Ejemplo n.º 1
0
func (s *SliceBase) SetData(data interface{}) error {
	if !toolkit.IsPointer(data) || !toolkit.IsSlice(data) {
		return errors.New("crowd.SliceBase.SetData: data is not pointer of slice")
	}

	s.data = data
	return nil
}
Ejemplo n.º 2
0
func (q *Query) Exec(parm toolkit.M) (e error) {
	data := parm.Get("data")
	driverName := q.GetDriverDB()

	if toolkit.IsSlice(data) && driverName == "mssql" {
		e = q.insertBulk(parm)
	} else {
		_, e = q.ExecOut(parm)
	}
	return e
}
Ejemplo n.º 3
0
func NewSorter(data interface{}, fnsort FnCrowd) (s *Sorter, e error) {
	if !toolkit.IsPointer(data) || !toolkit.IsSlice(data) {
		e = errors.New("crowd.NewSorter: data is not pointer of slice")
		return
	}

	s = new(Sorter)
	s.data = data
	s.FnSort = _fn(fnsort)
	return
}
Ejemplo n.º 4
0
//func Find(ms []toolkit.M, filters []*Filter) (output []int) {
func Find(ms interface{}, filters []*Filter) (output []int) {
	//-- is not a slice
	if !toolkit.IsSlice(ms) {
		toolkit.Println("Data is not slice")
		return []int{}
	}

	//toolkit.Printf("Find:%s Filter:%s\n", toolkit.JsonString(ms), toolkit.JsonString(filters))
	sliceLen := toolkit.SliceLen(ms)
	for i := 0; i < sliceLen; i++ {
		var v toolkit.M
		item := toolkit.SliceItem(ms, i)
		e := toolkit.Serde(item, &v, "json")
		if e == nil {
			match := MatchM(v, filters)
			if match {
				output = append(output, i)
			}
		} else {
			//toolkit.Println("Serde Fail: ", e.Error(), " Data: ", item)
		}
	}
	return
}
Ejemplo n.º 5
0
func (q *Query) insertBulk(parm toolkit.M) error {

	var e error
	if parm == nil {
		parm = toolkit.M{}
	}

	driverName := q.GetDriverDB()
	// driverName = "oracle"
	tablename := ""
	data := parm.Get("data")

	var attributes string

	var dataM toolkit.M
	var dataMs []toolkit.M

	if toolkit.IsSlice(data) {
		e = toolkit.Unjson(toolkit.Jsonify(data), &dataMs)
		if e != nil {
			return errorlib.Error(packageName, modQuery, "Exec: data extraction", "Data encoding error: "+e.Error())
		}
	} else {
		dataM, e = toolkit.ToM(data)
		dataMs = append(dataMs, dataM)
		if e != nil {
			return errorlib.Error(packageName, modQuery, "Exec: data extraction", "Data encoding error: "+e.Error())
		}
	}

	temp := ""
	quyerParts := q.Parts()
	c := crowd.From(&quyerParts)
	groupParts := c.Group(func(x interface{}) interface{} {
		qp := x.(*dbox.QueryPart)
		temp = toolkit.JsonString(qp)
		return qp.PartType
	}, nil).Exec()
	parts := map[interface{}]interface{}{}
	if len(groupParts.Result.Data().([]crowd.KV)) > 0 {
		for _, kv := range groupParts.Result.Data().([]crowd.KV) {
			parts[kv.Key] = kv.Value
		}
	}

	commandType := ""

	_, hasInsert := parts[dbox.QueryPartInsert]

	if hasInsert {
		commandType = dbox.QueryPartInsert
	} else {
		_, e = q.ExecOut(parm)
		return e
		// return errorlib.Error(packageName, "Query", modQuery+".InsertBulk", "Invalid Operation")
	}

	fromParts, hasFrom := parts[dbox.QueryPartFrom]

	if !hasFrom {
		return errorlib.Error(packageName, "Query", modQuery, "Invalid table name")
	}
	tablename = fromParts.([]*dbox.QueryPart)[0].Value.(string)

	session := q.Session()
	attributeList := extractFields(dataMs[0])

	var datas []string

	for _, dataVal := range dataMs {
		var values string
		tmp := toolkit.M{}

		for _, attr := range attributeList {
			tmp.Set(attr, dataVal.Get(attr))
		}

		values = extractDataBulk(attributeList, tmp, driverName)
		// toolkit.Printf("test: \n %v \n------\n %v \n------\n %v \n------\n %v \n", attributeList, dataVal, tmp, values)

		datas = append(datas, values)
	}

	attributes = "(" + strings.Join(attributeList, ",") + ")"

	if attributes != "" && nil != datas {
		var statement string
		if driverName == "hive" {
			/*statement = "INSERT INTO " + tablename + " VALUES " + values
			e = sessionHive.Exec(statement, nil)*/
			return errorlib.Error(packageName, modQuery+".Exec", commandType,
				"Not Implemented Yet for HIVE")
		} else {
			statement = fmt.Sprintf("INSERT INTO "+tablename+" "+attributes+" VALUES %s", strings.Join(datas, ","))
			_, e = session.Exec(statement)
		}

		if e != nil {
			return errorlib.Error(packageName, modQuery+".Exec", commandType,
				cast.ToString(e.Error()))
		}
	} else {
		return errorlib.Error(packageName, modQuery+".Exec", commandType,
			"please provide the data")
	}

