Provider.php

<?php

namespace OCA\Cookbook\Search;

use OCA\Cookbook\AppInfo\Application;
use OCA\Cookbook\Service\RecipeService;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\IUser;
use OCP\Search\IProvider;
use OCP\Search\ISearchQuery;
use OCP\Search\SearchResult;
use OCP\Search\SearchResultEntry;

class Provider implements IProvider {
	/** @var IL10N */
	private $l;

	/** @var IURLGenerator */
	private $urlGenerator;

	/** @var RecipeService */
	private $recipeService;

	public function __construct(
		IL10n $il10n,
		IURLGenerator $urlGenerator,
		RecipeService $recipeService
	) {
		$this->l = $il10n;
		$this->urlGenerator = $urlGenerator;
		$this->recipeService = $recipeService;
	}

	public function getId(): string {
		return Application::APP_ID;
	}

	public function getName(): string {
		return $this->l->t('Recipes');
	}

	public function getOrder(string $route, array $routeParameters): int {
		if (strpos($route, 'files' . '.') === 0) {
			return 25;
		} elseif (strpos($route, Application::APP_ID . '.') === 0) {
			return -1;
		}
		return 4;
	}

	public function search(IUser $user, ISearchQuery $query): SearchResult {
		$recipes = $this->recipeService->findRecipesInSearchIndex($query->getTerm());
		$result = array_map(
			function (array $recipe) use ($user): SearchResultEntry {
				$id = $recipe['recipe_id'];

				$subline = '';
				$category = $recipe['category'];
				if ($category !== null) {
					// TRANSLATORS Will be shown in search results, listing the recipe category, e.g., 'in Salads'
					$subline = $this->l->t('in %s', [$category]);
				}

				return new SearchResultEntry(
					// Thumb image
					$this->urlGenerator->linkToRoute('cookbook.recipe.image', ['id' => $id, 'size' => 'thumb']),
					// Name as title
					$recipe['name'],
					// Category as subline
					$subline,
					// Link to Vue route of recipe
					$this->urlGenerator->linkToRouteAbsolute('cookbook.main.index') . '#/recipe/' . $id
				);
			}, $recipes
		);

		return SearchResult::complete(
			$this->getName(),
			$result
		);
	}
}