kpt-pasture/module/backend/analysis.go

package backend

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

	"gitee.com/xuyiping_admin/pkg/xerr"

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

// GrowthCurve 生长曲线 获取图表数据
func (s *StoreEntry) GrowthCurve(ctx context.Context, req *pasturePb.SearchGrowthCurvesRequest) (*pasturePb.GrowthCurvesResponse, error) {
	// 查询数据
	cowList := make([]*model.Cow, 0)
	pref := s.DB.Model(new(model.Cow)).Where("is_remove = ?", pasturePb.IsShow_Ok)
	if req.GetCowId() != "" {
		pref.Where("id IN ?", strings.Split(req.CowId, ","))
	}

	if len(req.BirthDate) == 2 && req.BirthDate[0] != "" && req.BirthDate[1] != "" {
		t0, _ := time.Parse(time.RFC3339, req.BirthDate[0])
		t1, _ := time.Parse(time.RFC3339, req.BirthDate[1])

		pref.Where("birth_at BETWEEN ? AND ?", t0.Unix(), t1.Unix()+86399)
	}

	if err := pref.Find(&cowList).Error; err != nil {
		return nil, err
	}
	penList, err := s.GetPenList(ctx)
	if err != nil {
		return nil, xerr.WithStack(err)
	}
	// 计算图表数据
	chartsList := &pasturePb.Charts{
		CowId:  make([]int32, 0),
		Weight: make([]float32, 0),
		DayAge: make([]int32, 0),
	}
	cowData := make([]*pasturePb.CowList, 0)
	for _, cow := range cowList {
		currentWeight := float32(cow.CurrentWeight) / 100
		penName := ""
		for _, v := range penList {
			if int64(cow.PenId) != v.Id {
				continue
			}
			penName = v.Name
		}
		cowData = append(cowData, &pasturePb.CowList{
			CowId:                  int32(cow.Id),
			EarNumber:              cow.EarNumber,
			DayAge:                 cow.GetDayAge(),
			PenName:                penName,
			CurrentWeight:          currentWeight,
			BirthAt:                int32(cow.BirthAt),
			BirthWeight:            float32(cow.BirthWeight) / 100,
			LastWeightAt:           int32(cow.LastWeightAt),
			DailyWeightGain:        float32(cow.GetDayWeight() / 100),
			AverageDailyWeightGain: float32(cow.GetAverageDailyWeight() / 100),
		})

		chartsList.CowId = append(chartsList.CowId, int32(cow.Id))
		chartsList.Weight = append(chartsList.Weight, currentWeight)
		chartsList.DayAge = append(chartsList.DayAge, cow.GetDayAge())
	}

	// 返回数据
	return &pasturePb.GrowthCurvesResponse{
		Code:    http.StatusOK,
		Message: "success",
		Data: &pasturePb.GrowthCurveData{
			Table:  cowData,
			Charts: chartsList,
		},
	}, nil

}

func (s *StoreEntry) WeightRange(ctx context.Context, req *pasturePb.WeightRangeRequest) (*pasturePb.WeightRangeResponse, error) {
	cowWeightRange := make([]*model.CowWeightRange, 0)

	prefix := s.DB.Model(new(model.Cow)).Where("is_remove = ?", pasturePb.IsShow_Ok)
	if req.CowKind > 0 {
		prefix.Where("cow_kind = ?", req.CowKind)
	}
	if err := prefix.Select(`
		CASE 
			WHEN current_weight BETWEEN 0 AND 50000 THEN '0-50'  
			WHEN current_weight BETWEEN 50001 AND 100000 THEN '51-100' 
			WHEN current_weight BETWEEN 100001 AND 150000 THEN '101-150' 
			WHEN current_weight BETWEEN 150001 AND 200000 THEN '151-200' 
			WHEN current_weight BETWEEN 200001 AND 250000 THEN '201-250' 
			WHEN current_weight BETWEEN 250001 AND 300000 THEN '251-300' 
			WHEN current_weight BETWEEN 300001 AND 350000 THEN '301-350' 
			WHEN current_weight BETWEEN 350001 AND 400000 THEN '351-400' 
			WHEN current_weight BETWEEN 400001 AND 450000 THEN '401-450' 
			WHEN current_weight BETWEEN 450001 AND 500000 THEN '451-500' 
			WHEN current_weight BETWEEN 500001 AND 550000 THEN '500-550' 
			WHEN current_weight BETWEEN 550001 AND 600000 THEN '551-600' 
			WHEN current_weight BETWEEN 600001 AND 650000 THEN '601-650' 
			WHEN current_weight BETWEEN 650001 AND 700000 THEN '651-700' 
			WHEN current_weight BETWEEN 700001 AND 750000 THEN '701-750' 
			ELSE '750+'  
		END AS weight_range, 
		COUNT(*) AS count `,
	).Group("weight_range").Order("MIN(current_weight)").Find(&cowWeightRange).Error; err != nil {
		return nil, err
	}

	if len(cowWeightRange) == 0 {
		return nil, xerr.Customf("没有数据")
	}
	header := make([]string, 0)
	data := make([]int32, 0)
	for _, v := range cowWeightRange {
		header = append(header, v.WeightRange)
		data = append(data, v.Count)
	}
	// 牛只详情列表
	pref := s.DB.Model(new(model.Cow)).Where("is_remove = ?", pasturePb.IsShow_Ok)
	if req.CowKind > 0 {
		pref.Where("cow_kind = ?", req.CowKind)
	}
	cowList := make([]*model.Cow, 0)
	if req.MinWeight >= 0 && req.MaxWeight >= 0 && req.MinWeight < req.MaxWeight {
		pref.Where("current_weight BETWEEN  ? AND ? ", req.MinWeight*1000, req.MaxWeight*1000)
	}

	if err := pref.Find(&cowList).Error; err != nil {
		return nil, err
	}

	penMap := s.PenMap(ctx)
	return &pasturePb.WeightRangeResponse{
		Code:    http.StatusOK,
		Message: "ok",
		Data: &pasturePb.WeightRangeData{
			CowList: model.CowSlice(cowList).WeightRangeToPB(penMap),
			WeightBarChart: &pasturePb.WeightBarChart{
				Header: header,
				Data:   data,
			},
		},
	}, nil
}