90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
from reversion import revisions as reversion
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from django.db import models
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from django.urls import reverse
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from django.core.cache import cache
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from django.core.exceptions import ObjectDoesNotExist
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from mamweb.models.base import SeminarModelBase
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@reversion.register(ignore_duplicates=True)
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class Rocnik(SeminarModelBase):
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class Meta:
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db_table = 'seminar_rocniky'
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verbose_name = 'Ročník'
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verbose_name_plural = 'Ročníky'
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ordering = ['-rocnik']
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# Interní ID
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id = models.AutoField(primary_key=True)
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prvni_rok = models.IntegerField('první rok', db_index=True, unique=True)
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rocnik = models.IntegerField('číslo ročníku', db_index=True, unique=True)
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exportovat = models.BooleanField(
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'export do AESOPa', db_column='exportovat', default=False,
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help_text='Exportuje se jen podle tohoto flagu (ne veřejnosti), a to jen čísla s veřejnou výsledkovkou',
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)
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# má OneToOneField s:
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# RocnikNode
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def __str__(self):
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return '{} ({}/{})'.format(self.rocnik, self.prvni_rok, self.prvni_rok+1)
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def verejne(self):
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return len(self.verejna_cisla()) > 0
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verejne.boolean = True
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verejne.short_description = 'Veřejný (jen dle čísel)'
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def neverejna_cisla(self):
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vc = [c for c in self.cisla.all() if not c.verejne()]
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vc.sort(key=lambda c: c.poradi)
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return vc
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def verejna_cisla(self):
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vc = [c for c in self.cisla.all() if c.verejne()]
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vc.sort(key=lambda c: c.poradi)
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return vc
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def posledni_verejne_cislo(self):
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vc = self.verejna_cisla()
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return vc[-1] if vc else None
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def verejne_vysledkovky_cisla(self):
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vc = list(
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self.cisla.filter(deadline_v_cisle__verejna_vysledkovka=True).distinct()
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)
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vc.sort(key=lambda c: c.poradi)
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return vc
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def posledni_zverejnena_vysledkovka_cislo(self):
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vc = self.verejne_vysledkovky_cisla()
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return vc[-1] if vc else None
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def druhy_rok(self):
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return self.prvni_rok + 1
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def verejne_url(self):
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return reverse('seminar_rocnik', kwargs={'rocnik': self.rocnik})
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@classmethod
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def cached_rocnik(cls, r_id):
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name = 'rocnik_%s' % (r_id, )
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c = cache.get(name)
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if c is None:
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c = cls.objects.get(id=r_id)
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cache.set(name, c, 300)
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return c
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def save(self, *args, **kwargs):
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super().save(*args, **kwargs)
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# *Node.save() aktualizuje název *Nodu.
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try:
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self.rocniknode.save()
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except ObjectDoesNotExist:
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# Neexistující *Node nemá smysl aktualizovat.
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pass
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