	return nil
}
Ejemplo n.º 6
0
func (q *Query) ExecOut(parm toolkit.M) (int64, error) {
	var e error
	if parm == nil {
		parm = toolkit.M{}
	}

	driverName := q.GetDriverDB()
	// driverName = "oracle"
	tablename := ""
	data := parm.Get("data")

	var attributes string
	var values string
	var setUpdate string

	var dataM toolkit.M
	var dataMs []toolkit.M
	var returnId int64

	if toolkit.IsSlice(data) {
		e = toolkit.Unjson(toolkit.Jsonify(data), &dataMs)
		if e != nil {
			return returnId, errorlib.Error(packageName, modQuery, "Exec: data extraction", "Data encoding error: "+e.Error())
		}
	} else {
		dataM, e = toolkit.ToM(data)
		dataMs = append(dataMs, dataM)
		if e != nil {
			return returnId, errorlib.Error(packageName, modQuery, "Exec: data extraction", "Data encoding error: "+e.Error())
		}
	}

	for _, dataVal := range dataMs {
		temp := ""
		quyerParts := q.Parts()
		c := crowd.From(&quyerParts)
		groupParts := c.Group(func(x interface{}) interface{} {
			qp := x.(*dbox.QueryPart)
			temp = toolkit.JsonString(qp)
			return qp.PartType
		}, nil).Exec()
		parts := map[interface{}]interface{}{}
		if len(groupParts.Result.Data().([]crowd.KV)) > 0 {
			for _, kv := range groupParts.Result.Data().([]crowd.KV) {
				parts[kv.Key] = kv.Value
			}
		}

		commandType := ""

		_, hasDelete := parts[dbox.QueryPartDelete]
		_, hasInsert := parts[dbox.QueryPartInsert]
		_, hasUpdate := parts[dbox.QueryPartUpdate]
		_, hasSave := parts[dbox.QueryPartSave]

		if hasDelete {
			commandType = dbox.QueryPartDelete
		} else if hasInsert {
			commandType = dbox.QueryPartInsert
		} else if hasUpdate {
			commandType = dbox.QueryPartUpdate
		} else if hasSave {
			commandType = dbox.QueryPartSave
		}

		if hasInsert || hasUpdate || hasSave {
			attributes, setUpdate, values = extractData(dataVal, driverName)
		} else if hasDelete {

		}

		fromParts, hasFrom := parts[dbox.QueryPartFrom]
		if !hasFrom {
			return returnId, errorlib.Error(packageName, "Query", modQuery, "Invalid table name")
		}
		tablename = fromParts.([]*dbox.QueryPart)[0].Value.(string)

		var where interface{}
		whereParts, hasWhere := parts[dbox.QueryPartWhere]
		if hasWhere {
			fb := q.Connection().Fb()
			for _, p := range whereParts.([]*dbox.QueryPart) {
				fs := p.Value.([]*dbox.Filter)
				for _, f := range fs {
					fb.AddFilter(f)
				}
			}

			where, e = fb.Build()
			if e != nil {

			} else {

			}

		}

		var id string
		var idVal interface{}

		if where == nil {
			id, idVal = toolkit.IdInfo(dataVal)
			if id != "" {
				where = id + " = " + StringValue(idVal, "non")
			}
		}

		session := q.Session()
		sessionHive := q.SessionHive()

		if commandType == dbox.QueryPartInsert {
			if attributes != "" && values != "" {
				var statement string
				if driverName == "hive" {
					statement = "INSERT INTO " + tablename + " VALUES " + values
					e = sessionHive.Exec(statement, nil)
				} else {
					statement = "INSERT INTO " + tablename + " " + attributes + " VALUES " + values
					var res sql.Result
					res, e = session.Exec(statement)
					if res != nil {
						returnId, _ = res.LastInsertId()
					}
				}

				if e != nil {
					return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
						cast.ToString(e.Error()))
				}
			} else {
				return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
					"please provide the data")
			}
		} else if commandType == dbox.QueryPartUpdate {
			if setUpdate != "" {
				var statement string
				if where != nil {
					statement = "UPDATE " + tablename + " SET " + setUpdate +
						" WHERE " + cast.ToString(where)
				} else {
					statement = "UPDATE " + tablename + " SET " + setUpdate
				}
				if driverName == "hive" {
					e = sessionHive.Exec(statement, nil)
				} else {
					_, e = session.Exec(statement)
				}
				if e != nil {
					return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
						cast.ToString(e.Error()))
				}
			} else {
				return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
					"please provide the data")
			}

		} else if commandType == dbox.QueryPartDelete {
			var statement string
			if where != nil {
				statement = "DELETE FROM " + tablename + " where " + cast.ToString(where)
			} else {
				statement = "DELETE FROM " + tablename
			}
			if driverName == "hive" {
				e = sessionHive.Exec(statement, nil)
			} else {
				_, e = session.Exec(statement)
			}
			if e != nil {
				return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
					cast.ToString(e.Error()))
			}
		} else if commandType == dbox.QueryPartSave {
			if attributes != "" && values != "" {
				var querystmt string
				if where != nil {
					querystmt = "select 1 as data from " + tablename + " where " + cast.ToString(where)
				}
				var rowCount int
				if driverName == "hive" {
					rowCount = 0
					// row := sessionHive.Exec(querystmt, nil)
					// rowCount = toolkit.ToInt(row[0], "auto")
				} else {
					if querystmt != "" {
						rows, _ := session.Query(querystmt)
						for rows.Next() {
							rows.Scan(&rowCount)
						}
					}
				}

				var statement string
				if rowCount == 0 || where == nil {
					if driverName == "hive" {
						statement = "INSERT INTO " + tablename + " VALUES " + values
					} else {
						statement = "INSERT INTO " + tablename + " " +
							attributes + " VALUES " + values
					}
				} else {
					statement = "UPDATE " + tablename + " SET " + setUpdate +
						" WHERE " + cast.ToString(where)
				}

				if driverName == "hive" {
					e = sessionHive.Exec(statement, nil)
				} else {
					_, e = session.Exec(statement)
				}
				if e != nil {
					return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
						cast.ToString(e.Error()))
				}

