fix email signal warning

tournaments/models/tournament.py

@@ -328,7 +328,7 @@ class Tournament(models.Model):
         """Returns the total number of spots in all group stages."""
         return sum(gs.size for gs in self.groupstage_set.all())
 
-    def teams(self, include_waiting_list):
+    def teams(self, include_waiting_list, un_walk_out_team=None):
         """
         Get sorted list of teams for the tournament.
 
@@ -349,7 +349,7 @@ class Tournament(models.Model):
 
         # Process each team registration
         for team_reg in self.teamregistration_set.all():
-            if team_reg.out_of_tournament():
+            if team_reg.out_of_tournament() and ((un_walk_out_team and team_reg.id is not un_walk_out_team.id) or un_walk_out_team is None):
                 continue
 
             # Create team item
@@ -1227,9 +1227,25 @@ class Tournament(models.Model):
         if len(teams)<=self.team_count:
             return None
         waiting_teams = [team for team in teams if team.stage == "Attente"]
-        if waiting_teams:
+        if len(waiting_teams) > 0:
             return waiting_teams[0].team_registration
-        return None
+
+    def first_out_of_list(self, un_walk_out_team):
+        teams = self.teams(True, un_walk_out_team)
+        waiting_teams = [team for team in teams if team.stage == "Attente"]
+
+        retrieved_teams = [team for team in teams if team.team_registration.id == un_walk_out_team.id]
+        waiting_teams = [team for team in teams if team.stage == "Attente"]
+        waiting_team = None
+        is_in = True
+        if len(retrieved_teams) > 0:
+            if retrieved_teams[0].stage == "Attente":
+                is_in = False
+        if len(waiting_teams) > 0:
+            waiting_team = waiting_teams[0].team_registration
+
+        return is_in, waiting_team
+
 
     def broadcasted_prog(self):
         # Get matches from broadcasted_matches_and_group_stages

tournaments/services/email_service.py

@@ -1,6 +1,18 @@
 from django.core.mail import EmailMessage
 from django.utils import timezone
 from django.urls import reverse
+from enum import Enum
+
+class TeamEmailType(Enum):
+    UNREGISTERED = "unregistered"
+    OUT_OF_WAITING_LIST = "out_of_waiting_list"
+    TOURNAMENT_CANCELED = "tournament_canceled"
+    IN_TOURNAMENT_STRUCTURE = "in_tournament_structure"
+    OUT_OF_TOURNAMENT_STRUCTURE = "out_of_tournament_structure"
+    OUT_OF_WALKOUT_IS_IN = "out_of_walkout_is_in"
+    OUT_OF_WALKOUT_WAITING_LIST = "out_of_walkout_waiting_list"
+    WALKOUT = "walkout"
+    UNEXPECTED_OUT_OF_TOURNAMENT = 'unexpected_out_of_tournament'
 
 class TournamentEmailService:
     @staticmethod
@@ -36,15 +48,7 @@ class TournamentEmailService:
             tournament_details_str,
             waiting_list_position
         )
-
-        email = EmailMessage(
-            subject=email_subject,
-            body=TournamentEmailService._convert_newlines_to_html(email_body),
-            to=[request.user.email]
-        )
-
-        email.content_subtype = "html"
-        email.send()
+        TournamentEmailService._send_email(request.user.email, email_subject, email_body)
 
     @staticmethod
     def _build_email_subject(tournament, tournament_details_str, waiting_list_position):
@@ -97,92 +101,135 @@ class TournamentEmailService:
             other_player
         )
 
-        email = EmailMessage(
-            subject=email_subject,
-            body=TournamentEmailService._convert_newlines_to_html(email_body),
-            to=[captain.email]
-        )
+        TournamentEmailService._send_email(captain.email, email_subject, email_body)
 
-        email.content_subtype = "html"
-        email.send()
+    @staticmethod
+    def _build_unregistration_email_body(tournament, captain, tournament_details_str, other_player):
+        body_parts = [
+            "Bonjour,\n\n",
+            f"Votre inscription au tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name} a été annulée"
+        ]
 
-        if other_player.email is not None:
-            email_body = TournamentEmailService._build_unregistration_email_body(
-                tournament,
-                other_player,
-                tournament_details_str,
-                captain
+        if other_player is not None:
+            body_parts.append(
+                f"\n\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
             )
 
