byom-customer-api/middleware/validation.go

package middleware

import (
	"net/http"

	"git.linuxforward.com/byom/byom-core/validation"
	"github.com/gin-gonic/gin"
)

// ValidateRequest validates the request body against the given struct and returns validation errors
func ValidateRequest[T any](c *gin.Context) (*T, bool) {
	var req T
	if err := c.ShouldBindJSON(&req); err != nil {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
			"code":   "INVALID_REQUEST",
			"error":  "Invalid request format",
			"errors": []validation.ValidationError{{Field: "body", Message: err.Error()}},
		})
		return nil, false
	}

	if errors := validation.Validate(req); len(errors) > 0 {
		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{
			"code":   "VALIDATION_ERROR",
			"error":  "Validation failed",
			"errors": errors,
		})
		return nil, false
	}

	return &req, true
}