			} else if values == "" {
				return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType,
					"please provide the data")
			}

		}
		if e != nil {
			return returnId, errorlib.Error(packageName, modQuery+".Exec", commandType, e.Error())
		}
	}
	return returnId, nil
}
Ejemplo n.º 7
0
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
}
Ejemplo n.º 8
0
func (c *Cursor) Fetch(m interface{}, n int, closeWhenDone bool) error {
	var source []toolkit.M
	var lower, upper, lenData, lenIndex int
	if c.where == nil {
		lenData = len(c.q.data)
		if c.currentIndex == 0 {
			c.maxIndex = lenData
		}
	} else {
		lenIndex = len(c.indexes)
		if c.currentIndex == 0 {
			c.maxIndex = lenIndex
		}
	}

	if c.currentIndex == 0 && (c.skip > 0 || c.take > 0) { /*determine max data allowed to be fetched*/
		c.maxIndex = c.skip + c.take
	}

	lower = c.currentIndex
	upper = lower + n
	if c.skip > 0 && c.currentIndex < 1 {
		lower += c.skip
	}

	if n == 0 {
		if c.where == nil {
			upper = lenData
		} else {
			upper = lenIndex
		}

		if c.take > 0 {
			upper = lower + c.take
		}

	} else if n == 1 {
		upper = lower + 1

	} else {
		upper = lower + n
		if c.take > 0 && n > c.take {
			upper = lower + c.take
		}
	}

	if c.where == nil {
		if toolkit.SliceLen(c.q.data) > 0 {
			if lower >= lenData {
				return errorlib.Error(packageName, modCursor, "Fetch", "No more data to fetched!")
			}
			if upper >= lenData {
				upper = lenData
			}
		}
	} else {
		if toolkit.SliceLen(c.indexes) > 0 {
			if lower >= lenIndex {
				return errorlib.Error(packageName, modCursor, "Fetch", "No more data to fetched!")
			}
			if upper >= lenIndex {
				upper = lenIndex
			}
		}
	}
	if upper >= c.maxIndex {
		upper = c.maxIndex
	}

	if c.where == nil {
		source = c.q.data[lower:upper]
	} else if len(c.indexes) > 0 {
		for _, v := range c.indexes[lower:upper] {
			/*
				toolkit.Printf("Add index: %d. Source info now: %s \n", v, func() string {
					var ret []string
					for _, id := range source {
						ret = append(ret, id.Get("_id").(string))
					}
					return strings.Join(ret, ",")
				}())
			*/
			if v < len(c.q.data) {
				source = append(source, c.q.data[v])
			}
		}
	}

	if toolkit.SliceLen(c.jsonSelect) > 0 {
		source = getSelected(source, c.jsonSelect)
	}

	var e error

	if n == 1 && !toolkit.IsSlice(m) {
		if len(source) > 0 {
			e = toolkit.Serde(&source[0], m, "json")
		}
	} else {
		e = toolkit.Serde(&source, m, "json")
	}
	c.currentIndex = upper
	if e != nil {
		return errorlib.Error(packageName, modCursor, "Fetch", e.Error())
	}
	//toolkit.Printf("Data: %s\nLower, Upper = %d, %d\nSource: %s\nResult:%s\n\n", toolkit.JsonString(c.q.data), lower, upper, toolkit.JsonString(source), toolkit.JsonString(m))
	return nil
}
Ejemplo n.º 9
0
func (q *Query) Exec(in toolkit.M) error {
	setting, e := q.prepare(in)
	commandType := setting["commandtype"].(string)
	//toolkit.Printf("Command type: %s\n", commandType)
	if e != nil {
		return err.Error(packageName, modQuery, "Exec: "+commandType, e.Error())
	}

	if setting.GetString("commandtype") == dbox.QueryPartSelect {
		return err.Error(packageName, modQuery, "Exec: "+commandType, "Exec is not working with select command, please use .Cursor instead")
	}

	q.Lock()
	defer q.Unlock()

	var dataM toolkit.M
	var dataMs []toolkit.M

	hasData := in.Has("data")
	dataIsSlice := false
	data := in.Get("data")
	if toolkit.IsSlice(data) {
		dataIsSlice = true
		e = toolkit.Unjson(toolkit.Jsonify(data), dataMs)
		if e != nil {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data encoding error: "+e.Error())
		}
	} else {
		dataM, e = toolkit.ToM(data)
		dataMs = append(dataMs, dataM)
		if e != nil {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data encoding error: "+e.Error())
		}
	}

