database

type CoeffPair struct {
	Credit float64 `json:"credit"`
	Debt   float64 `json:"debt"`
}

type DBHandler struct {
	DB *gorm.DB
}

type Dong struct {
	gorm.Model
	ID           uint
	Name         string
	Desc         string
	Transactions []Transaction
}

type DongUser struct {
	gorm.Model
	ID           uint
	UserID       uint `gorm:"UNIQUE_INDEX:compositeindex"`
	DongID       uint `gorm:"UNIQUE_INDEX:compositeindex"`
	IsDongAdmin  bool
	Transactions []Transaction
}

type ShareCoeffs map[uint]CoeffPair

type Transaction struct {
	gorm.Model
	ID          uint
	DongUserID  uint
	DongID      uint
	Expense     int
	ShareCoeffs ShareCoeffs `gorm:"type:text"`
	Desc        string
}

type User struct {
	gorm.Model
	ID        uint
	Name      string
	IsAdmin   bool
	DongUsers []DongUser
}