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518 lines
21 KiB
Python
518 lines
21 KiB
Python
import random
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from datetime import date, timedelta
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from datetime import timezone as tz
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from typing import Iterator
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from dateutil.relativedelta import relativedelta
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from django.conf import settings
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from django.contrib.auth.hashers import make_password
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from django.core.management.base import BaseCommand
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from django.db.models import Count, Exists, Min, OuterRef, Subquery
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from django.utils.timezone import localdate, make_aware, now
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from faker import Faker
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from club.models import Club, Membership
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from core.models import Group, User
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from counter.models import (
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Counter,
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Customer,
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Permanency,
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Product,
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ProductType,
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Refilling,
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Selling,
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)
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from forum.models import Forum, ForumMessage, ForumTopic
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from pedagogy.models import UV
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from reservation.models import ReservationSlot, Room
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from subscription.models import Subscription
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class Command(BaseCommand):
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help = "Add more fixtures for a more complete development environment"
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.faker = Faker("fr_FR")
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def handle(self, *args, **options):
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if not settings.DEBUG:
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raise Exception("Never call this command in prod. Never.")
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self.stdout.write("Creating users...")
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users = self.create_users()
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# len(subscribers) is approximately 480
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subscribers = random.sample(users, k=int(0.8 * len(users)))
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self.stdout.write("Creating subscriptions...")
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self.create_subscriptions(subscribers)
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self.stdout.write("Creating club memberships...")
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self.create_club_memberships(subscribers)
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self.stdout.write("Creating rooms and reservation...")
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self.create_resources_and_reservations(random.sample(subscribers, k=40))
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self.stdout.write("Creating uvs...")
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self.create_uvs()
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self.stdout.write("Creating products...")
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self.create_products()
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self.stdout.write("Creating sales and refills...")
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sellers = list(User.objects.order_by("?")[:100])
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self.create_sales(sellers)
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self.stdout.write("Creating permanences...")
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self.create_permanences(sellers)
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self.stdout.write("Filling the forum...")
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self.create_forums()
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self.stdout.write("Done")
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def create_users(self) -> list[User]:
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password = make_password("plop")
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users = [
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User(
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username=self.faker.user_name(),
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first_name=self.faker.first_name(),
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last_name=self.faker.last_name(),
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date_of_birth=self.faker.date_of_birth(minimum_age=15, maximum_age=25),
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email=self.faker.email(),
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phone=self.faker.phone_number(),
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address=self.faker.address(),
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password=password,
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)
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for _ in range(600)
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]
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# there may a duplicate or two
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# Not a problem, we will just have 599 users instead of 600
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users = User.objects.bulk_create(users, ignore_conflicts=True)
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users = list(User.objects.order_by("-id")[: len(users)])
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public_group = Group.objects.get(pk=settings.SITH_GROUP_PUBLIC_ID)
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public_group.users.add(*users)
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return users
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def create_subscriptions(self, users: list[User]):
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def prepare_subscription(_user: User, start_date: date) -> Subscription:
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payment_method = random.choice(settings.SITH_SUBSCRIPTION_PAYMENT_METHOD)[0]
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duration = random.randint(1, 4)
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sub = Subscription(member=_user, payment_method=payment_method)
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sub.subscription_start = sub.compute_start(d=start_date, duration=duration)
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sub.subscription_end = sub.compute_end(duration)
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return sub
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subscriptions = []
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customers = []
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# first set of subscriptions
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for i, user in enumerate(users):
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sub = prepare_subscription(user, self.faker.past_date("-10y"))
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subscriptions.append(sub)
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customers.append(
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Customer(
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user=user,
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account_id=f"{9900 + i}{self.faker.random_lowercase_letter()}",
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)
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)
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while sub.subscription_end < localdate() and random.random() > 0.7:
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# 70% chances to subscribe again
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# (expect if it would make the subscription start after tomorrow)
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sub = prepare_subscription(
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user, self.faker.past_date(sub.subscription_end)
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)
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subscriptions.append(sub)
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old_subscriber_group = Group.objects.get(
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pk=settings.SITH_GROUP_OLD_SUBSCRIBERS_ID
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)
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old_subscriber_group.users.add(*users)
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Subscription.objects.bulk_create(subscriptions)
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Customer.objects.bulk_create(customers, ignore_conflicts=True)
