eta_chart_lib/models/chart.go

package models

import (
	"errors"
	"eta/eta_chart_lib/utils"
	"fmt"
	"github.com/beego/beego/v2/client/orm"
	"strconv"
	"time"

	"github.com/nosixtools/solarlunar"
)

type ChartInfo struct {
	ChartInfoId       int       `json:"-" orm:"column(chart_info_id);pk"`
	ChartName         string    `description:"来源名称"`
	ChartNameEn       string    `description:"英文图表名称"`
	ChartClassifyId   int       `json:"-" description:"图表分类id"`
	SysUserId         int       `json:"-"`
	SysUserRealName   string    `json:"-"`
	UniqueCode        string    `description:"图表唯一编码"`
	CreateTime        time.Time `json:"-"`
	ModifyTime        time.Time `json:"-"`
	DateType          int       `description:"日期类型:1:00年至今,2:10年至今,3:15年至今，4：年初至今，5:自定义时间"`
	StartDate         string    `description:"自定义开始日期"`
	EndDate           string    `description:"自定义结束日期"`
	IsSetName         int       `description:"设置名称"`
	EdbInfoIds        string    `description:"指标id"`
	ChartType         int       `description:"生成样式:1:曲线图,2:季节性图"`
	Calendar          string    `description:"公历/农历"`
	SeasonStartDate   string    `description:"季节性图开始日期"`
	SeasonEndDate     string    `description:"季节性图开始日期"`
	ChartImage        string    `description:"图表图片"`
	BarConfig         string    `description:"柱方图的配置，json数据" json:"-"`
	LeftMin           string    `description:"图表左侧最小值"`
	LeftMax           string    `description:"图表左侧最大值"`
	Source            int       `description:"1：ETA图库；2：商品价格曲线"`
	UnitEn            string    `description:"英文图表单位"`
	Unit              string    `description:"图表单位"`
	ExtraConfig       string    `description:"图表额外配置,json数据" json:"-"`
	ChartSource       string    `description:"图表来源str"`
	ChartSourceEn     string    `description:"图表来源（英文）"`
	SeasonExtraConfig string    `description:"季节性图表中的配置,json数据"`
	StartYear         int       `description:"当选择的日期类型为最近N年类型时，即date_type=20, 用start_year表示N"`
}

func GetChartInfoByUniqueCode(uniqueCode string) (item *ChartInfo, err error) {
	o := orm.NewOrmUsingDB("data")
	sql := ` SELECT * FROM chart_info WHERE unique_code=? `
	err = o.Raw(sql, uniqueCode).QueryRow(&item)
	return
}

type ChartEdbInfoMapping struct {
	EdbInfoId         int     `description:"指标id"`
	SourceName        string  `description:"来源名称"`
	Source            int     `description:"来源id"`
	EdbCode           string  `description:"指标编码"`
	EdbName           string  `description:"指标名称"`
	EdbAliasName      string  `description:"指标名称（别名）"`
	EdbAliasNameEn    string  `description:"英文指标名称（别名）"`
	EdbNameEn         string  `description:"英文指标名称"`
	Frequency         string  `description:"频率"`
	FrequencyEn       string  `description:"英文频率"`
	Unit              string  `description:"单位"`
	UnitEn            string  `description:"英文单位"`
	StartDate         string  `description:"起始日期"`
	EndDate           string  `description:"终止日期"`
	ModifyTime        string  `description:"指标最后更新时间"`
	ChartEdbMappingId int     `description:"图表指标id" json:"-"`
	ChartInfoId       int     `description:"图表id"`
	MaxData           float64 `description:"上限"`
	MinData           float64 `description:"下限"`
	IsOrder           bool    `description:"true:正序,false:逆序"`
	IsAxis            int     `description:"1:左轴,0:右轴"`
	EdbInfoType       int     `description:"1:标准指标,0:领先指标"`
	EdbType           int     `description:"指标类型:1:基础指标,2:计算指标"`
	LeadValue         int     `description:"领先值"`
	LeadUnit          string  `description:"领先单位"`
	LeadUnitEn        string  `description:"领先英文单位"`
	ChartStyle        string  `description:"图表类型"`
	ChartColor        string  `description:"颜色"`
	ChartWidth        float64 `description:"线条大小"`
	DataList          interface{}

