2026-06-12 15:50:01 +08:00
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package handler
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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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"github.com/gin-gonic/gin"
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"github.com/luxsin/app-api/internal/cache"
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"github.com/luxsin/app-api/pkg/encode"
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"go.uber.org/zap"
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)
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type ShareCodeHandler struct {
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cache *cache.ShareCodeCache
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log *zap.Logger
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maxPerMac int
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2026-06-12 15:50:01 +08:00
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}
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2026-06-12 18:29:08 +08:00
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func NewShareCodeHandler(shareCache *cache.ShareCodeCache, log *zap.Logger, maxPerMac int) *ShareCodeHandler {
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return &ShareCodeHandler{cache: shareCache, log: log, maxPerMac: maxPerMac}
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2026-06-12 15:50:01 +08:00
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}
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// ExportShareCode 导出分享码
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//
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// @Summary 创建 EQ 分享码
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// @Description 将用户的 EQ 数据生成一个 5 位分享码,有效期 30 分钟
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// @Tags ShareCode
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// @Accept json
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// @Produce json
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// @Param body body object{mac=string,eq_data=object} true "分享请求"
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// @Success 200 {object} map[string]any "成功返回 share_code、expire_at、eq_data"
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// @Failure 400 {object} map[string]any "参数校验失败"
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// @Failure 500 {object} map[string]any "系统错误"
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// @Router /audio/shareCreate [post]
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//
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// POST /audio/shareCreate
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// Body: {"mac": "xx", "eq_data": {...}}
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func (h *ShareCodeHandler) ExportShareCode(c *gin.Context) {
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var req struct {
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Mac string `json:"mac"`
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EqData json.RawMessage `json:"eq_data"`
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}
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusOK, gin.H{
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"code": 400,
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"msg": "参数校验失败",
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})
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return
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}
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mac := strings.TrimSpace(req.Mac)
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eqDataRaw := strings.TrimSpace(string(req.EqData))
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clientIP := encode.ClientPublicIP(c)
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if mac == "" || eqDataRaw == "" {
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c.JSON(http.StatusOK, gin.H{
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"code": 400,
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"msg": "参数校验失败",
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})
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return
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}
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if !json.Valid([]byte(eqDataRaw)) {
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c.JSON(http.StatusOK, gin.H{
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"code": 400,
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"msg": "eq_data 格式错误",
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})
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return
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}
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ctx := c.Request.Context()
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// 限制同一 MAC 在有效期内的分享码数量
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existing, err := h.cache.ListByMac(ctx, mac)
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if err != nil {
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h.log.Error("check existing share codes by mac failed", zap.String("mac", mac), zap.Error(err))
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c.JSON(http.StatusOK, gin.H{
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"code": 500,
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"msg": "系统错误",
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})
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return
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}
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if len(existing) >= h.maxPerMac {
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c.JSON(http.StatusOK, gin.H{
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"code": 0,
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"msg": "已有未过期的分享码,请稍后再试",
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})
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return
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}
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data, err := h.cache.Create(ctx, mac, clientIP, []byte(eqDataRaw))
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if err != nil {
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h.log.Error("create share code failed", zap.Error(err))
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c.JSON(http.StatusOK, gin.H{
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"code": 500,
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"msg": "系统错误",
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})
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return
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}
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var eqData any
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if err := json.Unmarshal([]byte(data.EqData), &eqData); err != nil {
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eqData = data.EqData
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}
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c.JSON(http.StatusOK, gin.H{
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"code": 200,
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"msg": "操作成功",
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"share_code": data.ShareCode,
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"expire_at": data.ExpireAt.Format("2006-01-02 15:04:05"),
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"eq_data": eqData,
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})
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}
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2026-06-12 17:07:59 +08:00
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// ListShareCodesByMac 查询某 MAC 尚未过期的分享码
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//
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// @Summary 查询未过期分享码
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// @Description 根据设备 MAC 地址查询该设备尚未过期的所有分享码(仅查询 Redis,依赖 TTL 自动过期)
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// @Tags ShareCode
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// @Produce json
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// @Param mac query string true "设备 MAC 地址"
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// @Success 200 {object} map[string]any "成功返回 share_codes 列表"
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// @Failure 400 {object} map[string]any "参数校验失败"
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// @Failure 500 {object} map[string]any "系统错误"
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// @Router /audio/shareList [get]
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func (h *ShareCodeHandler) ListShareCodesByMac(c *gin.Context) {
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mac := strings.TrimSpace(c.Query("mac"))
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if mac == "" {
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c.JSON(http.StatusOK, gin.H{"code": 400, "msg": "参数校验失败"})
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return
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}
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ctx := c.Request.Context()
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items, err := h.cache.ListByMac(ctx, mac)
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if err != nil {
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h.log.Error("list share codes by mac failed", zap.String("mac", mac), zap.Error(err))
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c.JSON(http.StatusOK, gin.H{"code": 500, "msg": "系统错误"})
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return
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}
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type shareItem struct {
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ShareCode string `json:"share_code"`
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ExpireAt string `json:"expire_at"`
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EqData any `json:"eq_data"`
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}
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list := make([]shareItem, 0, len(items))