	hasWhere := setting.Has("where")
	where := setting.Get("where", []*dbox.Filter{}).([]*dbox.Filter)
	if hasWhere && len(where) == 0 {
		inWhere := in.Get("where")
		if inWhere == nil {
			hasWhere = false
			where = nil
		} else {
			if !toolkit.IsSlice(inWhere) {
				where = append(where, inWhere.(*dbox.Filter))
			} else {
				where = inWhere.([]*dbox.Filter)
			}
		}
	}

	if hasData && hasWhere == false && toolkit.HasMember([]interface{}{dbox.QueryPartInsert, dbox.QueryPartDelete,
		dbox.QueryPartUpdate, dbox.QueryPartSave}, commandType) {
		hasWhere = true
		//toolkit.Println("check where")
		if toolkit.IsSlice(data) {
			ids := []interface{}{}
			idField := ""
			if idField == "" {
				return err.Error(packageName, modQuery, "Exec: "+commandType, "Data send is a slice, but its element has no ID")
			}
			dataCount := toolkit.SliceLen(data)
			for i := 0; i < dataCount; i++ {
				dataI := toolkit.SliceItem(data, i)
				if i == 0 {
					idField = toolkit.IdField(dataI)
				}
				ids = append(ids, toolkit.Id(dataI))
			}
			where = []*dbox.Filter{dbox.In(idField, ids)}
		} else {
			idfield := "_id"
			id := toolkit.Id(data)
			if !toolkit.IsNilOrEmpty(id) {
				where = []*dbox.Filter{dbox.Eq(idfield, id)}
			} else {
				where = nil
				hasWhere = false
			}
		}
	}
	/*
		toolkit.Printf("CommandType: %s HasData: %v HasWhere: %v Where: %s\n",
			commandType, hasData, hasWhere, toolkit.JsonString(where))
	*/
	e = q.openFile(commandType)
	//toolkit.Printf(commandType+" Open File, found record: %d\nData:%s\n", len(q.data), toolkit.JsonString(q.data))
	if e != nil {
		return err.Error(packageName, modQuery, "Exec: "+commandType, e.Error())
	}

	var indexes []interface{}
	if hasWhere && commandType != dbox.QueryPartInsert {
		whereIndex := dbox.Find(q.data, where)
		indexes = toolkit.ToInterfaceArray(&whereIndex)
		//toolkit.Printf("Where Index: %s Index:%s\n", toolkit.JsonString(whereIndex), toolkit.JsonString(indexes))
	}
	if commandType == dbox.QueryPartInsert {
		if !hasData {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data is empty")
		}
		if !dataIsSlice {
			dataMs = []toolkit.M{dataM}
		}

		//-- validate
		for _, datam := range dataMs {
			idField, idValue := toolkit.IdInfo(datam)
			toolkit.Serde(dbox.Find(q.data, []*dbox.Filter{dbox.Eq(idField, idValue)}), &indexes, "")
			if len(indexes) > 0 {
				return err.Error(packageName, modQuery, "Exec: "+commandType, toolkit.Sprintf("Data %v already exist", idValue))
			}
		}

		//-- insert the data
		q.data = append(q.data, dataMs...)
	} else if commandType == dbox.QueryPartUpdate {

		//-- valida
		if !hasData {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data is empty")
		}

		var dataUpdate toolkit.M
		var updateDataIndex int

		// if it is a slice then we need to update each data passed on its slice
		isDataSlice := toolkit.IsSlice(data)
		if isDataSlice == false {
			isDataSlice = false
			e = toolkit.Serde(data, &dataUpdate, "")
			if e != nil {
				return err.Error(packageName, modQuery, "Exec: "+commandType, "Serde data fail"+e.Error())
			}
		}

		var idField string
		//toolkit.Printf("Indexes: %s\n", toolkit.JsonString(indexes))

		for i, v := range q.data {
			// update only data that match given inde
			if toolkit.HasMember(indexes, i) || !hasWhere {
				if idField == "" {
					idField = toolkit.IdField(v)
					if idField == "" {
						return err.Error(packageName, modQuery, "Exec: "+commandType, "No ID")
					}
				}

				// If dataslice is sent, iterate f
				if isDataSlice {
					e = toolkit.Serde(toolkit.SliceItem(data, updateDataIndex), &dataUpdate, "")
					if e != nil {
						return err.Error(packageName, modQuery, "Exec: "+commandType, "Serde data fail "+e.Error())
					}
					updateDataIndex++
				}
				dataOrigin := q.data[i]
				toolkit.CopyM(&dataUpdate, &dataOrigin, false, []string{"_id"})
				toolkit.Serde(dataOrigin, &v, "")
				q.data[i] = v
			}
		}
	} else if commandType == dbox.QueryPartDelete {
		if hasWhere && len(where) > 0 {
			indexes := dbox.Find(q.data, where)
			if len(indexes) > 0 {
				newdata := []toolkit.M{}
				for index, v := range q.data {
					partOfIndex := toolkit.HasMember(indexes, index)
					if partOfIndex == false {
						newdata = append(newdata, v)
					}
					//toolkit.Println("i:", indexes, ", index:", index, ", p.ofIndex: ", partOfIndex, ", data: ", toolkit.JsonString(newdata))
				}
				q.data = newdata
			}
		} else {
			q.data = []toolkit.M{}
		}
		//toolkit.Printf("Data now: %s\n", toolkit.JsonString(q.data))
	} else if commandType == dbox.QueryPartSave {
		if !hasData {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data is empty")
		}