	EdbInfoCategoryType int     `description:"0:普通指标,1:预测指标"`
	PredictChartColor   string  `description:"预测数据的颜色"`
	ChartType           int     `description:"生成样式:1:曲线图,2:季节性图,3:面积图，4：柱状图，5：散点图，6：组合图"`
	LatestDate          string  `description:"数据最新日期"`
	LatestValue         float64 `description:"数据最新值"`
	MoveLatestDate      string  `description:"移动后的数据最新日期"`
	UniqueCode          string  `description:"指标唯一编码"`
	MinValue            float64 `json:"-" description:"最小值"`
	MaxValue            float64 `json:"-" description:"最大值"`
	IsNullData          bool    `json:"-" description:"是否空数据"`
	MappingSource       int     `description:"1：ETA图库；2：商品价格曲线"`
}

func GetChartEdbMappingList(chartInfoId int) (list []*ChartEdbInfoMapping, err error) {
	o := orm.NewOrmUsingDB("data")
	aField := `a.chart_edb_mapping_id,a.chart_info_id,a.edb_info_id,a.create_time,a.modify_time,a.unique_code,a.max_data,a.min_data,a.is_order,a.is_axis,a.edb_info_type,a.lead_value,a.lead_unit,a.chart_style,a.chart_color,a.predict_chart_color,a.chart_width,a.source as mapping_source`
	sql := ` SELECT ` + aField + `,b.source_name,b.source,b.edb_code,b.edb_name,b.edb_name_en,b.frequency,b.unit,b.unit_en,b.start_date,b.end_date,b.modify_time,b.edb_type,b.latest_date,b.latest_value,b.unique_code,b.edb_info_type AS edb_info_category_type
             FROM chart_edb_mapping AS a
			 INNER JOIN edb_info AS b ON a.edb_info_id=b.edb_info_id
			 WHERE chart_info_id=? 
             ORDER BY chart_edb_mapping_id ASC `
	_, err = o.Raw(sql, chartInfoId).QueryRows(&list)
	return
}

type EdbDataList struct {
	EdbDataId     int     `json:"-" description:" 指标数据ID"`
	EdbInfoId     int     `json:"-" description:"指标ID"`
	DataTime      string  `json:"-" description:"数据日期"`
	DataTimestamp int64   `description:"数据日期"`
	Value         float64 `description:"数据值"`
}

// GetEdbDataList 获取指标的数据（日期正序返回）
func GetEdbDataList(source, endInfoId int, startDate, endDate string) (list []*EdbDataList, err error) {
	tableName := GetEdbDataTableName(source)
	if tableName == "" {
		err = errors.New("无效的渠道：" + strconv.Itoa(source))
		list = make([]*EdbDataList, 0)
		return list, err
	}
	var pars []interface{}
	var condition string
	if startDate != "" {
		condition += ` AND data_time>=? `
		pars = append(pars, startDate)
	}
	if endDate != "" {
		condition += ` AND data_time<=? `
		pars = append(pars, endDate)
	}
	sql := `SELECT edb_data_id,edb_info_id,data_time,TRUNCATE(value,4) AS value,data_timestamp FROM %s WHERE edb_info_id=? `
	if condition != "" {
		sql += condition
	}
	sql += ` ORDER BY data_time ASC  `
	sql = fmt.Sprintf(sql, tableName)
	o := orm.NewOrmUsingDB("data")
	_, err = o.Raw(sql, endInfoId, pars).QueryRows(&list)
	return
}

type EdbDataItemList struct {
	EdbDataId     int     `json:"-" description:" 指标数据ID"`
	EdbInfoId     int     `json:"-" description:"指标ID"`
	DataTime      string  `description:"数据日期"`
	DataTimestamp int64   `description:"数据日期"`
	Value         float64 `description:"数据值"`
}

type EdbDataItems struct {
	Items                []*EdbDataList
	Year                 int
	BetweenDay           int   `json:"-" description:"公历与农历之间相差的天数"`
	CuttingDataTimestamp int64 `description:"切割的时间戳"`
}

