initial commit

app/Services/SearchProvider/DatabaseSearchProvider.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\SearchProvider;
+
+use App\Models\Contact;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+final class DatabaseSearchProvider implements SearchProvider
+{
+    /**
+     * @return LengthAwarePaginator<int, \App\Models\Contact>
+     */
+    public function search(string $query, int $paginate): LengthAwarePaginator
+    {
+        return Contact::query()
+            ->select('*')
+            ->selectRaw(
+                "CASE
+                            WHEN email LIKE CONCAT('%', ?::text, '%')
+                                THEN 1.0
+                            ELSE ts_rank(ts_name, plainto_tsquery('simple', ?::text))
+                        END AS rank",
+                [$query, $query]
+            )
+            ->whereRaw(
+                "ts_name @@ plainto_tsquery('simple', ?::text) OR email LIKE CONCAT('%', ?::text, '%')",
+                [$query, $query]
+            )
+            ->orderByDesc('rank')
+            ->paginate($paginate);
+    }
+}

app/Services/SearchProvider/SearchProvider.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services\SearchProvider;
+
+use App\Data\Contact;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+interface SearchProvider
+{
+    /**
+     * @return LengthAwarePaginator<int, \App\Models\Contact>
+     */
+    public function search(string $query, int $paginate): LengthAwarePaginator;
+}