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Refactored CommentForm.get_comment_object into a handful of separete methods to make it easier for subclasses to provide custom models and data. Refs #8630. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9889 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Jacob Kaplan-Moss 2009-02-23 22:16:00 +00:00
parent 542709d0d1
commit 7d4a954836
1 changed files with 31 additions and 8 deletions
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39
django/contrib/comments/forms.py
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@ -33,7 +33,7 @@ class CommentForm(forms.Form):
initial = {}
initial.update(self.generate_security_data())
super(CommentForm, self).__init__(data=data, initial=initial)
def get_comment_object(self):
"""
Return a new (unsaved) comment object based on the information in this
@ -45,8 +45,28 @@ class CommentForm(forms.Form):
"""
if not self.is_valid():
raise ValueError("get_comment_object may only be called on valid forms")
new = Comment(
CommentModel = self.get_comment_model()
new = CommentModel(**self.get_comment_create_data())
new = self.check_for_duplicate_comment(new)
return new
def get_comment_model(self):
"""
Get the comment model to create with this form. Subclasses in custom
comment apps should override this, get_comment_create_data, and perhaps
check_for_duplicate_comment to provide custom comment models.
"""
return Comment
def get_comment_create_data(self):
"""
Returns the dict of data to be used to create a comment. Subclasses in
custom comment apps that override get_comment_model can override this
method to add extra fields onto a custom comment model.
"""
return dict(
content_type = ContentType.objects.get_for_model(self.target_object),
object_pk = force_unicode(self.target_object._get_pk_val()),
user_name = self.cleaned_data["name"],
@ -58,10 +78,13 @@ class CommentForm(forms.Form):
is_public = True,
is_removed = False,
)
# Check that this comment isn't duplicate. (Sometimes people post comments
# twice by mistake.) If it is, fail silently by returning the old comment.
possible_duplicates = Comment.objects.filter(
def check_for_duplicate_comment(self, new):
"""
Check that a submitted comment isn't a duplicate. This might be caused
by someone posting a comment twice. If it is a dup, silently return the *previous* comment.
"""
possible_duplicates = self.get_comment_model()._default_manager.filter(
content_type = new.content_type,
object_pk = new.object_pk,
user_name = new.user_name,
@ -71,7 +94,7 @@ class CommentForm(forms.Form):
for old in possible_duplicates:
if old.submit_date.date() == new.submit_date.date() and old.comment == new.comment:
return old
return new
def security_errors(self):