Add autocomplete suggestions support and added to bing, duckduckgo, and google

app/Http/Controllers/SearchController.php

@@ -4,9 +4,11 @@ namespace App\Http\Controllers;
 
 use App\Search;
 use Illuminate\Contracts\Foundation\Application;
+use Illuminate\Http\JsonResponse;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Routing\Redirector;
+use Illuminate\Support\Facades\Http;
 
 class SearchController extends Controller
 {
@@ -41,4 +43,97 @@ class SearchController extends Controller
 
         abort(404, 'Provider type not supported');
     }
+
+    /**
+     * Get autocomplete suggestions for a search query
+     *
+     * @return JsonResponse
+     */
+    public function autocomplete(Request $request)
+    {
+        $requestprovider = $request->input('provider');
+        $query = $request->input('q');
+
+        if (!$query || trim($query) === '') {
+            return response()->json([]);
+        }
+
+        $provider = Search::providerDetails($requestprovider);
+
+        if (!$provider || !isset($provider->autocomplete)) {
+            return response()->json([]);
+        }
+
+        // Replace {query} placeholder with actual query
+        $autocompleteUrl = str_replace('{query}', urlencode($query), $provider->autocomplete);
+
+        try {
+            $response = Http::timeout(5)->get($autocompleteUrl);
+
+            if ($response->successful()) {
+                $data = $response->body();
+                
+                // Parse the response based on provider
+                $suggestions = $this->parseAutocompleteResponse($data, $provider->id);
+                
+                return response()->json($suggestions);
+            }
+        } catch (\Exception $e) {
+            // Return empty array on error
+            return response()->json([]);
+        }
+
+        return response()->json([]);
+    }
+
+    /**
+     * Parse autocomplete response based on provider format
+     *
+     * @param string $data
+     * @param string $providerId
+     * @return array
+     */
+    private function parseAutocompleteResponse($data, $providerId)
+    {
+        $suggestions = [];
+
+        switch ($providerId) {
+            case 'google':
+                // Google returns XML format
+                if (strpos($data, '<?xml') === 0) {
+                    $xml = simplexml_load_string($data);
+                    if ($xml && isset($xml->CompleteSuggestion)) {
+                        foreach ($xml->CompleteSuggestion as $suggestion) {
+                            if (isset($suggestion->suggestion['data'])) {
+                                $suggestions[] = (string) $suggestion->suggestion['data'];
+                            }
+                        }
+                    }
+                }
+                break;
+
+            case 'bing':
+            case 'ddg':
+                // Bing and DuckDuckGo return JSON array format
+                $json = json_decode($data, true);
+                if (is_array($json) && isset($json[1]) && is_array($json[1])) {
+                    $suggestions = $json[1];
+                }
+                break;
+
+            default:
+                // Try to parse as JSON array
+                $json = json_decode($data, true);
+                if (is_array($json)) {
+                    if (isset($json[1]) && is_array($json[1])) {
+                        $suggestions = $json[1];
+                    } else {
+                        $suggestions = $json;
+                    }
+                }
+                break;
+        }
+
+        return $suggestions;
+    }
 }