Gin how to use form-data and raw data together

Description

I'm trying to pass a file upload and a json with some data. I tried using both c.ShouldBindJSON() and c.FormFile("file"). They work individually but not together. I dont want to pass the json as form-data but I've tried that too but cant get it to find to the custom struct.

Basically the file I get will be saved and a link of it will be added to database along with some data passed through the same handler. I'm testing using postman.

How to reproduce

type Files struct {
    Id           int64    
    User_Id   int64     
    FileName string   
    Type         string     
    Name         string   
    Link         string  
    Created      time.Time
    Updated      time.Time 
}

func FileUploadHandler() func(c *gin.Context) {
    return func(c *gin.Context) {

        var model Files
        err := c.ShouldBindJSON(&model)
        file, err := c.FormFile("file")
        if err != nil {
            fmt.Println(err)
            c.String(http.StatusBadRequest, fmt.Sprintf("get form err: %s", err.Error()))
            return
        }

        fileSrc := "../uploads/" + filename
        // FILE SAVED
        if err := c.SaveUploadedFile(file, fileSrc); err != nil {

            c.JSON(http.StatusBadRequest, fmt.Sprintf("upload file err: %s", err.Error()))
            return
        }else{
            err:=model.Add
            if err!=nil{
                c.JSON(http.StatusInternalServerError, fmt.Sprintf("upload file err: %s", err.Error()))
                return

            }else{
                c.JSON(200, gin.H{
                    "success": "files added successfully",
                })
            }
        }
    }
}

Actual result

I get this error: multipart: NextPart: bufio: buffer full ```

Comment From: MohammadMobasher

You can use Bind instead of ShouldBindJSON

Comment From: Tezigudo

is this issue resolved yet?