type EdbDataResult struct {
	List []*EdbDataItems
}

type QuarterData struct {
	Year                 string
	DataList             []*EdbDataList
	CuttingDataTimestamp int64 `description:"切割的时间戳"`
	ChartLegend          string
	Years                string
}

type QuarterXDateItem struct {
	StartDate            time.Time
	EndDate              time.Time
	ShowName             string
	ChartLegend          string
	CuttingDataTimestamp int64 `description:"切割的时间戳"`
}

type ChartInfoDetailResp struct {
	ChartInfo            *ChartInfo
	EdbInfoList          []*ChartEdbInfoMapping
	XEdbIdValue          []int            `description:"柱方图的x轴数据，指标id"`
	YDataList            []YData          `description:"柱方图的y轴数据"`
	XDataList            []XData          `description:"商品价格曲线的X轴数据"`
	CorrelationChartInfo *CorrelationInfo `description:"相关性图表信息"`
	DataResp             interface{}      `description:"图表数据,根据图的类型而定的,没有确定的数据格式"`
	WaterMark            string           `description:"水印"`
}

// XData 商品价格曲线的的x轴数据
type XData struct {
	Name   string `description:"别名"`
	NameEn string `description:"英文别名"`
}

// YData 柱方图的y轴数据
type YData struct {
	Date           string          `description:"数据日期"`
	ConfigDate     time.Time       `description:"配置的日期" json:"-"`
	Color          string          `description:"数据颜色"`
	Name           string          `description:"别名"`
	NameEn         string          `description:"英文别名"`
	Value          []float64       `description:"每个指标的值"`
	NoDataEdbList  []int           `description:"没有数据的指标列表"`
	XEdbInfoIdList []int           `description:"对应X轴的指标id列表"`
	EdbValMap      map[int]float64 `description:"指标与值的对应" json:"-"`
	M              []int           `description:"对应开始日期的间隔值" json:"-"`
	NameList       []string        `description:"每个值对应的名称"`
	EnNameList     []string        `description:"每个值对应的英文名称"`
	Unit           string          `description:"中文单位名称"`
	UnitEn         string          `description:"英文单位名称"`
}

// RollingCorrelationChartDataResp 滚动相关性图
type RollingCorrelationChartDataResp struct {
	XDateTimeValue []string `description:"滚动相关性图的x轴数据，日期数据"`
	YDataList      []YData  `description:"滚动相关性图的y轴数据"`
}

// 指标季度数据计算(公历转农历)
func AddCalculateQuarterV5(dataList []*EdbDataList) (result *EdbDataResult, err error) {
	var errMsg string
	defer func() {
		if errMsg != "" {
			fmt.Println("errMsg:", errMsg)
		}
	}()
	if len(dataList) <= 0 {
		result.List = make([]*EdbDataItems, 0)
		return
	}

	endDate := dataList[len(dataList)-1].DataTime
	endDateForm, err := time.Parse(utils.FormatDate, endDate)
	if err != nil {
		return result, err
	}
	thisMonth := int(endDateForm.Month())

	result = new(EdbDataResult)
	var yearArr []int
	yearMap := make(map[int]int)
	var cureentDate time.Time
	if thisMonth < 11 {
		for k, v := range dataList {
			dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
			if err != nil {
				errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
				return result, err
			}
			if k == len(dataList)-1 {
				cureentDate = dateTime
			}
			year := dateTime.Year()
			if _, ok := yearMap[year]; !ok {
				yearArr = append(yearArr, year)
			}
			yearMap[year] = year
		}
	} else {
		for k, v := range dataList {
			dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
			if err != nil {
				errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
				return result, err
			}
			if k == len(dataList)-1 {
				cureentDate = dateTime
			}
			year := dateTime.Year() + 1
			if _, ok := yearMap[year]; !ok {
				yearArr = append(yearArr, year)
			}
			yearMap[year] = year
		}
	}
	//排序
	fmt.Println("yearArr:", yearArr)
	thisYear := cureentDate.Year()
	//thisMonth := int(cureentDate.Month())

