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# coding=utf8
from __future__ import unicode_literals, absolute_import, print_function
from django.db import models
from talos.models.diary.diary import Diary
from talos.services.tag import TagService
class DiaryTag(models.Model):
class Meta:
app_label = 'talos'
db_table = 'api_diary_tags'
diary = models.ForeignKey(Diary)
tag_id = models.IntegerField()
def __unicode__(self):
return "%s:%d" % (self.tag_id, self.diary_id)
@classmethod
def create_bind(cls, diary_id, tag_id):
diary_exists = Diary.objects.filter(id=diary_id).exists()
tag_exists = TagService.get_tag_by_tag_id(id=tag_id) is not None
if diary_exists and tag_exists:
dt = cls()
dt.diary_id = diary_id
dt.tag_id = tag_id
dt.save()
return True
else:
return False
class DiaryTagV3(models.Model):
class Meta:
db_table = 'api_diary_tag_v3'
app_label = "talos"
diary_id = models.IntegerField(verbose_name="日记本id", db_index=True)
tag_v3_id = models.IntegerField(verbose_name="标签V3", db_index=True)