commit 218e00c17f9fbafe56fdfbdbb00858737bf8f078
Author: lijun <2021141461138@stu.scu.edu.cn>
Date: Sat May 18 17:12:24 2024 +0800
go语言实现视频播放及查询，实现登陆及视频列表获取返回视频功能
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..7b4a30d
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+
+
+
+
+
+
\ No newline at end of file
diff --git a/.idea/videoplayer.iml b/.idea/videoplayer.iml
new file mode 100644
index 0000000..5e764c4
--- /dev/null
+++ b/.idea/videoplayer.iml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/dao/db.go b/dao/db.go
new file mode 100644
index 0000000..23831b9
--- /dev/null
+++ b/dao/db.go
@@ -0,0 +1,18 @@
+package dao
+
+import (
+ "gorm.io/driver/mysql"
+ "gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func Init() {
+ dsn := "video:dLPmjweadG625DtH@tcp(114.115.206.93:3306)/video?charset=utf8mb4&parseTime=True&loc=Local"
+
+ db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+ if err != nil {
+ panic("failed to connect database")
+ }
+ DB = db
+}
diff --git a/dao/user.go b/dao/user.go
new file mode 100644
index 0000000..5f8cda9
--- /dev/null
+++ b/dao/user.go
@@ -0,0 +1,45 @@
+package dao
+
+type User struct {
+ ID int `gorm:"primaryKey column:id"`
+ Name string `gorm:"column:name"`
+ Age int `gorm:"column:age"`
+ Email string `gorm:"column:email"`
+ Password string `gorm:"column:password"`
+ Gender string `gorm:"column:gender"`
+ CreateTime string `gorm:"column:create_time"`
+ UpdateTime string `gorm:"column:update_time"`
+}
+
+func CreateUser(name string, password, email string) int {
+ user := User{Name: name, Email: email, Password: password}
+ DB.Create(&user)
+ return user.ID
+}
+
+func DeleteUserByID(id int) int {
+ DB.Delete(&User{}, id)
+ return id
+}
+
+func FindUserByID(id int) User {
+ var user User
+ DB.Debug().First(&user, id)
+ return user
+}
+
+func FindUserByName(name string) User {
+ var user User
+ DB.Debug().Where("name = ?", name).First(&user)
+ return user
+}
+
+func FindUserByEmail(email string) User {
+ var user User
+ DB.Debug().Where("email = ?", email).First(&user)
+ return user
+}
+
+func UpdateUserByID(id int, name, password, email string) {
+ DB.Model(&User{}).Where("id = ?", id).Updates(User{Name: name, Password: password, Email: email})
+}
diff --git a/dao/video.go b/dao/video.go
new file mode 100644
index 0000000..c7e937c
--- /dev/null
+++ b/dao/video.go
@@ -0,0 +1,47 @@
+package dao
+
+import "time"
+
+type Video struct {
+ ID int `gorm:"primaryKey column:id"`
+ CameraID int `gorm:"column:camera_id"`
+ VideoPath string `gorm:"column:video_path"`
+ VideoName string `gorm:"column:video_name"`
+ AuthId int `gorm:"column:auth_id"`
+ Human int `gorm:"column:human"`
+ IsDelete int `gorm:"column:is_delete"`
+ CreateTime string `gorm:"column:create_time"`
+ EndTime string `gorm:"column:end_time"`
+ DeleteTime string `gorm:"column:delete_time"`
+ FileSize int `gorm:"column:file_size"`
+}
+
+func CreateVideo(videoPath, videoName string, authID, human, isDelete int, createTime, endTime string, fileSize int) int {
+ video := Video{VideoPath: videoPath, VideoName: videoName, AuthId: authID, Human: human, IsDelete: isDelete, CreateTime: createTime, EndTime: endTime, FileSize: fileSize}
+ DB.Create(&video)
+ return video.ID
+}
+
+func DeleteVideoByID(id int) int {
+ delete_time := time.Now().Format("2006-01-02 15:04:05")
+ DB.Updates(&Video{IsDelete: 1, DeleteTime: delete_time}).Where("id = ?", id)
+ return id
+}
+
+func FindVideoByID(id, auth_id int) Video {
+ var video Video
+ DB.Debug().Where("id = ? and auth_id = ?", id, auth_id).First(&video)
