models

type DbCloser interface {
	CloseDB() error
}

type FriendRequest struct {
	UserId    string    `json:"userId"`
	Timestamp time.Time `json:"timestamp"`
}

type GeoTime struct {
	Latitude  float32   `json:"latitude"`
	Longitude float32   `json:"longitude"`
	Timestamp time.Time `json:"timestamp"`
}

type User struct {
	Id            string    `json:"id"`
	Email         string    `json:"email"`
	FullName      string    `json:"fullName"`
	LastLoginTime time.Time `json:"lastLoginTime"`
	CreationTime  time.Time `json:"creationTime"`
}

type UserDB interface {
	ByID(userId string) (User, error)
	Query(queryString string) ([]User, error)

	// Methods for altering contents
	Create(user User) error
	Update(user User) error
	Delete(userId string) error
	DbCloser
}

type UserFriends struct {
	UserId         string          `json:"id"`
	FriendIds      []string        `json:"friendIds"`
	FriendRequests []FriendRequest `json:"friendRequests"`
}

type UserFriendsDB interface {
	ByUserID(userId string) (UserFriends, error)

	// Methods for altering contents
	Create(userFriends UserFriends) error
	Append(userFriends UserFriends) error

	RemoveFriend(userId, friendId string) error
	AddFriend(userId, friendId string) error

	RemoveFriendRequest(userId, friendId string) error
	AddFriendRequest(userId string, friendRequest FriendRequest) error

	Update(userFriends UserFriends) error
	Delete(userId string) error
	DbCloser
}

type UserLocation struct {
	UserId   string    `json:"userId"`
	GeoTimes []GeoTime `json:"geoTime"`
}

type UserLocationDB interface {
	ByUserID(userId string) (UserLocation, error)
	LatestGeoTimeByUserID(userId string) (GeoTime, error)

	// Methods for altering UserLocations
	Create(userLocation UserLocation) error
	Append(userLocation UserLocation) error
	Update(userLocation UserLocation) error
	Delete(userId string) error
	DbCloser
}

type UserToken struct {
	UserId       string    `json:"userId"`
	Token        string    `json:"token"`
	CreationTime time.Time `json:"creationTime"`
}

type UserTokenDB interface {
	ByToken(token string) (UserToken, error)
	// Methods for altering contents
	Create(userToken UserToken) error
	Update(userToken UserToken) error
	Delete(userId string) error
	DbCloser
}