magic_server/apis/node/order.go

package node

import (
	"app/commons/services"
	"github.com/gin-gonic/gin"
	"github.com/shopspring/decimal"
)

func (s *Server) Orders(ctx *gin.Context) {
	c := s.FromContext(ctx)
	type request struct {
		Current int64 `json:"current" query:"current" form:"current" ` //当前页
		Size    int64 `json:"size"    query:"size" form:"size"`        //每页条数
	}
	param := new(request)
	if err := c.BindQuery(&param); err != nil {
		c.Fail(err.Error())
		return
	}
	c.OpenId()
	c.Uid()
	db := s.DB().Where("user_id", c.UserId())
	paging := services.InitPaging(param.Current, param.Size) // 构建一个分页器
	records, err := s.PageNodeOrder(db, paging)
	if err != nil {
		c.Fail(err.Error())
		return
	}
	// 返回内容
	type resp struct {
		UsdPrice  decimal.Decimal `json:"usdPrice" gorm:"type:decimal(25,8);default:0;comment:单价"`
		Quantity  decimal.Decimal `json:"quantity" gorm:"type:decimal(25,2);default:0;comment:数量"`
		UsdAmount decimal.Decimal `json:"usdAmount" gorm:"type:decimal(25,8);default:0;comment:总价值"`
		PayState  int             `json:"payState" gorm:"default:0;comment:支付状态:0:待支付 1: 支付成功 2: 支付失败 "`
	}
	list := make([]resp, 0)
	// 多一层处理 为了让返回的字段更符合前端的设计
	for _, item := range records {
		// todo:
		list = append(list, resp{
			UsdPrice:  item.UsdPrice,
			Quantity:  item.Quantity,
			UsdAmount: item.UsdAmount,
			PayState:  item.PayState,
		})
	}
	c.Resp(map[string]interface{}{
		"list":   list,
		"paging": paging,
	})
}