diff options
Diffstat (limited to 'models.py')
| -rw-r--r-- | models.py | 27 |
1 files changed, 6 insertions, 21 deletions
@@ -1,18 +1,11 @@ -from django.db import connection, models +from django.db import models from django.db.models import Q -from django.db.models.expressions import RawSQL -from django.db.models.functions import Extract, ExtractYear from django.utils.text import slugify import hashlib import os -@models.DateTimeField.register_lookup -class ExtractWeek(Extract): - lookup_name = "week" - - class Timetable(models.Model): name = models.CharField(max_length=64, unique=True, verbose_name="nom") url = models.URLField(max_length=255, unique=True, verbose_name="URL") @@ -51,6 +44,9 @@ class Group(models.Model): slug = models.SlugField(max_length=64, unique=True, default="") + def corresponds_to(self, timetable_id, mention, subgroup, td, tp): + return self.timetable.id == timetable_id and self.mention == mention and self.subgroup == subgroup and (self.td == td or self.td is None or td is None) and (self.tp == tp or self.tp is None or tp is None) + def __str__(self): return self.name @@ -112,23 +108,12 @@ class Room(models.Model): class CourseManager(models.Manager): - def __get_weeks(self, qs): - extractYear = ExtractYear("begin") - - if connection.vendor == "postgresql": - return qs.annotate(week=ExtractWeek("begin"), year=extractYear) - else: - return qs.annotate(week=RawSQL("""cast(strftime("%%W", "begin") as integer)""", []), year=extractYear) - def get_courses_for_group(self, group, **filters): return self.get_queryset().filter(Q(groups__td__isnull=True) | Q(groups__td=group.td), Q(groups__tp__isnull=True) | Q(groups__tp=group.tp), groups__mention=group.mention, groups__subgroup=group.subgroup, **filters).order_by("begin") - def get_weeks(self): - return self.__get_weeks(self.get_queryset()) + def get_weeks(self, date): + return self.get_queryset().raw("select edt_course.id, cast(strftime('%%W', begin) as integer) as week, cast(strftime('%%Y', begin) as integer) as year, edt_group.name, edt_group.timetable_id, edt_group.mention, edt_group.subgroup, edt_group.td, edt_group.tp, edt_group.slug, edt_group.id as group_id from edt_course inner join edt_course_groups on (edt_course.id = edt_course_groups.course_id) inner join edt_group on (edt_course_groups.group_id = edt_group.id) where begin >= %s group by group_id, week, year order by group_id, year, week", [date]) - def get_courses_for_group_and_weeks(self, group, **filters): - qs = self.get_courses_for_group(group, **filters) - return self.__get_weeks(qs) class Course(models.Model): objects = CourseManager() |