kpt-pasture/module/backend/dashboard.go

package backend

import (
	"context"
	"kpt-pasture/model"
	"net/http"

	"gitee.com/xuyiping_admin/pkg/xerr"

	pasturePb "gitee.com/xuyiping_admin/go_proto/proto/go/backend/cow"
)

func (s *StoreEntry) Bar(ctx context.Context) (*pasturePb.BarCowStructResponse, error) {
	barCowStructList := make([]*model.BarCowStruct, 0)
	var count int32 = 0
	if err := s.DB.Model(new(model.Cow)).Select("COUNT(*) AS number ,cow_type").
		Where("admission_status = ?", pasturePb.AdmissionStatus_Admission).
		Group("cow_type").
		Find(&barCowStructList).Error; err != nil {
		return nil, xerr.WithStack(err)
	}
	cowTypeMap := s.CowTypeMap()

	for _, v := range barCowStructList {
		count += v.Number
	}
	return &pasturePb.BarCowStructResponse{
		Code:    http.StatusOK,
		Message: "ok",
		Data: &pasturePb.BarCowStructData{
			List:  model.BarCowStructSlice(barCowStructList).ToPB(cowTypeMap, count),
			Total: 38563,
		},
	}, nil
}