-            email = EmailMessage(
-                subject=email_subject,
-                body=TournamentEmailService._convert_newlines_to_html(email_body),
-                to=[other_player.email]
+        absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
+        link_text = "informations sur le tournoi"
+        absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
+
+        body_parts.append(
+            f"\n\nVoir les {absolute_url}",
         )
 
-            email.content_subtype = "html"
-            email.send()
+        body_parts.extend([
+            "\n\nPour toute question, veuillez contacter votre juge-arbitre. "
+            "Si vous n'êtes pas à l'origine de cette désinscription, merci de le contacter rapidement.",
+            f"\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        ])
+
+        return "".join(body_parts)
 
     @staticmethod
-    def send_out_of_waiting_list_confirmation(captain, tournament, other_player):
-        tournament_details_str = tournament.build_tournament_details_str()
-        email_subject = TournamentEmailService.email_subject(tournament, "Participation au tournoi")
-        email_body = TournamentEmailService._build_out_of_waiting_list_email_body(
-            tournament,
-            captain,
-            tournament_details_str,
-            other_player
+    def _build_out_of_waiting_list_email_body(tournament, captain, tournament_details_str, other_player):
+        body_parts = [
+            "Bonjour,\n\n",
+            f"Suite au désistement d'une paire, vous êtes maintenant inscrit au tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
+        ]
+
+        absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
+        link_text = "accéder au tournoi"
+        absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
+
+        if other_player is not None:
+            body_parts.append(
+                f"\nVoici le partenaire indiqué dans l'inscription : {other_player.name()}, n'oubliez pas de le prévenir."
             )
 
-        email = EmailMessage(
-            subject=email_subject,
-            body=TournamentEmailService._convert_newlines_to_html(email_body),
-            to=[captain.email]
+        body_parts.append(
+            "\n\nSi vous n'êtes plus disponible pour participer à ce tournoi, cliquez sur ce lien ou contactez rapidement le juge-arbitre."
+            f"\n{absolute_url}"
+            "\nPour vous désinscrire en ligne vous devez avoir un compte Padel Club."
         )
 
-        email.content_subtype = "html"
-        email.send()
+        body_parts.extend([
+            f"\n\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        ])
 
-        if other_player.email is not None:
-            email_body = TournamentEmailService._build_out_of_waiting_list_email_body(
-                tournament,
-                other_player,
-                tournament_details_str,
-                captain
-            )
+        return "".join(body_parts)
 
-            email = EmailMessage(
-                subject=email_subject,
-                body=TournamentEmailService._convert_newlines_to_html(email_body),
-                to=[other_player.email]
+    @staticmethod
+    def _build_tournament_cancellation_email_body(tournament, player, tournament_details_str, other_player):
+        body_parts = [
+            "Bonjour,\n\n",
+            f"Le tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name} a été annulé par le juge-arbitre."
+        ]
+
+        if other_player is not None:
+            body_parts.append(
+                f"\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
             )
 
-            email.content_subtype = "html"
-            email.send()
+        body_parts.extend([
+            "\n\nPour toute question, veuillez contacter votre juge-arbitre:",
+            f"\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        ])
+
+        return "".join(body_parts)
 
     @staticmethod
-    def _build_unregistration_email_body(tournament, captain, tournament_details_str, other_player):
+    def _build_in_tournament_email_body(tournament, captain, tournament_details_str, other_player):
         body_parts = [
             "Bonjour,\n\n",
-            f"Votre inscription au tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name} a été annulée"
+            f"Suite à une modification de la taille du tournoi, vous pouvez participer au tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
         ]
 
+        absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
+        link_text = "accéder au tournoi"
+        absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
+
         if other_player is not None:
             body_parts.append(
-                f"\n\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
+                f"\nVoici le partenaire indiqué dans l'inscription : {other_player.name()}, n'oubliez pas de le prévenir."
+            )
+
+        body_parts.append(
+            "\n\nSi vous n'êtes plus disponible pour participer à ce tournoi, cliquez sur ce lien ou contactez rapidement le juge-arbitre."
+            f"\n{absolute_url}"
+            "\nPour vous désinscrire en ligne vous devez avoir un compte Padel Club."
         )
 
