159 lines
7.6 KiB
Go
159 lines
7.6 KiB
Go
package httpapi
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import (
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"encoding/json"
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"net/http"
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"strings"
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"time"
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"unicode"
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)
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const (
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reasonMalformedRequest = "MALFORMED_REQUEST"
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reasonMethodNotAllowed = "METHOD_NOT_ALLOWED"
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reasonForbidden = "FORBIDDEN"
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reasonInternal = "INTERNAL"
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)
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type apiError struct {
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Code int `json:"code"`
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Reason string `json:"reason"`
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Message string `json:"message"`
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Details map[string]any `json:"details,omitempty"`
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RequestID string `json:"request_id,omitempty"`
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ServerTime string `json:"server_time"`
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}
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var apiErrorMessages = map[string]string{
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"MALFORMED_REQUEST": "请求参数格式错误",
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"METHOD_NOT_ALLOWED": "当前请求方式不支持",
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"AUTH_REQUIRED": "登录已失效，请重新登录",
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"FORBIDDEN": "当前账户无权执行此操作",
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"INTERNAL": "服务异常，请稍后重试",
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"SERVICE_UNAVAILABLE": "服务暂不可用，请稍后重试",
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"USERNAME_INVALID_FORMAT": "用户名格式不正确",
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"PHONE_INVALID_FORMAT": "手机号码格式不正确",
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"PASSWORD_INVALID_FORMAT": "密码格式不正确",
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"REFERRAL_CODE_INVALID": "邀请码无效，请检查后重新输入",
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"PRIVACY_POLICY_NOT_ACCEPTED": "请先阅读并同意用户协议和隐私政策",
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"ACCOUNT_ALREADY_REGISTERED": "该账户或手机号已经注册",
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"INVALID_CREDENTIALS": "手机号或密码错误",
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"RATE_LIMITED": "操作过于频繁，请稍后再试",
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"AVATAR_ATTACHMENT_INVALID": "头像图片无效，请重新上传",
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"CURRENT_PASSWORD_INVALID": "当前登录密码不正确",
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"LOGIN_PASSWORD_INVALID": "登录密码不正确",
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"NEW_PASSWORD_INVALID": "新密码格式不正确",
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"OLD_TRADE_PASSWORD_REQUIRED": "请输入原支付密码",
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"OLD_TRADE_PASSWORD_INVALID": "原支付密码不正确",
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"TRADE_PASSWORD_INVALID": "支付密码不正确",
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"TRADE_PASSWORD_NOT_SET": "请先设置支付密码",
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"ACCOUNT_NOT_FOUND": "账户不存在",
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"ACCOUNT_CHANGED": "账户信息已发生变化，请重试",
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"CATEGORY_ID_INVALID": "商品分类参数不正确",
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"PRODUCT_ID_INVALID": "商品参数不正确",
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"PRODUCT_NOT_FOUND": "商品不存在或已下架",
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"PAGE_INVALID": "页码参数不正确",
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"PAGE_SIZE_INVALID": "每页数量参数不正确",
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"IMAGE_INVALID": "图片格式或大小不符合要求",
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"HALL_ID_INVALID": "任务大厅参数不正确",
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"ORDER_ID_INVALID": "订单参数不正确",
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"ORDER_STATUS_INVALID": "订单状态参数不正确",
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"EVIDENCE_INVALID": "任务凭证不符合要求",
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"TASK_DISABLED": "领取功能暂未开放",
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"OUTSIDE_BUSINESS_HOURS": "当前不在营业时间内",
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"INSUFFICIENT_BALANCE": "可用余额不足",
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"DAILY_LIMIT_REACHED": "今日领取次数已用完",
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"LEVEL_NOT_ELIGIBLE": "当前会员等级不满足领取条件",
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"ACCOUNT_RESTRICTED": "账户状态受限，请联系客服",
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"PENDING_ORDER_EXISTS": "存在未完成的任务，请先处理",
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"NO_TASK_AVAILABLE": "当前暂无可领取任务",
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"ORDER_NOT_FOUND": "任务订单不存在",
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"ORDER_STATE_INVALID": "当前任务状态不允许此操作",
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"ORDER_EXPIRED": "该任务已超时",
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"RESOURCE_NOT_FOUND": "请求的内容不存在",
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"CUSTOMER_SERVICE_NOT_FOUND": "客服已下线或不存在",
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"CUSTOMER_SERVICE_NOT_BOUND": "客服账号尚未配置",
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"IM_RELATION_PENDING": "好友申请已发送，请等待客服确认",
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"IM_RELATION_NOT_ALLOWED": "当前无法与该客服建立会话",
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"IM_SERVICE_UNAVAILABLE": "客服系统暂不可用，请稍后重试",
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"ACCOUNT_TYPE_INVALID": "收款账户类型不正确",
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"PAYMENT_ACCOUNT_FIELDS_INVALID": "收款账户信息填写不完整或格式不正确",
