Add search endpoint for sites (WIP)

src/Controller/SearchController.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Attribute\Route;
+use App\Service\SearchService;
+
+final class SearchController extends AbstractController
+{
+    #[Route('/search', methods: ['get', 'post'], name: 'app_search')]
+    public function index(Request $request, SearchService $searchService): JsonResponse
+    {
+        $filters = [];
+        if ($request->getMethod() === 'GET') {
+            $filters = $request->query->all();
+        }
+        if ($request->getMethod() === 'POST') {
+            $filters = $request->getPayload();
+        }
+
+        $results = $searchService->searchSites($filters);
+
+        return $this->json($results);
+    }
+}

src/Entity/Site.php

@@ -6,6 +6,7 @@ use App\Repository\SiteRepository;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
+use Doctrine\ORM\PersistentCollection;
 use \JsonSerializable;
 
 #[ORM\Entity(repositoryClass: SiteRepository::class)]
@@ -111,6 +112,9 @@ class Site implements JsonSerializable
      */
     private ?array $bibliography;
 
+    #[ORM\OneToMany(targetEntity: BuildingTech::class, mappedBy: 'site')]
+    private ?PersistentCollection $buildingTechs = null;
+
     public function getId(): ?int
     {
         return $this->id;

src/Enum/OpusEnum.php

@@ -0,0 +1,15 @@
+<?php
+
+declare (strict_types=1);
+
+namespace App\Enum;
+
+enum OpusEnum: string
+{
+    case R = 'Opera reticolata';
+    case P = 'Opera poligonale';
+    case I = 'Opera incerta';
+    case L = 'Opera laterizia';
+    case M = 'Opera mista';
+    case C = 'Opera cementizia';
+}

src/Enum/SitesCategoryEnum.php

@@ -0,0 +1,11 @@
+<?php
+
+declare (strict_types=1);
+
+namespace App\Enum;
+
+enum SitesCategoryEnum: string
+{
+    case S = 'site';
+    case N = 'not_conserved';
+}

src/Exception/InvalidFilterException.php

@@ -0,0 +1,9 @@
+<?php
+
+namespace App\Exception;
+
+use Exception;
+
+final class InvalidFilterException extends Exception
+{
+}

src/Repository/SiteRepository.php

@@ -32,6 +32,35 @@ class SiteRepository extends ServiceEntityRepository
         return $conn->executeQuery($sql, ['id' => $id])
             ->fetchAssociative();
     }
+ 
+    /**
+     * For the search sites endpoint
+     * @see SearchService
+     * @return Site[] Returns an array of Site objects
+     */
+    public function findByFilters(array $filters): array
+    {
+        $qb = $this->createQueryBuilder('s');
+
+        if (!empty($filters['technique'])) {
+            $qb->leftJoin('s.buildingTechs', 'bt');
+            $qb->addSelect('bt');
+            $qb->andWhere('bt.technique = :tech');
+            $qb->setParameter('tech', $filters['technique']);
+        }
+
+        if (!empty($filters['text'])) {
+            $qb->andWhere('LOWER(s.label) LIKE :text OR LOWER(s.denomination) LIKE :text');
+            $qb->setParameter('text', $filters['text']);
+        }
+        
+        $qb->orderBy('s.label', 'ASC');
+        $query = $qb->getQuery();
+
+        //dd($query, $filters['text']);
+
+        return $query->getResult();
+    }
 
     //    /**
     //     * @return Site[] Returns an array of Site objects

src/Service/SearchService.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Repository\SiteRepository;
+use App\Enum\OpusEnum;
+use App\Enum\SitesCategoryEnum;
+use App\Exception\InvalidFilterException;
+
+use function Symfony\Component\String\u;
+
+final class SearchService
+{
+    public function __construct(private readonly SiteRepository $siteRepository) {}
+
+    public function searchSites(array $rawFilters): array
+    {
+        $filters = $this->normalizeFilters($rawFilters);
+
+        // No results should be returned if no filter is valid
+        if (empty($filters)) return [];
+
+        return array_map(
+            fn(\App\Entity\Site $s) => $s->toSummary(),
+            $this->siteRepository->findByFilters($filters)
+        );
+    }
+    /**
+     * @throws InvalidFilterException
+     */
+    private function normalizeFilters(array $filters): array
+    {
+        $allowedFilters = ['text', 'technique', 'category'];
+        $filters = array_intersect_key($filters, array_flip($allowedFilters));
+
+        $text = trim($filters['text'] ?? '');
+
+        if ($text !== '' && strlen($text) < 3) {
+            throw new InvalidFilterException("Invalid text filter, length: " . strlen($filters['text']));
+        }
+
+        // Prepare for LIKE query (useful?)
+        $filters['text'] = $text !== '' ? '%' . u($text)->lower()->toUnicodeString() . '%' : '';
+
+        if (!empty($filters['technique']) && OpusEnum::tryFrom($filters['technique']) === null) {
+            throw new InvalidFilterException("Invalid technique filter: " . $filters['technique']);
+        }
+
+        if (!empty($filters['category']) && SitesCategoryEnum::tryFrom($filters['category']) === null) {
+            throw new InvalidFilterException("Invalid category filter: " . $filters['category']);
+        }
+
+        return $filters;
+    }
+}