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/20251109220030-create-questions.js
+++ b/migrations/20251109220030-create-questions.js
@@ -0,0 +1,191 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+module.exports = {
+  async up (queryInterface, Sequelize) {
+    console.log('Creating questions table...');
+    
+    await queryInterface.createTable('questions', {
+      id: {
+        type: Sequelize.CHAR(36),
+        primaryKey: true,
+        allowNull: false,
+        comment: 'UUID primary key'
+      },
+      category_id: {
+        type: Sequelize.CHAR(36),
+        allowNull: false,
+        references: {
+          model: 'categories',
+          key: 'id'
+        },
+        onUpdate: 'CASCADE',
+        onDelete: 'RESTRICT',
+        comment: 'Foreign key to categories table'
+      },
+      created_by: {
+        type: Sequelize.CHAR(36),
+        allowNull: true,
+        references: {
+          model: 'users',
+          key: 'id'
+        },
+        onUpdate: 'CASCADE',
+        onDelete: 'SET NULL',
+        comment: 'User who created the question (admin)'
+      },
+      question_text: {
+        type: Sequelize.TEXT,
+        allowNull: false,
+        comment: 'The question text'
+      },
+      question_type: {
+        type: Sequelize.ENUM('multiple', 'trueFalse', 'written'),
+        allowNull: false,
+        defaultValue: 'multiple',
+        comment: 'Type of question'
+      },
+      options: {
+        type: Sequelize.JSON,
+        allowNull: true,
+        comment: 'Answer options for multiple choice (JSON array)'
+      },
+      correct_answer: {
+        type: Sequelize.STRING(255),
+        allowNull: false,
+        comment: 'Correct answer (index for multiple choice, true/false for boolean)'
+      },
+      explanation: {
+        type: Sequelize.TEXT,
+        allowNull: true,
+        comment: 'Explanation for the correct answer'
+      },
+      difficulty: {
+        type: Sequelize.ENUM('easy', 'medium', 'hard'),
+        allowNull: false,
+        defaultValue: 'medium',
+        comment: 'Question difficulty level'
+      },
+      points: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 10,
+        comment: 'Points awarded for correct answer'
+      },
+      time_limit: {
+        type: Sequelize.INTEGER,
+        allowNull: true,
+        comment: 'Time limit in seconds (optional)'
+      },
+      keywords: {
+        type: Sequelize.JSON,
+        allowNull: true,
+        comment: 'Search keywords (JSON array)'
+      },
+      tags: {
+        type: Sequelize.JSON,
+        allowNull: true,
+        comment: 'Tags for categorization (JSON array)'
+      },
+      visibility: {
+        type: Sequelize.ENUM('public', 'registered', 'premium'),
+        allowNull: false,
+        defaultValue: 'registered',
+        comment: 'Who can see this question'
+      },
+      guest_accessible: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+        defaultValue: false,
+        comment: 'Whether guests can access this question'
+      },
+      is_active: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+        defaultValue: true,
+        comment: 'Question active status'
+      },
+      times_attempted: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 0,
+        comment: 'Number of times question was attempted'
+      },
+      times_correct: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 0,
+        comment: 'Number of times answered correctly'
+      },
+      created_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP')
+      },
+      updated_at: {
+        type: Sequelize.DATE,
+        allowNull: false,
+        defaultValue: Sequelize.literal('CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP')
+      }
+    }, {
+      charset: 'utf8mb4',
+      collate: 'utf8mb4_unicode_ci',
+      engine: 'InnoDB'
+    });
+
+    // Add indexes
+    await queryInterface.addIndex('questions', ['category_id'], {
+      name: 'idx_questions_category_id'
+    });
+
+    await queryInterface.addIndex('questions', ['created_by'], {
+      name: 'idx_questions_created_by'
+    });
+
+    await queryInterface.addIndex('questions', ['question_type'], {
+      name: 'idx_questions_question_type'
+    });
+
+    await queryInterface.addIndex('questions', ['difficulty'], {
+      name: 'idx_questions_difficulty'
+    });
+
+    await queryInterface.addIndex('questions', ['visibility'], {
+      name: 'idx_questions_visibility'
+    });
+
+    await queryInterface.addIndex('questions', ['guest_accessible'], {
+      name: 'idx_questions_guest_accessible'
+    });
+
+    await queryInterface.addIndex('questions', ['is_active'], {
+      name: 'idx_questions_is_active'
+    });
+
+    await queryInterface.addIndex('questions', ['created_at'], {
+      name: 'idx_questions_created_at'
+    });
+
+    // Composite index for common query patterns
+    await queryInterface.addIndex('questions', ['category_id', 'is_active', 'difficulty'], {
+      name: 'idx_questions_category_active_difficulty'
+    });
+
+    await queryInterface.addIndex('questions', ['is_active', 'guest_accessible'], {
+      name: 'idx_questions_active_guest'
+    });
+
+    // Full-text search index
+    await queryInterface.sequelize.query(
+      'CREATE FULLTEXT INDEX idx_questions_fulltext ON questions(question_text, explanation)'
+    );
+
+    console.log('✅ Questions table created successfully with indexes and full-text search');
+  },
+
+  async down (queryInterface, Sequelize) {
+    console.log('Dropping questions table...');
+    await queryInterface.dropTable('questions');
+    console.log('✅ Questions table dropped successfully');
+  }
+};