76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
from django.db import models
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from django.utils import timezone
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class InfoItem(models.Model):
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name = models.CharField(max_length=255)
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template_url = models.CharField(max_length=512)
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expire_date = models.DateTimeField(blank=True,null=True) # None means never expiring item
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def get_dict(self):
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# fetch options
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opts = {}
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for o in self.options.all():
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opts[o.key] = o.value
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# parse dict
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return {
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'name': self.name,
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'template_url': self.template_url,
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'options': opts
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}
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def __str__(self):
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return self.name
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class InfoInstance(models.Model):
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rotation = models.ForeignKey('Rotation', related_name='instances')
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item = models.ForeignKey('InfoItem')
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duration = models.FloatField(default=15.0) # seconds
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def get_dict(self):
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return {
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'item': self.item.get_dict(),
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'duration': self.duration,
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}
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def __str__(self):
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return "{}: {} ({}s)".format(self.rotation.name, self.item.name, self.duration)
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class InfoOption(models.Model):
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class __meta__:
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unique_together = ("item", "key")
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item = models.ForeignKey('InfoItem', related_name='options')
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key = models.CharField(max_length=255)
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value = models.CharField(max_length=255)
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def __str__(self):
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return "{}: {} -> {}".format(self.item.name, self.key, self.value)
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class Rotation(models.Model):
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name = models.CharField(max_length=255)
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def get_dict(self):
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# exclude expired items from rotation (note: using filter would exclude items with no expide_date)
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instances = self.instances.exclude(item__expire_date__lt=timezone.now())
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instance_list = list(map(lambda i:i.get_dict(), instances))
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return {
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'name': self.name,
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'instances': instance_list,
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}
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def __str__(self):
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return self.name
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class ABBJob(models.Model):
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sw_id = models.IntegerField(default=-1)
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title = models.CharField(max_length=255)
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QR = models.CharField(max_length=255, default="")
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created = models.DateTimeField(default=timezone.now)
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def get_dict(self):
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return {
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"title": self.title,
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"QR": self.QR,
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}
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def __str__(self):
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return self.title
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