jy_docs/services/stdlib/docService.go

package stdlib

import (
	"fmt"
	"log"
	"regexp"
	"strings"

	"app.yhyue.com/moapp/jy_docs/rpc/stdlib/stdlib"
	"app.yhyue.com/moapp/jy_docs/services/model"
	jyDocsRpcUtil "app.yhyue.com/moapp/jy_docs/services/util"
	"app.yhyue.com/moapp/jybase/common"
	elastic "app.yhyue.com/moapp/jybase/esv7"
)

const (
	Es_Query_All       = `{"query":{"match_all":{}}%s}`
	Es_Query_Boosting  = `{"query":{"boosting":{"positive":{"bool":{"must":[%s]}},"negative":{"bool":{"must":[%s]}},"negative_boost":2}}%s}`
	Es_Query_Bool      = `{"query":{"bool":{"filter":[%s]}}%s}`
	Es_Query_Append    = `,"_source":["id","docName","price","downTimes","viewTimes","docSummary","uploadDate","docFileSize","docPageSize","docFileType","previewImgId"],"from":%d,"size":%d`
	Es_Query_Highlight = `,"highlight":{"fields":{"docName":{},"docSummary":{"fragment_size":300,"number_of_fragments":1}}}`
	Es_Query_Sort      = `,"sort":{%s}`
	Multi_Match        = `{"multi_match":{"query":"%s","fields":["docName","docSummary^2"]}}`
	Multi_Match_Phrase = `{"multi_match":{"query":"%s","fields":["docName.docName_c","docSummary.docSummary_c"],"type":"phrase"}}`
	Terms              = `{"terms":{"%s":[%s]}}`
)

var (
	Reg = regexp.MustCompile(`\s+`)
)

func FindDocumentById(id int) {
	log.Println(jyDocsRpcUtil.GetJyDocsDB().Exec("select * from ").Error)
}

func DocQuery(in *stdlib.DocQueryRequest, searchSource []string) *stdlib.DocQueryResponse {
	defer common.Catch()
	in.KeyWord = strings.TrimSpace(in.KeyWord)
	musts := []string{}
	negative_musts := []string{}
	sorts := []string{}
	//搜索词
	if in.KeyWord != "" {
		sorts = append(sorts, `"_score":"desc"`)
		for _, v := range strings.Split(in.KeyWord, " ") {
			v = strings.ReplaceAll(v, `"`, `\"`)
			musts = append(musts, fmt.Sprintf(Multi_Match, v))
			negative_musts = append(negative_musts, fmt.Sprintf(Multi_Match_Phrase, v))
		}
	}
	for _, v := range in.Sort {
		if strings.HasPrefix(v, "-") {
			sorts = append(sorts, fmt.Sprintf(`"%s":"desc"`, strings.TrimLeft(v, "-")))
		} else {
			sorts = append(sorts, fmt.Sprintf(`"%s":"asc"`, v))
		}
	}
	//分类
	if len(in.DocClass) > 0 {
		musts = append(musts, fmt.Sprintf(Terms, "docClass", `"`+strings.Join(in.DocClass, `","`)+`"`))
	}
	//标签
	if len(in.DocTag) > 0 {
		musts = append(musts, fmt.Sprintf(Terms, "docTags", `"`+strings.Join(in.DocTag, `","`)+`"`))
	}
	query := ""
	query_sort := ""
	if len(sorts) > 0 {
		query_sort = fmt.Sprintf(Es_Query_Sort, strings.Join(sorts, ","))
	}
	query_append := fmt.Sprintf(Es_Query_Append, (in.PageNum-1)*in.PageSize, in.PageSize)
	if searchSource != nil && len(searchSource) > 0 {
		musts = append(musts, fmt.Sprintf(Terms, "source", strings.Join(searchSource, `,`)))
	}
	if len(musts) == 0 {
		query = fmt.Sprintf(Es_Query_All, fmt.Sprint(query_append, query_sort))
	} else if in.KeyWord != "" {
		query = fmt.Sprintf(Es_Query_Boosting, strings.Join(musts, ","), strings.Join(negative_musts, ","), fmt.Sprint(query_append, query_sort, Es_Query_Highlight))
	} else {
		query = fmt.Sprintf(Es_Query_Bool, strings.Join(musts, ","), fmt.Sprint(query_append, query_sort))
	}
	log.Println("query：", query)
	total, list := elastic.GetBySearchType(model.Es_JyDoc, "dfs_query_then_fetch", query)
	docs := []*stdlib.Doc{}
	//获取我购买的文档
	if list != nil {
		myDocs := map[string]int64{}
		if in.UserId != "" {
			docIds, whs := []interface{}{}, []string{}
			for _, v := range *list {
				whs = append(whs, "?")
				docIds = append(docIds, common.ObjToString(v["id"]))
			}
			args := []interface{}{in.UserId, model.UserDocStatus_Normal, in.AppId}
			args = append(args, docIds...)
			userDocs := []*model.UserDoc{}
			jyDocsRpcUtil.GetJyDocsDB().Exec(`select docId from user_doc where userId=? and isDelete=? and appId=? and isDownload=1 and docId in (`+strings.Join(whs, ",")+`)`, args...).Find(&userDocs)
			for _, v := range userDocs {
				myDocs[v.DocId] = 1
			}
		}
		for _, v := range *list {
			doc := &stdlib.Doc{
				DocId:        common.ObjToString(v["id"]),
				DocName:      common.ObjToString(v["docName"]),
				Price:        common.Int64All(v["price"]),
				DocPageSize:  common.Int64All(v["docPageSize"]),
				DocFileSize:  common.Int64All(v["docFileSize"]),
				DownTimes:    common.Int64All(v["downTimes"]),
				ViewTimes:    common.Int64All(v["viewTimes"]),
				UploadDate:   common.ObjToString(v["uploadDate"]),
				DocSummary:   common.ObjToString(v["docSummary"]),
				DocFileType:  model.DocFileType[common.IntAll(v["docFileType"])],
				PreviewImgId: common.ObjToString(v["previewImgId"]),
			}
			highlight, _ := v["highlight"].(map[string][]string)
			if len(highlight["docName"]) > 0 {
				doc.DocName = highlight["docName"][0]
			}
			if len(highlight["docSummary"]) > 0 {
				doc.DocSummary = highlight["docSummary"][0]
			}
			doc.IsDownload = myDocs[doc.DocId]
			docs = append(docs, doc)
		}
	}
	return &stdlib.DocQueryResponse{
		Total: total,
		Docs:  docs,
		Code:  1,
	}
}