Hi all,
I have recently started with django and have been able to do good work
with the excellent documentation. Thank you.
However, now I am a little baffled. I have created a gallery app. The
model exists of a Gallery and Photo which has a foreign key to the
Gallery.
Now if I want to use the function photo.get_next_by_date in a template
and there is a photo in another gallery which has that next date it
will return that photo instead of the next one in the gallery.
In my view there are a number of things I could do but I would like to
hear from you which is best...
First of all, if possible can I overwrite the get_next_by_FOO()
function so it checks that the gallery is the same, but how?
Second, I could create a page function in my Photo model as such:
def page(self):
photo_list = [x for x in self.gallery.photo_set.all()]
ind = photo_list.index(self)
return ind + 1
And create a new template tag 'get_next_by_page' which checks for the
page/index.
Finally, in the template, which is fed with and object_list, I could
also try to go back in the for loop (again, don't know how) and just
get the previous/next objects in the list like so:
{% for photo in object_list %}
{% if has_next %}
{# nextPhoto is object_list[currentCounter + 1 ] ? #}
{% endif %}
{% endfor %}
I hope someone can help me. Thanks in advance. Roderik
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