Remove old management command for moving dates

aleksis/apps/untis/management/commands/move_dates_for_testing.py

-from datetime import date, timedelta
-
-from django.core.management.base import BaseCommand
-from django.utils import timezone
-
-from calendarweek import CalendarWeek
-from tqdm import tqdm
-
-from aleksis.apps.chronos.models import (
-    Absence,
-    Event,
-    Exam,
-    ExtraLesson,
-    Holiday,
-    LessonSubstitution,
-    ValidityRange,
-)
-from aleksis.core.models import SchoolTerm
-
-
-class Command(BaseCommand):
-    help = "Move all dates to current school year"  # noqa
-
-    def add_arguments(self, parser):
-        parser.add_argument("--dry", action="store_true")
-
-    def translate_date_start_end(self, name: str, qs):
-        self.stdout.write(name.upper())
-        for instance in tqdm(qs):
-            date_start = instance.date_start
-            date_end = instance.date_end
-            date_start_new = date_start + self.time_delta
-            date_end_new = date_end + self.time_delta
-            self.stdout.write(f"{date_start} → {date_start_new}; {date_end} → {date_end_new}")
-            instance.date_start = date_start_new
-            instance.date_end = date_end_new
-            if not self.dry:
-                instance.save()
-
-    def translate_date(self, name: str, qs):
-        self.stdout.write(name.upper())
-        for instance in tqdm(qs):
-            date_old = instance.date
-            date_new = date_old + self.time_delta
-            self.stdout.write(f"{date_old} → {date_new}")
-            instance.date = date_new
-            if not self.dry:
-                instance.save()
-
-    def translate_week_year(self, name: str, qs):
-        self.stdout.write(name.upper())
-        for instance in tqdm(qs):
-            date_old = instance.date
-            date_new = instance.date + self.time_delta
-            week_new = CalendarWeek.from_date(date_new)
-            self.stdout.write(f"{date_old}, {instance.week} → {date_new}, {week_new.week}")
-            instance.year = date_new.year
-            instance.week = week_new.week
-            if not self.dry:
-                instance.save()
-
-    def handle(self, *args, **options):
-        self.dry = options["dry"]
-
-        school_terms = SchoolTerm.objects.order_by("-date_end")
-
-        if not school_terms.exists():
-            raise RuntimeError("No school term available.")
-
-        school_term = school_terms.first()
-        self.stdout.write(f"Used school term: {school_term}")
-
-        date_start = school_term.date_start
-        date_end = school_term.date_end
-        current_date = timezone.now().date()
-        current_year = current_date.year
-        if date_start.month <= current_date.month and date_start.day < current_date.day:
-            current_year -= 1
-        date_end = date(year=current_year, day=date_start.day, month=date_start.month)
-        self.stdout.write(f"{current_year}, {date_end}")
-        days = (date_end - date_start).days
-        self.weeks = round(days / 7)
-        self.time_delta = timedelta(days=self.weeks * 7)
-        self.stdout.write(f"{days}, {self.weeks}")
-
-        self.translate_date_start_end("SCHOOL TERM", [school_term])
-
-        self.translate_date_start_end(
-            "VALIDITY RANGES", ValidityRange.objects.filter(school_term=school_term)
-        )
-
-        if not self.weeks:
-            self.stdout.write(self.style.ERROR("There are no data that have to be moved."))
-            return
-
-        self.translate_week_year(
-            "SUBSTITUTIONS",
-            LessonSubstitution.objects.filter(
-                lesson_period__lesson__validity__school_term=school_term
-            ),
-        )
-        self.translate_week_year(
-            "EXTRA LESSONS", ExtraLesson.objects.filter(school_term=school_term)
-        )
-        self.translate_date_start_end("ABSENCES", Absence.objects.filter(school_term=school_term))
-        self.translate_date("EXAMS", Exam.objects.filter(school_term=school_term))
-        self.translate_date_start_end(
-            "HOLIDAYS", Holiday.objects.within_dates(date_start, date_end)
-        )
-        self.translate_date_start_end("EVENTS", Event.objects.filter(school_term=school_term))