Question 1 is solved. the brackets are wrong. right way is:
{% for event in events %}
event.get_thumbnail_url
{% endfor %}
I would be appreciate if there would be any ideas to my second question
Bernd
On Wed, 2007-10-10 at 23:46 +0200, Bernd wrote:
> Hello,
>
> I'm working on a website with Django and I'm new to django, python and
> webdevelopment. I use the latest django svn-version.
> I have a few pages/templates and they worked. But I think about to
> simplify the source-code with the right use of django and python. I
> think my views are complicated right now and there must/should be a
> better solution.
>
> Models:
>
> class EventType(models.Model):
> type = models.CharField(max_length=40, unique=True)
> useable = models.BooleanField()
> crdate = models.DateTimeField (auto_now_add=True)
> chdate = models.DateTimeField(auto_now=True)
>
> class Event(models.Model):
> eventdate = models.DateField(core=True)
> eventtype = models.ForeignKey(EventType, limit_choices_to =
> {'useable': True})
> show_pics = models.BooleanField()
> crdate = models.DateTimeField(auto_now_add=True)
> chdate = models.DateTimeField(auto_now=True)
>
> def get_thumbnail_url(self):
> return Config.objects.get (key='LINK_FLYER_TN').value % \
> {'edate': self.eventdate.strftime('%Y%m%d'),
> 'mediaurl': settings.MEDIA_URL}
> # returns an url for a thumbnail-picture
> # LINK_FLYER_TN = %(mediaurl)sevents/%(edate)s/%edate)s_tn.jpg
> # I don't save the name in an imagefield, because the only
> difference is the date
>
> class Media(models.Model):
> event = models.ForeignKey(Event)
> partner = models.ForeignKey(Partner)
> desc = models.CharField(max_length=50)
> media = models.ImageField(upload_to='events/%Y%m%d/presse')
> publishdate = models.DateField()
> show_media = models.BooleanField()
> crdate = models.DateTimeField(auto_now_add=True)
> chdate = models.DateTimeField(auto_now=True)
>
>
> 2 Exercises/Questions:
>
> 1... I want to view a thumbnail-list from all events. So I thought I
> pass a dataset to my view
> events =
> Event.objects.select_related().filter(show_pics=True).order_by('-eventdate')
>
>
> But so it's not possible to call:
> {% for event in events %}
> event.get_thumbnail_url()
> {% endfor %}
>
>
> Now my solution is to loop through the dataset in a view and
> build a dictionary with the required information.
> But in that case I loop twice through all events. The first time
> in the view. The second time in the template :-(
>
> Does anybody know a better solution without saving the
> thumbnail-name/url in the database????
>
> 2... For the events I have one ore more "Media". I want to create a
> site with following structure:
>
> Heading with Eventinformation
> First Mediainformation (related to the event above)
> Second Mediainformation (related to the event above)
> ....
>
> Next Heading with Eventinformation
> First Mediainformation (related to the event above)
> .....
>
>
>
> Today my solution is the same as above. I loop through
> events/media in a view and create a dictionary
> {[eventinfo, [mediainfo, mediainfo,..]], [eventinfo, [mediainfo,
> mediainfo,..]],...}
>
>
>
> I hope my explanation is understandable and somebody can help me with
> a better solution. thanks
>
> Regards
> Bernd
>
>
>
>
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