+        body_parts.extend([
+            f"\n\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        ])
+
+        return "".join(body_parts)
+
+    @staticmethod
+    def _build_out_of_tournament_email_body(tournament, captain, tournament_details_str, other_player):
+        body_parts = [
+            "Bonjour,\n\n",
+            f"Suite à une modification de la taille du tournoi, vous ne faites plus partie des équipes participant au tournoi  {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
+        ]
+
         absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
         link_text = "informations sur le tournoi"
         absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
 
+        body_parts.append(f"\n\nVoir les {absolute_url}")
+
+        if other_player is not None:
             body_parts.append(
-            f"\n\nVoir les {absolute_url}",
+                f"\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
             )
 
         body_parts.extend([
-            "\n\nPour toute question, veuillez contacter votre juge-arbitre. "
-            "Si vous n'êtes pas à l'origine de cette désinscription, merci de le contacter rapidement.",
+            "\n\nPour toute question, veuillez contacter votre juge-arbitre : ",
             f"\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
             "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
         ])
@@ -190,61 +237,97 @@ class TournamentEmailService:
         return "".join(body_parts)
 
     @staticmethod
-    def _build_out_of_waiting_list_email_body(tournament, captain, tournament_details_str, other_player):
+    def _build_walk_out_email_body(tournament, captain, tournament_details_str, other_player):
         body_parts = [
             "Bonjour,\n\n",
-            f"Suite au désistement d'une paire, vous êtes maintenant inscrit au tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
+            f"Le Juge-Arbitre a annulé votre participation au tournoi  {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
         ]
 
         absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
         link_text = "accéder au tournoi"
         absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
 
+        body_parts.append(f"\n\nVoir les {absolute_url}")
+
+
         if other_player is not None:
             body_parts.append(
-                f"\nVoici le partenaire indiqué dans l'inscription : {other_player.name()}, n'oubliez pas de le prévenir."
+                f"\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
             )
 
+        body_parts.extend([
+            "\n\nPour toute question, veuillez contacter votre juge-arbitre : ",
+            f"\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        ])
+
+        return "".join(body_parts)
+
+    @staticmethod
+    def _build_out_of_walkout_is_in_email_body(tournament, captain, tournament_details_str, other_player):
+        body_parts = [
+            "Bonjour,\n\n",
+            f"Le juge-arbitre vous a ré-intégré au tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
+        ]
+
+        absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
+        link_text = "informations sur le tournoi"
+        absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
+
+        body_parts.append(f"\n\nVoir les {absolute_url}")
+
+        if other_player is not None:
             body_parts.append(
-            "\n\nSi vous n'êtes plus disponible pour participer à ce tournoi, cliquez sur ce lien ou contactez rapidement le juge-arbitre."
-            f"\n{absolute_url}"
-            "\nPour vous désinscrire en ligne vous devez avoir un compte Padel Club."
+                f"\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
             )
 
         body_parts.extend([
-            f"\n\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nPour toute question, veuillez contacter votre juge-arbitre : ",
+            f"\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
             "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
         ])
 
         return "".join(body_parts)
 
     @staticmethod
-    def send_tournament_cancellation_notification(player, tournament, other_player):
-        tournament_details_str = tournament.build_tournament_details_str()
-        email_subject = TournamentEmailService.email_subject(tournament, "Annulation du tournoi")
-        email_body = TournamentEmailService._build_tournament_cancellation_email_body(
-            tournament,
-            player,
-            tournament_details_str,
-            other_player
-        )
+    def _build_unexpected_out_of_tournament_email_body(tournament, captain, tournament_details_str, other_player):
+        body_parts = [
+            "Bonjour,\n\n",
+            f"En raison d'une décision du juge-arbitre, vous ne faites plus partie des équipes participant au tournoi  {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
+        ]
 
-        email = EmailMessage(
-            subject=email_subject,
-            body=TournamentEmailService._convert_newlines_to_html(email_body),
-            to=[player.email]
+        absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
+        link_text = "informations sur le tournoi"
+        absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
+
+        body_parts.append(f"\n\nVoir les {absolute_url}")
+
+        if other_player is not None:
+            body_parts.append(
+                f"\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
             )
 