+ return video
+}
+
+func FindVideoListsByAuthID(auth_id int) []Video {
+ var videos []Video
+ DB.Debug().Where("auth_id = ?", auth_id).Where("is_delete=0").Find(&videos).Limit(30)
+ return videos
+}
+
+func FindVideoListByTime(auth_id int, startTime, endTime string) []Video {
+ var videos []Video
+ DB.Debug().Where("auth_id = ?", auth_id).Where("is_delete=0").Where("create_time > ? and create_time < ?", startTime, endTime).Find(&videos)
+ return videos
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..2533223
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,45 @@
+module videoplayer
+
+go 1.21
+
+require (
+ github.com/gin-gonic/gin v1.10.0
+ github.com/go-redis/redis/v8 v8.11.5
+ github.com/golang-jwt/jwt v3.2.2+incompatible
+ gorm.io/driver/mysql v1.5.6
+ gorm.io/gorm v1.25.7
+)
+
+require (
+ github.com/bytedance/sonic v1.11.6 // indirect
+ github.com/bytedance/sonic/loader v0.1.1 // indirect
+ github.com/cespare/xxhash/v2 v2.1.2 // indirect
+ github.com/cloudwego/base64x v0.1.4 // indirect
+ github.com/cloudwego/iasm v0.2.0 // indirect
+ github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+ github.com/gabriel-vasile/mimetype v1.4.3 // indirect
+ github.com/gin-contrib/sse v0.1.0 // indirect
+ github.com/go-playground/locales v0.14.1 // indirect
+ github.com/go-playground/universal-translator v0.18.1 // indirect
+ github.com/go-playground/validator/v10 v10.20.0 // indirect
+ github.com/go-sql-driver/mysql v1.7.0 // indirect
+ github.com/goccy/go-json v0.10.2 // indirect
+ github.com/jinzhu/inflection v1.0.0 // indirect
+ github.com/jinzhu/now v1.1.5 // indirect
+ github.com/json-iterator/go v1.1.12 // indirect
+ github.com/klauspost/cpuid/v2 v2.2.7 // indirect
+ github.com/leodido/go-urn v1.4.0 // indirect
+ github.com/mattn/go-isatty v0.0.20 // indirect
+ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+ github.com/modern-go/reflect2 v1.0.2 // indirect
+ github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+ github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+ github.com/ugorji/go/codec v1.2.12 // indirect
+ golang.org/x/arch v0.8.0 // indirect
+ golang.org/x/crypto v0.23.0 // indirect
+ golang.org/x/net v0.25.0 // indirect
+ golang.org/x/sys v0.20.0 // indirect
+ golang.org/x/text v0.15.0 // indirect
+ google.golang.org/protobuf v1.34.1 // indirect
+ gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..733ac37
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,119 @@
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+golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
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+golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
+golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI=
+golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
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+golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
+golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
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+gorm.io/gorm v1.25.7/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
+nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=
+rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
diff --git a/handler/device.go b/handler/device.go
new file mode 100644
index 0000000..abeebd1
--- /dev/null
+++ b/handler/device.go
@@ -0,0 +1 @@
+package handler
diff --git a/handler/user.go b/handler/user.go
new file mode 100644
index 0000000..a56b7a9
--- /dev/null
+++ b/handler/user.go
@@ -0,0 +1,77 @@
+package handler
+
+import (
+ "fmt"
+ "github.com/gin-gonic/gin"
