eta_index_lib/services/base_from_wind.go

package services

import (
	"encoding/json"
	"errors"
	"fmt"
	"github.com/rdlucklib/rdluck_tools/http"
	"hongze/hongze_edb_lib/services/alarm_msg"
	"hongze/hongze_edb_lib/utils"
	"time"
)

type EdbDataFromWind struct {
	Close     map[string]float64 `json:"CLOSE"`
	Dt        map[string]int64   `json:"DT"`
	ErrorCode map[string]int64   `json:"ErrorCode"`
	ErrMsg    string
}

// GetEdbDataFromWind 获取wind数据
func GetEdbDataFromWind(edbCode, startDate, endDate string) (item *EdbDataFromWind, err error) {
	windUrl, err := GetWindUrl(edbCode)
	if err != nil {
		go alarm_msg.SendAlarmMsg(fmt.Sprintf("获取wind服务器地址失败，err:%s", err.Error()), 3)
		return
	}
	thsUrl := windUrl + `edbInfo/wind?EdbCode=%s&StartDate=%s&EndDate=%s`
	thsUrl = fmt.Sprintf(thsUrl, edbCode, startDate, endDate)
	utils.FileLog.Info(fmt.Sprintf("windUrl:%s", thsUrl))
	body, err := http.Get(thsUrl)
	fmt.Println("GetEdbDataByWind body:")
	fmt.Println(string(body))
	utils.FileLog.Info(fmt.Sprint("wind result:", string(body)))

	if err != nil {
		return
	}
	item = new(EdbDataFromWind)
	err = json.Unmarshal(body, &item)

	//异常的话，需要邮件通知
	if len(item.ErrorCode) > 0 {
		if item.ErrorCode["0"] != 0 {
			go alarm_msg.SendAlarmMsg(fmt.Sprintf("wind数据服务异常，edbCode：%s，ErrorCode:%d", edbCode, item.ErrorCode["0"]), 3)
		}
	}
	return
}

// GetWindUrl 获取wind的url
func GetWindUrl(edbCode string) (windUrl string, err error) {
	defer func() {
		if err == nil && windUrl == "" {
			err = errors.New("获取wind服务器地址失败，指标超限了")
		}
	}()
	//从缓存中获取
	cacheKey := utils.CACHE_WIND_URL + ":" + edbCode
	windUrl, _ = utils.Rc.RedisString(cacheKey)
	if windUrl != "" {
		return
	}
	//如果缓存中没有的话，那么从配置中获取
	for _, windUrlMap := range utils.Hz_Wind_Data_Url_LIST {
		//判断该url是否被占满了
		count, tmpErr := GetCountEdbCodeInWindUrl(windUrlMap.Url)
		if tmpErr != nil && tmpErr.Error() != "nil returned" {
			err = tmpErr
			return
		}
		if count < windUrlMap.Num {
			windUrl = windUrlMap.Url
			AddEdbCodeInWindUrl(windUrlMap.Url, edbCode)
			return
		}
	}
	return
}

// GetCountEdbCodeInWindUrl 从缓存key中获取已经插入入的指标数
func GetCountEdbCodeInWindUrl(windUrl string) (num int, err error) {
	cacheKey := utils.CACHE_WIND_URL + time.Now().Format(utils.FormatDateUnSpace) + ":" + utils.MD5(windUrl)
	num, err = utils.Rc.RedisInt(cacheKey)
	if err != nil && err.Error() == "redigo: nil returned" {
		err = nil
	}
	return
}

// AddEdbCodeInWindUrl 将指标插入到缓存key中
// @return isInsert bool 是否插入数据，true时为插入数据，false表示数据已存在
func AddEdbCodeInWindUrl(windUrl, edbCode string) (isInsert bool) {
	cacheKey := utils.CACHE_WIND_URL + ":" + edbCode
	isInsert = utils.Rc.SetNX(cacheKey, windUrl, utils.GetTodayLastSecond())

	cacheKey2 := utils.CACHE_WIND_URL + time.Now().Format(utils.FormatDateUnSpace) + ":" + utils.MD5(windUrl)
	utils.Rc.Incrby(cacheKey2, 1)
	return
}