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def make_club(self, club: Club, members: list[User], old_members: list[User]):
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def zip_roles(users: list[User]) -> Iterator[tuple[User, int]]:
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roles = iter(sorted(settings.SITH_CLUB_ROLES.keys(), reverse=True))
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user_idx = 0
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while (role := next(roles)) > 2:
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# one member for each major role
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yield users[user_idx], role
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user_idx += 1
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for _ in range(int(0.3 * (len(users) - user_idx))):
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# 30% of the remaining in the board
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yield users[user_idx], 2
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user_idx += 1
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for remaining in users[user_idx + 1 :]:
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# everything else is a simple member
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yield remaining, 1
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memberships = []
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old_members = old_members.copy()
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random.shuffle(old_members)
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for old in old_members:
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start = self.faker.date_between("-3y", "-1y")
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memberships.append(
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Membership(
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start_date=start,
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end_date=self.faker.past_date(start),
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user=old,
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role=random.choice(list(settings.SITH_CLUB_ROLES.keys())),
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club=club,
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)
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)
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for member, role in zip_roles(members):
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start = self.faker.past_date("-1y")
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memberships.append(
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Membership(
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start_date=start,
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user=member,
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role=role,
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club=club,
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)
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)
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memberships = Membership.objects.bulk_create(memberships)
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Membership._add_club_groups(memberships)
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def create_club_memberships(self, users: list[User]):
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users_qs = User.objects.filter(id__in=[s.id for s in users])
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subscribers_now = list(
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users_qs.annotate(
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filter=Exists(
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Subscription.objects.filter(
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member_id=OuterRef("pk"), subscription_end__gte=now()
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)
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)
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)
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)
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old_subscribers = list(
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users_qs.annotate(
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filter=Exists(
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Subscription.objects.filter(
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member_id=OuterRef("pk"), subscription_end__lt=now()
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)
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)
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)
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)
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self.make_club(
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Club.objects.get(id=settings.SITH_MAIN_CLUB_ID),
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random.sample(subscribers_now, k=min(30, len(subscribers_now))),
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random.sample(old_subscribers, k=min(60, len(old_subscribers))),
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)
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self.make_club(
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Club.objects.get(name="Troll Penché"),
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random.sample(subscribers_now, k=min(20, len(subscribers_now))),
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random.sample(old_subscribers, k=min(80, len(old_subscribers))),
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)
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def create_resources_and_reservations(self, users: list[User]):
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"""Generate reservable rooms and reservations slots for those rooms.
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Contrary to the other data generator,
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this one generates more data than what is expected on the real db.
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"""
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ae = Club.objects.get(id=settings.SITH_MAIN_CLUB_ID)
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pdf = Club.objects.get(id=settings.SITH_PDF_CLUB_ID)
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troll = Club.objects.get(name="Troll Penché")
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rooms = [
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Room(
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name=name,
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club=club,
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address=self.faker.address(),
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description=self.faker.text(100),
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)
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for name, club in [
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("Champi", ae),
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("Muzik", ae),
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("Pôle Tech", ae),
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("Jolly", troll),
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("Cookut", pdf),
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("Lucky", pdf),
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]
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]
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rooms = Room.objects.bulk_create(rooms)
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reservations = []
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for room in rooms:
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# how much people use this room.
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# The higher the number, the more reservations exist,
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# the more people are present in a slot,
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# the smaller the interval between two slot is,
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# and the more future reservations have already been made ahead of time
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affluence = random.randint(2, 6)
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slot_start = make_aware(self.faker.past_datetime("-5y"))
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generate_until = make_aware(
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self.faker.future_datetime(timedelta(days=1) * affluence**2)
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)
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while slot_start < generate_until:
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if slot_start.hour < 8:
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# if a reservation would start in the middle of the night
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# make it start the next morning instead
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slot_start += timedelta(hours=10 - slot_start.hour)
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duration = timedelta(minutes=15) * (1 + int(random.gammavariate(3, 2)))
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reservations.append(
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ReservationSlot(
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room=room,
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nb_people=(