		var dataMs []toolkit.M
		var dataM toolkit.M
		if !toolkit.IsSlice(data) {
			e = toolkit.Serde(&data, &dataM, "json")
			if e != nil {
				return err.Error(packageName, modQuery, "Exec: "+commandType+" Serde data fail", e.Error())
			}
			dataMs = append(dataMs, dataM)
		} else {
			e = toolkit.Serde(&data, &dataMs, "json")
			if e != nil {
				return err.Error(packageName, modQuery, "Exec: "+commandType+" Serde data fail", e.Error())
			}
		}
		//toolkit.Printf("Saving: %s\n", toolkit.JsonString(dataMs))

		for _, v := range dataMs {
			idField, idValue := toolkit.IdInfo(v)
			indexes := dbox.Find(q.data, []*dbox.Filter{dbox.Eq(idField, idValue)})
			if len(indexes) == 0 {
				q.data = append(q.data, v)
			} else {
				dataOrigin := q.data[indexes[0]]
				//toolkit.Printf("Copy data %s to %s\n", toolkit.JsonString(v), toolkit.JsonString(dataOrigin))
				toolkit.CopyM(&v, &dataOrigin, false, []string{idField})
				q.data[indexes[0]] = dataOrigin
			}
		}
	}
	e = q.writeFile()
	if e != nil {
		return err.Error(packageName, modQuery, "Exec: "+commandType+" Write fail", e.Error())
	}
	return nil
}
Ejemplo n.º 10
0
func (q *Query) Exec(parm toolkit.M) error {
	var (
		e                    error
		updatedValue, dataMs []toolkit.M
		dataM                toolkit.M
	)

	filters, e := q.Filters(parm)
	if e != nil {
		return errorlib.Error(packageName, modQuery, "Exec", e.Error())
	}

	if parm == nil {
		parm = toolkit.M{}
	}

	data := parm.Get("data", nil)
	filePath := q.Connection().(*Connection).filePath
	commandType := filters.Get("cmdType").(string)
	hasWhere := filters.Has("where")
	hasCmdType := toolkit.M{}
	hasData := parm.Has("data")
	getWhere := filters.Get("where", []*dbox.Filter{}).([]*dbox.Filter)
	dataIsSlice := toolkit.IsSlice(data)
	if dataIsSlice {
		e = toolkit.Unjson(toolkit.Jsonify(data), &dataMs)
		if e != nil {
			return errorlib.Error(packageName, modQuery, "Exec: "+commandType, "Data encoding error: "+e.Error())
		}
		for _, v := range dataMs {
			id := toolkit.Id(v)
			idF := toolkit.IdField(v)

			if toolkit.IsNilOrEmpty(id) {
				return errorlib.Error(packageName, modCursor+".Exec", commandType, "Unable to find ID in slice data")
			} else {
				getWhere = []*dbox.Filter{dbox.Eq(idF, id)}
			}
		}
	} else {
		dataM, e = toolkit.ToM(data)
		if e != nil {
			return errorlib.Error(packageName, modQuery, "Exec: "+commandType, "Unable to Map, error: "+e.Error())
		}

		id := toolkit.Id(dataM)
		if !toolkit.IsNilOrEmpty(id) {
			getWhere = []*dbox.Filter{dbox.Eq(toolkit.IdField(dataM), id)}
		}
	}

	var dataMaps []toolkit.M
	q.ReadFile(&dataMaps, filePath)

	if commandType == dbox.QueryPartInsert {
		hasCmdType.Set("hasInsert", true)

		if !hasData {
			return errorlib.Error(packageName, modCursor+".Exec", commandType, "Sorry data not found!, unable to insert data")
		}

		result := dbox.Find(dataMaps, getWhere)
		if len(result) > 0 {
			return errorlib.Error(packageName, modCursor+".Exec", commandType, "ID already exist, unable insert data ")
		}

		if dataIsSlice {
			var sliceData []toolkit.M
			for _, v := range dataMs {
				sliceData = finUpdateObj(dataMaps, v, "insert")
			}
			updatedValue = sliceData
		} else {
			updatedValue = finUpdateObj(dataMaps, dataM, "insert")
		}
	} else if commandType == dbox.QueryPartUpdate {
		hasCmdType.Set("hasUpdate", true)

		if !hasData {
			return errorlib.Error(packageName, modCursor+".Exec", commandType, "Sorry data not found!, unable to update data")
		}

		if hasWhere {
			var indexes []interface{}
			whereIndex := dbox.Find(dataMaps, getWhere)
			indexes = toolkit.ToInterfaceArray(&whereIndex)
			// toolkit.Printf("whereIndex>%v indexes%v\n", whereIndex, indexes)

			var dataUpdate toolkit.M
			var updateDataIndex int
			isDataSlice := toolkit.IsSlice(data)
			if isDataSlice == false {
				isDataSlice = false
				data, e = toolkit.ToM(data)
				if e != nil {
					return errorlib.Error(packageName, modQuery, "Exec: "+commandType, "Serde data fail"+e.Error())
				}

				e = toolkit.Serde(data, &dataUpdate, "")
				if e != nil {
					return errorlib.Error(packageName, modQuery, "Exec: "+commandType, "Serde data fail"+e.Error())
				}
			}

