387 lines
12 KiB
TypeScript
387 lines
12 KiB
TypeScript
// app/api/postgrest-client.ts
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import { apiRequest, type QueryParams } from './client';
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import { handleApiError } from './error-handler';
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/**
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* PostgresREST 特定的查询参数接口
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*/
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export interface PostgrestParams {
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select?: string;
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order?: string;
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limit?: number;
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offset?: number;
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filter?: Record<string, unknown>;
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schema?: string; // 指定 PostgreSQL schema
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or?: Array<Record<string, unknown>> | string; // 支持OR条件查询
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[key: string]: unknown; // 允许添加其他参数
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headers?: Record<string, string>;
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}
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/**
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* 打印 PostgREST 查询日志
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* @param endpoint 端点
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* @param params 参数
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*/
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function logPostgrestQuery(endpoint: string, params?: QueryParams): void {
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if (process.env.NODE_ENV !== 'production') {
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const baseUrl = 'http://172.16.0.119:9000/admin';
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console.log('\n📦 PostgREST 查询日志 ========================');
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console.log(`📦 API 端点: ${baseUrl}/${endpoint}`);
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if (params && Object.keys(params).length > 0) {
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console.log('📦 查询参数:');
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// 以可读格式单独打印每个参数
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Object.entries(params).forEach(([key, value]) => {
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if (value !== undefined) {
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if (key === 'select' && typeof value === 'string') {
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// 美化 select 参数,使其看起来像 SQL 查询
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console.log(` - ${key}:`);
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const fields = value.replace(/\s+/g, ' ').trim().split(',');
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fields.forEach(field => {
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console.log(` ${field.trim()}`);
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});
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} else if (key === 'order' && typeof value === 'string') {
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// 格式化排序参数
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console.log(` - ${key}: ${value.replace(/\./g, ' ')}`); // 例如:created_at desc
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} else if (key === 'or' && typeof value === 'string') {
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// 格式化OR条件
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console.log(` - ${key}: ${value.replace(/\./g, ' -> ').replace(/,/g, ' 或 ')}`);
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} else {
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console.log(` - ${key}: ${JSON.stringify(value)}`);
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}
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}
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});
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// 构建人类可读的简化URL
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const readableQueryString = Object.entries(params)
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.filter(([, value]) => value !== undefined)
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.map(([key, value]) => {
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if (key === 'select' && typeof value === 'string') {
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// 简化select查询
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return `${key}=...`;
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}
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return `${key}=${value}`;
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})
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.join('&');
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console.log(`\n📦 可读URL: ${baseUrl}/${endpoint}${readableQueryString ? '?' + readableQueryString : ''}`);
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// 格式化查询为 PostgreSQL 风格的查询
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let postgrestQuery = `SELECT `;
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if (params.select && typeof params.select === 'string') {
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postgrestQuery += params.select.replace(/\s+/g, ' ').trim();
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} else {
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postgrestQuery += '*';
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}
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postgrestQuery += ` FROM ${endpoint}`;
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const conditions: string[] = [];
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// 添加过滤条件
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if (params.filter) {
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Object.entries(params.filter).forEach(([key, value]) => {
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if (value !== undefined && typeof value === 'string') {
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// 解析 eq.X, neq.X, gt.X 等
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const parts = value.toString().split('.');
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if (parts.length >= 2) {
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const operator = parts[0];
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const operatorMap: Record<string, string> = {
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'eq': '=',
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'neq': '!=',
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'gt': '>',
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'gte': '>=',
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'lt': '<',
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'lte': '<=',
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'like': 'LIKE',
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'ilike': 'ILIKE'
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};
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const sqlOperator = operatorMap[operator] || operator;
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const value = parts.slice(1).join('.');
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conditions.push(`${key} ${sqlOperator} '${value}'`);
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}
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}
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});
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}
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// 添加 OR 条件
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if (params.or) {
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if (typeof params.or === 'string') {
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if (params.or.startsWith('(') && params.or.endsWith(')')) {
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// 处理 or=(cond1,cond2) 格式
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const orConditions = params.or.slice(1, -1).split(',').map(cond => {
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const [field, operator] = cond.split('.');
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return `${field} ${operator.replace(/ilike/i, 'ILIKE')}`;
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});
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if (orConditions.length > 0) {
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conditions.push(`(${orConditions.join(' OR ')})`);
