# -*- coding:utf-8 -* # # Copyright 2023 # - Skia # # Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM, # http://ae.utbm.fr. # # This program is free software; you can redistribute it and/or modify it under # the terms of the GNU General Public License a published by the Free Software # Foundation; either version 3 of the License, or (at your option) any later # version. # # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more # details. # # You should have received a copy of the GNU General Public License along with # this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple # Place - Suite 330, Boston, MA 02111-1307, USA. # # from django.conf import settings from django.core.files.base import ContentFile from django.core.management.base import BaseCommand from django.utils import timezone from datetime import timedelta import logging from club.models import Club, Membership from core.models import User, Group, Page, SithFile from subscription.models import Subscription from sas.models import Album, Picture, PeoplePictureRelation RED_PIXEL_PNG = b"\x89\x50\x4e\x47\x0d\x0a\x1a\x0a\x00\x00\x00\x0d\x49\x48\x44\x52" RED_PIXEL_PNG += b"\x00\x00\x00\x01\x00\x00\x00\x01\x08\x02\x00\x00\x00\x90\x77\x53" RED_PIXEL_PNG += b"\xde\x00\x00\x00\x0c\x49\x44\x41\x54\x08\xd7\x63\xf8\xcf\xc0\x00" RED_PIXEL_PNG += b"\x00\x03\x01\x01\x00\x18\xdd\x8d\xb0\x00\x00\x00\x00\x49\x45\x4e" RED_PIXEL_PNG += b"\x44\xae\x42\x60\x82" USER_PACK_SIZE = 1000 class Command(BaseCommand): help = "Procedurally generate representative data for developing the Galaxy" def add_arguments(self, parser): parser.add_argument( "--user-pack-count", help=f"Number of packs of {USER_PACK_SIZE} users to create", type=int, default=1, ) parser.add_argument( "--club-count", help="Number of clubs to create", type=int, default=50 ) def handle(self, *args, **options): self.logger = logging.getLogger("main") if options["verbosity"] > 1: self.logger.setLevel(logging.DEBUG) elif options["verbosity"] > 0: self.logger.setLevel(logging.INFO) else: self.logger.setLevel(logging.NOTSET) self.logger.info("The Galaxy is being populated by the Sith.") self.logger.info("Cleaning old Galaxy population") Club.objects.filter(unix_name__startswith="galaxy-").delete() Group.objects.filter(name__startswith="galaxy-").delete() Page.objects.filter(name__startswith="galaxy-").delete() User.objects.filter(username__startswith="galaxy-").delete() Picture.objects.filter(name__startswith="galaxy-").delete() Album.objects.filter(name__startswith="galaxy-").delete() self.logger.info("Done. Populating a new Galaxy") self.NB_USERS = options["user_pack_count"] * USER_PACK_SIZE self.NB_CLUBS = options["club_count"] self.now = timezone.now().replace(hour=12) root = User.objects.filter(username="root").first() sas = SithFile.objects.get(id=settings.SITH_SAS_ROOT_DIR_ID) self.galaxy_album = Album.objects.create( name="galaxy-register-file", owner=root, is_moderated=True, is_in_sas=True, parent=sas, ) self.make_clubs() self.make_users() self.make_families() self.make_club_memberships() self.make_pictures() self.make_pictures_memberships() half_pack = USER_PACK_SIZE // 2 for u in range(half_pack, self.NB_USERS, half_pack): self.make_important_citizen(u) def make_clubs(self): # This will create all the clubs and store them in self.clubs for fast access later self.clubs = {} for i in range(self.NB_CLUBS): self.clubs[i] = Club.objects.create( unix_name=f"galaxy-club-{i}", name=f"club-{i}" ) def make_users(self): # This will create all the users and store them in self.users for fast access later self.users = {} for i in range(self.NB_USERS): u = User.objects.create_user( username=f"galaxy-user-{i}", email=f"{i}@galaxy.test", first_name="Citizen", last_name=f"n°{i}", ) self.users[i] = u self.logger.info(f"Registering {u}") Subscription.objects.create( member=u, subscription_start=Subscription.compute_start( self.now - timedelta(days=self.NB_USERS - i) ), subscription_end=Subscription.compute_end(duration=2), ) def make_families(self): # This will iterate on all citizen after the 200th. # Then it will take 14 other citizen among the 200 preceding (godfathers are usually older), and apply another heuristic to determine if they should have a family link for i in range(200, self.NB_USERS): for j in range(i - 200, i, 14): # this will loop 14 times (14² = 196) if (i / 10) % 10 == (i + j) % 10: u1 = self.users[i] u2 = self.users[j] self.logger.info(f"Making {u2} the godfather of {u1}") u1.godfathers.add(u2) def make_club_memberships(self): # This function makes multiple passes on all users to affect them some pseudo-random roles in some clubs. # The multiple passes are useful to get some variations over who goes where. # Each pass for each user has a chance to affect her to two different clubs, increasing a bit more the created chaos, while remaining purely deterministic. for i in range(1, 11): # users can be in up to 20 