✨ Password reset

lib/exts.dart

@@ -12,6 +12,23 @@ extension SolianExtenions on BuildContext {
     ScaffoldMessenger.of(this).clearSnackBars();
   }
 
+  Future<void> showModalDialog(String title, desc) {
+    return showDialog<void>(
+      useRootNavigator: true,
+      context: this,
+      builder: (ctx) => AlertDialog(
+        title: Text(title),
+        content: Text(desc),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(ctx),
+            child: Text('okay'.tr),
+          )
+        ],
+      ),
+    );
+  }
+
   Future<void> showErrorDialog(dynamic exception) {
     return showDialog<void>(
       useRootNavigator: true,

lib/screens/auth/signin.dart

@@ -19,6 +19,36 @@ class _SignInPopupState extends State<SignInPopup> {
   final _usernameController = TextEditingController();
   final _passwordController = TextEditingController();
 
+  void requestResetPassword(BuildContext context) async {
+    final username = _usernameController.value.text;
+    if (username.isEmpty) {
+      context.showErrorDialog('signinResetPasswordHint'.tr);
+      return;
+    }
+
+    setState(() => _isBusy = true);
+
+    final client = ServiceFinder.configureClient('passport');
+    final lookupResp = await client.get('/api/users/lookup?probe=$username');
+    if (lookupResp.statusCode != 200) {
+      context.showErrorDialog(lookupResp.bodyString);
+      setState(() => _isBusy = false);
+      return;
+    }
+
+    final resp = await client.post('/api/users/me/password-reset', {
+      'user_id': lookupResp.body['id'],
+    });
+    if (resp.statusCode != 200) {
+      context.showErrorDialog(resp.bodyString);
+      setState(() => _isBusy = false);
+      return;
+    }
+
+    setState(() => _isBusy = false);
+    context.showModalDialog('done'.tr, 'signinResetPasswordSent'.tr);
+  }
+
   void performAction(BuildContext context) async {
     final AuthProvider provider = Get.find();
 
@@ -117,19 +147,27 @@ class _SignInPopupState extends State<SignInPopup> {
                 onSubmitted: (_) => performAction(context),
               ),
               const SizedBox(height: 12),
-              Align(
-                alignment: Alignment.centerRight,
-                child: TextButton(
-                  onPressed: _isBusy ? null : () => performAction(context),
-                  child: Row(
-                    mainAxisSize: MainAxisSize.min,
-                    children: [
-                      Text('next'.tr),
-                      const Icon(Icons.chevron_right),
-                    ],
+              Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  TextButton(
+                    onPressed:
+                        _isBusy ? null : () => requestResetPassword(context),
+                    style: TextButton.styleFrom(foregroundColor: Colors.grey),
+                    child: Text('forgotPassword'.tr),
                   ),
-                ),
-              )
+                  TextButton(
+                    onPressed: _isBusy ? null : () => performAction(context),
+                    child: Row(
+                      mainAxisSize: MainAxisSize.min,
+                      children: [
+                        Text('next'.tr),
+                        const Icon(Icons.chevron_right),
+                      ],
+                    ),
+                  ),
+                ],
+              ),
             ],
           ),
         ),

lib/translations.dart

@@ -4,6 +4,7 @@ class SolianMessages extends Translations {
   @override
   Map<String, Map<String, String>> get keys => {
         'en_US': {
+          'done': 'Done',
           'hide': 'Hide',
           'okay': 'Okay',
           'next': 'Next',
@@ -25,6 +26,7 @@ class SolianMessages extends Translations {
           'openInBrowser': 'Open in browser',
           'notification': 'Notification',
           'errorHappened': 'An error occurred',
+          'forgotPassword': 'Forgot password',
           'email': 'Email',
           'username': 'Username',
           'nickname': 'Nickname',
@@ -56,6 +58,8 @@ class SolianMessages extends Translations {
               'Sign in to create post, start a realm, message your friend and more!',
           'signinRiskDetected':
               'Risk detected, click Next to open a webpage and signin through it to pass security check.',
+          'signinResetPasswordHint': 'Please enter username to request reset password.',
+          'signinResetPasswordSent': 'Reset password request sent, check your inbox!',
           'signup': 'Sign up',
           'signupGreeting': 'Welcome onboard',
           'signupCaption':
@@ -241,6 +245,7 @@ class SolianMessages extends Translations {
           'accountStatusPositive': 'Positive',
         },
         'zh_CN': {
+          'done': '完成',
           'hide': '隐藏',
           'okay': '确认',
           'next': '下一步',
@@ -262,6 +267,7 @@ class SolianMessages extends Translations {
           'openInBrowser': '在浏览器中打开',
           'notification': '通知',
           'errorHappened': '发生错误了',
+          'forgotPassword': '忘记密码',
           'email': '邮件地址',
           'username': '用户名',
           'nickname': '显示名',
@@ -289,6 +295,8 @@ class SolianMessages extends Translations {
           'signinGreeting': '欢迎回来\nSolar Network',
           'signinCaption': '登录以发表帖子、文章、创建领域、和你的朋友聊天，以及获取更多功能！',
           'signinRiskDetected': '检测到风险，点击下一步按钮来打开一个网页，并通过在其上面登录来通过安全检查。',
+          'signinResetPasswordHint': '请先填写用户名以发送重置密码请求。',
+          'signinResetPasswordSent': '重置密码请求已发送，在绑定邮件收件箱可收取一份包含重置密码链接的邮件。',
           'signup': '注册',
           'signupGreeting': '欢迎加入\nSolar Network',
           'signupCaption': '在 Solarpass 注册一个账号以获得整个 Solar Network 的存取权！',