model

type City struct {
	gorm.Model
	Name         string  `json:"name" gorm:"type:varchar(31);not null;default:'';unique_index"`
	Latitude     float64 `json:"latitude" gorm:"type:numeric(9,6);not null;default:0"`
	Longitude    float64 `json:"longitude" gorm:"type:numeric(9,6);not null;default:0"`
	Temperatures []Temperature
	Webhooks     []Webhook
}

type Forcast struct {
	Max    float64 `json:"max"`
	Min    float64 `json:"min"`
	Sample int     `json:"sample"`
}

type Temperature struct {
	gorm.Model
	CityID uint    `json:"city_id" gorm:"type:int;not null;default:0"`
	Max    float64 `json:"max" gorm:"type:numeric(4,2);not null;default:0"`
	Min    float64 `json:"min" gorm:"type:numeric(4,2);not null;default:0"`
}

type Webhook struct {
	gorm.Model
	CityID      uint   `json:"city_id" gorm:"type:int;not null;default:0"`
	CallbackURL string `json:"callback_url" gorm:"type:varchar(2046);not null;default:''"`
}