359 lines
11 KiB
Python
359 lines
11 KiB
Python
import uuid
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from enum import Enum
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from django.db import models
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from django.db.models import UniqueConstraint, Value
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from django.db.models.functions import Replace
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from django.utils.text import slugify
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from django.utils.translation import gettext_lazy as _
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from grapple.models import GraphQLString
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from wagtail.models import Page
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from vbv_lernwelt.core.model_utils import find_available_slug
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from vbv_lernwelt.core.models import User
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from vbv_lernwelt.course.serializer_helpers import get_course_serializer_class
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from vbv_lernwelt.files.models import UploadFile
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class CircleContactType(Enum):
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EXPERT = "EXPERT"
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LEARNING_MENTOR = "LEARNING_MENTOR"
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class Course(models.Model):
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title = models.CharField(_("Titel"), max_length=255)
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category_name = models.CharField(
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_("Kategorie-Name"), max_length=255, default="Kategorie"
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)
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slug = models.SlugField(
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_("Slug"), max_length=255, unique=True, blank=True, allow_unicode=True
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)
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def get_course_url(self):
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return f"/course/{self.slug}"
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def get_cockpit_url(self):
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return f"{self.get_course_url()}/cockpit"
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def get_learning_path(self):
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from vbv_lernwelt.learnpath.models import LearningPath
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return self.coursepage.get_children().exact_type(LearningPath).first().specific
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def get_action_competences(self):
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from vbv_lernwelt.competence.models import ActionCompetence
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return self.coursepage.get_descendants().exact_type(ActionCompetence).specific()
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def get_media_library_url(self):
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from vbv_lernwelt.media_library.models import MediaLibraryPage
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media_library_page = (
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self.coursepage.get_children().exact_type(MediaLibraryPage).first()
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)
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return media_library_page.specific.get_frontend_url()
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def __str__(self):
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return f"{self.title}"
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class CourseCategory(models.Model):
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# Die Handlungsfelder im "Versicherungsvermittler/in"
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title = models.CharField(_("Titel"), max_length=255, blank=True)
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course = models.ForeignKey("course.Course", on_delete=models.CASCADE)
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general = models.BooleanField(_("Allgemein"), default=False)
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def __str__(self):
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return f"{self.course} / {self.title}"
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class CourseBasePage(Page):
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class Meta:
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abstract = True
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serialize_field_names = []
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serialize_base_field_names = [
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"id",
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"title",
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"slug",
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"content_type",
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"translation_key",
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"frontend_url",
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]
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graphql_fields = [
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GraphQLString(
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field_name="frontend_url",
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source="get_graphql_frontend_url",
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)
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]
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def get_graphql_frontend_url(self, values):
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return self.get_frontend_url()
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def get_course_parent(self):
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return self.get_ancestors(inclusive=True).exact_type(CoursePage).last()
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def get_course(self):
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course_parent_page = self.get_course_parent()
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if course_parent_page:
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return course_parent_page.specific.course
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return None
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def get_circle(self):
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from vbv_lernwelt.learnpath.models import Circle
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try:
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return self.get_ancestors().exact_type(Circle).first()
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except Exception:
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# noop
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pass
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return None
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def get_circles(self):
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course_parent_page = self.get_course_parent()
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if course_parent_page:
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from vbv_lernwelt.learnpath.models import Circle, LearningPath
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circles = (
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course_parent_page.get_children()
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.exact_type(LearningPath)
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.first()
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.get_children()
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.exact_type(Circle)
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)
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return circles
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return None
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@classmethod
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def get_serializer_class(cls):
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return get_course_serializer_class(
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cls,
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field_names=cls.serialize_field_names,
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base_field_names=cls.serialize_base_field_names,
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)
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def __str__(self):
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return f"{self.title}"
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def _update_descendant_slugs(self, old_slug, new_slug):
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"""
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this method is inspired by `_update_descendant_url_paths` from wagtail Page
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"""
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Page.objects.filter(path__startswith=self.path).exclude(pk=self.pk).update(
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slug=Replace("slug", Value(old_slug), Value(new_slug))
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)
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def save(self, clean=True, user=None, log_action=False, **kwargs):
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slug_changed = False
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if self.id is not None:
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old_record = Page.objects.get(id=self.id).specific
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if old_record.slug != self.slug:
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self.set_url_path(self.get_parent())
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slug_changed = True
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old_slug = old_record.slug
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new_slug = self.slug
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super().save(**kwargs)
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if slug_changed:
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self._update_descendant_slugs(old_slug, new_slug)
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class CoursePage(CourseBasePage):
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content_panels = Page.content_panels
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# subpage_types = [
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# "learnpath.LearningPath",
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# "competence.CompetenceProfilePage",
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# "media_library.MediaLibraryPage",
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# "assignment.AssignmentListPage",
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# ]
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course = models.OneToOneField("course.Course", on_delete=models.PROTECT)
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class Meta:
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verbose_name = _("Lehrgang-Seite")
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def save(self, *args, **kwargs):
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self.slug = find_available_slug(
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slugify(self.title, allow_unicode=True), ignore_page_id=self.id
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)
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super(CoursePage, self).save(*args, **kwargs)
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def __str__(self):
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return f"{self.title}"
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class CourseCompletionStatus(Enum):
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SUCCESS = "SUCCESS"
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FAIL = "FAIL"
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UNKNOWN = "UNKNOWN"
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class CourseCompletionStatusChoices(models.TextChoices):
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SUCCESS = CourseCompletionStatus.SUCCESS.value, "Success"
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FAIL = CourseCompletionStatus.FAIL.value, "Fail"
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UNKNOWN = CourseCompletionStatus.UNKNOWN.value, "Unknown"
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class CourseCompletion(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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# page can logically be a LearningContent or a PerformanceCriteria for now
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page = models.ForeignKey(Page, on_delete=models.CASCADE)
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# store for convenience and performance...
