blog_backend_api/model/port.go

package model

import (
	"background/db"
	"github.com/go-openapi/errors"
	json "github.com/json-iterator/go"
	"qiniupkg.com/x/log.v7"
	"strings"
	"ubntgo/logger"
)

type Field struct {
	Field string  `sql:"Field"`
	Type string  `sql:"Type"`
	Key string `sql:"Key"`
}


func MysqlToElasticSearchMapping(types string,Key string) string{
	if Key == "PRI"{
		return "keyword"
	}
	if(strings.Contains(types,"int(")){
		return "interger"
	}
	if(strings.Contains(types,"longblob")){
		return "text"
	}
	if(strings.Contains(types,"varchar")){
		return "text"
	}
	if(strings.Contains(types,"datetime")){
		return "date"
	}
	return ""
}
/*
`"mappings":{
		"hardware":{
            "properties":{
                "id":{"type":"keyword"},
				"name":{"type":"keyword"},
				"desc":{"type":"text"},
				"pic":{"type":"doc"},
				"doc":{"type":"doc"}
            }
	}
	}`
*/
// 不同类型db之间进行缓存
func PortDocumentToElasticsearch(tblname string )  error{
	columns := []Field{}

	e := db.GetMysqlClient().Query2("describe " + tblname,&columns)
	if nil != e{
		logger.Debug(e.Error())
		return e
	}
	if existed,_ := db.GetElastic().IndexExisted("doc");existed{
		return errors.New(203,"data existed")
	}
	mapping := map[string]interface{}{}
	indexprops := map[string]interface{}{}

	mapping["mapping"] = map[string]interface{}{}
	mapping["mapping"].(map[string]interface{})[tblname] = map[string]interface{}{}
	mapping["mapping"].(map[string]interface{})[tblname].(map[string]interface{})["properties"] = indexprops

	for _,v := range columns{
		indexprops[v.Field] = map[string]string{};
		indexprops[v.Field].(map[string]string)["type"] = MysqlToElasticSearchMapping(v.Type,v.Key)
	}
	dat,e := json.Marshal(mapping)
	if nil != e{
		log.Print(e.Error())
	}
	e = db.GetElastic().CreateIndex(tblname,string(dat))
	if nil != e{
		log.Print(e.Error())
	}
	return nil
}