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Rewrite the synchronization process (implement #348)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| <?php | ||
|
|
||
| App::uses('Component', 'Controller'); | ||
|
|
||
| class ScanComponent extends Component | ||
| { | ||
| /** | ||
| * Browse the filesystem to find audio files. | ||
| * | ||
| * @param bool $new The function will search for audio files that have not been saved yet, or skip them | ||
| * otherwise. | ||
| * @param bool $orphans The function will search for audio files that exist in the database, but not on the | ||
| * filesystem, or skip them otherwise. | ||
| * @param bool $outdated The function will search for audio files that have been modified on the filesystem since | ||
| * the last synchronization, or skip them otherwise. | ||
| * @param int $batch The maximum size of the response array. Unlimited if set to 0 or less. | ||
| * @return array | ||
| */ | ||
| public function scan($new = true, $orphans = false, $outdated = false, $batch = SYNC_BATCH_SIZE) | ||
| { | ||
| if ($batch <= 0) { | ||
| $batch = false; | ||
| } | ||
|
|
||
| $data = array( | ||
| 'imported' => array(), | ||
| 'to_import' => array(), | ||
| 'to_update' => array(), | ||
| 'to_remove' => array() | ||
| ); | ||
| $Track = ClassRegistry::init('Track'); | ||
| $Rootpath = ClassRegistry::init('Rootpath'); | ||
| $rootpaths = $Rootpath->find('list', array( | ||
| 'fields' => 'rootpath' | ||
| )); | ||
|
|
||
| if (empty($rootpaths)) { | ||
| return $data; | ||
| } | ||
|
|
||
| $imported = $Track->find('all', array( | ||
| 'fields' => array('id', 'source_path', 'updated') | ||
| )); | ||
|
|
||
| $importedPaths = array(); | ||
| $importedUpdates = array(); | ||
| foreach ($imported as $value) { | ||
| $importedPaths[$value['Track']['source_path']] = $value['Track']['id']; | ||
| $importedUpdates[$value['Track']['id']] = $value['Track']['updated']; | ||
| } | ||
|
|
||
| App::uses('Folder', 'Utility'); | ||
| foreach ($rootpaths as $rootpath) { | ||
| $folder = new Folder($rootpath); | ||
| $tree = $folder->tree(); | ||
|
|
||
| foreach ($tree[0] as $directory) { | ||
| $directory = new Folder($directory); | ||
|
|
||
| // Skip symlinks to avoid infinite loops | ||
| if (is_link($directory->path)) { | ||
| continue; | ||
| } | ||
|
|
||
| $foundInThisDirectory = $directory->find('^.*\.(mp3|ogg|flac|aac)$'); | ||
| if (count($foundInThisDirectory) == 0) { | ||
| continue; | ||
| } | ||
|
|
||
| foreach ($foundInThisDirectory as $key => $value) { | ||
| $suffix = Folder::isSlashTerm($directory->path) ? $value : DS . $value; | ||
| $sourcePath = $directory->path . $suffix; | ||
| $index = &$importedPaths[$sourcePath]; | ||
|
|
||
| if ($index === null && $new) { | ||
| $data['to_import'][] = $sourcePath; | ||
| } elseif (filemtime($sourcePath) > strtotime($importedUpdates[$index]) && $outdated) { | ||
| $data['to_update'][] = $index; | ||
| $data['imported'][] = $sourcePath; | ||
| } else { | ||
| $data['imported'][] = $sourcePath; | ||
| } | ||
|
|
||
| $countToImport = count($data['to_import']); | ||
| $countToUpdate = count($data['to_update']); | ||
| if ($batch && ($countToImport == $batch || $countToUpdate == $batch)) { | ||
| break 3; | ||
| } else { | ||
| continue; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if ($orphans) { | ||
| $data['to_remove'] = []; | ||
| foreach ($importedPaths as $path => $id) { | ||
| if ( | ||
| !isset(array_flip($data['to_import'])[$path]) && | ||
| !isset(array_flip($data['imported'])[$path]) | ||
| ) { | ||
| $data['to_remove'][] = $id; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return $data; | ||
| } | ||
| } |
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