			for i, v := range dataMaps {
				if toolkit.HasMember(indexes, i) || !hasWhere {
					if isDataSlice {
						e = toolkit.Serde(toolkit.SliceItem(data, updateDataIndex), &dataUpdate, "")
						if e != nil {
							return errorlib.Error(packageName, modQuery, "Exec: "+commandType, "Serde data fail"+e.Error())
						}
						updateDataIndex++
					}

					dataOrigin := dataMaps[i]
					toolkit.CopyM(&dataUpdate, &dataOrigin, false, []string{"_id"})
					toolkit.Serde(dataOrigin, &v, "")
					dataMaps[i] = v
				}
			}
			updatedValue = dataMaps
		} else {
			updatedValue = finUpdateObj(dataMaps, dataM, "update")
		}
	} else if commandType == dbox.QueryPartDelete {
		hasCmdType.Set("hasDelete", true)
		// if multi {
		if hasWhere {
			result := dbox.Find(dataMaps, getWhere)
			if len(result) > 0 {
				for i, v := range dataMaps {
					if toolkit.HasMember(result, i) == false {
						updatedValue = append(updatedValue, v)
					}
				}
			}
		} else {
			updatedValue = []toolkit.M{}
		}
	} else if commandType == dbox.QueryPartSave {
		hasCmdType.Set("hasSave", true)
		if !hasData {
			return errorlib.Error(packageName, modCursor+".Exec", commandType, "Sorry data not found!, unable to update data")
		}

		q.dataType = "save"
		q.whereData = append(q.whereData, getWhere...)
		q.sliceData = append(q.sliceData, dataM)
	}

	if hasCmdType.Has("hasInsert") || hasCmdType.Has("hasUpdate") || hasCmdType.Has("hasDelete") {
		e = q.WriteFile(updatedValue)
		if e != nil {
			return errorlib.Error(packageName, modQuery+".Exec", commandType, e.Error())
		}
	}

	return nil
}
Ejemplo n.º 11
0
func (q *Query) prepare(in toolkit.M) (out toolkit.M, e error) {
	out = toolkit.M{}

	quyerParts := q.Parts()
	c := crowd.From(&quyerParts)
	groupParts := c.Group(func(x interface{}) interface{} {
		return x.(*dbox.QueryPart).PartType
	}, nil).Exec()

	parts := map[interface{}]interface{}{}
	if len(groupParts.Result.Data().([]crowd.KV)) > 0 {
		for _, kv := range groupParts.Result.Data().([]crowd.KV) {
			parts[kv.Key] = kv.Value
		}
	}

	_, hasUpdate := parts[dbox.QueryPartUpdate]
	_, hasInsert := parts[dbox.QueryPartInsert]
	_, hasDelete := parts[dbox.QueryPartDelete]
	_, hasSave := parts[dbox.QueryPartSave]
	_, hasFrom := parts[dbox.QueryPartFrom]
	procedureParts, hasProcedure := parts["procedure"]

	var tableName string
	if hasFrom {
		fromParts, _ := parts[dbox.QueryPartFrom]
		tableName = fromParts.([]*dbox.QueryPart)[0].Value.(string)
	} else {

		return nil, err.Error(packageName, "Query", "prepare", "Invalid table name")
	}
	out.Set("tableName", tableName)

	if freeQueryParts, hasFreeQuery := parts["freequery"]; hasFreeQuery {
		var syntax string
		qsyntax := freeQueryParts.([]*dbox.QueryPart)[0].Value.(interface{})
		syntax = qsyntax.(toolkit.M)["syntax"].(string)
		out.Set("freequery", syntax)
		out.Set("cmdType", dbox.QueryPartSelect)
	} else if hasInsert || hasUpdate || hasDelete || hasSave {
		if hasUpdate {
			out.Set("cmdType", dbox.QueryPartUpdate)
		} else if hasInsert {
			out.Set("cmdType", dbox.QueryPartInsert)
		} else if hasDelete {
			out.Set("cmdType", dbox.QueryPartDelete)
		} else if hasSave {
			out.Set("cmdType", dbox.QueryPartSave)
		}

		var where interface{}
		whereParts, hasWhere := parts[dbox.QueryPartWhere]
		if hasWhere {
			fb := q.Connection().Fb()
			for _, p := range whereParts.([]*dbox.QueryPart) {
				fs := p.Value.([]*dbox.Filter)
				for _, f := range fs {
					fb.AddFilter(f)
				}
			}

			where, e = fb.Build()
			if e != nil {

			}
			out.Set("where", where)
		}

		var dataM toolkit.M
		var dataMs []toolkit.M

		hasData := in.Has("data")
		var dataIsSlice bool
		if hasData {
			data := in.Get("data")
			if toolkit.IsSlice(data) {
				dataIsSlice = true
				e = toolkit.Unjson(toolkit.Jsonify(data), dataMs)
				if e != nil {
					return nil, err.Error(packageName, modQuery, "Exec: ", "Data encoding error: "+e.Error())
				}
			} else {
				dataM, e = toolkit.ToM(data)
				dataMs = append(dataMs, dataM)
				if e != nil {
					return nil, err.Error(packageName, modQuery, "Exec: ", "Data encoding error: "+e.Error())
				}
			}

			var id string
			var idVal interface{}
			if where == nil {
				id, idVal = toolkit.IdInfo(data)
				if id != "" {
					where = id + " = " + StringValue(idVal, "non")
				}
				out.Set("where", where)
			}

