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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| <?php | ||
|
|
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| /* | ||
| Question2Answer by Gideon Greenspan and contributors | ||
| http://www.question2answer.org/ | ||
| This program is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU General Public License | ||
| as published by the Free Software Foundation; either version 2 | ||
| of the License, or (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| More about this license: http://www.question2answer.org/license.php | ||
| */ | ||
|
|
||
| abstract class Q2A_Admin_Recalc_AbstractProcessManager | ||
| { | ||
| /** @var string */ | ||
| protected $stateOption; | ||
|
|
||
| /** @var int */ | ||
| protected $currentStepIndex = 0; | ||
|
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| /** @var array */ | ||
| protected $steps; | ||
|
|
||
| /** | ||
| * @return array Return step and process state data | ||
| */ | ||
| public function execute($forceRestart = false) | ||
| { | ||
| $newStep = false; | ||
|
|
||
| try { | ||
| if ($forceRestart) { | ||
| throw new Exception('Force exception'); | ||
| } | ||
|
|
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| $step = $this->loadState(); | ||
|
|
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| if ($step->isFinished()) { | ||
| $this->currentStepIndex++; | ||
|
|
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| if ($this->currentStepIndex >= count($this->steps)) { | ||
| $this->clearState(); | ||
|
|
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| return [ | ||
| 'process_finished' => true, | ||
| 'message' => qa_lang('admin/process_complete'), | ||
| ]; | ||
| } | ||
|
|
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| $newStep = true; | ||
| $step = $this->getCurrentStepInstance(); | ||
| } | ||
| } catch (Exception $e) { | ||
| $step = $this->getCurrentStepInstance(); | ||
| $newStep = true; | ||
| } | ||
|
|
||
| if ($newStep) { | ||
| $step->setup(); | ||
| } else { | ||
| $step->execute(); | ||
| } | ||
|
|
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| $result = [ | ||
| 'step_state' => $step->asArray(), | ||
| 'step_index' => $this->currentStepIndex, | ||
| 'process_finished' => false, | ||
| ]; | ||
| $this->saveState($result); | ||
|
|
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| $result['message'] = $step->getMessage(); | ||
|
|
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| return $result; | ||
| } | ||
|
|
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| /** | ||
| * @throws Exception | ||
| */ | ||
| private function loadState() | ||
| { | ||
| $state = qa_opt($this->stateOption); | ||
| $state = json_decode($state, true); | ||
|
|
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| if (!isset($state['step_index'])) { | ||
| throw new Exception('Nothing to load'); | ||
| } | ||
|
|
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| $this->currentStepIndex = $state['step_index']; | ||
|
|
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| $step = $this->getCurrentStepInstance(); | ||
| $step->loadFromJson($state['step_state']); | ||
|
|
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| return $step; | ||
| } | ||
|
|
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| private function saveState($state) | ||
| { | ||
| qa_opt($this->stateOption, json_encode($state)); | ||
| } | ||
|
|
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| private function clearState() | ||
| { | ||
| qa_opt($this->stateOption, ''); | ||
| } | ||
|
|
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| /** | ||
| * @return Q2A_Admin_Recalc_AbstractStep | ||
| */ | ||
| protected function getCurrentStepInstance() | ||
| { | ||
| // Make sure the step index to instantiate is valid | ||
| $this->currentStepIndex = min(max(0, $this->currentStepIndex), count($this->steps) - 1); | ||
|
|
||
| return new $this->steps[$this->currentStepIndex]; | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| Question2Answer by Gideon Greenspan and contributors | ||
| http://www.question2answer.org/ | ||
| This program is free software; you can redistribute it and/or | ||
| modify it under the terms of the GNU General Public License | ||
| as published by the Free Software Foundation; either version 2 | ||
| of the License, or (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| More about this license: http://www.question2answer.org/license.php | ||
| */ | ||
|
|
||
| abstract class Q2A_Admin_Recalc_AbstractStep | ||
| { | ||
| /** @var int|null */ | ||
| protected $processedItems = 0; | ||
|
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| /** @var int|null */ | ||
| protected $totalItems; | ||
|
|
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| /** @var mixed */ | ||
| protected $nextItemId = 0; | ||
|
|
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| /** @var mixed */ | ||
| protected $lastProcessedItemId = 0; | ||
|
|
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| /** @var bool */ | ||
| protected $isFinished = false; | ||
|
|
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| /** @var string */ | ||
| protected $messageLangId = ''; | ||
|
|
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| abstract public function setup(); | ||
|
|
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| abstract public function execute(); | ||
|
|
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| /** | ||
| * @return array | ||
| */ | ||
| public function asArray() | ||
| { | ||
| return [ | ||
| 'is_finished' => $this->isFinished, | ||
| 'processed_items' => $this->processedItems, | ||
| 'total_items' => $this->totalItems, | ||
| 'next_item_id' => $this->nextItemId, | ||
| 'last_processed_item_id' => $this->lastProcessedItemId, | ||
| ]; | ||
| } | ||
|
|
||
| public function loadFromJson($state) | ||
| { | ||
| $this->isFinished = $state['is_finished']; | ||
| $this->processedItems = $state['processed_items']; | ||
| $this->totalItems = $state['total_items']; | ||
| $this->nextItemId = $state['next_item_id']; | ||
| $this->lastProcessedItemId = $state['last_processed_item_id']; | ||
| } | ||
|
|
||
| /** | ||
| * @return bool | ||
| */ | ||
| public function isFinished() | ||
| { | ||
| return $this->isFinished; | ||
| } | ||
|
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| public function getMessage() | ||
| { | ||
| require_once QA_INCLUDE_DIR . 'app/format.php'; | ||
|
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| return strtr(qa_lang($this->messageLangId), array( | ||
| '^1' => qa_format_number($this->processedItems), | ||
| '^2' => qa_format_number($this->totalItems), | ||
| )); | ||
| } | ||
| } |
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