signet-backend/data/context.go

package data

import (
	"fmt"
	"github.com/spf13/viper"
	"gorm.io/driver/postgres"
	"gorm.io/gorm"
	"time"
)

type ModelBase struct {
	ID        uint           `gorm:"primarykey" json:"id"`
	CreatedAt time.Time      `json:"createdAt"`
	UpdatedAt time.Time      `json:"updatedAt"`
	DeletedAt gorm.DeletedAt `gorm:"index" json:"deletedAt"`
}

type Bonus struct {
	ModelBase
	Goal         float64 `json:"goal"`
	Percent      float64 `json:"percent"`
	RewardFundID uint    `json:"rewardFundID"`
}

type Queue struct {
	ModelBase
	Name   string       `gorm:"type:varchar(50)" json:"name"`
	Orders []QueueOrder `json:"order"`
}

type RewardFund struct {
	ModelBase
	Asset           string         `json:"asset"`
	FundWallet      string         `json:"fundWallet"`
	SellingWallet   string         `json:"sellingWallet"`
	IssuerWallet    string         `json:"issuerWallet"`
	Memo            string         `json:"memo"`
	Price           float64        `gorm:"type:decimal(19,7)" json:"price"`
	AmountAvailable float64        `gorm:"type:decimal(19,7)" json:"amountAvailable"`
	MinContribution float64        `gorm:"type:decimal(19,7)" json:"minContribution"`
	Contributions   []Contribution `json:"contributions"`
	Title           string         `gorm:"type:varchar(50)" json:"title"`
	Description     string         `gorm:"type:text" json:"description"`
	Bonuses         []Bonus        `json:"bonuses"`
	QueueOrder      QueueOrder     `json:"queueOrder"`
}

type QueueOrder struct {
	ModelBase
	QueueID      uint   `json:"queueID"`
	RewardFundID uint   `json:"rewardFundID"`
	Order        uint16 `gorm:"type:smallint" json:"order"`
}

type Contribution struct {
	ModelBase
	Wallet        string  `json:"wallet"`
	Amount        float64 `gorm:"type:decimal(19,7)" json:"amount"`
	TransactionID string  `json:"transactionID"`
	RewardFundID  uint    `json:"rewardFundID"`
}

type User struct {
	ModelBase
	Username   string `json:"username"`
	Password   string `json:"password"`
	Privileges uint   `json:"admin"`
}

var Db *gorm.DB

func InitializeDatabase() {
	var err error
	dcs := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=%s",
		viper.GetString("database.host"),
		viper.GetString("database.user"),
		viper.GetString("database.password"),
		viper.GetString("database.name"),
		viper.GetInt("database.port"),
		viper.GetString("database.ssl"))
	Db, err = gorm.Open(postgres.Open(dcs), &gorm.Config{})
	if err != nil {
		panic("Could not open database")
	}
	err = Db.AutoMigrate(User{}, Queue{}, RewardFund{}, QueueOrder{}, Contribution{}, Bonus{})
	if err != nil {
		panic("Could not migrate database")
	}
}