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<?php |
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/** |
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* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License |
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*/ |
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/** |
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* Cached revision history for the object |
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* |
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* @package midcom.services.rcs |
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*/ |
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class midcom_services_rcs_history |
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{ |
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/** |
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* @var array |
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*/ |
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private $data; |
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public function __construct(array $history) |
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{ |
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$this->data = $history; |
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} |
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/** |
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* Returns all versions (newest first) |
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*/ |
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public function all() : array |
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{ |
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return $this->data; |
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} |
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/** |
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* Check if a revision exists |
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*/ |
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public function version_exists(string $version) : bool |
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{ |
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return array_key_exists($version, $this->data); |
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} |
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/** |
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* Get the previous versionID |
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*/ |
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public function get_prev_version(string $version) : ?string |
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{ |
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$versions = array_keys($this->data); |
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$position = array_search($version, $versions); |
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if (in_array($position, [false, count($versions) - 1], true)) { |
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return null; |
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} |
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return $versions[$position + 1]; |
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} |
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/** |
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* Get the next versionID |
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*/ |
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public function get_next_version(string $version) : ?string |
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{ |
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$versions = array_keys($this->data); |
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$position = array_search($version, $versions); |
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if (in_array($position, [false, 0], true)) { |
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return null; |
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} |
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return $versions[$position - 1]; |
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} |
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/** |
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* Get the metadata of one revision. |
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*/ |
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public function get($revision) : ?array |
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{ |
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return $this->data[$revision] ?? null; |
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} |
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/** |
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* Get the metadata of the first (oldest) revision. |
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*/ |
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public function get_first() : ?array |
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{ |
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return end($this->data) ?: null; |
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} |
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/** |
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* Get the metadata of the last (newest) revision. |
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*/ |
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public function get_last() : ?array |
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{ |
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return reset($this->data) ?: null; |
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} |
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} |
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flack /
openpsa
