87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
from django.db import models
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from django.urls import reverse
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from django.core.validators import FileExtensionValidator
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from django.contrib.auth.models import AbstractUser
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from django.db.models import Q
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NEWS = "News"
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EVENTS = "Event"
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POST = (
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(NEWS, "News"),
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(EVENTS, "Event"),
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)
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FIRST = "First"
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SECOND = "Second"
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THIRD = "Third"
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SEMESTER = (
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(FIRST, "First"),
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(SECOND, "Second"),
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(THIRD, "Third"),
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)
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class NewsAndEventsQuerySet(models.query.QuerySet):
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def search(self, query):
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lookups = (
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Q(title__icontains=query)
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| Q(summary__icontains=query)
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| Q(posted_as__icontains=query)
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)
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return self.filter(lookups).distinct()
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class NewsAndEventsManager(models.Manager):
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def get_queryset(self):
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return NewsAndEventsQuerySet(self.model, using=self._db)
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def all(self):
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return self.get_queryset()
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def get_by_id(self, id):
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qs = self.get_queryset().filter(
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id=id
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) # NewsAndEvents.objects == self.get_queryset()
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if qs.count() == 1:
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return qs.first()
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return None
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def search(self, query):
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return self.get_queryset().search(query)
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class NewsAndEvents(models.Model):
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title = models.CharField(max_length=200, null=True)
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summary = models.TextField(max_length=200, blank=True, null=True)
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posted_as = models.CharField(choices=POST, max_length=10)
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updated_date = models.DateTimeField(auto_now=True, auto_now_add=False, null=True)
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upload_time = models.DateTimeField(auto_now=False, auto_now_add=True, null=True)
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objects = NewsAndEventsManager()
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def __str__(self):
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return self.title
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class Session(models.Model):
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session = models.CharField(max_length=200, unique=True)
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is_current_session = models.BooleanField(default=False, blank=True, null=True)
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next_session_begins = models.DateField(blank=True, null=True)
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def __str__(self):
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return self.session
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class Semester(models.Model):
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semester = models.CharField(max_length=10, choices=SEMESTER, blank=True)
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is_current_semester = models.BooleanField(default=False, blank=True, null=True)
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session = models.ForeignKey(
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Session, on_delete=models.CASCADE, blank=True, null=True
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)
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next_semester_begins = models.DateField(null=True, blank=True)
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def __str__(self):
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return self.semester
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