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<?php |
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declare(strict_types=1); |
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namespace aspirantzhang\octopusRevision; |
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use think\facade\Db; |
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use think\Exception; |
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class Revision |
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{ |
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private $tableName; |
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private $i18nTableName; |
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private $originalId; |
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private $revisionId; |
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private $mainTableData; |
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private $i18nTableData; |
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public function __construct(string $tableName, int $originalId) |
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{ |
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$this->tableName = $tableName; |
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$this->i18nTableName = $tableName . '_i18n'; |
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$this->originalId = (int)$originalId; |
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$this->mainTableData = '[]'; |
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$this->i18nTableData = '[]'; |
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} |
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private function setMainTableData(array $data) |
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{ |
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unset($data['id']); |
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$this->mainTableData = json_encode($data); |
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} |
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private function getMainTableData() |
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{ |
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return json_decode($this->mainTableData, true); |
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} |
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private function setI18nTableData(array $data) |
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{ |
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foreach ($data as &$singleI18nRecord) { |
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unset($singleI18nRecord['_id']); |
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} |
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$this->i18nTableData = json_encode($data); |
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} |
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private function getI18nTableData() |
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{ |
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return json_decode($this->i18nTableData, true); |
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} |
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private function i18nTableExists(): bool |
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{ |
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return $this->tableExists($this->i18nTableName); |
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} |
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private function setTableData(): void |
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{ |
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$record = Db::table($this->tableName)->where('id', $this->originalId)->find(); |
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$this->setMainTableData($record); |
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if ($this->i18nTableExists()) { |
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$i18nRecord = Db::table($this->i18nTableName)->where('original_id', $this->originalId)->select()->toArray(); |
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$this->setI18nTableData($i18nRecord); |
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} |
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} |
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private function saveRevision(string $title) |
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{ |
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$currentTime = date('Y-m-d H:i:s'); |
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$data = [ |
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'table_name' => $this->tableName, |
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'original_id' => $this->originalId, |
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'title' => $title, |
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'main_data' => $this->mainTableData, |
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'i18n_data' => $this->i18nTableData, |
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'create_time' => $currentTime, |
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'update_time' => $currentTime |
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]; |
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return Db::name('revision')->insertGetId($data); |
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} |
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public function add(string $title) |
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{ |
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$this->setTableData(); |
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$revisionId = $this->saveRevision($title); |
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return $revisionId; |
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} |
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private function initRevisionData() |
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{ |
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$revision = Db::table('revision')->where('id', $this->revisionId)->find(); |
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if ($revision) { |
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$this->mainTableData = $revision['main_data']; |
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$this->i18nTableData = $revision['i18n_data']; |
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return [ |
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'tableName' => $revision['table_name'], |
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'originalId' => $revision['original_id'], |
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'title' => $revision['title'], |
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]; |
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} |
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return []; |
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} |
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private function ifRevisionMathOriginal(array $revisionData): bool |
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{ |
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return ($revisionData['tableName'] === $this->tableName) && ($revisionData['originalId'] === $this->originalId); |
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} |
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private function updateMainTableData() |
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{ |
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Db::name($this->tableName)->where('id', $this->originalId)->update($this->getMainTableData()); |
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} |
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private function deleteOriginalI18nData() |
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{ |
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Db::table($this->i18nTableName)->where('original_id', $this->originalId)->delete(); |
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} |
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private function insertI18nTableData() |
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{ |
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$num = Db::name($this->i18nTableName)->insertAll($this->getI18nTableData()); |
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var_dump($num); |
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} |
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public function restore(int $revisionId) |
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{ |
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$this->revisionId = $revisionId; |
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$revisionData = $this->initRevisionData(); |
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if (false === $this->ifRevisionMathOriginal($revisionData)) { |
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throw new Exception("The revision does not match the original record."); |
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} |
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$this->updateMainTableData(); |
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$this->deleteOriginalI18nData(); |
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$this->insertI18nTableData(); |
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} |
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private function getAllColumnNamesWithoutId(array $record): array |
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{ |
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$names = array_keys($record); |
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return array_diff($names, ['id', '_id']); |
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} |
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private function tableExists(string $tableName): bool |
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{ |
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try { |
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Db::query("select 1 from `$tableName` LIMIT 1"); |
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} catch (Exception $e) { |
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return false; |
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} |
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return true; |
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} |
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} |
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aspirantzhang /
octopus-revision
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