some enhancements for tournaments

backend/models/Tournament.js

@@ -27,7 +27,8 @@ const Tournament = sequelize.define('Tournament', {
         type: DataTypes.INTEGER,
         allowNull: false,
         defaultValue: 1
-    }
+    },
+    advancingPerGroup:  { type: DataTypes.INTEGER, allowNull: false, defaultValue: 1 },
 }, {
   underscored: true,
   tableName: 'tournament',

backend/models/TournamentMatch.js

@@ -1,36 +1,51 @@
+// models/TournamentMatch.js
 import { DataTypes } from 'sequelize';
 import sequelize from '../database.js';
+import Tournament from './Tournament.js';
+import TournamentGroup from './TournamentGroup.js';
 
 const TournamentMatch = sequelize.define('TournamentMatch', {
-    tournamentId: {
-        type: DataTypes.INTEGER,
-        allowNull: false,
+  tournamentId: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    references: {
+      model: Tournament,
+      key: 'id'
     },
-    groupId: {
-        type: DataTypes.INTEGER,
-        allowNull: true,
-    },
-    round: {
-        type: DataTypes.STRING,
-        allowNull: false,
-    },
-    player1Id: {
-        type: DataTypes.INTEGER,
-        allowNull: false,
-    },
-    player2Id: {
-        type: DataTypes.INTEGER,
-        allowNull: false,
-    },
-    isFinished: {
-        type: DataTypes.BOOLEAN,
-        allowNull: false,
-        defaultValue: false,
-    },
-    result: {
-        type: DataTypes.STRING,
-        allowNull: true,
+    onDelete: 'CASCADE',
+    onUpdate: 'CASCADE'
+  },
+  groupId: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    references: {
+      model: TournamentGroup,
+      key: 'id'
     },
+    onDelete: 'SET NULL',
+    onUpdate: 'CASCADE'
+  },
+  round: {
+    type: DataTypes.STRING,
+    allowNull: false,
+  },
+  player1Id: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+  },
+  player2Id: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+  },
+  isFinished: {
+    type: DataTypes.BOOLEAN,
+    allowNull: false,
+    defaultValue: false,
+  },
+  result: {
+    type: DataTypes.STRING,
+    allowNull: true,
+  },
 }, {
   underscored: true,
   tableName: 'tournament_match',

backend/models/index.js

@@ -149,8 +149,19 @@ Tournament.hasMany(TournamentMatch, { foreignKey: 'tournamentId', as: 'tournamen
 TournamentMatch.belongsTo(TournamentGroup, { foreignKey: 'groupId', as: 'group' });
 TournamentGroup.hasMany(TournamentMatch, { foreignKey: 'groupId', as: 'tournamentMatches' });
 
-TournamentResult.belongsTo(TournamentMatch, { foreignKey: 'matchId', as: 'match' });
-TournamentMatch.hasMany(TournamentResult, { foreignKey: 'matchId', as: 'tournamentResults' });
+TournamentMatch.hasMany(TournamentResult, {
+  foreignKey: 'matchId',
+  as: 'tournamentResults',
+  onDelete: 'CASCADE',
+  onUpdate: 'CASCADE'
+});
+
+TournamentResult.belongsTo(TournamentMatch, {
+  foreignKey: 'matchId',
+  as: 'match',
+  onDelete: 'CASCADE',
+  onUpdate: 'CASCADE'
+});
 
 TournamentMatch.belongsTo(TournamentMember, { foreignKey: 'player1Id', as: 'player1' });
 TournamentMatch.belongsTo(TournamentMember, { foreignKey: 'player2Id', as: 'player2' });