Minor Update.

Update in filters, display in admin panel & Field errors in registration.

Author: tamaraiselvan

firstapp/admin.py

@@ -2,14 +2,40 @@
 from firstapp.models import Theme, Profile
 from django.contrib.auth.models import User, Group
 from import_export.admin import ImportExportModelAdmin
+from django.contrib.auth.admin import GroupAdmin, UserAdmin
 # Register your models here.
-admin.site.unregister(User)
-admin.site.register(User, ImportExportModelAdmin)
-admin.site.unregister(Group)
-admin.site.register(Group, ImportExportModelAdmin)
-admin.site.register(Theme)
 admin.site.register(Profile)
+admin.site.unregister(Group)
+admin.site.unregister(User)
+
+class ThemeList(ImportExportModelAdmin):
+    list_display = ('user','color',)
+    list_filter = ('user','color',)
+
+admin.site.register(Theme, ThemeList)
+
+class GroupAdminWithCount(GroupAdmin, ImportExportModelAdmin):
+    def user_count(self, obj):
+        return obj.user_set.count()
+
+    list_display = GroupAdmin.list_display + ('user_count',)
+    
+admin.site.register(Group, GroupAdminWithCount)
+
+class UserList(UserAdmin, ImportExportModelAdmin):
+    list_display = ('username','email','is_active','date_joined')
+    list_filter = ('username','is_superuser','is_staff','is_active','email','date_joined','groups')
+
+admin.site.register(User, UserList)
 
 # Add import export model mixin to the model while registering the model in admin.py
 # Example:
-# admin.site.register(Theme, ImportExportModelAdmin)
+# admin.site.register(Theme, ImportExportModelAdmin)
+
+# If you want to list display and list filter the example is below.
+
+# class ThemeList(ImportExportModelAdmin):
+#     list_display = ('user','color',)
+#     list_filter = ('user','color',)
+
+# admin.site.register(Theme, ThemeList)

firstapp/views.py

@@ -23,8 +23,6 @@ def signup_view(request):
             form.save()
             messages.success(request, 'Your account has been created ! You are now able to log in')
             return redirect('login')
-        else: 
-            messages.error(request, 'Please Provide the appropriate credentials to create your account.')
     else:
         form = SignUpForm()
     return render(request, 'registration/registration.html', {'form': form})

templates/registration/registration.html

@@ -19,6 +19,18 @@ <h1 class="login-title">User Registration</h1>
           <p>{{message}}</p>{% endfor %}
         </div>
         {% endif %}
+        {% if form.errors %}
+        <div class="alert alert-danger alert-dismissable fade show" role="alert">
+          <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+            <span aria-hidden="true">&times;</span>
+          </button>
+          {% for field in form %}
+          {% if field.errors %}
+          <li type="1">{{ field.label }}: {{ field.errors|striptags }}</li>
+          {% endif %}
+          {% endfor %}
+        </div>
+        {% endif %}
         <form action="{% url 'sign_up' %}" method="POST">
           {% csrf_token %}
           <div class="row">