add changes

2025-12-26 23:56:32 +02:00
parent 410c3d725f
commit e7d26bc981
127 changed files with 36162 additions and 0 deletions
--- a/migrations/20251110191906-create-quiz-session-questions.js
+++ b/migrations/20251110191906-create-quiz-session-questions.js
@@ -0,0 +1,84 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable('quiz_session_questions', {
+      id: {
+        type: Sequelize.CHAR(36),
+        primaryKey: true,
+        allowNull: false,
+        comment: 'UUID primary key'
+      },
+      quiz_session_id: {
+        type: Sequelize.CHAR(36),
+        allowNull: false,
+        references: {
+          model: 'quiz_sessions',
+          key: 'id'
+        },
+        onUpdate: 'CASCADE',
+        onDelete: 'CASCADE',
+        comment: 'Foreign key to quiz_sessions table'
+      },
+      question_id: {
+        type: Sequelize.CHAR(36),
+        allowNull: false,
+        references: {
+          model: 'questions',
+          key: 'id'
+        },
+        onUpdate: 'CASCADE',
+        onDelete: 'CASCADE',
+        comment: 'Foreign key to questions table'
+      },
+      question_order: {
+        type: Sequelize.INTEGER.UNSIGNED,
+        allowNull: false,
+        comment: 'Order of question in the quiz (1-based)'
+      },
+      created_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP'),
+        comment: 'Record creation timestamp'
+      },
+      updated_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP'),
+        comment: 'Record last update timestamp'
+      }
+    }, {
+      charset: 'utf8mb4',
+      collate: 'utf8mb4_unicode_ci',
+      comment: 'Junction table linking quiz sessions with questions'
+    });
+
+    // Add indexes
+    await queryInterface.addIndex('quiz_session_questions', ['quiz_session_id'], {
+      name: 'idx_qsq_session_id'
+    });
+
+    await queryInterface.addIndex('quiz_session_questions', ['question_id'], {
+      name: 'idx_qsq_question_id'
+    });
+
+    await queryInterface.addIndex('quiz_session_questions', ['question_order'], {
+      name: 'idx_qsq_question_order'
+    });
+
+    // Unique composite index to prevent duplicate questions in same session
+    await queryInterface.addIndex('quiz_session_questions', ['quiz_session_id', 'question_id'], {
+      name: 'idx_qsq_session_question',
+      unique: true
+    });
+
+    console.log('✅ Quiz session questions junction table created with 5 fields and 4 indexes');
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.dropTable('quiz_session_questions');
+    console.log('✅ Quiz session questions table dropped');
+  }
+};