display success alert when user updates profile info

atst/forms/edit_user.py

@@ -61,7 +61,7 @@ class EditUserForm(ValidatedForm):
                 lower_bound=pendulum.duration(years=1),
                 upper_bound=pendulum.duration(days=0),
                 message="Must be a date within the last year.",
-            ),
+            )
         ],
         format="%m/%d/%Y",
     )

atst/routes/users.py

@@ -1,11 +1,4 @@
-from flask import (
+from flask import Blueprint, render_template, g, request as http_request
-    Blueprint,
-    render_template,
-    g,
-    redirect,
-    url_for,
-    request as http_request,
-)
 from atst.forms.edit_user import EditUserForm
 from atst.domain.users import Users
 
@@ -24,8 +17,9 @@ def user():
 def update_user():
     user = g.current_user
     form = EditUserForm(http_request.form)
+    rerender_args = {"form": form, "user": user}
     if form.validate():
         Users.update(user, form.data)
-        return redirect(url_for("atst.home"))
+        rerender_args["updated"] = True
-    else:
+
-        return render_template("user/edit.html", form=form, user=user)
+    return render_template("user/edit.html", **rerender_args)

templates/user/edit.html

@@ -1,8 +1,13 @@
 {% extends "base.html" %}
+{% from "components/alert.html" import Alert %}
 
 {% block content %}
 <div class='col'>
 
+  {% if updated %}
+    {{ Alert('User information updated.', level='success') }}
+  {% endif %}
+
   <div class='panel'>
     <div class='panel__heading'>
       <h1>