1/trading-go/util/search.go

package util

import (
	"fmt"
	"github.com/go-ego/riot"
	"github.com/go-ego/riot/types"
	"trading-go/common"
)

var searcher = riot.Engine{}

type Index struct {
	Id    uint   `db:"id"`
	Desc  string `db:"desc"`
	Title string `db:"title"`
}

func init() {
	searcher.Init(types.EngineOpts{
		Using:   3,
		GseDict: "zh",
	})
	var index []Index
	db := common.DB
	sqlStr := "SELECT id, `desc`, title FROM goods"
	err := db.Select(&index, sqlStr)
	if err != nil {
		fmt.Println("[search engine] ----->>> search engine restore failed")
		return
	}
	for i := 0; i < len(index); i++ {
		NewIndex(index[i].Id, index[i].Desc+index[i].Title)
	}
}

func NewIndex(ID uint, doc string) {
	searcher.Index(fmt.Sprintf("%d", ID), types.DocData{Content: doc}, true)
	fmt.Println("[search engine] ----->>> ok")
	searcher.Flush()
}

func SearchId(keys string) (ids []string) {
	docs := searcher.Search(types.SearchReq{Text: keys}).Docs.(types.ScoredDocs)
	for i := 0; i < len(docs); i++ {
		ids = append(ids, docs[i].DocId)
	}
	return
}

func DelIndex(ID uint) {
	searcher.RemoveDoc(fmt.Sprintf("%d", ID), true)
	fmt.Println("[search engine] ----->>> ok")
	searcher.Flush()
}