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for _, item := range items {
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var eqData any
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if err := json.Unmarshal([]byte(item.EqData), &eqData); err != nil {
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eqData = item.EqData
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}
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list = append(list, shareItem{
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ShareCode: item.ShareCode,
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ExpireAt: item.ExpireAt.Format("2006-01-02 15:04:05"),
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EqData: eqData,
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})
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}
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c.JSON(http.StatusOK, gin.H{
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"code": 200,
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"msg": "操作成功",
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"share_codes": list,
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})
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}
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// QueryShareCode 查询分享码(预览,不记录导入)
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//
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// @Summary 查询 EQ 分享码
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// @Description 根据分享码预览 EQ 数据,不写入导入流水
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// @Tags ShareCode
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// @Produce json
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// @Param shareCode query string true "5 位分享码"
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// @Success 200 {object} map[string]any "成功返回 eq_data、expire_at"
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// @Failure 400 {object} map[string]any "参数校验失败"
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// @Failure 500 {object} map[string]any "系统错误"
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// @Router /audio/shareQuery [get]
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//
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// GET /audio/shareQuery?shareCode=ABC12
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func (h *ShareCodeHandler) QueryShareCode(c *gin.Context) {
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shareCode := strings.TrimSpace(c.Query("shareCode"))
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data, ok := h.lookupShareCode(c, shareCode)
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if !ok {
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return
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}
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var eqData any
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if err := json.Unmarshal([]byte(data.EqData), &eqData); err != nil {
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eqData = data.EqData
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}
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c.JSON(http.StatusOK, gin.H{
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"code": 200,
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"msg": "操作成功",
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"eq_data": eqData,
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"expire_at": data.ExpireAt.Format("2006-01-02 15:04:05"),
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})
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}
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2026-06-12 15:50:01 +08:00
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// ImportShareCode 导入分享码
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//
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// @Summary 导入 EQ 分享码
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// @Description 根据分享码获取他人分享的 EQ 数据
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// @Tags ShareCode
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// @Produce json
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// @Param mac query string true "设备 MAC 地址"
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// @Param shareCode query string true "5 位分享码"
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// @Success 200 {object} map[string]any "成功返回 eq_data"
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// @Failure 400 {object} map[string]any "参数校验失败"
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// @Failure 500 {object} map[string]any "系统错误"
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// @Router /audio/shareAccept [get]
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//
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// GET /audio/shareAccept?mac=xx&shareCode=ABC12
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func (h *ShareCodeHandler) ImportShareCode(c *gin.Context) {
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mac := strings.TrimSpace(c.Query("mac"))
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shareCode := strings.TrimSpace(c.Query("shareCode"))
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clientIP := encode.ClientPublicIP(c)
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if mac == "" || shareCode == "" {
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c.JSON(http.StatusOK, gin.H{
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"code": 400,
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"msg": "参数校验失败",
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})
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return
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}
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2026-06-15 17:58:14 +08:00
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data, ok := h.lookupShareCode(c, shareCode)
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if !ok {
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return
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}
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2026-06-15 17:58:14 +08:00
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ctx := c.Request.Context()
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if err := h.cache.EnqueueImportLog(ctx, mac, shareCode, clientIP, data.EqData, data.ExpireAt); err != nil {
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h.log.Error("enqueue share import log failed",
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zap.String("share_code", shareCode),
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zap.Error(err),
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)
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c.JSON(http.StatusOK, gin.H{
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"code": 500,
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"msg": "系统错误",
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})
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return
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}
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var eqData any
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if err := json.Unmarshal([]byte(data.EqData), &eqData); err != nil {
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eqData = data.EqData
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}
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c.JSON(http.StatusOK, gin.H{
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"code": 200,
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"msg": "操作成功",
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"eq_data": eqData,
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})
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}
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func (h *ShareCodeHandler) lookupShareCode(c *gin.Context, shareCode string) (*cache.ShareCodeData, bool) {
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if shareCode == "" {
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c.JSON(http.StatusOK, gin.H{
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"code": 400,
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"msg": "参数校验失败",
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})
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return nil, false
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}
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if len(shareCode) != 5 {
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c.JSON(http.StatusOK, gin.H{
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"code": 0,
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"msg": "分享码无效或已过期",
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})
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return nil, false
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}
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ctx := c.Request.Context()
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data, err := h.cache.Get(ctx, shareCode)
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if err != nil {
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h.log.Error("get share code failed", zap.String("share_code", shareCode), zap.Error(err))
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c.JSON(http.StatusOK, gin.H{
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"code": 500,
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"msg": "系统错误",
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})
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return nil, false
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}
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if data == nil {
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c.JSON(http.StatusOK, gin.H{
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"code": 0,
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"msg": "分享码无效或已过期",
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})
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return nil, false
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}
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return data, true
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}
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