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Richard Dern
321
app/Services/Importer.php
Executable file
321
app/Services/Importer.php
Executable file
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<?php
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namespace App\Services;
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use App\Models\Document;
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use App\Models\Feed;
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use App\Models\Folder;
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use App\Models\Group;
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use App\Models\Highlight;
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use App\Models\IgnoredFeed;
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use App\Models\User;
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use Illuminate\Http\Request;
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/**
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* Imports data in Cyca.
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*/
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class Importer
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{
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/**
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* Adapter used to import data.
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*
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* @var \App\Contracts\ImportAdapter
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*/
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protected $importAdapter;
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/**
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* User to import data for.
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*
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* @var \App\Models\User
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*/
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protected $forUser;
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/**
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* Folder to import bookmarks and feeds to.
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*
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* @var \App\Models\Folder
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*/
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protected $inFolder;
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/**
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* Should we import highlights as well ?
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*
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* @var bool
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*/
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protected $withHighlights = true;
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/**
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* Data to be imported as an array.
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*
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* @var array
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*/
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protected $dataArray = [];
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/**
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* Group to import data to.
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*
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* @var \App\Models\Group
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*/
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protected $inGroup;
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/**
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* Indicates which adapter to use for importation.
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*
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* @param string $adapterName
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*
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* @return self
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*/
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public function using($adapterName)
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{
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$className = config(sprintf('importers.adapters.%s.adapter', $adapterName));
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if (empty($className)) {
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abort(422, sprintf('Unknown import adapter %s', $className));
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}
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$this->importAdapter = new $className();
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return $this;
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}
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/**
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* Defines which user to import data for. If not defined, user will be
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* extracted from request.
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*
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* @return self
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*/
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public function forUser(User $user)
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{
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$this->forUser = $user;
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return $this;
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}
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/**
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* Defines the group to import data to.
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*
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* @return self
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*/
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public function inGroup(Group $group)
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{
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$this->inGroup = $group;
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return $this;
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}
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/**
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* Defines in which folder data will be imported to. If not defined, root
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* folder attached to specified user will be used.
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*
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* @return self
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*/
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public function inFolder(Folder $folder)
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{
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$this->inFolder = $folder;
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return $this;
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}
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/**
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* Should we ignore highlights during import ? By default, highlights will
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* be imported as well.
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*
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* @return self
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*/
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public function withoutHighlights()
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{
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$this->withHighlights = false;
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return $this;
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}
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/**
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* Import data from specified file. Must be a valid json file, valid from
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* Cyca's architecture point of view.
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*
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* @param string $path Full path to file to import
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*
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* @return self
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*/
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public function fromFile($path)
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{
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if (empty($this->forUser)) {
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abort(422, 'Target user not specified');
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}
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$contents = file_get_contents($path);
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if (empty($contents)) {
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abort(422, 'File does not exists');
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}
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$this->dataArray = json_decode($contents, true);
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return $this;
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}
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/**
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* Import data using current request informations.
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*
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* @return self
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*/
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public function fromRequest(Request $request)
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{
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if (empty($this->importAdapter)) {
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$this->using($request->input('importer'));
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}
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if (empty($this->importAdapter)) {
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abort(422, 'An import adapter must be specified');
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}
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if (empty($this->forUser)) {
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$this->forUser = $request->user();
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}
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$this->dataArray = $this->importAdapter->importFromRequest($request);
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return $this;
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}
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/**
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* Perform the import.
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*/
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public function import()
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{
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if (empty($this->inGroup)) {
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$this->inGroup = $this->forUser->groups()->wherePivot('status', '=', 'own')->first();
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}
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if (empty($this->inFolder)) {
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$this->inFolder = $this->inGroup->folders()->ofType('root')->first();
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}
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if ($this->withHighlights && !empty($this->dataArray['highlights'])) {
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$this->importHighlights($this->dataArray['highlights']);
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}
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if (!empty($this->dataArray['bookmarks'])) {
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$this->importBookmarks($this->dataArray['bookmarks']);
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}
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}
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/**
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* Import highlights from specified array.
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*
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* @param array $highlights
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*/
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protected function importHighlights($highlights)
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{
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foreach ($highlights as $highlightData) {
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$highlight = Highlight::where('user_id', $this->forUser->id)->where('expression', $highlightData['expression'])->first();
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if (!$highlight) {
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$highlight = new Highlight();
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$highlight->user_id = $this->forUser->id;
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$highlight->expression = $highlightData['expression'];
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$highlight->color = $highlightData['color'];
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$highlight->save();
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}
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}
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}
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/**
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* Import bookmarks from specified array.
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*
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* @param array $bookmarks
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*/
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protected function importBookmarks($bookmarks)
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{
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$this->importDocuments($this->inFolder, $bookmarks['documents'] ?: []);
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$this->importFolders($this->inFolder, $bookmarks['folders'] ?: []);
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}
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/**
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* Import folders.
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*
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* @param \App\Models\Folder Destination folder
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* @param array $foldersData Array of sub-folders definitions
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* @param mixed $folder
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*/
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protected function importFolders($folder, $foldersData)
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{
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foreach ($foldersData as $folderData) {
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$children = $this->inGroup->folders()->save(new Folder([
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'title' => $folderData['title'],
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'parent_id' => $folder->id,
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'user_id' => $this->forUser->id,
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]));
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$this->importDocuments($children, $folderData['documents']);
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$this->importFolders($children, $folderData['folders']);
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}
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}
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/**
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* Import documents.
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*
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* @param \App\Models\Folder Destination folder
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* @param array $documentsData Array of documents definitions
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* @param mixed $folder
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*/
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protected function importDocuments($folder, $documentsData)
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{
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foreach ($documentsData as $docData) {
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if (empty($docData['url'])) {
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continue;
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}
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$url = urldecode($docData['url']);
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$document = Document::firstOrCreate(['url' => $url]);
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if (array_key_exists('feeds', $docData)) {
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$this->importFeeds($document, $docData['feeds']);
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}
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$folder->documents()->save($document, [
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'initial_url' => $url,
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]);
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}
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}
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/**
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* Import feeds.
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*
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* @param \App\Models\Document $document Destination document
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* @param array $feedsData Array of feeds definitions
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*/
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protected function importFeeds($document, $feedsData)
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{
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$feedsToAttach = $document->feeds()->get()->pluck('id')->all();
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foreach ($feedsData as $feedData) {
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if (empty($feedData['url'])) {
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continue;
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}
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$feedUrl = urldecode($feedData['url']);
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$feed = Feed::firstOrCreate(['url' => $feedUrl]);
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$feedsToAttach[] = $feed->id;
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if ($feedData['is_ignored']) {
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$ignoredFeed = IgnoredFeed::where('user_id', $this->forUser->id)->where('feed_id', $feed->id)->first();
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if (!$ignoredFeed) {
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$ignoredFeed = new IgnoredFeed();
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$ignoredFeed->user()->associate($this->forUser);
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$ignoredFeed->feed()->associate($feed);
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$ignoredFeed->save();
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}
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}
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}
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$document->feeds()->sync($feedsToAttach);
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}
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}
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