-        email.content_subtype = "html"
-        email.send()
+        body_parts.extend([
+            "\n\nPour toute question, veuillez contacter votre juge-arbitre : ",
+            f"\n{tournament.event.creator.full_name()}\n{tournament.event.creator.email}",
+            "\n\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        ])
+
+        return "".join(body_parts)
 
     @staticmethod
-    def _build_tournament_cancellation_email_body(tournament, player, tournament_details_str, other_player):
+    def _build_out_of_walkout_waiting_list_email_body(tournament, captain, tournament_details_str, other_player):
         body_parts = [
             "Bonjour,\n\n",
-            f"Le tournoi {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name} a été annulé par le juge-arbitre."
+            f"Le juge-arbitre vous a ré-intégré au tournoi en liste d'attente {tournament_details_str}, prévu le {tournament.formatted_start_date()} au club {tournament.event.club.name}"
         ]
 
+        absolute_url = f"https://padelclub.app/tournament/{tournament.id}/info"
+        link_text = "informations sur le tournoi"
+        absolute_url = f'<a href="{absolute_url}">{link_text}</a>'
+
+        body_parts.append(f"\n\nVoir les {absolute_url}")
+
         if other_player is not None:
             body_parts.append(
                 f"\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
@@ -257,3 +340,99 @@ class TournamentEmailService:
         ])
 
         return "".join(body_parts)
+
+    @staticmethod
+    def notify(captain, other_player, tournament, message_type: TeamEmailType):
+        if tournament.should_be_over():
+            return
+
+        if tournament.supposedly_in_progress():
+            return
+
+        if not captain or not captain.registered_online or not captain.email:
+            return
+
+        tournament_details_str = tournament.build_tournament_details_str()
+
+        email_body = TournamentEmailService._build_email_content(
+            message_type, captain, tournament, tournament_details_str, other_player
+        )
+
+        if email_body is None:
+            return
+
+        email_subject = TournamentEmailService.email_subject(tournament, "Participation au tournoi")
+        TournamentEmailService._send_email(captain.email, email_subject, email_body)
+
+    @staticmethod
+    def _build_email_content(message_type, recipient, tournament, tournament_details_str, other_player):
+        if message_type == TeamEmailType.OUT_OF_WAITING_LIST:
+            body = TournamentEmailService._build_out_of_waiting_list_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.TOURNAMENT_CANCELED:
+            body = TournamentEmailService._build_tournament_cancellation_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.WALKOUT:
+            body = TournamentEmailService._build_walk_out_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.OUT_OF_WALKOUT_IS_IN:
+            body = TournamentEmailService._build_out_of_walkout_is_in_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.OUT_OF_WALKOUT_WAITING_LIST:
+            body = TournamentEmailService._build_out_of_walkout_waiting_list_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.UNEXPECTED_OUT_OF_TOURNAMENT:
+            body = TournamentEmailService._build_unexpected_out_of_tournament_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.OUT_OF_TOURNAMENT_STRUCTURE:
+            body = TournamentEmailService._build_tournament_cancellation_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        elif message_type == TeamEmailType.IN_TOURNAMENT_STRUCTURE:
+            body = TournamentEmailService._build_out_of_tournament_email_body(
+                tournament, recipient, tournament_details_str, other_player
+            )
+        else:
+            return None
+
+        return body
+
+    @staticmethod
+    def _send_email(to, subject, body):
+        email = EmailMessage(
+            subject=subject,
+            body=TournamentEmailService._convert_newlines_to_html(body),
+            to=[to]
+        )
+        email.content_subtype = "html"
+        email.send()
+
+    @staticmethod
+    def notify_team(team, tournament, message_type: TeamEmailType):
+        captain = None
+        other_player = None
+
+        for player in team.playerregistration_set.all():
+            if player.captain:
+                captain = player
+            else:
+                other_player = player
+
+        if captain:
+            TournamentEmailService.notify(captain, other_player, tournament, message_type)
+        else:
+            # Notify both players separately if there is no captain or the captain is unavailable
+            players = list(team.playerregistration_set.all())
+            if len(players) == 2:
+                first_player, second_player = players
+                TournamentEmailService.notify(first_player, second_player, tournament, message_type)
+                TournamentEmailService.notify(second_player, first_player, tournament, message_type)
+            elif len(players) == 1:
+                # If there's only one player, just send them the notification
+                TournamentEmailService.notify(players[0], None, tournament, message_type)

tournaments/signals.py

@@ -1,18 +1,19 @@
 import random
 import string
-from django.db.models.signals import post_save, pre_delete, post_delete
+from django.db.models.signals import pre_save, post_save, pre_delete, post_delete
 from django.dispatch import receiver
 from django.conf import settings
 from tournaments.models.tournament import Tournament
 from tournaments.models.unregistered_player import UnregisteredPlayer
 from django.utils import timezone
 
