Linking to registration page + URL params autofill

* Added registrationCode url param to the registration page to autofill the code
* Added a link column to the admin registration code table for easy copying of registration links

app.py

@@ -10,7 +10,7 @@ from flask_login import LoginManager, login_required, login_user, logout_user, U
 from flask_wtf import CSRFProtect
 
 from db import get_db, get_registration_codes, add_registration_code, \
-    expire_registration_code, delete_registration_code
+    expire_registration_code, delete_registration_code, get_registered_users
 from forms import RegistrationForm, LoginForm, RegistrationCodeForm, \
     ExpireRegistrationCodeForm
 
@@ -93,6 +93,8 @@ def registration():
     form = RegistrationForm()
     if form.validate_on_submit():
         return redirect('/success')
+    if 'registrationCode' in request.values:
+        form.registration_code.data = request.values['registrationCode']
     return render_template('register.html', form=form)
 
 
@@ -101,7 +103,8 @@ def registration():
 def admin_index():
     context = {
         'add_registration_code_form': RegistrationCodeForm(),
-        'registration_codes': get_registration_codes()
+        'registration_codes': get_registration_codes(),
+        'registered_users': get_registered_users()
     }
     return render_template('admin.html', **context)
 

templates/admin.html

@@ -13,6 +13,7 @@
                 <th>Expiration Time</th>
                 <th>Usages</th>
                 <th>Max Usages</th>
+                <th>Registration Link</th>
                 <th>Expire</th>
             </thead>
             <tbody>
@@ -23,6 +24,7 @@
                         <td>{{ registration_code.expiration_time|tojson|safe }}</td>
                         <td>{{ registration_code.usages|tojson|safe }}</td>
                         <td>{{ registration_code.max_usages|tojson|safe }}</td>
+                        <td><a href="/register?registrationCode={{ registration_code.code }}">link</a>
                         <td>
                             <form method="POST" action="/admin/expire_registration_code">
                                 <input type="hidden" name="csrf_token" value="{{ csrf_token() }}"/>
@@ -40,6 +42,23 @@
         </table>
     </div>
     <hr>
+    <div id="registeredUsers">
+        <table>
+            <thead>
+                <th>User</th>
+                <th>Registration Time</th>
+            </thead>
+            <tbody>
+                {% for registered_user in registered_users %}
+                    <tr>
+                        <td>{{ registered_user.username|tojson|safe }}</td>
+                        <td>{{ registered_user.registration_time|tojson|safe }}</td>
+                    </tr>
+                {% endfor %}
+            </tbody>
+        </table>
+    </div>
+    <hr>
     <form method="POST" action="/admin/add_registration_code">
         {{ add_registration_code_form.csrf_token }}
         {{ add_registration_code_form.expiration_time.label }} {{ add_registration_code_form.expiration_time() }}