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|
package model
import (
"encoding/json"
"strings"
"time"
)
const sentinelYear = 1000
func SentinelBirthday() time.Time {
return time.Date(sentinelYear, 1, 1, 0, 0, 0, 0, time.UTC)
}
type Sex uint8
const (
SexUnknown Sex = 0
SexMale Sex = 1
SexFemale Sex = 2
)
func (s *Sex) UnmarshalJSON(b []byte) error {
var raw string
if err := json.Unmarshal(b, &raw); err == nil {
switch strings.ToLower(strings.TrimSpace(raw)) {
case "male":
*s = SexMale
return nil
case "female":
*s = SexFemale
return nil
case "", "unknown", "null":
*s = SexUnknown
return nil
}
}
// also accept numbers in JSON
var n int
if err := json.Unmarshal(b, &n); err == nil {
*s = Sex(n)
return nil
}
*s = SexUnknown
return nil
}
type User struct {
ID uint64 `gorm:"primaryKey"`
Nick string `gorm:"not null;uniqueIndex:uniq_user_nick"`
Name string
Surname string
Fathersname string
Sex Sex `gorm:"type:smallint;check:sex IN (0,1,2)"`
Birthday time.Time
Cards []Card `gorm:"foreignKey:UserID"`
// just for compatibility
Flights []Flight `gorm:"many2many:user_flights;joinForeignKey:UserID;joinReferences:FlightID"`
}
func (User) TableName() string { return "users" }
type Card struct {
ID uint64 `gorm:"primaryKey"`
Prefix string `gorm:"not null;uniqueIndex:uniq_card_identity"`
Number uint64 `gorm:"not null;uniqueIndex:uniq_card_identity"`
Bonusprogramm string `gorm:"not null;uniqueIndex:uniq_card_identity"`
// User has multiple cards -> each card has registered flights to it
Flights []Flight `gorm:"many2many:card_flights;joinForeignKey:CardID;joinReferences:FlightID"`
UserID uint64
User User `gorm:"foreignKey:UserID;constraint:OnUpdate:CASCADE,OnDelete:SET NULL;"`
}
func (Card) TableName() string { return "cards" }
type Flight struct {
ID uint64 `gorm:"primaryKey"`
Number string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
From string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
FromCity string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
FromCountry string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
To string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
ToCity string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
ToCountry string `gorm:"not null;uniqueIndex:uniq_flight_identity"`
Date time.Time `gorm:"not null;uniqueIndex:uniq_flight_identity"`
Users []User `gorm:"many2many:user_flights;joinForeignKey:FlightID;joinReferences:UserID"`
Cards []Card `gorm:"many2many:card_flights;joinForeignKey:FlightID;joinReferences:CardID"`
}
func (Flight) TableName() string { return "flights" }
|
