52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division, with_statement
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from django.db import models
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import managers
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from item.models import Item, ItemSort
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class Sequence(models.Model):
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class Meta:
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unique_together = ("item", "start", "end", "mode")
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mode = models.CharField(max_length=128)
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item = models.ForeignKey(Item, null=True, related_name='sequences')
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sort = models.ForeignKey(ItemSort, null=True, related_name='sequences')
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user = models.IntegerField(db_index=True, null=True)
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hash = models.CharField(db_index=True, max_length=16, default='')
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start = models.FloatField(default=-1, db_index=True)
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end = models.FloatField(default=-1)
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duration = models.FloatField(default=0)
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objects = managers.SequenceManager()
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def save(self, *args, **kwargs):
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self.duration = self.end - self.start
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if self.item:
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self.user = self.item.user and self.item.user.id
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self.sort = self.item.sort
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super(Sequence, self).save(*args, **kwargs)
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@property
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def public_id(self):
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return u"%s/%0.03f-%0.03f" % (self.item.itemId, float(self.start), float(self.end))
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def __unicode__(self):
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return self.public_id
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def json(self, keys=None, user=None):
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j = {
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'id': self.public_id,
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'hash': self.hash,
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'in': float('%0.03f' % self.start),
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'out': float('%0.03f' % self.end),
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}
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if keys:
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for key in keys:
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if key not in j:
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j[key] = self.item.json.get(key)
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return j
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