add: tournament: graph de bz

tournament/serializers.py

@@ -1,11 +1,20 @@
 from rest_framework import serializers
-from .models import TournamentModel
+
+from django.db.models.query import QuerySet
+
+from django.contrib.auth.models import User
+
+from .models import TournamentModel, tournament_manager
+
+from profiles.models import ProfileModel
+from profiles.serializers import ProfileSerializer
 from games.serializers import GameSerializer
 
 class TournamentSerializer(serializers.ModelSerializer):
 
     levels = serializers.SerializerMethodField(read_only=True, required=False)
     state = serializers.SerializerMethodField(read_only=True, required=False)
+    participants = serializers.SerializerMethodField(read_only=True, required=False)
     level = serializers.ReadOnlyField()
     started = serializers.ReadOnlyField()
     finished = serializers.ReadOnlyField()
@@ -13,7 +22,32 @@ class TournamentSerializer(serializers.ModelSerializer):
 
     class Meta:
         model = TournamentModel
-        fields = ["name", "nb_players", "nb_players_by_game", "level", "started", "finished", "levels", "id", "state"]
+        fields = ["name", "nb_players", "nb_players_by_game", "level", "started", "finished", "levels", "id", "state", "participants"]
+
+    def get_participants(self, instance: TournamentModel):
+        
+        participants_id: list[ProfileModel]
+        
+        if (instance.started):
+            participants_id = instance.get_participants_id()
+        else:
+            participants_id = tournament_manager.get(instance.pk).get_participants_id()
+
+        participants_profile: list[ProfileModel] = []
+        for participant_id in participants_id:
+            query: QuerySet = ProfileModel.objects.filter(user_id = participant_id)
+            profile_data: dict
+            if query.exists():
+                profile_data = ProfileSerializer(query[0]).data
+            else:
+                profile_data = { 
+                    "username": "deleted_user",
+                    "avatar": "/static/avatars/default.avif",
+                    "user_id": participants_id
+                }
+            participants_profile.append(profile_data)
+        
+        return participants_profile
 
     def get_state(self, instance: TournamentModel):
         return ["waiting", "started", "finished"][instance.started + instance.finished]
@@ -31,6 +65,7 @@ class TournamentSerializer(serializers.ModelSerializer):
         if (value < 2):
             raise serializers.ValidationError("The numbers of players must be greather than 2.")
         return value
+    
     def validate_nb_players_by_game(self, value: int):
         if (value < 2):
             raise serializers.ValidationError("The numbers of players by game must be greather than 2.")