function get_status() { |
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if ( ! file_exists( $this->get_status_filepath() ) ) { |
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return ''; |
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} |
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$status = json_decode( file_get_contents( $this->get_status_filepath() ) ); |
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if ( ! empty( $status->status ) ) { |
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return $status->status; |
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} |
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return ''; |
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} |
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/** |
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* Set the status of the running backup |
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* |
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* @param string $message |
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* |
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* @return null |
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*/ |
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public function set_status( $message ) { |
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// If start hasn't been called yet then we wont' have a backup filename |
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if ( ! $this->filename ) { |
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return ''; |
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} |
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$status = json_encode( (object) array( |
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'filename' => $this->filename, |
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'started' => $this->get_start_time(), |
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'status' => $message, |
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) ); |
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file_put_contents( $this->get_status_filepath(), $status ); |
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} |
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/** |
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* Get the time that the current running backup was started |
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* |
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* @return int $timestamp |
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*/ |
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public function get_start_time() { |
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if ( ! file_exists( $this->get_status_filepath() ) ) { |
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return 0; |
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} |
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$status = json_decode( file_get_contents( $this->get_status_filepath() ) ); |
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if ( ! empty( $status->started ) && (int) (string) $status->started === $status->started ) { |
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return $status->started; |
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} |
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return time(); |
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} |
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/** |
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* Get the path to the backup running file that stores the running backup status |
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* |
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* @return string |
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*/ |
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public function get_status_filepath() { |
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return Path::get_path() . '/.backup-' . $this->id . '-running'; |
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} |
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} |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: