90 lines
2.9 KiB
PHP
90 lines
2.9 KiB
PHP
<?php namespace BookStack\Actions;
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use BookStack\Auth\Permissions\PermissionService;
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use BookStack\Entities\Entity;
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use DB;
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use Illuminate\Support\Collection;
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class TagRepo
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{
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protected $tag;
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protected $permissionService;
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/**
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* TagRepo constructor.
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*/
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public function __construct(Tag $tag, PermissionService $ps)
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{
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$this->tag = $tag;
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$this->permissionService = $ps;
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}
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/**
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* Get tag name suggestions from scanning existing tag names.
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* If no search term is given the 50 most popular tag names are provided.
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*/
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public function getNameSuggestions(?string $searchTerm): Collection
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{
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$query = $this->tag->select('*', DB::raw('count(*) as count'))->groupBy('name');
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if ($searchTerm) {
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$query = $query->where('name', 'LIKE', $searchTerm . '%')->orderBy('name', 'desc');
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} else {
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$query = $query->orderBy('count', 'desc')->take(50);
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}
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$query = $this->permissionService->filterRestrictedEntityRelations($query, 'tags', 'entity_id', 'entity_type');
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return $query->get(['name'])->pluck('name');
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}
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/**
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* Get tag value suggestions from scanning existing tag values.
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* If no search is given the 50 most popular values are provided.
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* Passing a tagName will only find values for a tags with a particular name.
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*/
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public function getValueSuggestions(?string $searchTerm, ?string $tagName): Collection
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{
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$query = $this->tag->select('*', DB::raw('count(*) as count'))->groupBy('value');
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if ($searchTerm) {
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$query = $query->where('value', 'LIKE', $searchTerm . '%')->orderBy('value', 'desc');
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} else {
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$query = $query->orderBy('count', 'desc')->take(50);
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}
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if ($tagName) {
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$query = $query->where('name', '=', $tagName);
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}
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$query = $this->permissionService->filterRestrictedEntityRelations($query, 'tags', 'entity_id', 'entity_type');
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return $query->get(['value'])->pluck('value');
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}
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/**
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* Save an array of tags to an entity
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*/
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public function saveTagsToEntity(Entity $entity, array $tags = []): iterable
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{
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$entity->tags()->delete();
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$newTags = collect($tags)->filter(function ($tag) {
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return boolval(trim($tag['name']));
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})->map(function ($tag) {
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return $this->newInstanceFromInput($tag);
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})->all();
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return $entity->tags()->saveMany($newTags);
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}
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/**
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* Create a new Tag instance from user input.
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* Input must be an array with a 'name' and an optional 'value' key.
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*/
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protected function newInstanceFromInput(array $input): Tag
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{
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$name = trim($input['name']);
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$value = isset($input['value']) ? trim($input['value']) : '';
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return $this->tag->newInstance(['name' => $name, 'value' => $value]);
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}
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}
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