Added Restrr#createUser

CHANGELOG.md

@@ -1,5 +1,6 @@
 ## 0.10
 - Implemented User registration (RestrrBuilder#register)
+- Added Restrr#createUser
 
 ## 0.9.1
 - Fixed use of `EntityId<E>` 

lib/src/api/restrr.dart

@@ -51,6 +51,9 @@ abstract class Restrr {
   /// Retrieves the currently authenticated user.
   Future<User> retrieveSelf({bool forceRetrieve = false});
 
+  /// Creates a new user.
+  Future<User> createUser({required String username, required String password, String? displayName, String? email});
+
   /* Sessions */
 
   Future<PartialSession> retrieveCurrentSession({bool forceRetrieve = false});

lib/src/api/restrr_builder.dart

@@ -36,24 +36,11 @@ class RestrrBuilder {
   Future<Restrr> register({required String username, required String password, String? displayName, String? email, String? sessionName}) async {
     return _handleAuthProcess(authFunction: (apiImpl) async {
       // register user first
-      final RestResponse<User> userResponse = await apiImpl.requestHandler.apiRequest(
-          route: UserRoutes.create.compile(),
-          body: {
-            'username': username,
-            'password': password,
-            if (displayName != null) 'display_name': displayName,
-            if (email != null) 'email': email,
-          },
-          noAuth: true,
-          mapper: (json) => apiImpl.entityBuilder.buildUser(json)
-      );
-      if (userResponse.hasError) {
-        throw userResponse.error!;
-      }
+      final User user = await apiImpl.createUser(username: username, password: password, email: email);
       return apiImpl.requestHandler.apiRequest(
           route: SessionRoutes.create.compile(),
           body: {
-            'username': username,
+            'username': user.username,
             'password': password,
             if (sessionName != null) 'session_name': sessionName,
           },

lib/src/internal/restrr_impl.dart

@@ -48,6 +48,21 @@ class RestrrImpl implements Restrr {
     return UserIdImpl(api: this, value: session.user.id.value).retrieve(forceRetrieve: forceRetrieve);
   }
 
+  @override
+  Future<User> createUser({required String username, required String password, String? displayName, String? email}) async {
+    final RestResponse<User> response = await requestHandler
+        .apiRequest(route: UserRoutes.create.compile(), mapper: (json) => entityBuilder.buildUser(json), noAuth: true, body: {
+      'username': username,
+      'password': password,
+      if (displayName != null) 'display_name': displayName,
+      if (email != null) 'email': email,
+    });
+    if (response.hasError) {
+      throw response.error!;
+    }
+    return response.data!;
+  }
+
   /* Sessions */
 
   @override

test/restrr_entity_test.dart

@@ -70,6 +70,8 @@ const String transactionJson = '''
 void main() {
   late RestrrImpl api;
 
+  // TODO: mock the api instance instead of actually logging in
+
   setUp(() async {
     // log in, get api instance
     api = (await RestrrBuilder(uri: _validUri).login(username: 'admin', password: 'Financrr123')) as RestrrImpl;