clubs self.logger.info(f"Club membership, pass {i}") for uid in range( i, self.NB_USERS, i ): # Pass #1 will make sure every user is at least in one club user = self.users[uid] club = self.clubs[(uid + i**2) % self.NB_CLUBS] start = self.now - timedelta( days=(((self.NB_USERS - uid) * i) // 110) ) # older users were in clubs before newer users end = start + timedelta(days=180) # about one semester self.logger.info( f"Making {user} a member of club {club} from {start} to {end}" ) Membership( user=user, club=club, role=(uid + i) % 10 + 1, # spread the different roles start_date=start, end_date=end, ).save() for uid in range( 10 + i * 2, self.NB_USERS, 10 + i * 2 ): # Make a second affectation that will skip most users, to make a few citizen more important user = self.users[uid] club = self.clubs[(uid + i**3) % self.NB_CLUBS] start = self.now - timedelta( days=(((self.NB_USERS - uid) * i) // 100) ) # older users were in clubs before newer users end = start + timedelta(days=180) # about one semester self.logger.info( f"Making {user} a member of club {club} from {start} to {end}" ) Membership( user=user, club=club, role=((uid // 10) + i) % 10 + 1, # spread the different roles start_date=start, end_date=end, ).save() def make_pictures(self): # This function creates pictures for users to be tagged on later self.picts = {} for i in range(self.NB_USERS): u = self.users[i] # Create twice as many pictures as users for j in [i, i**2]: self.picts[j] = Picture.objects.create( owner=self.users[i], name=f"galaxy-picture {u} {j}", is_moderated=True, is_folder=False, parent=self.galaxy_album, is_in_sas=True, file=ContentFile(RED_PIXEL_PNG), compressed=ContentFile(RED_PIXEL_PNG), thumbnail=ContentFile(RED_PIXEL_PNG), mime_type="image/png", size=len(RED_PIXEL_PNG), ) self.picts[j].file.name = self.picts[j].name self.picts[j].compressed.name = self.picts[j].name self.picts[j].thumbnail.name = self.picts[j].name self.picts[j].save() def make_pictures_memberships(self): # We don't want to handle limits, users in the middle will be far enough def _tag_neighbors(uid, neighbor_dist, pict_power, pict_dist): u2 = self.users[uid - neighbor_dist] u3 = self.users[uid + neighbor_dist] PeoplePictureRelation(user=u2, picture=self.picts[uid**pict_power]).save() PeoplePictureRelation(user=u3, picture=self.picts[uid**pict_power]).save() PeoplePictureRelation(user=u2, picture=self.picts[uid - pict_dist]).save() PeoplePictureRelation(user=u3, picture=self.picts[uid - pict_dist]).save() PeoplePictureRelation(user=u2, picture=self.picts[uid + pict_dist]).save() PeoplePictureRelation(user=u3, picture=self.picts[uid + pict_dist]).save() for uid in range(200, self.NB_USERS - 200): u1 = self.users[uid] self.logger.info(f"Pictures of {u1}") PeoplePictureRelation(user=u1, picture=self.picts[uid]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 14]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 14]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 20]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 20]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 21]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 21]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 22]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 22]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 30]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 30]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 31]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 31]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid - 32]).save() PeoplePictureRelation(user=u1, picture=self.picts[uid + 32]).save() if uid % 3 == 0: _tag_neighbors(uid, 1, 1, 40) if uid % 5 == 0: _tag_neighbors(uid, 2, 1, 50) if uid % 10 == 0: _tag_neighbors(uid, 3, 1, 60) if uid % 20 == 0: _tag_neighbors(uid, 5, 1, 70) if uid % 25 == 0: _tag_neighbors(uid, 10, 1, 80) if uid % 2 == 1: _tag_neighbors(uid, 1, 2, 90) if uid % 15 == 0: _tag_neighbors(uid, 5, 2, 100) if uid % 30 == 0: _tag_neighbors(uid, 4, 2, 110) def make_important_citizen(self, uid): # These three people will be really close, since they already are in many clubs together! u1 = self.users[uid] u2 = self.users[uid - 100] u3 = self.users[uid + 100] u1.godfathers.add(u3) u1.godchildren.add(u2) self.logger.info(f"{u1} will be important and close to {u2} and {u3}") for p in range( # Mix them with other citizen for more chaos uid - 400, uid - 200 ): # users may already be on the pictures if not self.picts[p].people.filter(user=u1).exists(): PeoplePictureRelation(user=u1, picture=self.picts[p]).save() if not self.picts[p].people.filter(user=u2).exists(): PeoplePictureRelation(user=u2, picture=self.picts[p]).save() if not self.picts[p**2].people.filter(user=u1).exists(): PeoplePictureRelation(user=u1, picture=self.picts[p**2]).save() if not self.picts[p**2].people.filter(user=u2).exists(): PeoplePictureRelation(user=u2, picture=self.picts[p**2]).save()