weijuesen
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package handler
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import (
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"fmt"
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"net/http"
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"strconv"
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"silk-server-go/internal/middleware"
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"silk-server-go/internal/model"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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)
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// RegisterAlarmClipRoutes 注册告警视频片段路由
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func RegisterAlarmClipRoutes(rg *gin.RouterGroup, db *gorm.DB) {
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rg.GET("/alarms/:id/clip", middleware.RequirePermission(db, "alarm:read"), getAlarmClip(db))
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}
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// getAlarmClip 获取告警关联视频片段（查 video_clips 表 where alarm_id=:id，按 start_at DESC）
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func getAlarmClip(db *gorm.DB) gin.HandlerFunc {
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return func(c *gin.Context) {
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userID := currentUserID(c)
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if userID == nil {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "未提供用户信息"})
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return
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}
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id := c.Param("id")
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if !requireObjectAccess(c, db, "alarm", id) {
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return
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}
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// 先检查告警是否存在
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var alarm model.Alarm
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if db.Where("id = ?", id).First(&alarm).Error != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "alarm not found"})
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return
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}
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var clips []model.VideoClip
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db.Where("alarm_id = ?", id).Order("start_at DESC").Find(&clips)
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// 为每个片段设置 playbackUrl
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for i := range clips {
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token, err := IssueVideoToken(*userID, "clip", strconv.FormatUint(uint64(clips[i].ID), 10), videoTokenTTL)
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if err != nil {
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continue
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}
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url := fmt.Sprintf("/api/v1/video/clips/%d/stream?videoToken=%s", clips[i].ID, token)
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clips[i].PlaybackURL = &url
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}
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c.JSON(http.StatusOK, clips)
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}
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}
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