added length param, response model, e2e test

app/controllers/api/databases.php

@@ -2812,12 +2812,13 @@ App::post('/v1/databases/:databaseId/collections/:collectionId/indexes')
     ->param('key', null, new Key(), 'Index Key.')
     ->param('type', null, new WhiteList([Database::INDEX_KEY, Database::INDEX_FULLTEXT, Database::INDEX_UNIQUE]), 'Index type.')
     ->param('attributes', null, new ArrayList(new Key(true), APP_LIMIT_ARRAY_PARAMS_SIZE), 'Array of attributes to index. Maximum of ' . APP_LIMIT_ARRAY_PARAMS_SIZE . ' attributes are allowed, each 32 characters long.')
+    ->param('lengths', [], new ArrayList(new Integer(), APP_LIMIT_ARRAY_PARAMS_SIZE), 'Length of index. Maximum of ' . APP_LIMIT_ARRAY_PARAMS_SIZE, optional:true)
     ->param('orders', [], new ArrayList(new WhiteList(['ASC', 'DESC'], false, Database::VAR_STRING), APP_LIMIT_ARRAY_PARAMS_SIZE), 'Array of index orders. Maximum of ' . APP_LIMIT_ARRAY_PARAMS_SIZE . ' orders are allowed.', true)
     ->inject('response')
     ->inject('dbForProject')
     ->inject('queueForDatabase')
     ->inject('queueForEvents')
-    ->action(function (string $databaseId, string $collectionId, string $key, string $type, array $attributes, array $orders, Response $response, Database $dbForProject, EventDatabase $queueForDatabase, Event $queueForEvents) {
+    ->action(function (string $databaseId, string $collectionId, string $key, string $type, array $attributes, array $lengths, array $orders, Response $response, Database $dbForProject, EventDatabase $queueForDatabase, Event $queueForEvents) {
 
         $db = Authorization::skip(fn () => $dbForProject->getDocument('databases', $databaseId));
 
@@ -2877,9 +2878,6 @@ App::post('/v1/databases/:databaseId/collections/:collectionId/indexes')
             'size' => 0
         ];
 
-        // lengths hidden by default
-        $lengths = [];
-
         foreach ($attributes as $i => $attribute) {
             // find attribute metadata in collection document
             $attributeIndex = \array_search($attribute, array_column($oldAttributes, 'key'));
@@ -2901,10 +2899,11 @@ App::post('/v1/databases/:databaseId/collections/:collectionId/indexes')
                 throw new Exception(Exception::ATTRIBUTE_NOT_AVAILABLE, 'Attribute not available: ' . $oldAttributes[$attributeIndex]['key']);
             }
 
-            $lengths[$i] = null;
-
+            $lengths[$i] = array_key_exists($i, $lengths) ? $lengths[$i] : null;
             if ($attributeArray === true) {
-                $lengths[$i] = Database::ARRAY_INDEX_LENGTH;
+                if ($lengths[$i] === null) {
+                    $lengths[$i] = Database::ARRAY_INDEX_LENGTH;
+                }
                 $orders[$i] = null;
             }
         }

src/Appwrite/Utopia/Response/Model/Index.php

@@ -41,6 +41,13 @@ class Index extends Model
                 'example' => [],
                 'array' => true,
             ])
+            ->addRule('lengths', [
+                'type' => self::TYPE_INTEGER,
+                'description' => 'Index attributes length.',
+                'default' => [],
+                'example' => [],
+                'array' => true,
+            ])
             ->addRule('orders', [
                 'type' => self::TYPE_STRING,
                 'description' => 'Index orders.',

tests/e2e/Services/Databases/DatabasesBase.php

@@ -1422,9 +1422,40 @@ trait DatabasesBase
         return $data;
     }
 
+
     /**
-     * @depends testCreateIndexes
+     * @depends testCreateAttributes
      */
+    public function testGetIndexByKeyWithLengths(array $data): void
+    {
+        $databaseId = $data['databaseId'];
+        $collectionId = $data['moviesId'];
+
+        $create = $this->client->call(Client::METHOD_POST, "/databases/{$databaseId}/collections/{$collectionId}/indexes", [
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-key' => $this->getProject()['apiKey']
+        ], [
+            'key' => 'lengthTestIndex',
+            'type' => 'key',
+            'attributes' => ['title','description'],
+            'lengths' => [128,200]
+        ]);
+
+        $this->assertEquals(202, $create['headers']['status-code']);
+
+        $index = $this->client->call(Client::METHOD_GET, "/databases/{$databaseId}/collections/{$collectionId}/indexes/lengthTestIndex", [
+            'content-type' => 'application/json',
+            'x-appwrite-project' => $this->getProject()['$id'],
+            'x-appwrite-key' => $this->getProject()['apiKey']
+        ]);
+        $this->assertEquals(200, $index['headers']['status-code']);
+        $this->assertEquals('lengthTestIndex', $index['body']['key']);
+        $this->assertEquals([128,200], $index['body']['lengths']);
+    }
+    /**
+        * @depends testCreateIndexes
+        */
     public function testListIndexes(array $data): void
     {
         $databaseId = $data['databaseId'];