66 lines
1.6 KiB
JavaScript
66 lines
1.6 KiB
JavaScript
const { DataTypes } = require('sequelize');
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const { sequelize } = require('../config/database');
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const VocabRelation = sequelize.define('VocabRelation', {
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relation_id: {
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type: DataTypes.UUID,
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defaultValue: DataTypes.UUIDV4,
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primaryKey: true,
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comment: 'Unique identifier for vocabulary relation'
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},
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vocab_id: {
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type: DataTypes.UUID,
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allowNull: false,
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references: {
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model: 'vocab',
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key: 'vocab_id'
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},
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onDelete: 'CASCADE',
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comment: 'Reference to vocabulary entry'
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},
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relation_type: {
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type: DataTypes.ENUM('synonym', 'antonym', 'related'),
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allowNull: false,
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comment: 'Type of relation (synonym, antonym, related)'
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},
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related_word: {
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type: DataTypes.STRING(100),
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allowNull: false,
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comment: 'The related word (e.g., consume, dine, fast)'
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},
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related_vocab_id: {
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type: DataTypes.UUID,
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references: {
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model: 'vocab',
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key: 'vocab_id'
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},
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onDelete: 'SET NULL',
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comment: 'Reference to related vocab entry if it exists in system'
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},
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created_at: {
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type: DataTypes.DATE,
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defaultValue: DataTypes.NOW
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}
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}, {
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tableName: 'vocab_relation',
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timestamps: true,
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createdAt: 'created_at',
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updatedAt: false,
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indexes: [
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{
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name: 'idx_vocab_relation_vocab',
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fields: ['vocab_id']
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},
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{
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name: 'idx_vocab_relation_type',
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fields: ['relation_type']
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},
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{
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name: 'idx_vocab_relation_related',
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fields: ['related_vocab_id']
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}
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]
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});
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module.exports = VocabRelation;
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