			if !dataIsSlice {
				var fields string
				var values string
				var setUpdate string
				var inc int
				for field, val := range dataM {
					stringval := StringValue(val, "non")
					if inc == 0 {
						fields = "(" + field
						values = "(" + stringval
						setUpdate = field + " = " + stringval
					} else {
						fields += ", " + field
						values += ", " + stringval
						setUpdate += ", " + field + " = " + stringval
					}
					inc++
				}
				fields += ")"
				values += ")"
				if hasInsert || hasSave {
					out.Set("fields", fields)
					out.Set("values", values)
				}
				if hasUpdate || hasSave {
					out.Set("setUpdate", setUpdate)
				}
			}
		}
	} else if hasProcedure {
		cmd := procedureParts.([]*dbox.QueryPart)[0].Value.(interface{})

		spName := cmd.(toolkit.M)["name"].(string) + " "
		params, hasParams := cmd.(toolkit.M)["params"]
		orderparam, hasOrder := cmd.(toolkit.M)["orderparam"]
		ProcStatement := ""
		toolkit.Println(spName, params, hasParams, orderparam, hasOrder, ProcStatement)

	} else {
		var selectField string
		incAtt := 0
		if selectParts, hasSelect := parts[dbox.QueryPartSelect]; hasSelect {
			for _, sl := range selectParts.([]*dbox.QueryPart) {
				for _, fid := range sl.Value.([]string) {
					if incAtt == 0 {
						selectField = fid
					} else {
						selectField = selectField + ", " + fid
					}
					incAtt++
				}
			}
		}
		out.Set("cmdType", dbox.QueryPartSelect)
		out.Set("selectField", selectField)

		///
		/// not yet iimplement
		var aggrExp string
		if aggrParts, hasAggr := parts[dbox.QueryPartAggr]; hasAggr {
			incAtt := 0
			for _, aggr := range aggrParts.([]*dbox.QueryPart) {
				/* isi qp :  &{AGGR {$sum 1 Total Item}}*/
				aggrInfo := aggr.Value.(dbox.AggrInfo)
				/* isi Aggr Info :  {$sum 1 Total Item}*/

				if incAtt == 0 {
					aggrExp = strings.Replace(aggrInfo.Op, "$", "", 1) + "(" +
						toolkit.ToString(aggrInfo.Field) + ")" + " as \"" + aggrInfo.Alias + "\""
				} else {
					aggrExp += ", " + strings.Replace(aggrInfo.Op, "$", "", 1) + "(" +
						toolkit.ToString(aggrInfo.Field) + ")" + " as \"" + aggrInfo.Alias + "\""
				}
				incAtt++
			}
		}
		out.Set("aggr", aggrExp)

		///
		/// Where Condition
		var where interface{}
		if whereParts, hasWhere := parts[dbox.QueryPartWhere]; hasWhere {
			fb := q.Connection().Fb()
			for _, p := range whereParts.([]*dbox.QueryPart) {
				for _, f := range p.Value.([]*dbox.Filter) {
					if in != nil {
						f = rdbms.ReadVariable(f, in)
					}
					fb.AddFilter(f)
				}
			}
			where, e = fb.Build()
			if e != nil {
				return nil, err.Error(packageName, modQuery, "prepare", e.Error())
			}
		}
		out.Set("where", where)

		///
		/// Sort Condition
		var sort []string
		if sortParts, hasSort := parts[dbox.QueryPartOrder]; hasSort {
			sort = []string{}
			for _, sr := range sortParts.([]*dbox.QueryPart) {
				for _, s := range sr.Value.([]string) {
					sort = append(sort, s)
				}
			}
		}
		out.Set("sort", sort)

		///
		/// Take Condition
		take := 0
		isTake := false
		if takeParts, hasTake := parts[dbox.QueryPartTake]; hasTake {
			isTake = true
			take = takeParts.([]*dbox.QueryPart)[0].Value.(int)
		}
		out.Set("isTake", isTake)
		out.Set("take", take)

		///
		/// Skip Condition
		skip := 0
		isSkip := false
		if skipParts, hasSkip := parts[dbox.QueryPartSkip]; hasSkip {
			isSkip = true
			skip = skipParts.([]*dbox.QueryPart)[0].Value.(int)
		}
		out.Set("isSkip", isSkip)
		out.Set("skip", skip)

		///
		/// Group By Condition
		var groupExp string
		hasAggr := false
		if groupParts, hasGroup := parts[dbox.QueryPartGroup]; hasGroup {
			hasAggr = true
			for _, pg := range groupParts.([]*dbox.QueryPart) {
				for i, grValue := range pg.Value.([]string) {
					if i == 0 {
						groupExp += grValue
					} else {
						groupExp += ", " + grValue
					}
				}
			}
		}
		out.Set("group", groupExp)
		out.Set("hasAggr", hasAggr)

