lesson 57

web/templates/base.html

@@ -68,6 +68,26 @@
     </div>
 </nav>
 <div class="container">
+    {% if messages %}
+        {% for message in messages  %}
+            <div class="alert alert-dismisable fade show
+                 {% if message.level == DEFAULT_MESSAGE_LEVELS.ERROR %}
+                    alert-danger
+                 {% elif message.level == DEFAULT_MESSAGE_LEVELS.SUCCESS %}
+                    alert-success
+                 {% elif message.level == DEFAULT_MESSAGE_LEVELS.INFO %}
+                    alert-primary
+                 {% else %}
+                    alert-secondary
+                 {% endif %}" role="alert">
+            {{ message }}
+            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
+                <span aria-hidden="true">&times;</span>
+            </button>
+            </div>
+        {% endfor %}
+    {% endif %}
+
     {% block title %}{% endblock %}
 
     {% block content %}{% endblock %}

web/views/article.py

 from urllib.parse import urlencode
 
+from django.contrib import messages
 from django.urls import reverse, reverse_lazy
 from django.db.models import Q
 from django.contrib.auth.mixins import LoginRequiredMixin, PermissionRequiredMixin, UserPassesTestMixin
@@ -25,7 +26,11 @@ class ArticleIndexView(ListView):
     def dispatch(self, request, *args, **kwargs):
         self.form = self.get_search_form()
         self.search_value = self.get_search_value()
-        session = request.session
+        messages.add_message(self.request, messages.SUCCESS, 'Все круто!')
+        messages.add_message(self.request, messages.DEBUG, 'Debug')
+        messages.add_message(self.request, messages.INFO, 'Info')
+        messages.add_message(self.request, messages.WARNING, 'warning')
+        messages.add_message(self.request, messages.ERROR, 'error')
         return super().dispatch(request, *args, **kwargs)
 
     def get_context_data(self, *, object_list=None, **kwargs):