platform/web/services/bill.go

package services

import (
	m "platform/web/models"
	q "platform/web/queries"
)

var Bill = &billService{}

type billService struct{}

func (s *billService) CreateForBalance(q *q.Query, uid, tradeId int32, detail *TradeDetail) (*m.Bill, error) {
	bill := &m.Bill{
		UserID:  uid,
		BillNo:  ID.GenReadable("bil"),
		TradeID: &tradeId,
		Type:    m.BillTypeRecharge,
		Info:    &detail.Subject,
		Amount:  detail.Discounted,
		Actual:  detail.Actual,
	}

	err := q.Bill.Create(bill)
	if err != nil {
		return nil, err
	}

	return bill, nil
}

func (s *billService) CreateForResource(q *q.Query, uid, resourceId int32, tradeId *int32, detail *TradeDetail) (*m.Bill, error) {
	bill := &m.Bill{
		UserID:       uid,
		BillNo:       ID.GenReadable("bil"),
		ResourceID:   &resourceId,
		TradeID:      tradeId,
		CouponUserID: detail.CouponUserId,
		Type:         m.BillTypeConsume,
		Info:         &detail.Subject,
		Amount:       detail.Discounted,
		Actual:       detail.Actual,
	}

	err := q.Bill.Create(bill)
	if err != nil {
		return nil, err
	}

	return bill, nil
}