40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
# -*- coding: utf-8 -*-
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from django.db import models
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from django.utils import timezone
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from tinymce.models import HTMLField
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from taggit.managers import TaggableManager
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from taggit.models import Tag
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from django.db.models import Count, Max, Min
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class Post(models.Model):
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author = models.ForeignKey('auth.User')
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title = models.CharField(max_length=200)
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text = HTMLField()
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created_date = models.DateTimeField(
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default=timezone.now)
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published_date = models.DateTimeField(
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blank=True, null=True)
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tags = TaggableManager(blank=True)
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def publish(self):
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self.published_date = timezone.now()
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self.save()
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def __unicode__(self):
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return self.title
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def font_size(self):
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min_font = 12
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max_font = 28
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v = Tag.objects.all().annotate(c = Count('post')).filter(c__gt = 0).aggregate(Min('c'), Max('c'))
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max_tag, min_tag = v["c__max"], v["c__min"]
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step = (max_font - min_font)/float(max_tag-min_tag)
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tag_count = Post.objects.filter(tags__name=self.name).count()
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#print Tag.objects.filter(name=self.name).annotate(c = Count('post'))
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font = int(min_font + (tag_count-min_tag)*step)
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return font
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Tag.f = font_size
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