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}
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} else {
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// 简单 or 条件
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conditions.push(params.or);
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}
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}
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}
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// 添加WHERE子句
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if (conditions.length > 0) {
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postgrestQuery += ` WHERE ${conditions.join(' AND ')}`;
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}
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// 添加ORDER BY
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if (params.order && typeof params.order === 'string') {
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const [field, direction] = params.order.split('.');
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postgrestQuery += ` ORDER BY ${field} ${direction.toUpperCase()}`;
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}
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// 添加LIMIT和OFFSET
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if (params.limit !== undefined) {
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postgrestQuery += ` LIMIT ${params.limit}`;
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}
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if (params.offset !== undefined) {
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postgrestQuery += ` OFFSET ${params.offset}`;
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}
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console.log('\n📦 等效SQL查询:');
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console.log(postgrestQuery);
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console.log('=========================================\n');
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}
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}
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}
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/**
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* 将通用查询参数转换为 PostgresREST 支持的格式
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* @param params 查询参数
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* @returns 转换后的 PostgresREST 参数
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*/
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export function transformParams(params: PostgrestParams): QueryParams {
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const result: QueryParams = {};
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// 处理 select 参数
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if (params.select) {
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result.select = params.select;
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}
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// 处理 order 参数
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if (params.order) {
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result.order = params.order;
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}
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// 处理 limit 和 offset 参数
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if (params.limit !== undefined) {
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result.limit = params.limit;
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}
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if (params.offset !== undefined) {
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result.offset = params.offset;
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}
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// 处理 schema 参数
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if (params.schema) {
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result.schema = params.schema;
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}
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// 处理或条件 (OR) - 两种格式支持
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if (params.or) {
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// 如果是字符串格式 (例如 "name.ilike.*keyword*,code.ilike.*keyword*")
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if (typeof params.or === 'string') {
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result.or = params.or;
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}
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// 如果是数组格式, 转换为 PostgREST 的 or=(condition1,condition2) 格式
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else if (Array.isArray(params.or)) {
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const orConditions: string[] = [];
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params.or.forEach(condition => {
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const entries = Object.entries(condition);
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if (entries.length === 1) {
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const [field, operator] = entries[0];
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orConditions.push(`${field}.${operator}`);
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}
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});
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if (orConditions.length > 0) {
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result.or = `(${orConditions.join(',')})`;
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}
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}
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}
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// 处理过滤条件 - PostgresREST 格式
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if (params.filter) {
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Object.entries(params.filter).forEach(([key, value]) => {
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// 如果值不为 undefined,则添加到查询参数中
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if (value !== undefined) {
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// 支持 PostgreSQL 的比较操作符 (eq, gt, lt, gte, lte, like, ilike 等)
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result[key] = value as string | number | boolean;
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}
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});
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}
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// 处理其他额外参数
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Object.entries(params).forEach(([key, value]) => {
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// 跳过已处理的特殊参数
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if (!['select', 'order', 'limit', 'offset', 'filter', 'schema', 'or'].includes(key) && value !== undefined) {
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result[key] = value as string | number | boolean;
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}
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});
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return result;
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}
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/**
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* 发送 GET 请求到 PostgresREST 接口
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* @param endpoint 端点
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* @param params 查询参数
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* @returns 响应数据
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*/
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export async function postgrestGet<T>(endpoint: string, params?: PostgrestParams): Promise<{data: T; headers?: Record<string, string>; error?: never} | {data?: never; error: string; status?: number}> {
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try {
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const queryParams = params ? transformParams(params) : {};
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// 确保端点没有前导斜杠,因为API_BASE_URL已经包含了路径前缀
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const apiEndpoint = endpoint.startsWith('/') ? endpoint.substring(1) : endpoint;
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// 打印查询信息
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logPostgrestQuery(apiEndpoint, queryParams);
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// 提取并移除自定义头部参数
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const headers: Record<string, string> = params?.headers || {};
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// 清除查询参数中的headers属性,避免将其作为URL参数