		///
		/// Order By Condition
		var orderExp string
		if orderParts, hasOrder := parts[dbox.QueryPartOrder]; hasOrder {
			for _, ordrs := range orderParts.([]*dbox.QueryPart) {
				for i, oVal := range ordrs.Value.([]string) {
					if i == 0 {
						if string(oVal[0]) == "-" {
							orderExp = strings.Replace(oVal, "-", "", 1) + " DESC"
						} else {
							orderExp = oVal + " ASC"
						}
					} else {
						if string(oVal[0]) == "-" {
							orderExp += ", " + strings.Replace(oVal, "-", "", 1) + " DESC"
						} else {
							orderExp += ", " + oVal + " ASC"
						}
					}
				}
			}
		}
		out.Set("order", orderExp)
	}

	return
}
Ejemplo n.º 12
0
func (q *Query) Exec(in toolkit.M) error {
	setting, e := q.prepare(in)
	commandType := setting["commandtype"].(string)
	if e != nil {
		return err.Error(packageName, modQuery, "Exec: "+commandType, e.Error())
	}

	if setting.GetString("commandtype") == dbox.QueryPartSelect {
		return err.Error(packageName, modQuery, "Exec: "+commandType, "Exec is not working with select command, please use .Cursor instead")
	}

	q.Lock()
	defer q.Unlock()

	var dataM toolkit.M
	var dataMs []toolkit.M

	hasData := in.Has("data")
	dataIsSlice := false
	data := in.Get("data")
	if toolkit.IsSlice(data) {
		dataIsSlice = true
		e = toolkit.Unjson(toolkit.Jsonify(data), dataMs)
		if e != nil {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data encoding error: "+e.Error())
		}
	} else {
		dataM, e = toolkit.ToM(data)
		dataMs = append(dataMs, dataM)
		if e != nil {
			return err.Error(packageName, modQuery, "Exec: "+commandType, "Data encoding error: "+e.Error())
		}
	}

	hasWhere := in.Has("where")
	where := in.Get("where", []*dbox.Filter{}).([]*dbox.Filter)

	if hasData && hasWhere == false && toolkit.HasMember([]interface{}{dbox.QueryPartInsert, dbox.QueryPartUpdate, dbox.QueryPartSave}, commandType) {
		hasWhere = true
		if toolkit.IsSlice(data) {
			ids := []interface{}{}
			idField := ""
			if idField == "" {
				return err.Error(packageName, modQuery, "Exec:"+commandType, "Data send is a slice, but its element has no ID")
			}
			dataCount := toolkit.SliceLen(data)
			for i := 0; i < dataCount; i++ {
				dataI := toolkit.SliceItem(data, i)
				if i == 0 {
					idField = toolkit.IdField(dataI)
				}
				ids = append(ids, toolkit.Id(dataI))
			}
			where = []*dbox.Filter{dbox.In(idField, ids)}
		} else {
			id := toolkit.Id(data)
			if toolkit.IsNilOrEmpty(id) {
				where = []*dbox.Filter{dbox.Eq(toolkit.IdField(id), id)}
			} else {
				where = nil
				hasWhere = false
			}
		}
	}

	q.openFile()
	if commandType == dbox.QueryPartInsert {
		if !hasData {
			return err.Error(packageName, modQuery, "Exec:"+commandType, "Data is empty")
		}
		if dataIsSlice {
			q.data = append(q.data, dataMs...)
		} else {
			q.data = append(q.data, dataM)
		}
	} else if commandType == dbox.QueryPartUpdate {
		if !hasData {
			return err.Error(packageName, modQuery, "Exec:"+commandType, "Data is empty")
		}

		var indexes []interface{}
		if hasWhere {
			toolkit.Serde(dbox.Find(q.data, where), &indexes, "")
		}

		var dataUpdate toolkit.M
		var updateDataIndex int

		isDataSlice := toolkit.IsSlice(data)
		if isDataSlice == false {
			isDataSlice = false
			e = toolkit.Serde(data, &dataUpdate, "")
			if e != nil {
				return err.Error(packageName, modQuery, "Exec:"+commandType, "Unable to serialize data. "+e.Error())
			}
		}
		var idField string
		for i, v := range q.data {
			if toolkit.HasMember(indexes, i) || len(indexes) == 0 {
				if idField == "" {
					idField = toolkit.IdField(v)
					if idField == "" {
						return err.Error(packageName, modQuery, "Exec:"+commandType, "No ID")
					}
				}

				var dataOrigin toolkit.M
				e = toolkit.Serde(v, &dataOrigin, "")
				if e != nil {
					return err.Error(packageName, modQuery, "Exec:"+commandType, "Unable to serialize data origin. "+e.Error())
				}
				if isDataSlice {
					e = toolkit.Serde(toolkit.SliceItem(data, updateDataIndex), &dataUpdate, "")
					if e != nil {
						return err.Error(packageName, modQuery, "Exec:"+commandType, "Unable to serialize data. "+e.Error())
					}
					updateDataIndex++
				}
				for fieldName, fieldValue := range dataUpdate {
					if fieldName != idField {
						if dataOrigin.Has(fieldName) {
							dataOrigin.Set(fieldName, fieldValue)
						}

					}
				}
				toolkit.Serde(dataOrigin, &v, "")
				q.data[i] = v
			}
		}
	} else if commandType == dbox.QueryPartDelete {
		if hasWhere {
			var indexes []interface{}
			toolkit.Serde(dbox.Find(q.data, where), &indexes, "")
			if len(indexes) > 0 {
				newdata := []toolkit.M{}
				for index, v := range q.data {
					if toolkit.HasMember(indexes, index) == false {
						newdata = append(newdata, v)
					}
				}
				q.data = newdata
			}
		} else {
			q.data = []toolkit.M{}
		}
	} else if commandType == dbox.QueryPartSave {
		if !hasData {
			return err.Error(packageName, modQuery, "Exec:"+commandType, "Data is empty")
		}
	}
	q.writeFile()
	return nil
}