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page_type = models.CharField(max_length=255, default="", blank=True)
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course_session = models.ForeignKey("course.CourseSession", on_delete=models.CASCADE)
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completion_status = models.CharField(
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max_length=255,
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choices=CourseCompletionStatusChoices.choices,
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default=CourseCompletionStatus.UNKNOWN,
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)
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additional_json_data = models.JSONField(default=dict, blank=True)
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class Meta:
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constraints = [
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UniqueConstraint(
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fields=["user", "page", "course_session"],
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name="course_completion_unique_user_page_key",
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)
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]
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class CourseSession(models.Model):
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"""
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Die Durchführung eines Kurses
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Benutzer die an eine CourseSession gehängt sind können diesen Lehrgang sehen
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Das anhängen kann via CourseSessionUser oder "Schulklasse (TODO)" geschehen
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"""
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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course = models.ForeignKey("course.Course", on_delete=models.CASCADE)
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title = models.TextField(unique=True)
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import_id = models.TextField(blank=True, default="")
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generation = models.TextField(blank=True, default="")
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region = models.TextField(blank=True, default="")
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group = models.TextField(blank=True, default="")
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start_date = models.DateField(null=True, blank=True)
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end_date = models.DateField(null=True, blank=True)
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additional_json_data = models.JSONField(default=dict, blank=True)
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def __str__(self):
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return f"{self.title}"
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class Meta:
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ordering = ["title"]
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class CourseSessionUser(models.Model):
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"""
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Ein Benutzer der an einer Durchführung teilnimmt
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"""
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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created_at = models.DateTimeField(auto_now_add=True)
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updated_at = models.DateTimeField(auto_now=True)
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course_session = models.ForeignKey("course.CourseSession", on_delete=models.CASCADE)
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user = models.ForeignKey(User, on_delete=models.CASCADE)
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class Role(models.TextChoices):
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MEMBER = "MEMBER", _("Teilnehmer")
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EXPERT = "EXPERT", _("Experte/Trainer")
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role = models.CharField(choices=Role.choices, max_length=255, default=Role.MEMBER)
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expert = models.ManyToManyField(
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"learnpath.Circle", related_name="expert", blank=True
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)
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optional_attendance = models.BooleanField(default=False)
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chosen_profile = models.ForeignKey(
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"learnpath.CourseProfile", on_delete=models.SET_NULL, blank=True, null=True
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)
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class Meta:
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constraints = [
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UniqueConstraint(
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fields=[
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"course_session",
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"user",
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],
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name="course_session_user_unique_course_session_user",
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)
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]
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ordering = ["user__last_name", "user__first_name", "user__email"]
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def __str__(self):
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return f"{self.user} ({self.course_session.title})"
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class CircleDocument(models.Model):
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id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
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created_at = models.DateTimeField(auto_now_add=True)
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file = models.OneToOneField(UploadFile, on_delete=models.CASCADE)
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name = models.CharField(max_length=100)
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course_session = models.ForeignKey("course.CourseSession", on_delete=models.CASCADE)
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learning_sequence = models.ForeignKey(
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"learnpath.LearningSequence", on_delete=models.CASCADE
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)
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def get_circle(self):
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return self.learning_sequence.get_circle()
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@property
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def url(self) -> str:
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return self.file.url
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@property
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def file_name(self) -> str:
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return self.file.original_file_name
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def delete(self, *args, **kwargs):
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self.file.upload_finished_at = None
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self.file.save()
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return super().delete(*args, **kwargs)
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class CourseConfiguration(models.Model):
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course = models.OneToOneField(
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Course, on_delete=models.CASCADE, related_name="configuration"
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)
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enable_circle_documents = models.BooleanField(
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_("Dokumente im Circle ein/aus"), default=True
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)
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enable_learning_mentor = models.BooleanField(
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_("Lernmentor-Funktion ein/aus"), default=True
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)
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enable_competence_certificates = models.BooleanField(
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_("Kompetenzweise ein/aus"), default=True
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)
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is_vv = models.BooleanField(_("Versicherungsvermittler-Lehrgang"), default=False)
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is_uk = models.BooleanField(_("ÜK-Lehrgang"), default=False)
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def __str__(self):
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return f"Course Configuration for '{self.course.title}'"
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