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1 + random.binomialvariate(affluence * 10, affluence / 10)
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),
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author=random.choice(users),
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start_at=slot_start,
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duration=duration,
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created_at=slot_start - self.faker.time_delta("+7d"),
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)
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)
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slot_start += duration + (
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timedelta(hours=1) * random.expovariate(affluence / 48)
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)
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reservations.sort(key=lambda slot: slot.created_at)
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ReservationSlot.objects.bulk_create(reservations)
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def create_uvs(self):
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root = User.objects.get(username="root")
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categories = ["CS", "TM", "OM", "QC", "EC"]
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branches = ["TC", "GMC", "GI", "EDIM", "E", "IMSI", "HUMA"]
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languages = ["FR", "FR", "EN"]
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semesters = ["AUTUMN", "SPRING", "AUTUMN_AND_SPRING"]
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teachers = [self.faker.name() for _ in range(50)]
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uvs = []
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for _ in range(1000):
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code = (
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self.faker.random_uppercase_letter()
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+ self.faker.random_uppercase_letter()
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+ str(random.randint(10, 90))
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)
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uvs.append(
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UV(
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code=code,
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author=root,
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manager=random.choice(teachers),
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title=self.faker.text(max_nb_chars=50),
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department=random.choice(branches),
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credit_type=random.choice(categories),
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credits=6,
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semester=random.choice(semesters),
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language=random.choice(languages),
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program=self.faker.paragraph(random.randint(3, 10)),
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skills="\n* ".join(self.faker.sentences(random.randint(3, 10))),
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key_concepts="\n* ".join(
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self.faker.sentences(random.randint(3, 10))
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),
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hours_CM=random.randint(15, 40),
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hours_TD=random.randint(15, 40),
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hours_TP=random.randint(15, 40),
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hours_THE=random.randint(15, 40),
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hours_TE=random.randint(15, 40),
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)
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)
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UV.objects.bulk_create(uvs, ignore_conflicts=True)
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def create_products(self):
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categories = [
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ProductType(name=self.faker.text(max_nb_chars=30)) for _ in range(10)
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]
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ProductType.objects.bulk_create(categories)
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categories = list(
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ProductType.objects.filter(name__in=[c.name for c in categories])
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)
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ae = Club.objects.get(id=settings.SITH_MAIN_CLUB_ID)
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other_clubs = random.sample(list(Club.objects.all()), k=3)
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groups = list(
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Group.objects.filter(name__in=["Subscribers", "Old subscribers", "Public"])
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)
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counters = list(
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Counter.objects.filter(name__in=["Foyer", "MDE", "La Gommette", "Eboutic"])
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)
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# 2/3 of the products are owned by AE
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clubs = [ae, ae, ae, ae, ae, ae, *other_clubs]
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products = []
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buying_groups = []
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selling_places = []
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for _ in range(200):
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price = random.randint(0, 10) + random.choice([0, 0.25, 0.5, 0.75])
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product = Product(
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name=self.faker.text(max_nb_chars=30),
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description=self.faker.text(max_nb_chars=120),
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product_type=random.choice(categories),
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code="".join(self.faker.random_letters(length=random.randint(4, 8))),
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purchase_price=price,
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selling_price=price,
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special_selling_price=price - min(0.5, price),
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club=random.choice(clubs),
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limit_age=0 if random.random() > 0.2 else 18,
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archived=bool(random.random() > 0.7),
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)
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products.append(product)
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# there will be products without buying groups
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# but there are also such products in the real database
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buying_groups.extend(
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Product.buying_groups.through(product=product, group=group)
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for group in random.sample(groups, k=random.randint(0, 3))
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)
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selling_places.extend(
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Counter.products.through(counter=counter, product=product)
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for counter in random.sample(counters, random.randint(0, 4))
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)
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Product.objects.bulk_create(products)
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Product.buying_groups.through.objects.bulk_create(buying_groups)
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Counter.products.through.objects.bulk_create(selling_places)
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def create_sales(self, sellers: list[User]):
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customers = list(
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Customer.objects.annotate(
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since=Subquery(
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Subscription.objects.filter(member__customer=OuterRef("pk"))
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.annotate(res=Min("subscription_start"))
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.values("res")
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.order_by("res")[:1]
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)
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)
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)
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products = list(Product.objects.all())
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counters = list(
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Counter.objects.filter(name__in=["Foyer", "MDE", "La Gommette"])
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)
