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from django.db.models import Count
from taggit.models import Tag
from math import floor
from operator import itemgetter
from django.conf import settings
import os
from random import choice
def randomheader(request):
header_file = choice(filter(
lambda x: os.path.isfile(
settings.HEADER_DIR + os.path.sep + x
),
os.listdir(settings.HEADER_DIR)
))
return {'header': header_file}
def tagcloud(request):
tagcloud = []
tagcloudlist = Tag.objects.annotate(
ct = Count('taggit_taggeditem_items')
).order_by('-ct')
if (len(tagcloudlist) > 0):
tmax = tagcloudlist[0].ct
tmin = 1
if (tmax == tmin):
tmax += 1
for cloudelement in tagcloudlist:
tagcount = cloudelement.ct
if (tagcount >= tmin):
size = int(floor((5.0 * (tagcount - tmin)) / (tmax - tmin)))
tagcloud.append({
'name': cloudelement.name,
'slug': cloudelement.slug,
'size': size
})
tagcloud.sort(key = itemgetter('name'))
return {'tagcloud': tagcloud}
def viewname(request):
if hasattr(request, 'view_name'):
return {
'view_name': request.view_name,
}
else:
return {}