Files
fet2020/fet2020/posts/managers.py

83 lines
2.4 KiB
Python

from django.db import models
from django.db.models import Q
from django.utils import timezone
class PostManager(models.Manager):
def get_queryset(self):
return super().get_queryset()
def get_visible_articles(self):
return self.get_queryset().filter(is_hidden=False)
class ArticleManager(models.Manager):
"""
Provide a query set only for "Article"
regular fet meetings should not be contained in the news stream
"""
def get_queryset(self):
return super().get_queryset().filter(
Q(post_type='E')
| Q(post_type='N')
).order_by('-public_date')
def get_visible_articles(self):
return self.get_queryset().filter(is_hidden=False)
def get_pinned_article(self):
return self.get_visible_articles().filter(is_pinned=True).first()
class NewsManager(models.Manager):
"""
Provide a query set only for "News"
"""
def get_queryset(self):
return super().get_queryset().filter(post_type='N')
def get_visible_articles(self):
return self.get_queryset().filter(is_hidden=False)
class AllEventManager(models.Manager):
"""
Provide a query set for all events ("Event" and "Fet Meeting")
"""
def get_queryset(self):
return super().get_queryset().filter(Q(post_type='E') | Q(post_type='F'))
def get_five_events(self):
return self.get_queryset().order_by('-event_start')[:5]
class EventManager(models.Manager):
"""
Provide a query set only for "Events"
regular fet meetings should not be contained in the news stream
"""
def get_queryset(self):
return super().get_queryset().filter(post_type='E')
class FetMeetingManager(models.Manager):
"""
Provide a query set only for "Fet Meeting"
"""
def get_queryset(self):
return super().get_queryset().filter(post_type='F')
def _get_future_events(self):
date_today = timezone.now()
return self.get_queryset().filter(event_start__gt=date_today).order_by('event_start')
def _get_past_events(self):
date_today = timezone.now()
return self.get_queryset().filter(event_start__lt=date_today).order_by('-event_start')
def get_meetings(self):
meetings = []
meetings.append(self._get_future_events().first())
meetings.append(self._get_past_events().first())
return meetings