update

2026-01-26 20:23:08 +07:00
parent 53d97ba5db
commit 2c7b4675a7
49 changed files with 12668 additions and 1 deletions
--- a/models/Grammar.js
+++ b/models/Grammar.js
@@ -0,0 +1,84 @@
+const { DataTypes } = require('sequelize');
+const { sequelize } = require('../config/database');
+
+const Grammar = sequelize.define('Grammar', {
+  id: {
+    type: DataTypes.UUID,
+    defaultValue: DataTypes.UUIDV4,
+    primaryKey: true
+  },
+  grammar_code: {
+    type: DataTypes.STRING(100),
+    allowNull: false,
+    unique: true,
+    comment: 'Unique identifier for grammar rule (e.g., "gram-001-present-cont")'
+  },
+  title: {
+    type: DataTypes.STRING(200),
+    allowNull: false,
+    comment: 'Grammar rule name (e.g., "Present Continuous")'
+  },
+  translation: {
+    type: DataTypes.STRING(200),
+    allowNull: true,
+    comment: 'Vietnamese translation'
+  },
+  
+  // GENERATIVE LOGIC
+  structure: {
+    type: DataTypes.JSON,
+    allowNull: false,
+    defaultValue: {},
+    comment: 'Formula and pattern_logic for sentence generation. Structure: { formula: string, pattern_logic: array }'
+  },
+  
+  // METADATA
+  instructions: {
+    type: DataTypes.JSON,
+    allowNull: true,
+    defaultValue: {},
+    comment: 'Instructions and hints. Structure: { vi: string, hint: string }'
+  },
+  
+  // ATTRIBUTES
+  difficulty_score: {
+    type: DataTypes.INTEGER,
+    allowNull: true,
+    defaultValue: 1,
+    validate: {
+      min: 1,
+      max: 10
+    },
+    comment: 'Difficulty level from 1 (easiest) to 10 (hardest)'
+  },
+  category: {
+    type: DataTypes.STRING(100),
+    allowNull: true,
+    comment: 'Grammar category (e.g., "Tenses", "Modal Verbs", "Questions")'
+  },
+  tags: {
+    type: DataTypes.JSON,
+    allowNull: true,
+    defaultValue: [],
+    comment: 'Array of tags for categorization'
+  },
+  
+  // STATUS
+  is_active: {
+    type: DataTypes.BOOLEAN,
+    allowNull: false,
+    defaultValue: true,
+    comment: 'Soft delete flag'
+  }
+}, {
+  tableName: 'grammars',
+  timestamps: true,
+  indexes: [
+    { fields: ['grammar_code'], unique: true },
+    { fields: ['category'] },
+    { fields: ['difficulty_score'] },
+    { fields: ['is_active'] }
+  ]
+});
+
+module.exports = Grammar;