	fmt.Println("thisMonth:", thisMonth)
	for ky, vy := range yearArr {
		fmt.Println("line 432:", ky, vy, thisYear, thisMonth)
		if thisMonth < 11 {
			currentYearCjnl := strconv.Itoa(thisYear) + "-01-01"               //当前年份春节农历
			currentYearCjgl := solarlunar.LunarToSolar(currentYearCjnl, false) //当前年份春节公历
			currentYearCjglDate, err := time.Parse(utils.FormatDate, currentYearCjgl)
			if err != nil {
				errMsg = "生成当前春节失败,Err:" + err.Error()
				return result, err
			}

			preYear := vy
			preYearCjnl := strconv.Itoa(preYear) + "-01-01"            //之前年份春节农历
			preYearCjgl := solarlunar.LunarToSolar(preYearCjnl, false) //之前年份春节公历
			preYearCjglDate, err := time.Parse(utils.FormatDate, preYearCjgl)
			if err != nil {
				errMsg = "生成历史年份春节失败,Err:" + err.Error()
				return result, err
			}
			day := currentYearCjglDate.Sub(preYearCjglDate).Hours() / float64(24)

			items := new(EdbDataItems)
			items.BetweenDay = int(day) //公历日期换算成农历，需要减除的天数
			items.Year = preYear
			for _, v := range dataList {
				dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
				if err != nil {
					errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
					return result, err
				}
				newDate := dateTime.AddDate(0, 0, int(day))
				selectDateStr := strconv.Itoa(thisYear) + "-11" + "-30"
				selectDate, _ := time.Parse(utils.FormatDate, selectDateStr)
				if newDate.Before(selectDate) || newDate == selectDate {
					timestamp := newDate.UnixNano() / 1e6
					item := new(EdbDataList)
					item.DataTime = newDate.Format(utils.FormatDate)
					item.EdbInfoId = v.EdbInfoId
					item.Value = v.Value
					item.EdbDataId = v.EdbDataId
					item.DataTimestamp = timestamp
					items.Items = append(items.Items, item)
				}
			}
			result.List = append(result.List, items)
		} else {
			nextYear := thisYear + 1
			nextYearCjnl := strconv.Itoa(nextYear) + "-01-01"            //当前年份春节农历
			nextYearCjgl := solarlunar.LunarToSolar(nextYearCjnl, false) //当前年份春节公历

			nextYearCjglDate, err := time.Parse(utils.FormatDate, nextYearCjgl)
			if err != nil {
				errMsg = "生成当前春节失败,Err:" + err.Error()
				return result, err
			}
			preYear := vy
			preYearCjnl := strconv.Itoa(preYear) + "-01-01"            //之前年份春节农历
			preYearCjgl := solarlunar.LunarToSolar(preYearCjnl, false) //之前年份春节公历
			preYearCjglDate, err := time.Parse(utils.FormatDate, preYearCjgl)
			if err != nil {
				errMsg = "生成历史年份春节失败,Err:" + err.Error()
				return result, err
			}
			day := nextYearCjglDate.Sub(preYearCjglDate).Hours() / float64(24)

			fmt.Println("day:", day, nextYearCjglDate, preYearCjglDate)

			items := new(EdbDataItems)
			items.BetweenDay = int(day) //公历日期换算成农历，需要减除的天数
			items.Year = preYear - 1
			fmt.Println("preYear:", preYear, "ky:", ky, "yearArrLen:", len(yearArr))
			if ky+1 < len(yearArr) {
				for _, v := range dataList {
					dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
					if err != nil {
						errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
						return result, err
					}
					newDate := dateTime.AddDate(0, 0, int(day))
					selectDateStr := strconv.Itoa(nextYear) + "-05" + "-31"
					selectDate, _ := time.Parse(utils.FormatDate, selectDateStr)

