gostock/internal/logic/strategy/rule/roe.go

package rule

import (
	"fmt"

	"git.apinb.com/bsm-sdk/core/utils"
	"git.apinb.com/quant/gostock/internal/impl"
	"git.apinb.com/quant/gostock/internal/logic/types"
	"git.apinb.com/quant/gostock/internal/models"
)

var (
	MinRoe float64 = 0
)

type Roe struct {
	Key  string
	Name string
}

func NewRoe() *Roe {
	return &Roe{
		Key:  "Roe",
		Name: "年化净资产收益率",
	}
}

func (r *Roe) Run(code string) *types.RuleResult {

	var data models.StockFinaIndicator
	err := impl.DBService.Where("ts_code = ?", code).Order("period desc").Limit(1).First(&data).Error
	if err != nil {
		return &types.RuleResult{Key: r.Key, Name: r.Name, Score: -1, Desc: "最近无财报，无ROE值！"}
	}

	data.Roe = utils.FloatRound(data.Roe, 2)

	if data.Roe < MinRoe {
		return &types.RuleResult{Key: r.Key, Name: r.Name, Score: -1, Desc: fmt.Sprintf("ROE=%.2f 低于%.2f", data.Roe, MinRoe)}
	}

	return &types.RuleResult{Key: r.Key, Name: r.Name, Score: 1, Roe: data.Roe, Desc: fmt.Sprintf("ROE=%.2f 高于%.2f", data.Roe, MinRoe)}
}