Full CRUD

social/templates/forms/update/link.html

+{% extends 'base.html' %}
+
+{% block title %}Update link{% endblock %}
+
+
+{% block content %}
+    {% load bootstrap4 %}
+    <h2>Update Link</h2>
+    <form method="post" class="form">
+        {% csrf_token %}
+        {% bootstrap_form form %}
+        {% buttons %}
+            <button type="submit" class="btn btn-primary">Update Link</button>
+        {% endbuttons %}
+    </form>
+{% endblock %}

social/templates/forms/update/post.html

+{% extends 'base.html' %}
+
+{% block title %}Update post{% endblock %}
+
+
+{% block content %}
+    {% load bootstrap4 %}
+    <h2>Update Post</h2>
+    <form method="post" class="form">
+        {% csrf_token %}
+        {% bootstrap_form form %}
+        {% buttons %}
+            <button type="submit" class="btn btn-primary">Update Post</button>
+        {% endbuttons %}
+    </form>
+{% endblock %}

social/templates/forms/update/snippet.html

+{% extends 'base.html' %}
+
+{% block title %}Update snippet{% endblock %}
+
+{% block css %}{{ form.media }}{% endblock %}
+{% block content %}
+    {% load bootstrap4 %}
+    <h2>Update Snippet</h2>
+    <form method="post" class="form">
+        {% csrf_token %}
+        {% bootstrap_form form %}
+        {% buttons %}
+            <button type="submit" class="btn btn-primary">Update Snippet</button>
+        {% endbuttons %}
+    </form>
+{% endblock %}

social/templates/home.html

@@ -14,7 +14,8 @@
             {% as_html item %}
             <small class="text-muted">{{ item.pub_date }}</small>
             {% if item.author == request.user %}
-            <small class="text-muted"><a href="{% get_delete item %}">delete</a></small>
+            <small class="text-muted"><a href="{% get_opt 'delete' item %}">delete</a></small>
+            <small class="text-muted"><a href="{% get_opt 'update' item %}">update</a></small>
             {% endif %}
         </fieldset>
     </div>

social/templatetags/renderer.py

@@ -35,5 +35,5 @@ def get_preview(url):
     return preview
 
 @register.simple_tag
-def get_delete(item):
-    return reverse(f"delete_{_get_class(item)}", args=(item.id,))
+def get_opt(opt, item):
+    return reverse(f"{opt}_{_get_class(item)}", args=(item.id,))

social/urls.py

@@ -22,12 +22,15 @@ class SocialPatterns(PatternManager):
 
 class SocialPostPatterns(PatternManager):
     create_post = "post/create", CreatePost
+    update_post = "post/update/<int:pk>", UpdatePost
     delete_post = "post/delete/<int:pk>", DeletePost
      
     create_link = "link/create", CreateLink
+    update_link = "link/update/<int:pk>", UpdateLink
     delete_link = "link/delete/<int:pk>", DeleteLink
     
     create_snippet = "snippet/create", CreateSnippet
+    update_snippet = "snippet/update/<int:pk>", UpdateSnippet
     delete_snippet = "snippet/delete/<int:pk>", DeleteSnippet
 
 urlpatterns = SocialPatterns() + SocialPostPatterns()

social/views/crud/update.py

+from django.urls import reverse_lazy
+from django.views.generic import UpdateView
+from django.http import HttpResponse
+
+
+from social import models, forms
+
+__all__ = ['UpdatePost', 'UpdateLink', 'UpdateSnippet']
+
+class SharableUpdate(UpdateView):
+    def __init_subclass__(cls):
+        simple_name = cls.__name__.replace('Update', '').lower()
+        
+        cls.model = getattr(models, f"{simple_name.title()}")
+        cls.success_url = reverse_lazy("home")
+        cls.template_name = f"forms/update/{simple_name}.html"
+        cls.form_class = getattr(forms, f"Create{simple_name.title()}Form")
+        super().__init_subclass__()
+
+    def form_valid(self, *args, **kwargs):
+        if self.get_object().author == self.request.user:
+            return super().form_valid(*args, **kwargs)
+        else:
+            return HttpResponse('Unauthorized', status=401)
+
+class UpdatePost(SharableUpdate):
+    pass
+    
+class UpdateLink(SharableUpdate):
+    pass
+
+class UpdateSnippet(SharableUpdate):
+    pass