0
我有一个Event
类。活动有presenters
。 presenters
被放置在“参加者”列表中。演讲者应该有一个标志,表明他们实际上是出席者列表中的演讲者。即:他们的头像旁边的复选标记{% if is_presenter %}
。截至目前,它正在为所有与会者添加复选标记。我只想显示presenters
的标志。我究竟做错了什么?如何添加复选标记以仅显示那些呈现? (另外,我不知道我的头衔是否适合这种情况,请告诉我)。自定义django模板标记/参数忽略条件
型号:
class Event(models.Model):
title = models.CharField(max_length=200)
presenters = models.ManyToManyField(Profile, null=True, blank=True)
url = models.CharField(max_length=200)
description = models.TextField()
date = models.DateTimeField()
created = models.DateTimeField(auto_now_add=True)
modified = models.DateTimeField(auto_now=True)
tags = models.ManyToManyField(Tag, null=True, blank=True)
class Attendee(models.Model):
event = models.ForeignKey(Event)
content_type = models.ForeignKey(ContentType)
object_id = models.PositiveIntegerField()
profile = generic.GenericForeignKey('content_type', 'object_id')
浏览:
def event(request, id):
event = get_object_or_404(Event, id=id)
is_attending = False
is_presenter = False
if request.user.is_authenticated():
profile = Profile.objects.get(user=request.user)
attendees = [a.profile for a in Attendee.objects.filter(event=event)]
if profile in attendees:
is_attending = True
for presenter in event.presenters.all():
is_attending = True
try:
content_type = ContentType.objects.get(app_label='profiles', model='profile')
Attendee.objects.get(event=event, content_type=content_type, object_id=presenter.id)
is_presenter = True
except Attendee.DoesNotExist:
Attendee(event=event, profile=presenter).save()
模板:
{% for attendee in event.attendees %}
<div class="inline-block">
<a href="/profile/{{ attendee.profile.get_type|lower}}/{{ attendee.profile.user.username }}"{% if attendee.profile.is_presenter %}title="Presenter" class="tooltip-below"{% endif %}>
<img width=30 height=30 src="{% if attendee.profile.avatar %}{% thumbnail attendee.profile.avatar 30x30 crop %}{% else %}{{ DEFAULT_AVATAR }}{% endif %}" />
</a>
{% if is_presenter %}
<i class="icon-ok-sign"></i>
{% endif %}
</div>
{% endfor %}
添加您的解决方案使复选标记消失。这似乎是检查标记显示的唯一方法,就是在'try'中有'is_presenter'。我想我要做的是检查参加者是否是主持人。如果是这样,显示标志(复选标记)。希望能为您澄清事情,并感谢您的建议。 – Modelesq 2012-07-11 21:16:23