91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
from django.contrib.auth import get_user_model
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from django.db import models
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from django.db.models import F
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from books.models import Module
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from core.utils import sync_visible_for, sync_hidden_for
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from users.models import SchoolClass
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class ObjectiveGroup(models.Model):
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class Meta:
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verbose_name = 'Lernzielgruppe'
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verbose_name_plural = 'Lernzielgruppen'
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LANGUAGE_COMMUNICATION = 'language_communication'
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SOCIETY = 'society'
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INTERDISCIPLINARY = 'interdisciplinary'
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TITLE_CHOICES = (
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(LANGUAGE_COMMUNICATION, 'Sprache & Kommunikation'),
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(SOCIETY, 'Gesellschaft'),
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(INTERDISCIPLINARY, 'Überfachliche Lernziele'),
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)
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title = models.CharField('title', blank=True, null=False, max_length=255, choices=TITLE_CHOICES,
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default=LANGUAGE_COMMUNICATION)
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module = models.ForeignKey(Module, blank=False, null=False, on_delete=models.CASCADE,
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related_name='objective_groups')
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hidden_for = models.ManyToManyField(SchoolClass, related_name='hidden_objective_groups', blank=True)
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def __str__(self):
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return '{} - {}'.format(self.module, self.title)
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def sync_visibility(self, school_class_template, school_class_to_sync):
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# if self.hidden_for.filter(id=school_class_template.id).exists() and not self.hidden_for.filter(id=school_class_to_sync.id).exists():
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# self.hidden_for.add(school_class_to_sync)
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#
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# if self.hidden_for.filter(id=school_class_to_sync.id).exists() and not self.hidden_for.filter(id=school_class_template.id).exists():
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# self.hidden_for.remove(school_class_to_sync)
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sync_hidden_for(self, school_class_template, school_class_to_sync)
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for objective in self.objectives.all():
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objective.sync_visibility(school_class_template, school_class_to_sync)
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class Objective(models.Model):
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class Meta:
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verbose_name = 'Lernziel'
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verbose_name_plural = 'Lernziele'
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# todo: reinstate ordering in resolver
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# ordering = [F('owner').asc(nulls_first=True), F('order').asc(nulls_last=True)]
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text = models.CharField('text', blank=True, null=False, max_length=255)
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group = models.ForeignKey(ObjectiveGroup, blank=False, null=False, on_delete=models.CASCADE,
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related_name='objectives')
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owner = models.ForeignKey(get_user_model(), blank=True, null=True, on_delete=models.PROTECT)
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hidden_for = models.ManyToManyField(SchoolClass, related_name='hidden_objectives', blank=True)
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visible_for = models.ManyToManyField(SchoolClass, related_name='visible_objectives', blank=True)
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order = models.IntegerField(null=True, blank=True)
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def __str__(self):
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return 'Objective {}-{}'.format(self.id, self.text)
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def sync_visibility(self, school_class_template, school_class_to_sync):
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sync_hidden_for(self, school_class_template, school_class_to_sync)
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sync_visible_for(self, school_class_template, school_class_to_sync)
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class ObjectiveSnapshot(Objective):
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hidden = models.BooleanField(default=False)
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snapshot = models.ForeignKey(
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'books.Snapshot',
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on_delete=models.SET_NULL,
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null=True,
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related_name='custom_objectives'
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)
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def to_regular_objective(self, owner, school_class):
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objective = Objective.objects.create(
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owner=owner,
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text=self.text,
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group=self.group,
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order=self.order
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)
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objective.visible_for.add(school_class)
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objective.save()
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return objective
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