func (d *DataSourceController) ConnectToDataSourceDB(payload toolkit.M) (int, []toolkit.M, *colonycore.DataBrowser, error) {
	var hasLookup bool
	toolkit.Println("payload : ", payload)
	if payload.Has("haslookup") {
		hasLookup = payload.Get("haslookup").(bool)
	}
	_id := toolkit.ToString(payload.Get("browserid", ""))
	sort := payload.Get("sort")
	search := payload.Get("search")
	_ = search
	take := toolkit.ToInt(payload.Get("take", ""), toolkit.RoundingAuto)
	skip := toolkit.ToInt(payload.Get("skip", ""), toolkit.RoundingAuto)

	TblName := toolkit.M{}
	payload.Unset("browserid")
	//sorter = ""
	if sort != nil {
		tmsort, _ := toolkit.ToM(sort.([]interface{})[0])
		fmt.Printf("====== sort %#v\n", tmsort["dir"])
		if tmsort["dir"] == "asc" {
			sorter = tmsort["field"].(string)
		} else if tmsort["dir"] == "desc" {
			sorter = "-" + tmsort["field"].(string)
		} else if tmsort["dir"] == nil {
			sorter = " "
		}
	} else {
		sorter = " "
	}

	dataDS := new(colonycore.DataBrowser)
	err := colonycore.Get(dataDS, _id)
	if err != nil {
		return 0, nil, nil, err
	}

	dataConn := new(colonycore.Connection)
	err = colonycore.Get(dataConn, dataDS.ConnectionID)
	if err != nil {
		return 0, nil, nil, err
	}

	if err := d.checkIfDriverIsSupported(dataConn.Driver); err != nil {
		return 0, nil, nil, err
	}

	connection, err := helper.ConnectUsingDataConn(dataConn).Connect()
	if err != nil {
		return 0, nil, nil, err
	}

	if dataDS.QueryType == "" {
		TblName.Set("from", dataDS.TableNames)
		payload.Set("from", dataDS.TableNames)
	} else if dataDS.QueryType == "Dbox" {
		getTableName := toolkit.M{}
		toolkit.UnjsonFromString(dataDS.QueryText, &getTableName)
		payload.Set("from", getTableName.Get("from").(string))

		if qSelect := getTableName.Get("select", "").(string); qSelect != "" {
			payload.Set("select", getTableName.Get("select").(string))
		}
	} else if dataDS.QueryType == "SQL" {
		var QueryString string
		if dataConn.Driver == "mysql" || dataConn.Driver == "hive" {
			QueryString = " LIMIT " + toolkit.ToString(take) + " OFFSET " + toolkit.ToString(skip)
		} else if dataConn.Driver == "mssql" {
			QueryString = " OFFSET " + toolkit.ToString(skip) + " ROWS FETCH NEXT " +
				toolkit.ToString(take) + " ROWS ONLY "

		} else if dataConn.Driver == "postgres" {
			QueryString = " LIMIT " + toolkit.ToString(take) +
				" OFFSET " + toolkit.ToString(skip)
		}
		stringQuery := toolkit.Sprintf("%s %s", dataDS.QueryText, QueryString)
		payload.Set("freetext", stringQuery)
		// toolkit.Println(stringQuery)
	}

	qcount, _ := d.parseQuery(connection.NewQuery(), TblName)
	query, _ := d.parseQuery(connection.NewQuery() /*.Skip(skip).Take(take) .Order(sorter)*/, payload)

	var selectfield string
	for _, metadata := range dataDS.MetaData {
		tField := metadata.Field
		if payload.Has(tField) {
			selectfield = toolkit.ToString(tField)
			if toolkit.IsSlice(payload[tField]) {
				query = query.Where(dbox.In(tField, payload[tField].([]interface{})...))
				qcount = qcount.Where(dbox.In(tField, payload[tField].([]interface{})...))
			} else if !toolkit.IsNilOrEmpty(payload[tField]) {
				var hasPattern bool
				for _, val := range querypattern {
					if strings.Contains(toolkit.ToString(payload[tField]), val) {
						hasPattern = true
					}
				}
				if hasPattern {
					query = query.Where(dbox.ParseFilter(toolkit.ToString(tField), toolkit.ToString(payload[tField]),
						toolkit.ToString(metadata.DataType), ""))
					qcount = qcount.Where(dbox.ParseFilter(toolkit.ToString(tField), toolkit.ToString(payload[tField]),
						toolkit.ToString(metadata.DataType), ""))
				} else {
					switch toolkit.ToString(metadata.DataType) {
					case "int":
						query = query.Where(dbox.Eq(tField, toolkit.ToInt(payload[tField], toolkit.RoundingAuto)))
						qcount = qcount.Where(dbox.Eq(tField, toolkit.ToInt(payload[tField], toolkit.RoundingAuto)))
					case "float32":
						query = query.Where(dbox.Eq(tField, toolkit.ToFloat32(payload[tField], 2, toolkit.RoundingAuto)))
						qcount = qcount.Where(dbox.Eq(tField, toolkit.ToFloat32(payload[tField], 2, toolkit.RoundingAuto)))
					case "float64":
						query = query.Where(dbox.Eq(tField, toolkit.ToFloat64(payload[tField], 2, toolkit.RoundingAuto)))
						qcount = qcount.Where(dbox.Eq(tField, toolkit.ToFloat64(payload[tField], 2, toolkit.RoundingAuto)))
					default:
						query = query.Where(dbox.Contains(tField, toolkit.ToString(payload[tField])))
						qcount = qcount.Where(dbox.Contains(tField, toolkit.ToString(payload[tField])))
					}
				}
			}
		}
	}

	if hasLookup && selectfield != "" {
		if toolkit.HasMember(ds_flatfile, dataConn.Driver) {
			query = query.Select(selectfield)
			qcount = qcount.Select(selectfield)
		} else {
			query = query.Select(selectfield).Group(selectfield)
			qcount = qcount.Select(selectfield).Group(selectfield)
		}

	}

	ccount, err := qcount.Cursor(nil)
	if err != nil {
		return 0, nil, nil, err
	}
	defer ccount.Close()

	dcount := ccount.Count()

	cursor, err := query.Cursor(nil)
	if err != nil {
		return 0, nil, nil, err
	}
	defer cursor.Close()

	data := []toolkit.M{}
	cursor.Fetch(&data, 0, false)

	if err != nil {
		return 0, nil, nil, err
	}

	if hasLookup && selectfield != "" && !toolkit.HasMember(ds_rdbms, dataConn.Driver) &&
		!toolkit.HasMember(ds_flatfile, dataConn.Driver) {
		dataMongo := []toolkit.M{}
		for _, val := range data {
			mVal, _ := toolkit.ToM(val.Get("_id"))
			dataMongo = append(dataMongo, mVal)
		}
		data = dataMongo
	} else if hasLookup && selectfield != "" && toolkit.HasMember(ds_flatfile, dataConn.Driver) {
		/*distinct value for flat file*/
		dataFlat := []toolkit.M{}
		var existingVal = []string{""}
		for _, val := range data {
			valString := toolkit.ToString(val.Get(selectfield))
			if !toolkit.HasMember(existingVal, valString) {
				dataFlat = append(dataFlat, val)
				existingVal = append(existingVal, valString)
			}
		}
		data = dataFlat
	}

	return dcount, data, dataDS, nil
}
Beispiel #2
0
func TestParse(t *testing.T) {
	//defer killApp()
	f := dbox.ParseFilter("city", "!Surabaya,Medan..", "", "")
	toolkit.Printf("F Value: %s \n", toolkit.JsonString(f))
}