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/20251110191735-create-quiz-answers.js
+++ b/migrations/20251110191735-create-quiz-answers.js
@@ -0,0 +1,111 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.createTable('quiz_answers', {
+      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'
+      },
+      selected_option: {
+        type: Sequelize.STRING(255),
+        allowNull: false,
+        comment: 'The option selected by the user'
+      },
+      is_correct: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+        comment: 'Whether the selected answer was correct'
+      },
+      points_earned: {
+        type: Sequelize.INTEGER.UNSIGNED,
+        allowNull: false,
+        defaultValue: 0,
+        comment: 'Points earned for this answer'
+      },
+      time_taken: {
+        type: Sequelize.INTEGER.UNSIGNED,
+        allowNull: false,
+        defaultValue: 0,
+        comment: 'Time taken to answer in seconds'
+      },
+      answered_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP'),
+        comment: 'When the question was answered'
+      },
+      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: 'Stores individual answers given during quiz sessions'
+    });
+
+    // Add indexes
+    await queryInterface.addIndex('quiz_answers', ['quiz_session_id'], {
+      name: 'idx_quiz_answers_session_id'
+    });
+
+    await queryInterface.addIndex('quiz_answers', ['question_id'], {
+      name: 'idx_quiz_answers_question_id'
+    });
+
+    await queryInterface.addIndex('quiz_answers', ['is_correct'], {
+      name: 'idx_quiz_answers_is_correct'
+    });
+
+    await queryInterface.addIndex('quiz_answers', ['answered_at'], {
+      name: 'idx_quiz_answers_answered_at'
+    });
+
+    // Composite index for session + question (unique constraint)
+    await queryInterface.addIndex('quiz_answers', ['quiz_session_id', 'question_id'], {
+      name: 'idx_quiz_answers_session_question',
+      unique: true
+    });
+
+    console.log('✅ Quiz answers table created successfully with 9 fields and 5 indexes');
+  },
+
+  async down(queryInterface, Sequelize) {
+    await queryInterface.dropTable('quiz_answers');
+    console.log('✅ Quiz answers table dropped');
+  }
+};