-from .models import Club, FailedApiCall, CustomUser, Log, TeamRegistration, PlayerRegistration, UnregisteredTeam, UnregisteredPlayer
+from .models import Club, FailedApiCall, CustomUser, Log, TeamRegistration, PlayerRegistration, UnregisteredTeam, UnregisteredPlayer, TeamSortingType
 import requests
-from tournaments.services.email_service import TournamentEmailService
+from tournaments.services.email_service import TournamentEmailService, TeamEmailType
 from tournaments.models import PlayerDataSource
 
 from shared.discord import send_discord_log_message, send_discord_failed_calls_message
+from datetime import datetime
 
 def generate_unique_code():
     characters = string.ascii_lowercase + string.digits
@@ -48,95 +49,91 @@ def notify_object_creation_on_discord(created, instance):
             else:
                 send_discord_log_message(message)
 
-
-# def send_discord_message(webhook_url, content):
-#     data = {
-#         "content": content
-#     }
-#     requests.post(webhook_url, json=data)
-#     # if response.status_code != 204:
-#     #     raise ValueError(
-#     #         f'Error sending message to Discord webhook: {response.status_code}, {response.text}'
-#     #     )
+def notify_team(team, tournament, message_type):
+    if tournament.online_registration is False:
+        return
+    TournamentEmailService.notify_team(team, tournament, message_type)
 
 @receiver(pre_delete, sender=TeamRegistration)
 def unregister_team(sender, instance, **kwargs):
-    team_registration = instance
-    tournament = instance.tournament
-    if tournament.is_deleted is True:
+    if instance.tournament.is_deleted:
+        return
+    if instance.online_registration is False:
         return
 
-    # Create unregistered player records and track captain/other player
-    captain = None
-    other_player = None
-    for player in team_registration.playerregistration_set.all():
-        if player.captain is True:
-            captain = player
-        else:
-            other_player = player
-
-    # Send unregistration confirmation
-    if captain and captain.registered_online and captain.email:
-        TournamentEmailService.send_unregistration_confirmation(
-            captain,
-            tournament,
-            other_player
-        )
+    notify_team(instance, instance.tournament, TeamEmailType.UNREGISTERED)
+    first_waiting_list_team = instance.tournament.first_waiting_list_team()
+    if first_waiting_list_team:
+        notify_team(first_waiting_list_team, instance.tournament, TeamEmailType.OUT_OF_WAITING_LIST)
+
+@receiver(post_save, sender=Tournament)
+def notify_players_of_tournament_cancellation(sender, instance, **kwargs):
+    if not instance.is_deleted:
+        return
 
-    first_waiting_list_team = tournament.first_waiting_list_team()
-    print("first_waiting_list_team", first_waiting_list_team)
+    if instance.online_registration is False:
+        return
 
-    # Handle waiting list notifications
-    if first_waiting_list_team:
-        waiting_captain = None
-        waiting_other_player = None
-        for player in first_waiting_list_team.playerregistration_set.all():
-            if player.captain is True:
-                waiting_captain = player
-            else:
-                waiting_other_player = player
+    for team_registration in instance.teamregistration_set.all():
+        notify_team(team_registration, instance, TeamEmailType.TOURNAMENT_CANCELED)
 
