125 lines
2.7 KiB
Go
125 lines
2.7 KiB
Go
package logfile
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import (
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"encoding/xml"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"github.com/go-flucky/flucky/pkg/types"
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)
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type xmlLogfile struct {
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logfile string
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}
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func (xl *xmlLogfile) GetLogfile() string {
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return xl.logfile
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}
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func (xl *xmlLogfile) ReadHumidities() ([]*types.Humidity, error) {
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if _, err := os.Stat(xl.logfile); os.IsNotExist(err) {
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return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, xl.logfile)
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}
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humidities := make([]*types.Humidity, 0)
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f, err := os.Open(xl.logfile)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", errorLogfileOpen, xl.logfile)
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}
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defer f.Close()
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xmlDecoder := xml.NewDecoder(f)
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err = xmlDecoder.Decode(&humidities)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", errorLogfileDecode, err)
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}
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return humidities, nil
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}
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func (xl *xmlLogfile) ReadTemperatures() ([]*types.Temperature, error) {
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if _, err := os.Stat(xl.logfile); os.IsNotExist(err) {
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return nil, fmt.Errorf("%v: %v", errorLogfileNotFound, xl.logfile)
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}
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f, err := os.Open(xl.logfile)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", errorLogfileOpen, xl.logfile)
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}
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defer f.Close()
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bytes, err := ioutil.ReadAll(f)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", errorLogfileRead, err)
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}
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tmpTemperatures := new(Temperatures)
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err = xml.Unmarshal(bytes, tmpTemperatures)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", errorLogfileUnmarshal, err)
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}
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log.Println(len(tmpTemperatures.Temperatures))
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temperatures := make([]*types.Temperature, 0)
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for _, tmpTemperature := range tmpTemperatures.Temperatures {
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temperatures = append(temperatures, tmpTemperature.Temperature)
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}
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return temperatures, nil
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}
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func (xl *xmlLogfile) WriteHumidities(humidities []*types.Humidity) error {
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f, err := os.Create(xl.logfile)
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if err != nil {
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return fmt.Errorf("%v: %v", errorLogfileCreate, xl.logfile)
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}
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defer f.Close()
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xmlEncoder := xml.NewEncoder(f)
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xmlEncoder.Indent("", " ")
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err = xmlEncoder.Encode(humidities)
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if err != nil {
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return fmt.Errorf("%v: %v", errorLogfileEncode, err)
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}
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return nil
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}
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func (xl *xmlLogfile) WriteTemperatures(temperatures []*types.Temperature) error {
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f, err := os.Create(xl.logfile)
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if err != nil {
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return fmt.Errorf("%v: %v", errorLogfileCreate, xl.logfile)
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}
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defer f.Close()
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writeCreationDate(temperatures)
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tmpTemperatures := new(Temperatures)
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for _, temperature := range temperatures {
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tmpTemperature := &Temperature{
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Temperature: temperature,
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}
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tmpTemperatures.Temperatures = append(tmpTemperatures.Temperatures, tmpTemperature)
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}
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bytes, err := xml.MarshalIndent(tmpTemperatures, "", " ")
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if err != nil {
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return fmt.Errorf("%v: %v", errorLogfileMarshal, err)
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}
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_, err = f.Write(bytes)
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if err != nil {
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return fmt.Errorf("%v: %v", errorLogfileWrite, err)
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}
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return nil
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}
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