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"CURRENCY_INVALID": "币种参数不正确",
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"WITHDRAWAL_AMOUNT_INVALID": "取出金额不符合当前规则",
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"RECHARGE_AMOUNT_INVALID": "储入金额不符合当前规则",
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"RECHARGE_REMARK_INVALID": "储入备注格式不正确",
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"RECHARGE_VOUCHER_INVALID": "储入凭证无效，请重新上传",
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"IDEMPOTENCY_KEY_INVALID": "请求标识无效，请刷新后重试",
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"LEDGER_FILTER_INVALID": "账变记录筛选条件不正确",
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"WITHDRAWAL_STATUS_INVALID": "取出状态参数不正确",
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"RECHARGE_STATUS_INVALID": "储入状态参数不正确",
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"RECHARGE_ORDER_ID_INVALID": "储入订单参数不正确",
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"WITHDRAWAL_ORDER_ID_INVALID": "取出订单参数不正确",
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"PAYMENT_ACCOUNT_EXISTS": "该收款账户已经存在",
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"PAYMENT_ACCOUNT_INVALID": "收款账户未核验或不可用",
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"WITHDRAWAL_DISABLED": "取出功能暂未开放",
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"WITHDRAWAL_CHANNEL_UNAVAILABLE": "当前没有可用的取出通道",
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"RECHARGE_CHANNEL_UNAVAILABLE": "当前没有可用的储入通道",
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"WITHDRAWAL_DAILY_LIMIT_REACHED": "今日取出次数已用完",
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"WITHDRAWAL_ORDER_NOT_FOUND": "取出订单不存在",
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"RECHARGE_ORDER_NOT_FOUND": "储入订单不存在",
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"IDEMPOTENCY_CONFLICT": "请勿重复提交不同的请求",
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"QR_ATTACHMENT_INVALID": "二维码图片无效，请重新上传",
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"BANNER_POSITION_INVALID": "轮播图位置参数不正确",
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"CONTENT_KEY_INVALID": "内容页面参数不正确",
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}
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func writeSuccess(w http.ResponseWriter, r *http.Request, data any) {
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writeJSON(w, r, http.StatusOK, map[string]any{
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"code": 0, "data": data, "request_id": requestID(r),
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"server_time": time.Now().UTC().Format(time.RFC3339Nano),
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})
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}
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func writeError(w http.ResponseWriter, r *http.Request, status, code int, reason, message string, details map[string]any) {
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writeJSON(w, r, status, apiError{Code: code, Reason: reason, Message: localizedAPIErrorMessage(reason, message), Details: details,
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RequestID: requestID(r), ServerTime: time.Now().UTC().Format(time.RFC3339Nano)})
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}
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func localizedAPIErrorMessage(reason, message string) string {
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if localized := apiErrorMessages[reason]; localized != "" {
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return localized
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}
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if strings.IndexFunc(message, func(r rune) bool { return unicode.Is(unicode.Han, r) }) >= 0 {
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return message
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}
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return "请求失败，请稍后重试"
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}
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func writeJSON(w http.ResponseWriter, r *http.Request, status int, value any) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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if requestID := requestID(r); requestID != "" {
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w.Header().Set("X-Request-ID", requestID)
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}
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w.WriteHeader(status)
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_ = json.NewEncoder(w).Encode(value)
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}
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func requestID(r *http.Request) string {
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return r.Header.Get("X-Request-ID")
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}
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func decodeBody(w http.ResponseWriter, r *http.Request, dst any) bool {
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defer r.Body.Close()
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decoder := json.NewDecoder(r.Body)
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decoder.DisallowUnknownFields()
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if err := decoder.Decode(dst); err != nil {
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writeError(w, r, http.StatusBadRequest, 30000, reasonMalformedRequest, "malformed request", nil)
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return false
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}
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return true
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}
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func methodNotAllowed(w http.ResponseWriter, r *http.Request, allowed ...string) {
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if len(allowed) == 0 {
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allowed = []string{http.MethodPost}
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}
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w.Header().Set("Allow", strings.Join(allowed, ", "))
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writeError(w, r, http.StatusMethodNotAllowed, 30005, reasonMethodNotAllowed, "method not allowed", nil)
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}
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