forked from 0x2620/pandora
57 lines
1.6 KiB
Python
57 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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from django.db import models
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from item.models import ItemSort
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from . import managers
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def parse_hash(value):
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return int(value, 16) - 9223372036854775808
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def format_hash(value):
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return hex(value + 9223372036854775808)[2:-1].upper()
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class Sequence(models.Model):
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class Meta:
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unique_together = ("sort", "start", "end", "mode")
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MODE = {
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'shape': 0,
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'color': 1
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}
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mode = models.IntegerField(choices=sorted(zip(MODE.values(), list(MODE)), key=lambda k: k[0]), default=0)
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sort = models.ForeignKey(ItemSort, null=True, related_name='sequences', on_delete=models.CASCADE)
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hash = models.BigIntegerField(db_index=True, default=-9223372036854775808)
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start = models.FloatField(default=-1)
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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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super(Sequence, self).save(*args, **kwargs)
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@property
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def public_id(self):
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return "%s/%0.03f-%0.03f" % (self.sort.item.public_id, float(self.start), float(self.end))
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def __str__(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': format_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.sort.item.cache.get(key)
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return j
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