Add mongodb Cursor and CursorInterface stubs and fix WriteConcern::__construct (#5813)

* Add mongodb Cursor and CursorInterface stubs

* Use proper variable name

* Update WriteConcern constructor

Based on https://www.php.net/manual/es/mongodb-driver-writeconcern.construct.php

dictionaries/CallMap.php

@@ -7917,7 +7917,7 @@ return [
 'mongodb\driver\session::getTransactionOptions' => ['array|null'],
 'mongodb\driver\session::getTransactionState' => ['string'],
 'mongodb\driver\session::startTransaction' => ['void', 'options'=>'array|object'],
-'MongoDB\Driver\WriteConcern::__construct' => ['void', 'wstring'=>'string', 'wtimeout='=>'int', 'journal='=>'bool', 'fsync='=>'bool'],
+'MongoDB\Driver\WriteConcern::__construct' => ['void', 'wstring'=>'string|int', 'wtimeout='=>'int', 'journal='=>'bool'],
 'MongoDB\Driver\WriteConcern::bsonSerialize' => ['object'],
 'MongoDB\Driver\WriteConcern::getJournal' => ['?bool'],
 'MongoDB\Driver\WriteConcern::getJurnal' => ['?bool'],

src/Psalm/Config.php

@@ -1767,13 +1767,13 @@ class Config
         }
 
         if (\extension_loaded('soap')) {
-            $ext_pdo_path = dirname(__DIR__, 2) . '/stubs/soap.phpstub';
+            $ext_soap_path = dirname(__DIR__, 2) . '/stubs/soap.phpstub';
 
-            if (!file_exists($ext_pdo_path)) {
+            if (!file_exists($ext_soap_path)) {
                 throw new \UnexpectedValueException('Cannot locate soap classes');
             }
 
-            $core_generic_files[] = $ext_pdo_path;
+            $core_generic_files[] = $ext_soap_path;
         }
 
         if (\extension_loaded('ds')) {
@@ -1786,6 +1786,16 @@ class Config
             $core_generic_files[] = $ext_ds_path;
         }
 
+        if (\extension_loaded('mongodb')) {
+            $ext_mongodb_path = dirname(__DIR__, 2) . '/stubs/mongodb.phpstub';
+
+            if (!file_exists($ext_mongodb_path)) {
+                throw new \UnexpectedValueException('Cannot locate mongodb classes');
+            }
+
+            $core_generic_files[] = $ext_mongodb_path;
+        }
+
         $stub_files = array_merge($core_generic_files, $this->stub_files);
 
         if ($this->load_xdebug_stub) {

stubs/mongodb.phpstub

@@ -0,0 +1,59 @@
+<?php
+
+namespace MongoDB\Driver;
+
+use Iterator;
+use Traversable;
+
+/**
+ * @template-covariant TKey
+ * @template-covariant TValue
+ *
+ * @template-extends Traversable<TKey, TValue>
+ */
+interface CursorInterface extends Traversable
+{
+    /**
+     * @return array<TValue>
+     */
+    public function toArray();
+}
+
+/**
+ * @template-covariant TValue of array|object
+ *
+ * @template-implements Iterator<int, TValue>
+ * @template-implements CursorInterface<int, TValue>
+ */
+final class Cursor implements CursorInterface, Iterator
+{
+    /**
+     * @return TValue
+     */
+    public function current() {}
+
+    /**
+     * @return void
+     */
+    public function next() {}
+
+    /**
+     * @return int
+     */
+    public function key() {}
+
+    /**
+     * @return bool
+     */
+    public function valid() {}
+
+    /**
+     * @return void
+     */
+    public function rewind() {}
+
+    /**
+     * @return array<TValue>
+     */
+    public function toArray() {}
+}