from django.db import models
from main.models import Tag, Activity
from django.db.models.signals import post_save, post_delete

class Bookmark(models.Model):
    url = models.URLField(primary_key=True, max_length=255)
    date = models.DateTimeField(auto_now_add=True)
    name = models.CharField(max_length=255)
    description = models.TextField()
#    tags = models.ManyToManyField(Tag, null=True, blank=True)
    priority = models.IntegerField(null=True, blank=True)

    def __unicode__(self):
        return self.name

def bookmark_saved_callback(sender, **kwargs):
    if kwargs['created']:
        acttype = 'add'
    else:
        acttype = 'edit'

    a = Activity(actcategory='link',
                 actdescription=kwargs["instance"].name,
                 acttype = acttype,
                 objpk = kwargs["instance"].pk)
    a.save()

def bookmark_deleted_callback(sender, **kwargs):
    a = Activity(actcategory='link',
                 actdescription=kwargs["instance"].name,
                 acttype = 'delete')
    a.save()

post_save.connect(bookmark_saved_callback, sender=Bookmark)
post_delete.connect(bookmark_deleted_callback, sender=Bookmark)