+ "github.com/golang-jwt/jwt"
+ "time"
+ "videoplayer/service"
+ "videoplayer/worker"
+)
+
+var signingKey = []byte("my_secret_key")
+
+func SetUpUserGroup(router *gin.Engine) {
+ userGroup := router.Group("/user")
+ userGroup.POST("/register", registerHandler)
+ userGroup.POST("/login", loginHandler)
+}
+
+type RLReq struct {
+ User string `json:"user"`
+ Email string `json:"email"`
+ Password string `json:"password"`
+}
+
+func loginHandler(c *gin.Context) {
+ var req_data RLReq
+ tokenString := ""
+ if err := c.ShouldBindJSON(&req_data); err == nil {
+ user := service.GetUser(req_data.User, req_data.Password)
+ if user.ID != 0 {
+ // 生成 JWT 令牌
+ token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+ "username": user.Name,
+ "id": user.ID,
+ "exp": time.Now().Add(time.Minute * 10).Unix(), // 令牌过期时间, 1分钟后过期
+ })
+ tokenString, err = token.SignedString(signingKey)
+ if err != nil {
+ c.JSON(400, gin.H{"error": err.Error(), "code": 1, "message": "error"})
+ return
+ }
+ worker.SetRedisWithExpire(req_data.User, tokenString, 600) // 设置过期时间为10分钟
+ // 返回令牌
+ c.JSON(200, gin.H{"token": tokenString, "username": req_data.User, "code": 0, "message": "success"})
+ } else {
+ c.JSON(400, gin.H{"error": "user not found", "code": 1, "message": "error"})
+ }
+ } else {
+ c.JSON(400, gin.H{"error": err.Error(), "code": 1, "message": "error"})
+ }
+
+}
+
+func registerHandler(c *gin.Context) {
+ var req_data RLReq
+ tokenString := ""
+ if err := c.ShouldBindJSON(&req_data); err == nil {
+ id := service.CreateUser(req_data.User, req_data.Password, req_data.Email)
+ // 生成 JWT 令牌
+ token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+ "username": req_data.User,
+ "id": id,
+ "exp": time.Now().Add(time.Minute * 10).Unix(), // 令牌过期时间, 1分钟后过期
+ })
+ tokenString, err = token.SignedString(signingKey)
+ if err != nil {
+ c.JSON(400, gin.H{"error": err.Error()})
+ }
+ } else {
+ c.JSON(400, gin.H{"error": err.Error()})
+ }
+ fmt.Println(req_data)
+ worker.SetRedisWithExpire(req_data.User, tokenString, 600) // 设置过期时间为10分钟
+ // 返回令牌
+ c.JSON(200, gin.H{"token": tokenString, "username": req_data.User})
+}
diff --git a/handler/video.go b/handler/video.go
new file mode 100644
index 0000000..7568b3e
--- /dev/null
+++ b/handler/video.go
@@ -0,0 +1,90 @@
+package handler
+
+import (
+ "github.com/gin-gonic/gin"
+ "net/http"
+ "os"
+ "time"
+ "videoplayer/service"
+)
+
+type gvlReq struct {
+ StartTime string `json:"begin"`
+ EndTime string `json:"end"`
+ IP string `json:"ip"`
+ Token string `json:"token"`
+}
+type videoReq struct {
+ CameraID int `json:"camera_id"`
+ VideoPath string `json:"video_path"`
+ VideoName string `json:"video_name"`
+ AuthId int `json:"auth_id"`
+ Human int `json:"human"`
+ IsDelete int `json:"is_delete"`
+ CreateTime string `json:"create_time"`
+ EndTime string `json:"end_time"`
+ DeleteTime string `json:"delete_time"`
+ FileSize int `json:"file_size"`
+}
+
+type videoPReq struct {
+ ID int `json:"id"`
+ Token string `json:"token"`
+ AuthId string `json:"userId"`
+ IP string `json:"ip"`
+}
+
+func SetUpVideoGroup(router *gin.Engine) {
+ videoGroup := router.Group("/video")
+ videoGroup.POST("/get_video_list", GetVideoList)
+ videoGroup.POST("/create", CreateVideo)
+ videoGroup.GET("/mp4", GetVideo)
+}
+
+func GetVideo(c *gin.Context) {
+ var vp_req videoPReq
+ if err := c.ShouldBindQuery(&vp_req); err == nil {
+ video := service.GetVideo(vp_req.ID, c.GetInt("id"))
+ name := video.VideoName
+ path := video.VideoPath
+ if video.IsDelete == 0 {
+ // 打开文件
+ file, err := os.Open(path + name)
