35 lines
1000 B
Python
35 lines
1000 B
Python
from django.db.models import Count
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from taggit.models import Tag
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from math import floor
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from operator import itemgetter
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from django.conf import settings
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import os
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from random import choice
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def randomheader(request):
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header_file = choice(filter(lambda x: os.path.isfile(settings.HEADER_DIR + os.path.sep + x), os.listdir(settings.HEADER_DIR)))
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return {'header': header_file}
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def tagcloud(request):
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tagcloudlist = Tag.objects.annotate(ct=Count('taggit_taggeditem_items')).order_by('-ct')
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if (len(tagcloudlist) > 0):
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tmax = tagcloudlist[0].ct
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tmin = 1
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if (tmax == tmin):
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tmax += 1
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tagcloud = []
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for cloudelement in tagcloudlist:
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tagcount = cloudelement.ct
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if (tagcount >= tmin):
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size = int(floor((5.0 * (tagcount - tmin)) / (tmax - tmin)))
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tagcloud.append({'name': cloudelement.name, 'slug': cloudelement.slug, 'size': size})
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tagcloud.sort(key=itemgetter('name'))
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return {'tagcloud': tagcloud}
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