335 lines
9.9 KiB
Python
335 lines
9.9 KiB
Python
import re
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import logging
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from urllib.request import URLError
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from datetime import timedelta
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from django.contrib.auth.models import User
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from django.core.validators import ValidationError
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from django.db import models
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from django.urls import reverse
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from django.utils import timezone
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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 taggit.managers import TaggableManager
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from documents import getPadHTML, setPadHTML, createPadifNotExists
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from .managers import (
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PostManager,
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ArticleManager,
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NewsManager,
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AllEventManager,
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EventManager,
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FetMeetingManager,
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)
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logger = logging.getLogger(__name__)
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request_logger = logging.getLogger("django.request")
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def create_pad_for_post(slug, typ="agenda"):
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"Creates a Etherpad Pad and returns EtherpadKey"
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return createPadifNotExists(slug + "-" + typ)
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class Category(models.Model):
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# Titel des Posts
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title = models.CharField(max_length=200)
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subtitle = models.CharField(max_length=500, null=True, blank=True)
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# Slug = Text Basierter url bestandteil zb Fetsitzung 22.1.2020 --> fetsitzung_22_1_2020 für Url
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slug = models.SlugField(unique=True, null=True, blank=True)
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# Ein Haupt Bild für den Post
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image = models.ImageField(null=True, blank=True)
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tags = TaggableManager(blank=True)
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class Meta:
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verbose_name = "Category"
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verbose_name_plural = "Categories"
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class Post(models.Model):
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# legacy id is for the posts from the old website
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legacy_id = models.IntegerField(null=True, blank=True)
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title = models.CharField(verbose_name="Titel", max_length=200)
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subtitle = models.CharField(max_length=500, null=True, blank=True)
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tags = TaggableManager(blank=True)
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# Slug = Text Basierter url bestandteil zb Fetsitzung 22.1.2020 --> fetsitzung_22_1_2020 für Url
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slug = models.SlugField(unique=True, blank=True)
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body = models.TextField(null=True, blank=True)
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image = models.ImageField(null=True, blank=True)
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author = models.ForeignKey(User, on_delete=models.SET_NULL, null=True, blank=True)
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public_date = models.DateField(
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verbose_name="Veröffentlichung", null=True, blank=True, default=timezone.now
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)
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__choices = [("N", _("News")), ("E", _("Event")), ("F", _("FetMeeting"))]
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post_type = models.CharField(max_length=1, choices=__choices, editable=True)
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# post is pinned at main page
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is_pinned = models.BooleanField(verbose_name="ANGEHEFTET", default=False)
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# post is hidden from newsfeed (e.g. about)
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is_hidden = models.BooleanField(verbose_name="UNSICHTBAR", default=False)
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# addional infos for events
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event_start = models.DateTimeField(verbose_name="Event Start", null=True, blank=True)
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event_end = models.DateTimeField(verbose_name="Event Ende", null=True, blank=True)
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event_place = models.CharField(max_length=200, null=True, blank=True)
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# protocol for fet meeting
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has_protocol = models.BooleanField(default=False)
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has_agenda = models.BooleanField(default=False)
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protocol_key = models.CharField(max_length=200, null=True, blank=True)
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agenda_key = models.CharField(max_length=200, null=True, blank=True)
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# TimeStamps
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date_modified = models.DateTimeField(auto_now=True)
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date_created = models.DateTimeField(auto_now_add=True)
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# useless (-_-)
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legacy_rubrik_id = models.IntegerField(null=True, blank=True)
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imported_from = models.CharField(max_length=200, null=True, blank=True)
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# Managers
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objects = PostManager()
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articles = ArticleManager()
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def get_tags(self):
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"""Returns assigned tags as a comma seperated list."""
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return ",".join(self.tags.names())
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@property
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def agenda_html(self):
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"Agenda HTML from Etherpad Pad"
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if not self.agenda_key:
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return None
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return getPadHTML(self.agenda_key)
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@property
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def protocol_html(self):
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"Protocol HTML from Etherpad Pad"
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if not self.protocol_key:
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return None
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return getPadHTML(self.protocol_key)
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@agenda_html.setter
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def agenda_html(self, value):
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if not self.agenda_key:
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self.agenda_key = self.get_agenda_key()
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if not value or not self.agenda_key:
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return None
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setPadHTML(self.agenda_key, value)
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request_logger.info(
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"set etherpad! for post %s id: %s", self.slug, self.agenda_key
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)
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return value
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@protocol_html.setter
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def protocol_html(self, value):
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if not self.protocol_key:
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self.protocol_key = self.get_protocol_key()
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if not value or not self.protocol_key:
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return None
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setPadHTML(self.protocol_key, value)
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request_logger.info(
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"set etherpad! for post %s id: %s", self.slug, self.protocol_key
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)
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return value
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def get_agenda_key(self):
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"""Create a Etherpad Id for the Pad associated to this post.