					if newDate.Before(selectDate) || newDate == selectDate {
						timestamp := newDate.UnixNano() / 1e6
						item := new(EdbDataList)
						item.DataTime = newDate.Format(utils.FormatDate)
						item.EdbInfoId = v.EdbInfoId
						item.Value = v.Value
						item.EdbDataId = v.EdbDataId
						item.DataTimestamp = timestamp
						items.Items = append(items.Items, item)
					}
				}
				result.List = append(result.List, items)
			} else {
				for _, v := range dataList {
					dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
					if err != nil {
						errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
						return result, err
					}
					timestamp := dateTime.UnixNano() / 1e6
					item := new(EdbDataList)
					item.DataTime = dateTime.Format(utils.FormatDate)
					item.EdbInfoId = v.EdbInfoId
					item.Value = v.Value
					item.EdbDataId = v.EdbDataId
					item.DataTimestamp = timestamp
					items.Items = append(items.Items, item)
				}
				result.List = append(result.List, items)
			}
		}
	}
	return
}

// AddCalculateQuarterV6 指标季度数据计算(季节性图表)
func AddCalculateQuarterV6(dataList []*EdbDataList) (result *EdbDataResult, err error) {
	var errMsg string
	defer func() {
		if errMsg != "" {
			fmt.Println("errMsg:", errMsg)
		}
	}()

	endDate := dataList[len(dataList)-1].DataTime
	endDateForm, err := time.Parse(utils.FormatDate, endDate)
	if err != nil {
		return result, err
	}
	thisMonth := int(endDateForm.Month())

	result = new(EdbDataResult)
	var yearArr []int
	yearMap := make(map[int]int)
	var cureentDate time.Time
	if thisMonth < 11 {
		for k, v := range dataList {
			dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
			if err != nil {
				errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
				return result, err
			}
			if k == len(dataList)-1 {
				cureentDate = dateTime
			}
			year := dateTime.Year()
			if _, ok := yearMap[year]; !ok {
				yearArr = append(yearArr, year)
			}
			yearMap[year] = year
		}
	} else {
		for k, v := range dataList {
			dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
			if err != nil {
				errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
				return result, err
			}
			if k == len(dataList)-1 {
				cureentDate = dateTime
			}
			year := dateTime.Year() + 1
			if _, ok := yearMap[year]; !ok {
				yearArr = append(yearArr, year)
			}
			yearMap[year] = year
		}
	}
	//排序
	fmt.Println("yearArr:", yearArr)
	thisYear := cureentDate.Year()
	//thisMonth := int(cureentDate.Month())

	fmt.Println("thisMonth:", thisMonth)
	for ky, vy := range yearArr {
		fmt.Printf("line 432:ky:%d, vy:%d, thisYear:%d, thisMonth:%d", ky, vy, thisYear, thisMonth)
		fmt.Println("")
		if thisMonth < 11 {
			currentYearCjnl := strconv.Itoa(thisYear) + "-01-01"               //当前年份春节农历
			currentYearCjgl := solarlunar.LunarToSolar(currentYearCjnl, false) //当前年份春节公历
			currentYearCjglDate, err := time.Parse(utils.FormatDate, currentYearCjgl)
			if err != nil {
				errMsg = "生成当前春节失败,Err:" + err.Error()
				return result, err
			}

			preYear := vy
			preYearCjnl := strconv.Itoa(preYear) + "-01-01"            //之前年份春节农历
			preYearCjgl := solarlunar.LunarToSolar(preYearCjnl, false) //之前年份春节公历
			preYearCjglDate, err := time.Parse(utils.FormatDate, preYearCjgl)
			if err != nil {
				errMsg = "生成历史年份春节失败,Err:" + err.Error()
				return result, err
			}
			day := currentYearCjglDate.Sub(preYearCjglDate).Hours() / float64(24)

			fmt.Println("day:", day, currentYearCjglDate, preYearCjglDate)

