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Added "reversed" option to get_comment_list templatetag to return comments in most-recent-first order. 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@244 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Jacob Kaplan-Moss 2005-07-20 17:07:30 +00:00
parent 1fc28dea11
commit 890bd5b0d2
1 changed files with 50 additions and 18 deletions
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66
django/contrib/comments/templatetags/comments.py
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@ -128,10 +128,11 @@ class CommentCountNode(template.Node):
return ''
class CommentListNode(template.Node):
def __init__(self, package, module, context_var_name, obj_id, var_name, free):
def __init__(self, package, module, context_var_name, obj_id, var_name, free, ordering):
self.package, self.module = package, module
self.context_var_name, self.obj_id = context_var_name, obj_id
self.var_name, self.free = var_name, free
self.ordering = ordering
def render(self, context):
from django.conf.settings import COMMENTS_BANNED_USERS_GROUP, SITE_ID
@ -147,7 +148,7 @@ class CommentListNode(template.Node):
'content_type__python_module_name__exact': self.module,
'site_id__exact': SITE_ID,
'select_related': True,
'order_by': (('submit_date', 'ASC'),),
'order_by': (('submit_date', self.ordering),),
}
if not self.free and COMMENTS_BANNED_USERS_GROUP:
kwargs['select'] = {'is_hidden': 'user_id IN (SELECT user_id FROM auth_users_groups WHERE group_id = %s)' % COMMENTS_BANNED_USERS_GROUP}
@ -169,11 +170,17 @@ class CommentListNode(template.Node):
class DoCommentForm:
"""
Displays a comment form for the given params. Syntax:
Displays a comment form for the given params.
Syntax::
{% comment_form for [pkg].[py_module_name] [context_var_containing_obj_id] with [list of options] %}
Example usage:
Example usage::
{% comment_form for lcom.eventtimes event.id with is_public yes photos_optional thumbs,200,400 ratings_optional scale:1-5|first_option|second_option %}
[context_var_containing_obj_id] can be a hard-coded integer or a variable containing the ID.
``[context_var_containing_obj_id]`` can be a hard-coded integer or a variable containing the ID.
"""
def __init__(self, free, tag_name):
self.free, self.tag_name = free, tag_name
@ -239,11 +246,18 @@ class DoCommentCount:
"""
Gets comment count for the given params and populates the template context
with a variable containing that value, whose name is defined by the 'as'
clause. Syntax:
clause.
Syntax::
{% get_comment_count for [pkg].[py_module_name] [context_var_containing_obj_id] as [varname] %}
Example usage:
Example usage::
{% get_comment_count for lcom.eventtimes event.id as comment_count %}
Note: [context_var_containing_obj_id] can also be a hard-coded integer, like this:
Note: ``[context_var_containing_obj_id]`` can also be a hard-coded integer, like this::
{% get_comment_count for lcom.eventtimes 23 as comment_count %}
"""
def __init__(self, free, tag_name):
@ -280,14 +294,26 @@ class DoCommentCount:
class DoGetCommentList:
"""
Gets comments for the given params and populates the template context with
a special comment_package variable, whose name is defined by the 'as'
clause. Syntax:
{% get_comment_list for [pkg].[py_module_name] [context_var_containing_obj_id] as [varname] %}
Example usage:
Gets comments for the given params and populates the template context with a
special comment_package variable, whose name is defined by the ``as``
clause.
Syntax::
{% get_comment_list for [pkg].[py_module_name] [context_var_containing_obj_id] as [varname] (reversed) %}
Example usage::
{% get_comment_list for lcom.eventtimes event.id as comment_list %}
Note: [context_var_containing_obj_id] can also be a hard-coded integer, like this:
Note: ``[context_var_containing_obj_id]`` can also be a hard-coded integer, like this::
{% get_comment_list for lcom.eventtimes 23 as comment_list %}
To get a list of comments in reverse order -- that is, most recent first --
pass ``reversed`` as the last param::
{% get_comment_list for lcom.eventtimes event.id as comment_list reversed %}
"""
def __init__(self, free, tag_name):
self.free, self.tag_name = free, tag_name
@ -296,8 +322,8 @@ class DoGetCommentList:
tokens = token.contents.split()
# Now tokens is a list like this:
# ['get_comment_list', 'for', 'lcom.eventtimes', 'event.id', 'as', 'comment_list']
if len(tokens) != 6:
raise template.TemplateSyntaxError, "%s block tag requires 5 arguments" % self.tag_name
if 6 <= len(tokens) <= 7
raise template.TemplateSyntaxError, "%s block tag requires 5 or 6 arguments" % self.tag_name
if tokens[1] != 'for':
raise template.TemplateSyntaxError, "Second argument in '%s' tag must be 'for'" % self.tag_name
try:
@ -319,7 +345,13 @@ class DoGetCommentList:
var_name = tokens[3]
if tokens[4] != 'as':
raise template.TemplateSyntaxError, "Fourth argument in '%s' must be 'as'" % self.tag_name
return CommentListNode(package, module, var_name, obj_id, tokens[5], self.free)
if len(tokens) == 7:
if tokens[6] != 'reversed':
raise template.TemplateSyntaxError, "Final argument in '%s' must be 'reversed' if given" % self.tag_name
ordering = "DESC"
else:
ordering = "ASC"
return CommentListNode(package, module, var_name, obj_id, tokens[5], self.free, ordering)
# registration comments
template.register_tag('get_comment_list', DoGetCommentList(free=False, tag_name='get_comment_list'))