gohub/app/requests/topic_request.go

package requests

import (
	"github.com/gin-gonic/gin"
	"github.com/thedevsaddam/govalidator"
)

type TopicRequest struct {
	Title      string `json:"title,omitempty" valid:"title"`
	Body       string `json:"body,omitempty" valid:"body"`
	CategoryID string `json:"category_id,omitempty" valid:"category_id"`
}

func TopicSave(data any, c *gin.Context) map[string][]string {

	rules := govalidator.MapData{
		"title":       []string{"required", "min_cn:3", "max_cn:40"},
		"body":        []string{"required", "min_cn:10", "max_cn:50000"},
		"category_id": []string{"required", "exists:categories,id"},
	}
	messages := govalidator.MapData{
		"title":       []string{"required:标题为必填项", "min_cn:标题长度需至少 3 个字符", "max_cn:标题长度不能超过 40 个字符"},
		"body":        []string{"required:内容为必填项", "min_cn:内容长度需至少 10 个字符", "max_cn:内容长度不能超过 50000 个字符"},
		"category_id": []string{"required:分类为必填项", "exists:分类不存在"},
	}
	return validate(data, rules, messages)
}