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sales = []
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reloads = []
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for customer in customers:
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# the longer the customer has existed, the higher the mean of nb_products
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mu = 5 + (now().year - customer.since.year) * 2
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nb_sales = max(0, int(random.normalvariate(mu=mu, sigma=mu * 5)))
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favoured_products = random.sample(products, k=(random.randint(1, 5)))
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favoured_counter = random.choice(counters)
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this_customer_sales = []
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for _ in range(nb_sales):
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product = (
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random.choice(favoured_products)
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if random.random() > 0.7
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else random.choice(products)
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)
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counter = (
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favoured_counter
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if random.random() > 0.7
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else random.choice(counters)
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)
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this_customer_sales.append(
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Selling(
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product=product,
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counter=counter,
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club_id=product.club_id,
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quantity=random.randint(1, 5),
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unit_price=product.selling_price,
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seller=random.choice(sellers),
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customer=customer,
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date=make_aware(
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self.faker.date_time_between(customer.since, localdate())
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),
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)
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)
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total_expanse = sum(s.unit_price * s.quantity for s in this_customer_sales)
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total_reloaded = 0
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while total_reloaded < total_expanse:
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amount = random.choice(list(range(5, 51, 5)))
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total_reloaded += amount
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reloads.append(
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Refilling(
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counter=random.choice(counters),
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amount=amount,
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operator=random.choice(sellers),
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customer=customer,
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date=make_aware(
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self.faker.date_time_between(customer.since, localdate())
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),
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is_validated=True,
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)
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)
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sales.extend(this_customer_sales)
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Refilling.objects.bulk_create(reloads)
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Selling.objects.bulk_create(sales)
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Customer.objects.update_amount()
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def create_permanences(self, sellers: list[User]):
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counters = list(
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Counter.objects.filter(name__in=["Foyer", "MDE", "La Gommette"])
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)
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perms = []
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for seller in sellers:
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favoured_counter = random.choice(counters)
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nb_perms = abs(int(random.normalvariate(mu=275, sigma=100)))
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active_period_start = self.faker.past_date("-10y")
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active_period_end = self.faker.date_between(
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active_period_start,
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min(localdate(), active_period_start + relativedelta(years=5)),
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)
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for _ in range(nb_perms):
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counter = (
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favoured_counter
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if random.random() > 0.8
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else random.choice(counters)
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)
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duration = self.faker.time_delta(timedelta(hours=1))
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start = make_aware(
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self.faker.date_time_between(active_period_start, active_period_end)
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)
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perms.append(
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Permanency(
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counter=counter, user=seller, start=start, end=start + duration
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)
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)
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Permanency.objects.bulk_create(perms)
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def create_forums(self):
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forumers = list(User.objects.order_by("?")[:100])
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most_actives = random.sample(forumers, 10)
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categories = list(Forum.objects.filter(is_category=True))
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new_forums = [
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Forum(name=self.faker.text(20), parent=random.choice(categories))
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for _ in range(15)
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]
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Forum.objects.bulk_create(new_forums)
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forums = list(Forum.objects.filter(is_category=False))
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new_topics = [
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ForumTopic(
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_title=self.faker.text(20),
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author=random.choice(most_actives),
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forum=random.choice(forums),
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)
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for _ in range(100)
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]
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ForumTopic.objects.bulk_create(new_topics)
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topics = list(ForumTopic.objects.values_list("id", flat=True))
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def get_author():
|
|
if random.random() > 0.5:
|
|
return random.choice(most_actives)
|
|
return random.choice(forumers)
|
|
|
|
messages = []
|
|
for topic_id in topics:
|
|
nb_messages = max(1, int(random.normalvariate(mu=90, sigma=50)))
|
|
dates = sorted(
|
|
[
|
|
self.faker.date_time_between("-15y", "-1d", tzinfo=tz.utc)
|
|
for _ in range(nb_messages)
|
|
],
|
|
reverse=True,
|
|
)
|
|
messages.extend(
|
|
[
|
|
ForumMessage(
|
|
topic_id=topic_id,
|
|
author=get_author(),
|
|
date=d,
|
|
message="\n\n".join(
|
|
self.faker.paragraphs(random.randint(1, 4))
|
|
),
|
|
)
|
|
for d in dates
|
|
]
|
|
)
|
|
ForumMessage.objects.bulk_create(messages)
|
|
ForumTopic.objects.update(
|
|
_message_number=Subquery(
|
|
ForumMessage.objects.filter(topic_id=OuterRef("pk"))
|
|
.values("topic_id")
|
|
.annotate(res=Count("*"))
|
|
.values("res")
|
|
),
|
|
_last_message_id=Subquery(
|
|
ForumMessage.objects.order_by("-date").values("id")[:1]
|
|
),
|
|
)
|
|
for f in Forum.objects.filter(parent__isnull=False):
|
|
# this is a N+1 queries, but it's ok,
|
|
# since there are quite a few forums
|
|
# and trying to do it with a single query
|
|
# would result in a big whibbly-woobly hacky queryset
|
|
f.set_last_message()
|
|
f.set_topic_number()
|