137 lines
3.6 KiB
TypeScript
137 lines
3.6 KiB
TypeScript
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/**
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* 通用高级查询API接口
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* Universal Advanced Query API Endpoint
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*/
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import type { AdvancedQueryOptions } from '@nuxt4crud/shared'
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import { prisma } from '../lib/prisma'
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import { createSqlQueryBuilder } from '../lib/sql-query-builder'
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/**
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* 通用查询请求体接口
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* Universal query request body interface
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*/
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interface UniversalQueryRequest {
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table: string
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options: AdvancedQueryOptions
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searchFields?: string[]
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mode?: 'query' | 'aggregate'
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}
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/**
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* 支持的表名映射（安全检查）
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* Supported table names mapping (security check)
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*/
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const ALLOWED_TABLES = {
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Post: 'posts', // 支持 Post 表
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User: 'users', // 支持 User 表
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// 可以在这里添加更多允许查询的表
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} as const
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/**
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* 默认搜索字段配置
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* Default search fields configuration
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*/
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const DEFAULT_SEARCH_FIELDS: Record<string, string[]> = {
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posts: ['title', 'content'], // Post 表搜索字段
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users: ['name', 'email'], // User 表搜索字段
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// 可以为其他表配置默认搜索字段
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}
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/**
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* 通用高级查询API处理器
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* Universal advanced query API handler
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*/
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export default defineEventHandler(async event => {
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try {
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// 只允许POST方法
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assertMethod(event, 'POST')
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// 获取请求体
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const body = (await readBody(event)) as UniversalQueryRequest
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// 验证请求参数
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if (!body.table || !body.options) {
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throw createError({
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statusCode: 400,
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statusMessage: '缺少必要参数: table 和 options',
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})
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}
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// 安全检查：验证表名是否允许
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const tableName = ALLOWED_TABLES[body.table as keyof typeof ALLOWED_TABLES]
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if (!tableName) {
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throw createError({
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statusCode: 400,
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statusMessage: `不允许查询表: ${body.table}`,
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})
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}
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// 创建SQL查询构造器
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const queryBuilder = createSqlQueryBuilder(prisma)
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// 获取表字段信息
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const availableFields = await queryBuilder.getTableFields(tableName)
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// 验证查询选项
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const validationErrors = queryBuilder.validateQueryOptions(body.options, availableFields)
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if (validationErrors.length > 0) {
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throw createError({
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statusCode: 400,
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statusMessage: `查询参数验证失败: ${validationErrors.join(', ')}`,
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})
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}
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// 获取搜索字段
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const searchFields = body.searchFields || DEFAULT_SEARCH_FIELDS[tableName] || []
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// 执行查询
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let result: any
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if (body.mode === 'aggregate') {
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// 执行聚合查询
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result = await queryBuilder.executeAggregateQuery(tableName, body.options)
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return {
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success: true,
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data: {
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table: tableName,
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mode: 'aggregate',
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result,
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options: body.options,
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availableFields,
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searchFields,
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},
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message: '聚合查询执行成功',
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}
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} else {
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// 执行普通查询
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result = await queryBuilder.executeQuery(tableName, body.options, searchFields)
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return {
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success: true,
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data: {
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table: tableName,
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mode: 'query',
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...result,
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availableFields,
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searchFields,
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},
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message: '查询执行成功',
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}
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}
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} catch (error) {
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console.error('Universal query API error:', error)
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// 如果是已知错误，直接抛出
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if (error && typeof error === 'object' && 'statusCode' in error) {
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throw error
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}
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// 处理未知错误
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throw createError({
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statusCode: 500,
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statusMessage: `查询执行失败: ${error instanceof Error ? error.message : '未知错误'}`,
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})
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}
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})
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