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if (queryParams.headers) {
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delete queryParams.headers;
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}
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const response = await apiRequest<T>(
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apiEndpoint,
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{
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method: 'GET',
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headers: headers
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},
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queryParams
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);
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if (response.error) {
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throw new Error(response.error);
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}
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// 返回数据和响应头
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return {
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data: response.data as T,
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headers: response.headers // 假设apiRequest函数已返回响应头
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};
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} catch (error) {
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const apiError = handleApiError(error);
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return { error: apiError.message, status: apiError.status };
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}
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}
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/**
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* 发送 POST 请求到 PostgresREST 接口
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* @param endpoint 端点
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* @param data 请求体数据
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* @returns 响应数据
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*/
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export async function postgrestPost<T, D = Record<string, unknown>>(endpoint: string, data: D): Promise<{data: T; error?: never} | {data?: never; error: string; status?: number}> {
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try {
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// 确保端点没有前导斜杠
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const apiEndpoint = endpoint.startsWith('/') ? endpoint.substring(1) : endpoint;
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// 打印查询信息(POST请求只打印端点)
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logPostgrestQuery(apiEndpoint);
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const response = await apiRequest<T>(
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apiEndpoint,
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{
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method: 'POST',
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body: JSON.stringify(data),
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headers: {
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'Prefer': 'return=representation'
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}
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}
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);
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if (response.error) {
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throw new Error(response.error);
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}
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return { data: response.data as T };
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} catch (error) {
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const apiError = handleApiError(error);
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return { error: apiError.message, status: apiError.status };
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}
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}
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/**
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* 发送 PUT 请求到 PostgresREST 接口
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* @param endpoint 端点
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* @param data 请求体数据
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* @returns 响应数据
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*/
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export async function postgrestPut<T, D = Record<string, unknown>>(endpoint: string, data: D): Promise<{data: T; error?: never} | {data?: never; error: string; status?: number}> {
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try {
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// 确保端点没有前导斜杠
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const apiEndpoint = endpoint.startsWith('/') ? endpoint.substring(1) : endpoint;
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// 打印查询信息(PUT请求只打印端点)
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logPostgrestQuery(apiEndpoint);
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const response = await apiRequest<T>(
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apiEndpoint,
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{
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method: 'PATCH',
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body: JSON.stringify(data),
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headers: {
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'Prefer': 'return=representation'
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}
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}
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);
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if (response.error) {
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throw new Error(response.error);
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}
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return { data: response.data as T };
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} catch (error) {
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const apiError = handleApiError(error);
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return { error: apiError.message, status: apiError.status };
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}
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}
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/**
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* 发送 DELETE 请求到 PostgresREST 接口
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* @param endpoint 端点
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* @returns 响应数据
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*/
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export async function postgrestDelete<T>(endpoint: string): Promise<{data: T; error?: never} | {data?: never; error: string; status?: number}> {
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try {
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// 确保端点没有前导斜杠
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const apiEndpoint = endpoint.startsWith('/') ? endpoint.substring(1) : endpoint;
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// 打印查询信息(DELETE请求只打印端点)
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logPostgrestQuery(apiEndpoint);
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const response = await apiRequest<T>(
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apiEndpoint,
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{
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method: 'DELETE',
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headers: {
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'Prefer': 'return=representation'
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}
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}
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);
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if (response.error) {
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throw new Error(response.error);
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}
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return { data: response.data as T };
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} catch (error) {
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const apiError = handleApiError(error);
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return { error: apiError.message, status: apiError.status };
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}
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} |