-        if waiting_captain and waiting_captain.registered_online and waiting_captain.email:
-            TournamentEmailService.send_out_of_waiting_list_confirmation(
-                waiting_captain,
-                tournament,
-                waiting_other_player
+@receiver(pre_save, sender=Tournament)
+def check_waiting_list(sender, instance, **kwargs):
+    if instance.id is None:
+        return
+
+    if instance.online_registration is False:
+        return
+
+    previous_state = Tournament.objects.get(id=instance.id)
+    if previous_state is None:
+        return
+
+    teams_out_to_warn = []
+    teams_in_to_warn = []
+
+    if previous_state.team_count > instance.team_count:
+        teams_to_remove_count = previous_state.team_count - instance.team_count
+        sorted_teams = sorted(
+            [team for team in previous_state.teams(True) if team.stage != "Attente" and not (team.wildcard_bracket or team.wildcard_groupstage)],
+            key=lambda t: (
+                t.registration_date is None, t.registration_date or datetime.min, t.initial_weight, t.team_registration.id
+            ) if previous_state.team_sorting == TeamSortingType.INSCRIPTION_DATE else
+            (t.initial_weight, t.team_registration.id)
         )
+        teams_out_to_warn = sorted_teams[-teams_to_remove_count:]
+    elif previous_state.team_count < instance.team_count:
+        teams_in_to_warn = previous_state.teams(True)[:(instance.team_count - previous_state.team_count)]
 
-@receiver(post_save, sender=Tournament)
-def notify_players_of_tournament_cancellation(sender, instance, **kwargs):
-    tournament = instance
+    for team in teams_in_to_warn:
+        notify_team(team, instance, TeamEmailType.IN_TOURNAMENT_STRUCTURE)
 
-    if tournament.is_deleted is False:
+    for team in teams_out_to_warn:
+        notify_team(team, instance, TeamEmailType.OUT_OF_TOURNAMENT_STRUCTURE)
+
+@receiver(pre_save, sender=TeamRegistration)
+def warn_team_walkout_status_change(sender, instance, **kwargs):
+    if instance.id is None:
         return
 
-    # Get all team registrations
-    team_registrations = tournament.teamregistration_set.all()
+    if instance.tournament.online_registration is False:
+        return
 
-    for team_registration in team_registrations:
-        captain = None
-        other_player = None
+    previous_instance = TeamRegistration.objects.get(id=instance.id)
+    if previous_instance is None:
+        return
 
-        # Get players who registered online and have email
-        for player in team_registration.playerregistration_set.all():
-            print(player, player.registered_online)
-            if player.captain:
-                captain = player
+    if previous_instance.out_of_tournament() and not instance.out_of_tournament():
+        is_in, first_out_of_list = instance.tournament.first_out_of_list(instance)
+        if is_in:
+            notify_team(instance, instance.tournament, TeamEmailType.OUT_OF_WALKOUT_IS_IN)
         else:
-                other_player = player
-
-        # Send email to captain
-        if captain and captain.registered_online and captain.email:
-            TournamentEmailService.send_tournament_cancellation_notification(
-                captain,
-                tournament,
-                other_player
-            )
+            notify_team(instance, instance.tournament, TeamEmailType.OUT_OF_WALKOUT_WAITING_LIST)
+        if first_out_of_list:
+            notify_team(first_out_of_list, instance.tournament, TeamEmailType.UNEXPECTED_OUT_OF_TOURNAMENT)
 
-        # Send email to other player if they exist and registered online
-        if other_player and other_player.registered_online and other_player.email:
-            TournamentEmailService.send_tournament_cancellation_notification(
-                other_player,
-                tournament,
-                captain
-            )
+    elif not previous_instance.out_of_tournament() and instance.out_of_tournament():
+        notify_team(instance, instance.tournament, TeamEmailType.WALKOUT)
+        first_waiting_list_team = instance.tournament.first_waiting_list_team()
+        if first_waiting_list_team:
+            notify_team(first_waiting_list_team, instance.tournament, TeamEmailType.OUT_OF_WAITING_LIST)

tournaments/views.py

@@ -271,8 +271,8 @@ def tournament_teams(request, tournament_id):
 
     tournament = get_object_or_404(Tournament, pk=tournament_id)
     teams = tournament.teams(True)
-    selected_teams = [team for team in teams if team.stage != 'Attente']
-    waiting_teams = [team for team in teams if team.stage == 'Attente']
+    selected_teams = [team for team in teams if team.stage != "Attente"]
+    waiting_teams = [team for team in teams if team.stage == "Attente"]
 
     return render(request, 'tournaments/teams.html', {
         'tournament': tournament,