def images_index(request):
query = __store_session_query(request, File.get_all_images())
try:
del request.session['random_list']
except KeyError:
pass
per_page = 24
paginator = Paginator(query, per_page)
page = request.GET.get('page')
try:
files = paginator.page(page)
except PageNotAnInteger:
files = paginator.page(1)
page = 1
except EmptyPage:
files = paginator.page(paginator.num_pages)
page = paginator.num_pages
page = int(page)
page_range = []
threshold = 10
threshold_size = (threshold*2) + 1
# build initial page range list
for i in xrange(1, paginator.num_pages+1):
if i+threshold >= page and i <= page:
page_range.append(i)
elif i-threshold <= page and i >= page:
page_range.append(i)
# if the length of page_range is less than the threshold size, add to it
if len(page_range) < threshold_size:
if page <= threshold:
i = page_range[-1]
while len(page_range) < threshold_size and i < paginator.num_pages:
i = i + 1
page_range.append(i)
else:
i = page_range[0]
while len(page_range) < threshold_size and i > 1:
i = i - 1
page_range.insert(0, i)
if page_range[0] != 1:
page_range.insert(0, '...')
if page_range[-1] != paginator.num_pages:
page_range.append('...')
i = per_page * (page-1) + 1
for f in files:
f.num = i
i = i + 1
context = {'files': files, 'page_range': page_range}
if request.GET.get('view') == 'list':
context['view'] = 'list'
return render(request, 'images/index.html', context)
