Display user's password reset link to the admin

Similarly to when we invite new users, this allows the admin to reset the
password herself (or send it manually to the user), in cases where there's some
issue sending the e-mail.

rd_ui/app/scripts/controllers/users.js

@@ -302,9 +302,9 @@
 
     $scope.sendPasswordReset = function() {
       $scope.disablePasswordResetButton = true;
-      $http.post('api/users/' + $scope.user.id + '/reset_password').success(function(user) {
+      $http.post('api/users/' + $scope.user.id + '/reset_password').success(function(data) {
         $scope.disablePasswordResetButton = false;
-        growl.addSuccessMessage("The user should receive a link to reset his password by email soon.")
+        $scope.passwordResetLink = data.reset_link;
       });
     };
   };

rd_ui/app/views/users/show.html

@@ -27,6 +27,16 @@
       <button class="btn btn-default" ng-click="sendPasswordReset()" ng-disabled="disablePasswordResetButton">Send
         Password Reset Email
       </button>
+
+      <div ng-if="passwordResetLink && !disablePasswordResetButton" class="alert alert-success">
+        <p>
+          <strong>The user should receive a link to reset his password by email soon.</strong>
+        </p>
+        <p ng-if="clientConfig.mailSettingsMissing">
+          You can use the following link to reset the password yourself:<br/>
+          {{passwordResetLink}}
+        </p>
+      </div>
     </div>
   </div>
   <div ng-show="selectedTab == 'apiKey'" class="p-10">

redash/handlers/users.py

@@ -74,6 +74,10 @@ class UserResetPasswordResource(BaseResource):
         user = models.User.get_by_id_and_org(user_id, self.current_org)
         reset_link = send_password_reset_email(user)
 
+        return {
+            'reset_link': reset_link,
+        }
+
 
 class UserResource(BaseResource):
     def get(self, user_id):