+ if err != nil {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ return
+ }
+ defer file.Close()
+ // 设置响应头
+ c.Header("Content-Type", "video/mp4")
+
+ // 开始传输文件
+ http.ServeContent(c.Writer, c.Request, name, time.Now(), file) // 传输文件, 传输文件的内容类型, 文件名, 文件最后修改时间, 文件
+
+ // 返回文件
+ c.JSON(http.StatusOK, gin.H{"message": "success", "code": 200})
+ } else {
+ c.JSON(http.StatusBadRequest, gin.H{"error": "video is deleted"})
+ }
+ } else {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+ }
+}
+func CreateVideo(c *gin.Context) {
+ var video_req videoReq
+ if err := c.ShouldBindJSON(&video_req); err == nil {
+
+ } else {
+
+ }
+}
+
+func GetVideoList(c *gin.Context) {
+ var gvl_req gvlReq
+ if err := c.ShouldBindJSON(&gvl_req); err == nil {
+ videos := service.GetVideoList(c.GetInt("id"))
+ c.JSON(http.StatusOK, gin.H{"videos": videos, "code": 0, "message": "success"})
+ } else {
+ c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "code": 1, "message": "failed"})
+ }
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..76d4c69
--- /dev/null
+++ b/main.go
@@ -0,0 +1,72 @@
+package main
+
+import (
+ "github.com/gin-gonic/gin"
+ "github.com/golang-jwt/jwt"
+ "videoplayer/dao"
+ "videoplayer/handler"
+ "videoplayer/worker"
+)
+
+var signingKey = []byte("my_secret_key")
+
+func main() {
+
+ r := gin.Default()
+ r.Use(JWTAuthMiddleware()) // 使用 JWT 认证中间件
+ handler.SetUpVideoGroup(r)
+ handler.SetUpUserGroup(r)
+ dao.Init()
+ worker.InitRedis()
+ r.Run("8082") // listen and serve on 0.0.0.0:8082
+}
+
+func JWTAuthMiddleware() gin.HandlerFunc {
+ return func(c *gin.Context) {
+ // 从请求头中获取 JWT 令牌
+ tokenString := c.Request.Header.Get("Authorization")
+
+ //请求方式为get时，从url中获取token
+ if tokenString == "" {
+ tokenString = c.Query("token")
+ }
+
+ //如果请求为login或register，则不需要验证token
+ if c.Request.URL.Path == "/login" || c.Request.URL.Path == "/register" {
+ c.Next()
+ return
+ }
+ if tokenString == "" {
+ c.AbortWithStatus(401)
+ c.JSON(401, gin.H{
+ "message": "Unauthorized",
+ "error": "token is empty",
+ "code": "3",
+ })
+ return
+ }
+
+ // 解析 JWT 令牌
+ token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+ return signingKey, nil
+ })
+
+ // 验证令牌
+ if err != nil || !token.Valid {
+ c.AbortWithStatus(401)
+ c.JSON(401, gin.H{
+ "message": "Unauthorized",
+ "error": "Invalid token",
+ "code": "4",
+ })
+ return
+ }
+
+ // 将用户信息添加到上下文中
+ c.Set("id", token.Claims.(jwt.MapClaims)["id"])
+ c.Set("username", token.Claims.(jwt.MapClaims)["username"])
+
+ // 继续处理请求
+ c.Next()
+ }
+}
diff --git a/service/userService.go b/service/userService.go
new file mode 100644
index 0000000..d5e5d1e
--- /dev/null
+++ b/service/userService.go
@@ -0,0 +1,25 @@
+package service
+
+import (
+ "regexp"
+ "videoplayer/dao"
+)
+
+func CreateUser(name string, password, email string) int {
+ return dao.CreateUser(name, password, email)
+}
+
+func GetUser(name, password string) dao.User {
+ emailRegex := `^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$`
+ re := regexp.MustCompile(emailRegex)
+ var user dao.User
+ if re.MatchString(name) {
+ user = dao.FindUserByEmail(name)
+ } else {
+ user = dao.FindUserByName(name)
+ }
+ if user.ID != 0 && user.Password == password {
+ return user
+ }
+ return dao.User{}
+}
diff --git a/service/videoService.go b/service/videoService.go
new file mode 100644
index 0000000..52a3c0e
--- /dev/null
+++ b/service/videoService.go
@@ -0,0 +1,11 @@
+package service
+
+import "videoplayer/dao"
+
+func GetVideo(id, auth_id int) dao.Video {
+ return dao.FindVideoByID(id, auth_id)
+}
+