			items := new(EdbDataItems)
			items.BetweenDay = int(day) //公历日期换算成农历，需要减除的天数
			items.Year = preYear
			for _, v := range dataList {
				dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
				if err != nil {
					errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
					return result, err
				}
				newDate := dateTime.AddDate(0, 0, int(day))
				timestamp := newDate.UnixNano() / 1e6
				item := new(EdbDataList)
				item.DataTime = newDate.Format(utils.FormatDate)
				item.EdbInfoId = v.EdbInfoId
				item.Value = v.Value
				item.EdbDataId = v.EdbDataId
				item.DataTimestamp = timestamp
				items.Items = append(items.Items, item)
			}
			result.List = append(result.List, items)
		} else {
			nextYear := thisYear + 1
			nextYearCjnl := strconv.Itoa(nextYear) + "-01-01"            //当前年份春节农历
			nextYearCjgl := solarlunar.LunarToSolar(nextYearCjnl, false) //当前年份春节公历

			nextYearCjglDate, err := time.Parse(utils.FormatDate, nextYearCjgl)
			if err != nil {
				errMsg = "生成当前春节失败,Err:" + err.Error()
				return result, err
			}
			preYear := vy
			preYearCjnl := strconv.Itoa(preYear) + "-01-01"            //之前年份春节农历
			preYearCjgl := solarlunar.LunarToSolar(preYearCjnl, false) //之前年份春节公历
			preYearCjglDate, err := time.Parse(utils.FormatDate, preYearCjgl)
			if err != nil {
				errMsg = "生成历史年份春节失败,Err:" + err.Error()
				return result, err
			}
			day := nextYearCjglDate.Sub(preYearCjglDate).Hours() / float64(24)

			fmt.Println("day:", day, nextYearCjglDate, preYearCjglDate)

			items := new(EdbDataItems)
			items.BetweenDay = int(day) //公历日期换算成农历，需要减除的天数
			items.Year = preYear
			fmt.Println("preYear:", preYear, "ky:", ky, "yearArrLen:", len(yearArr))
			//if ky+1 < len(yearArr) {
			for _, v := range dataList {
				dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
				if err != nil {
					errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
					return result, err
				}
				newDate := dateTime.AddDate(0, 0, int(day))
				timestamp := newDate.UnixNano() / 1e6
				item := new(EdbDataList)
				item.DataTime = newDate.Format(utils.FormatDate)
				item.EdbInfoId = v.EdbInfoId
				item.Value = v.Value
				item.EdbDataId = v.EdbDataId
				item.DataTimestamp = timestamp
				items.Items = append(items.Items, item)
			}
			result.List = append(result.List, items)
			/*} else {
				for _, v := range dataList {
					dateTime, err := time.Parse(utils.FormatDate, v.DataTime)
					if err != nil {
						errMsg = "time.Parse Err:" + err.Error() + ";DataTime:" + v.DataTime
						return result, err
					}
					timestamp := dateTime.UnixNano() / 1e6
					item := new(EdbDataList)
					item.DataTime = dateTime.Format(utils.FormatDate)
					item.EdbInfoId = v.EdbInfoId
					item.Value = v.Value
					item.EdbDataId = v.EdbDataId
					item.DataTimestamp = timestamp
					items.Items = append(items.Items, item)
				}
				result.List = append(result.List, items)
			}*/
		}
	}
	return
}

type CorrelationInfo struct {
	LeadValue       int    `description:"领先值"`
	LeadUnit        string `description:"领先单位"`
	StartDate       string `description:"开始日期"`
	EndDate         string `description:"结束日期"`
	EdbInfoIdFirst  int    `description:"A指标ID"`
	EdbInfoIdSecond int    `description:"B指标ID"`
	PeriodData      string `description:"X轴-期数数据"`
	CorrelationData string `description:"Y轴-相关性系数"`
}

type SeasonExtraItem struct {
	ChartLegend []SeasonChartLegend `description:"自定义的图例名称"`
	XStartDate  string              `description:"横坐标显示的起始日"`
	XEndDate    string              `description:"横坐标显示的截止日"`
	JumpYear    int                 `description:"横坐标日期是否跨年，1跨年，0不跨年"`
}

type SeasonChartLegend struct {
	Name  string
	Value string
}

type QuarterDataList []*QuarterData

func (m QuarterDataList) Len() int {
	return len(m)
}

func (m QuarterDataList) Less(i, j int) bool {
	return m[i].Years < m[j].Years
}

func (m QuarterDataList) Swap(i, j int) {
	m[i], m[j] = m[j], m[i]
}