44 - Form Validation on a Post Method

Author: codingforentrepreneurs

src/courses/forms.py

@@ -8,4 +8,10 @@ class Meta:
         model = Course
         fields = [
             'title'
-        ]
+        ]
+    
+    def clean_title(self):
+        title = self.cleaned_data.get('title')
+        if title.lower() == 'abc':
+            raise forms.ValidationError("This is not a valid title")
+        return title

src/courses/views.py

@@ -18,6 +18,7 @@ def post(self, request, *args, **kwargs):
         form = CourseModelForm(request.POST)
         if form.is_valid():
             form.save()
+            form = CourseModelForm()
         context = {"form": form}
         return render(request, self.template_name, context)