+func GetVideoList(auth_id int) []dao.Video {
+ return dao.FindVideoListsByAuthID(auth_id)
+}
diff --git a/worker/redis.go b/worker/redis.go
new file mode 100644
index 0000000..ca61115
--- /dev/null
+++ b/worker/redis.go
@@ -0,0 +1,141 @@
+package worker
+
+import (
+ "log"
+ "time"
+)
+import (
+ "context"
+ "encoding/json"
+ "github.com/go-redis/redis/v8"
+)
+
+var redisClient *redis.Client // Redis 客户端, 用于连接 Redis 服务器
+func InitRedis() {
+ ctx := context.Background()
+ // 连接redis
+ redisClient = redis.NewClient(&redis.Options{
+ Addr: "localhost:6379", // Redis 服务器地址
+ Password: "", // 如果 Redis 设置了密码
+ DB: 0, // 使用的数据库编号
+ })
+
+ // 验证 Redis 客户端是否可以正常工作
+ _, err := redisClient.Ping(ctx).Result()
+ if err != nil {
+ log.Fatalf("Error connecting to Redis: %v", err)
+ }
+}
+
+func CloseRedis() {
+ // 关闭 Redis 客户端
+ if err := redisClient.Close(); err != nil {
+ log.Fatalf("Error closing Redis client: %v", err)
+ }
+}
+
+func isContainKey(key string) bool {
+ ctx := context.Background()
+ val, err := redisClient.Exists(ctx, key).Result() // 检查键是否存在, 如果存在则返回 1, 否则返回 0
+ if err != nil {
+ log.Fatalf("Error getting key: %v", err)
+ }
+ if val == 0 {
+ return false
+ }
+ return true
+}
+
+// 设置redis
+func SetRedis(key string, value string) {
+ ctx := context.Background()
+ // 设置键值对, 0 表示不设置过期时间, 如果需要设置过期时间, 可以设置为 time.Second * 10 等
+ err := redisClient.Set(ctx, key, value, time.Second*100).Err()
+ if err != nil {
+ log.Fatalf("Error setting key: %v", err)
+ }
+}
+
+// 设置redis
+func SetRedisWithExpire(key string, value string, expire time.Duration) {
+ ctx := context.Background()
+ // 设置键值对, 0 表示不设置过期时间, 如果需要设置过期时间, 可以设置为 time.Second * 10 等
+ err := redisClient.Set(ctx, key, value, expire).Err()
+ if err != nil {
+ log.Fatalf("Error setting key: %v", err)
+ }
+}
+
+// 获取redis
+func GetRedis(key string) string {
+ ctx := context.Background()
+ val, err := redisClient.Get(ctx, key).Result() // 从 Redis 读取键值, 如果键不存在则返回空字符串, 如果出现错误则返回错误
+ if err != nil {
+ log.Fatalf("Error getting key: %v", err)
+ }
+ return val
+}
+
+// pop redis list from left
+func popRedisList(key string) string {
+ ctx := context.Background()
+ val, err := redisClient.LPop(ctx, key).Result() // 从 Redis 读取键值, 如果键不存在则返回空字符串, 如果出现错误则返回错误
+ if err != nil {
+ log.Fatalf("Error reading from Redis: %v", err)
+ }
+ return val
+}
+
+// push redis list from right
+func pushRedisList(key string, value string) {
+ ctx := context.Background()
+ err := redisClient.RPush(ctx, key, value).Err()
+ if err != nil {
+ log.Fatalf("Error setting key: %v", err)
+ }
+}
+
+// delete redis key
+func delRedis(key string) {
+ ctx := context.Background()
+ err := redisClient.Del(ctx, key).Err()
+ if err != nil {
+ log.Fatalf("Error setting key: %v", err)
+ }
+}
+
+// User 用户,用于存入 Redis hash
+type RUser struct {
+ ID int `json:"id"`
+ Name string `json:"name"`
+ Age int `json:"age"`
+ Email string `json:"email"`
+}
+
+func (u *RUser) toJSONString() string {
+ // 将User对象编码为JSON字符串
+ userJSON, err := json.Marshal(u)
+ if err != nil {
+ log.Fatalf("Failed to marshal user: %v", err)
+ }
+ return string(userJSON)
+}
+
+// put hash to redis
+func hSetRedis(key string, field string, value string) {
+ ctx := context.Background()
+ err := redisClient.HSet(ctx, key, field, value).Err()
+ if err != nil {
+ log.Fatalf("Error setting key: %v", err)
+ }
+}
+
+// get hash from redis
+func hGetRedis(key string, field string) string {
+ ctx := context.Background()
+ val, err := redisClient.HGet(ctx, key, field).Result()
+ if err != nil {
+ log.Fatalf("Error getting key: %v", err)
+ }
+ return val
+}