pushpkg/recommend/recommend.go

package recommend

import (
	"fmt"
	"strings"

	. "app.yhyue.com/moapp/jybase/common"
	"app.yhyue.com/moapp/jybase/encrypt"
	elastic "app.yhyue.com/moapp/jybase/es"
	. "app.yhyue.com/moapp/jybase/mysql"
	. "bp.jydev.jianyu360.cn/BaseService/pushpkg/p"
)

const (
	fields     = `"_id","title","area","publishtime","buyerclass","s_subscopeclass","bidamount","budget","subtype","toptype"`
	searchTmpl = `您搜索的“%s”有新的机会`
	visitTmpl  = `您浏览过的“%s”项目有同类项目`
	subsetTmpl = `您订阅的“%s”有新的机会`
)

var (
	VarRecommend = &Recommend{}
	query        = `{"query":{"bool":{"must":[{"terms":{"autoid":[%s]}}]}},"_source":[` + fields + `],"sort":[{"publishtime":"desc"}],"from":0,"size":%d}`
	newestQuery  = `{"query":{"bool":{"must":[{"match_all":{}}]}},"_source":[` + fields + `],"sort":[{"publishtime":"desc"}],"size":%d}`
)

type Recommend struct {
	newest *[]map[string]interface{}
}

func (r *Recommend) SetNewest(size int) {
	r.newest = elastic.Get(Es_Bidding, Es_Bidding, fmt.Sprintf(newestQuery, size))
}
func (r *Recommend) SubRecommend(tidb *Mysql, domain, userId, content string, mailPush, limit int) (string, string, string, string, int) {
	list, area := r.getList(tidb, userId, limit)
	if area == "" {
		area = "全国"
	}
	if list == nil || len(*list) == 0 {
		list = r.newest
	}
	if list == nil || len(*list) == 0 {
		return "", "", "", "", 0
	}
	mailContent := ""
	firstTitle := ""
	infosLength := 0
	jcly := ""
	for k, v := range *list {
		if k == 0 {
			matchkeys := ObjToString(v["matchkeys"])
			if typ := Int64All(v["type"]); typ == 1 {
				jcly = fmt.Sprintf(subsetTmpl, ShortenTxt(20, fmt.Sprintf(subsetTmpl, ""), matchkeys))
			} else if typ == 2 {
				jcly = fmt.Sprintf(searchTmpl, ShortenTxt(20, fmt.Sprintf(searchTmpl, ""), matchkeys))
			} else if typ == 3 {
				jcly = fmt.Sprintf(visitTmpl, ShortenTxt(20, fmt.Sprintf(visitTmpl, ""), matchkeys))
			}
		}
		infosLength++
		info := NewBiddingInfo(v, []string{})
		if infosLength == 1 {
			firstTitle = info.ClearTitle
		}
		if mailPush == 1 { //关于邮件的处理
			url := fmt.Sprintf("%s/article/mailprivate/%s.html", domain, encrypt.CommonEncodeArticle("mailprivate", info.Id))
			acountClassName := "none_a"
			if info.Acount != "" {
				acountClassName = "acount"
			}
			industryClassName := ""
			if info.Buyerclass != "" {
				industryClassName = "buyerclass"
			}
			areaClassName := ""
			if info.Area != "" {
				areaClassName = "area"
			}
			typeClassName := ""
			if info.Infotype != "" {
				typeClassName = "type"
			}
			mailContent += fmt.Sprintf(content, infosLength, url, info.HighlightTitle, areaClassName, info.Area, typeClassName, info.Infotype, industryClassName, info.Buyerclass, acountClassName, info.Acount, info.PublishtimeDiff)
		}
	}
	return firstTitle, area, jcly, mailContent, infosLength
}

//
func (r *Recommend) getList(tidb *Mysql, userId string, limit int) (*[]map[string]interface{}, string) {
	datas := tidb.SelectBySql(`select type,autoid,area,matchkeys from push.sub_recommend_list where userid=? order by create_time desc limit ?`, userId, limit)
	if datas == nil || len(*datas) == 0 {
		return nil, ""
	}
	areaMap := map[string]bool{}
	ids := []string{}
	areas := []string{}
	for _, v := range *datas {
		ids = append(ids, fmt.Sprint(Int64All(v["autoid"])))
		area, _ := (*datas)[0]["area"].(string)
		for _, vv := range strings.Split(area, " ") {
			if !areaMap[vv] {
				areas = append(areas, vv)
			}
			areaMap[vv] = true
		}
	}
	if len(ids) == 0 {
		return nil, ""
	}
	list := elastic.Get(Es_Bidding, Es_Bidding, fmt.Sprintf(query, strings.Join(ids, ","), limit))
	area := "全国"
	if !areaMap[area] {
		area = strings.Join(areas, " ")
	}
	return list, area
}