SwordFish_Interface_Service/service/projects.go

package service

import (
	"fmt"
	"sfbase/core"
	"sfbase/elastic"
	"sfbase/global"
	"sfis/db"
	"strconv"
	"strings"
)

var (
	pjt_count    = 100
	pjt_field    = `"_id","area","city","bidamount","firsttime","projectname","s_winner","buyer","buyerclass"`
	pjt_sort     = `{"firsttime":-1}`
	query        = `{"query": {"bool": {"must":[%s],"should":[%s],"minimum_should_match": 1}}}`
	query_string = `{"constant_score": {"boost": 2,"query": {"match_phrase": {"projectname.pname": {"analyzer": "my_ngram","query": "%s","slop": 6}}}}},{"multi_match": {"query": "%s","fields": ["projectname.pname"],"analyzer": "ik","minimum_should_match": "100%%"}}`
	query_winner = `{"term": {"s_winner": "%s"}}`
	SR           = strings.Replace
	HL           = `"highlight": {"pre_tags": [""],"post_tags": [""],"fields": {%s}}`
	highlightStr = `%s: {"fragment_size": %d,"number_of_fragments": 1}`
)

func ProjectListData(projectName, winner, time string) (data *map[string]interface{}) {
	global.Logger.Info("projectName " + projectName)
	global.Logger.Info("winner " + winner)
	global.Logger.Info("time " + time)
	pjt_name := strings.TrimSpace(projectName)
	pjt_len := len([]rune(pjt_name))
	data = &map[string]interface{}{}
	qstr := ""
	if pjt_len >= 4 && winner == "" {
		qstr = fmt.Sprintf(query, "", fmt.Sprintf(query_string, pjt_name, pjt_name))
	} else if pjt_len >= 4 && winner != "" {
		qstr = fmt.Sprintf(query, fmt.Sprintf(query_winner, winner), fmt.Sprintf(query_string, pjt_name, pjt_name))
	} else if winner != "" {
		qstr = fmt.Sprintf(query, fmt.Sprintf(query_winner, winner), "")
	} else {
		return
	}
	INDEX := core.GetStringConf("es.project.index")
	TYPE := core.GetStringConf("es.project.itype")
	Es := db.GetEs()
	global.Logger.Info("INDEX " + INDEX)
	global.Logger.Info("TYPE " + TYPE)
	repl := GetAllByNgram(Es, INDEX, TYPE, qstr, "", pjt_sort, pjt_field, 0, pjt_count, 0, false)
	if repl != nil && len(*repl) > 0 {
		(*data)["data"] = repl
	}
	return
}

func GetAllByNgram(Es *elastic.Elastic, index, itype, qstr, findfields, order, fields string, start, limit, count int, highlight bool) *[]map[string]interface{} {
	if qstr != "" {
		if highlight {
			ws := []string{}
			for _, w := range strings.Split(findfields, ",") {
				ws = append(ws, fmt.Sprintf(highlightStr, w, count))
			}
			qstr = qstr[:len(qstr)-1] + `,` + fmt.Sprintf(HL, strings.Join(ws, ",")) + `}`
		}
		if len(fields) > 0 {
			qstr = qstr[:len(qstr)-1] + `,"_source":[` + fields + "]}"
		}
		if len(order) > 0 {
			qstr = qstr[:len(qstr)-1] + `,"sort":[` + SR(SR(SR(SR(order, ",", "},{", -1), " ", "", -1), ":-1", `:"desc"`, -1), ":1", `:"asc"`, -1) + `]}`
		}
		if start > -1 {
			qstr = qstr[:len(qstr)-1] + `,"from":` + strconv.Itoa(start) + `,"size":` + strconv.Itoa(limit) + "}"
		}
		global.Logger.Info("GetAllByNgram：" + qstr)
		return Es.Get(index, itype, qstr)
	} else {
		return nil
	}
}