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Creates the pad if it doesn't exist"""
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if not self.slug:
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return None
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return create_pad_for_post(self.slug, typ="agenda")
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def get_protocol_key(self):
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"""Create a Etherpad Id for the Pad associated to this post.
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Creates the pad if it doesn't exist"""
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if not self.slug:
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return None
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return create_pad_for_post(self.slug, typ="protocol")
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@property
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def get_tagnames(self):
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return ["#%s" % t for t in self.tags.names()]
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@property
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def tag_string(self):
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return self.get_tags()
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@property
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def imageurl(self):
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""" returns the url to the image"""
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if self.image:
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return self.image.url
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image = self.find_an_image()
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if image:
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return image.url
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return ""
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def find_an_image(self):
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"find an image via another post"
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# TODO: Explain why this image is selected on save of the image
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# Query all posts that have a slug that equals one of the tags
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posts1 = (
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Post.objects.filter(slug__in=self.tags.names())
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.filter(image__isnull=False)[0:1]
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.all()
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)
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if len(posts1) > 0:
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return posts1.get().image
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return None
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@property
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def url(self):
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return reverse("posts.show", kwargs={"id": self.slug})
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def clean(self):
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if self.event_end and self.event_end < self.event_start:
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raise ValidationError(_("Das Ende des Events liegt vor dem Beginn."))
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if self.event_start and self.post_type not in ["E", "F"]:
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raise ValidationError("Für diesen Post Typ ist kein Event Start zulässig")
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super().clean()
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def save(self, *args, **kwargs):
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# save the post with some defaults
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if not self.public_date:
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self.public_date = timezone.now().date()
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if not self.slug:
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self.slug = slugify(self.public_date) + "-" + slugify(self.title)
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super().save(*args, **kwargs)
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self.tags.set(
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*re.findall(r"\#([\d\w-]+)", str(self.subtitle)),
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*re.findall(r"\#([\d\w-]+)", str(self.title))
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)
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def __str__(self):
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return "Post (%s, %s): %s" % (
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self.slug,
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self.public_date.strftime("%d.%m.%Y"),
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self.title,
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)
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class News(Post):
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objects = NewsManager()
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class Meta:
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proxy = True
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verbose_name = "News"
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verbose_name_plural = "News"
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def save(self, *args, **kwargs):
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if not self.post_type:
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self.post_type = "N"
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super().save(*args, **kwargs)
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class Event(Post):
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only_events = EventManager()
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all_events = AllEventManager()
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class Meta:
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proxy = True
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verbose_name = "Event"
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verbose_name_plural = "Events"
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.post_type = "E"
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def clean(self):
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if not self.event_start:
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raise ValidationError(_("Das Datum des Events fehlt."))
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super().clean()
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def save(self, *args, **kwargs):
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if not self.post_type:
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self.post_type = "E"
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if not self.event_end:
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self.event_end = self.event_start + timedelta(hours=2)
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super().save(*args, **kwargs)
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class FetMeeting(Event):
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objects = FetMeetingManager()
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class Meta:
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proxy = True
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verbose_name = "Fet Sitzung"
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verbose_name_plural = "Fet Sitzungen"
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.post_type = "F"
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def __get_slug(self):
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slug = slugify(self.event_start.date()) + "-" + slugify("Fachschaftssitzung")
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if Post.objects.filter(slug=slug).exists():
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if Post.objects.get(slug=slug).id != self.id:
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raise ValidationError(
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_("Es existiert bereits eine Sitzung mit demselben Datum.")
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)
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return slug
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def clean(self):
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super().clean()
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if not self.slug:
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self.slug = self.__get_slug()
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def save(self, *args, **kwargs):
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self.title = "Fachschaftssitzung"
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if not self.slug:
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self.slug = self.__get_slug()
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self.has_agenda = True
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self.has_protocol = True
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self.agenda_key = self.get_agenda_key()
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self.protocol_key = self.get_protocol_key()
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if not self.post_type:
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self.post_type = "F"
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if not self.event_place:
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self.event_place = "FET"
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# make duration 2 hours if not specified otherwise
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if not self.event_end:
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self.event_end = self.event_start + timedelta(hours=2)
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super().save(*args, **kwargs)
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class FileUpload(models.Model):
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title = models.CharField(verbose_name="Titel", max_length=200)
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file_field = models.FileField(verbose_name="Dokument", upload_to="uploads/posts/files/")
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post = models.ForeignKey(Post, on_delete=models.CASCADE)
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objects = models.Manager()
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def __str__(self):
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return self.title
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