299 lines
9.0 KiB
Python
299 lines
9.0 KiB
Python
from django.db import models
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from django.db.models import UniqueConstraint
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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 django_jsonform.models.fields import JSONField
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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 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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class Meta:
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verbose_name = _("Lehrgang")
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def get_course_url(self):
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return f"/course/{self.slug}"
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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_learning_path_url(self):
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return self.get_learning_path().get_frontend_url()
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def get_competence_url(self):
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from vbv_lernwelt.competence.models import CompetenceProfilePage
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competence_page = (
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self.coursepage.get_children().exact_type(CompetenceProfilePage).first()
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)
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return competence_page.specific.get_frontend_url()
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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_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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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 CourseCompletion(models.Model):
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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_key = models.UUIDField()
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page_type = models.CharField(max_length=255, default="", blank=True)
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page_slug = 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=[
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("unknown", "unknown"),
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("success", "success"),
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("fail", "fail"),
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],
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default="unknown",
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)
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additional_json_data = models.JSONField(default=dict)
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class Meta:
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constraints = [
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UniqueConstraint(
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fields=["user", "page_key", "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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ATTENDANCE_DAYS_SCHEMA = {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"learningContentId": {
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"type": "number",
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"title": "ID des Lerninhalts",
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"required": True,
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},
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"date": {"type": "string"},
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"location": {"type": "string"},
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"trainer": {"type": "string"},
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},
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},
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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()
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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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attendance_days = JSONField(schema=ATTENDANCE_DAYS_SCHEMA, blank=True, default=list)
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assignment_details_list = models.JSONField(default=list, 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 CourseSessionUser(models.Model):
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"""
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Ein Benutzer der an einer CourseSession teilnimmt
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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_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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TUTOR = "TUTOR", _("Lernbegleitung")
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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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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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def to_dict(self):
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return {
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"session_id": self.course_session.id,
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"session_title": self.course_session.title,
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"user_id": self.user.id,
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"first_name": self.user.first_name,
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"last_name": self.user.last_name,
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"email": self.user.email,
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"avatar_url": self.user.avatar_url,
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"role": self.role,
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"circles": self.expert.all().values(
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"id", "title", "slug", "translation_key"
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),
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}
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class CircleDocument(models.Model):
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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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@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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