158 lines
4.7 KiB
Python
158 lines
4.7 KiB
Python
import datetime
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from django.db import models
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from django.utils import timezone
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from wagtail.models import Page
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from vbv_lernwelt.core.models import User
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from vbv_lernwelt.course.models import CourseSession
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class DueDate(models.Model):
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start = models.DateTimeField(
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null=True, db_index=True, help_text="Startdatum ist Pflicht"
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)
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end = models.DateTimeField(
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null=True, blank=True, db_index=True, help_text="Enddatum ist optional"
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)
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manual_override_fields = models.BooleanField(
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default=False,
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help_text="Nur aktivieren, wenn man die Felder manuell überschreiben will",
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)
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title = models.CharField(
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default="",
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max_length=1024,
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help_text="Title wird standarmässig vom LearningContent übernommen",
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)
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assignment_type_translation_key = models.CharField(
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default="",
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blank=True,
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max_length=1024,
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help_text="Translation Key aus dem Frontend",
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)
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date_type_translation_key = models.CharField(
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default="",
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blank=True,
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max_length=1024,
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help_text="Translation Key aus dem Frontend",
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)
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subtitle = models.TextField(
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default="",
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blank=True,
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help_text="Überschreibt den Untertitel bei `assignment_type_translation_key` und `date_type_translation_key`",
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)
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url = models.CharField(
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default="",
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blank=True,
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max_length=1024,
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help_text="URL wird vom LearningContent übernommen (sichtbar für Member/Teilnehmer)",
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)
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url_expert = models.CharField(
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default="",
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blank=True,
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max_length=1024,
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help_text="URL wird aus dem LearningContent generiert (sichtbar für den Experten/Trainer)",
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)
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course_session = models.ForeignKey(
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"course.CourseSession",
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on_delete=models.CASCADE,
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blank=True,
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)
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page = models.ForeignKey(Page, on_delete=models.SET_NULL, null=True, blank=True)
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circle_data = models.JSONField(default=dict, blank=True)
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class Meta:
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ordering = ["start", "end"]
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def __str__(self):
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if self.is_undefined:
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return f"{self.title} undefined"
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# Convert the UTC datetime to local time
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local_start = timezone.localtime(self.start) if self.start else None
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start_str = local_start.strftime("%Y-%m-%d %H:%M") if local_start else "-"
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result = f"{self.title} {start_str}"
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if self.end:
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local_end = timezone.localtime(self.end) if self.end else None
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end_str = local_end.strftime("%Y-%m-%d %H:%M") if local_end else "-"
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result += f" - {end_str}"
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return result
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def save(self, *args, **kwargs):
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try:
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circle = self.get_circle()
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# prefetch circle data, because loading it dynamically is too slow
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if circle:
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self.circle_data = {
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"id": str(circle.id),
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"title": circle.title,
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"slug": circle.slug,
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}
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except Exception:
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# noop
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pass
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super().save(*args, **kwargs)
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@property
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def display_subtitle(self):
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result = ""
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if self.subtitle and self.manual_override_fields:
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result = self.subtitle
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result = self.assignment_type_translation_key
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if self.date_type_translation_key:
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result += ": " + self.date_type_translation_key
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return result
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@property
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def is_undefined(self):
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return self.start is None
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@property
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def duration(self):
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if self.end is None:
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return datetime.timedelta(0)
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return self.end - self.start
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def get_circle(self):
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try:
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return self.page.specific.get_circle()
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except Exception:
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# noop
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return None
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@classmethod
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def get_users_next_events_qs(
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cls, user: User, course_session: CourseSession = None, limit=10
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):
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"""
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Returns a queryset of all due dates that are relevant for the given user.
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If course_session is given, only due dates for that course_session are returned.
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The user is determined by via a course session user of a course_assignment.
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"""
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qs = cls.get_next_due_dates_qs()
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if course_session:
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qs = qs.filter(
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course_session=course_session,
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course_session__course_assignment__user=user,
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)
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else:
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qs = qs.filter(course_session__course_assignment__user=user)
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qs = qs.order_by("start")[:limit]
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return qs
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@classmethod
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def get_next_due_dates_qs(cls):
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now = timezone.now()
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qs = cls.objects.filter(start__gte=now)
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return qs
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