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48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
from datetime import datetime, timedelta
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from django.db import models
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from spa.models.mix import Mix
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from spa.models.userprofile import UserProfile
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from spa.models.basemodel import BaseModel
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import recurrence
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import recurrence.fields
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class ShowOverlapException(Exception):
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pass
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class Show(BaseModel):
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mix = models.ForeignKey(Mix, related_name='show', blank=True, null=True)
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user = models.ForeignKey(UserProfile, related_name='owned_shows')
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performer = models.ForeignKey(UserProfile, related_name='shows')
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start_date = models.DateTimeField()
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end_date = models.DateTimeField(blank=True)
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recurrence = models.CharField(max_length=1)
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description = models.CharField(max_length=2048)
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class Meta:
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app_label = 'spa'
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def save(self, force_insert=False, force_update=False, using=None, update_fields=None):
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# throw an exception if event overlaps with another event
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if not self.end_date:
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# Default show is one hour
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self.end_date = self.start_date + timedelta(hours=1)
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overlaps = Show.objects.filter(
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models.Q(start_date__gte=self.start_date, end_date__lte=self.start_date) |
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models.Q(start_date__gte=self.end_date, end_date__lte=self.end_date)
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)
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if len(overlaps) != 0:
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raise ShowOverlapException()
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return super(Show, self).save(force_insert, force_update, using, update_fields)
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def get_recurrence_rrule(self):
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r = recurrence.Recurrence(
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dtstart=self.start_date,
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dtend=datetime(2014, 1, 3, 0, 0, 0),
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rrules=[recurrence.Rule(recurrence.WEEKLY), ]
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)
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return r
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