package main import ( "fmt" "github.com/gin-gonic/gin" "github.com/go-playground/validator/v10" "log" "net/http" ) func ApplicationRoutes(engine *gin.Engine) { engine.Static("/", "./frontend/build") api := engine.Group("/api") { api.POST("/rules", func(c *gin.Context) { var rule Rule if err := c.ShouldBindJSON(&rule); err != nil { for _, fieldErr := range err.(validator.ValidationErrors) { log.Println(fieldErr) c.JSON(http.StatusBadRequest, gin.H{ "error": fmt.Sprintf("field '%v' does not respect the %v(%v) rule", fieldErr.Field(), fieldErr.Tag(), fieldErr.Param()), }) return // exit on first error } } c.JSON(200, rule) }) } }