struct.go

package main

type Ad struct {
	Title      string       `json:"title" binding:"required, min=1, max=100"`
	StartAt    string       `json:"start_at" binding:"required"`
	EndAt      string       `json:"end_at" binding:"required"`
	Conditions AdConditions `json:"conditions,omitempty" binding:"omitempty"`
}

type AdConditions struct {
	AgeStart  *int      `json:"age_start,omitempty" binding:"omitempty, gte=0, lte=100"`
	AgeEnd    *int      `json:"age_end,omitempty" binding:"omitempty, gte=0, lte=100"`
	Gender    *[]string `json:"gender,omitempty" binding:"omitempty,unique, dive, oneof=M F"`
	Country   *[]string `json:"country,omitempty" binding:"omitempty, unique, dive, len=2, iso3166_1_alpha2"`
	Platforms *[]string `json:"platforms,omitempty" binding:"omitempty, unique, dive, oneof=android ios web"`
}

type AdQuery struct {
	Offset   int64  `form:"offset" binding:"omitempty,gte=0"`
	Limit    int64  `form:"limit,default=5" binding:"omitempty,gte=1,lte=100"`
	Age      int    `form:"age,default=0" binding:"omitempty,gte=0, lte=100"`
	Gender   string `form:"gender" binding:"omitempty,oneof=M F"`
	Country  string `form:"country" binding:"omitempty,len=2, iso3166_1_alpha2"`
	Platform string `form:"platform" binding:"omitempty,oneof=android ios web"`
}