fix: humidity file logger
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parent
f01b943024
commit
d988735817
@ -4,13 +4,9 @@ import (
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"sync"
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"time"
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"git.cryptic.systems/fh-trier/go-flucky/pkg/internal/errutils"
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"git.cryptic.systems/fh-trier/go-flucky/pkg/types"
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)
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@ -101,82 +97,78 @@ func (fl *FileLogger) GetTemperatures(from *time.Time, till *time.Time, sensorID
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return cachedTemperatures, nil
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}
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// LogHumidities write humidities to all configured humidity logfiles
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func (fl *FileLogger) LogHumidities(humidities []*types.Humidity) error {
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countLogfiles := len(fl.LogFiles[LogHumidity])
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wg := sync.WaitGroup{}
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wg.Add(countLogfiles)
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errChan := make(chan error)
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for _, logfile := range fl.LogFiles[LogHumidity] {
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go func(humidities []*types.Humidity, logfile string) {
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defer wg.Done()
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// read existing humidities as bytes
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bytes, err := ioutil.ReadFile(logfile)
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logHumidities := []*types.Humidity{}
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// if logfile already exists, read humidities from logfile
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if _, err := os.Stat(logfile); err == nil {
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f, err := os.Open(logfile)
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if err != nil {
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errChan <- err
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return
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return fmt.Errorf("Can not open file %v: %v", logfile, err)
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}
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// convert bytes into humidities
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logHumidities := []*types.Humidity{}
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err = json.Unmarshal(bytes, &logHumidities)
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decoder := json.NewDecoder(f)
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err = decoder.Decode(&logHumidities)
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if err != nil {
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errChan <- err
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return
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return fmt.Errorf("Can not decode humidities from reader")
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}
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// append new humidities with exsisting humidities from logfile
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logHumidities = append(logHumidities, humidities...)
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f.Close()
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}
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// convert humidities into json file
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bytes, err = json.MarshalIndent(logHumidities, "", " ")
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err = json.Unmarshal(bytes, &logHumidities)
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if err != nil {
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errChan <- err
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return
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}
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// append new humidities with existing humidities from logfile
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logHumidities = append(logHumidities, humidities...)
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ioutil.WriteFile(logfile, bytes, os.ModePerm)
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}(humidities, logfile)
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}
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wg.Wait()
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errList := errutils.CollectErrors(errChan)
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err := errutils.FormatErrors(errList)
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if err != nil {
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return err
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}
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return nil
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}
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func (fl *FileLogger) LogTemperatures(temperatures []*types.Temperature) error {
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for _, logfile := range fl.LogFiles[LogTemperature] {
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logTemperatures := []*types.Temperature{}
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// open logfile
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f, err := os.OpenFile(logfile, os.O_RDWR, os.ModePerm)
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// overwrite lofgile with new entries
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f, err := os.Create(logfile)
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if err != nil {
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return fmt.Errorf("Can not open file %v: %v", logfile, err)
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}
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defer f.Close()
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// encode humidities
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encoder := json.NewEncoder(f)
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encoder.SetIndent("", " ")
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err = encoder.Encode(logHumidities)
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if err != nil {
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return fmt.Errorf("Can not encode humidities for the writer")
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}
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}
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return nil
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}
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// LogTemperatures write temperatures to all configured temperature logfiles
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func (fl *FileLogger) LogTemperatures(temperatures []*types.Temperature) error {
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for _, logfile := range fl.LogFiles[LogTemperature] {
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logTemperatures := []*types.Temperature{}
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// if logfile already exists, read temperatures from logfile
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if _, err := os.Stat(logfile); os.IsExist(err) {
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if _, err := os.Stat(logfile); err == nil {
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f, err := os.Open(logfile)
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if err != nil {
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return fmt.Errorf("Can not open file %v: %v", logfile, err)
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}
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decoder := json.NewDecoder(f)
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err = decoder.Decode(&logTemperatures)
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if err != nil {
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return fmt.Errorf("Can not decode temperatures from reader")
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}
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f.Close()
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}
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// append new temperatures with exsisting humidities from logfile
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// append new temperatures with existing temperatures from logfile
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logTemperatures = append(logTemperatures, temperatures...)
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// overwrite lofgile with new entries
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f, err := os.Create(logfile)
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if err != nil {
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return fmt.Errorf("Can not open file %v: %v", logfile, err)
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}
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defer f.Close()
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// encode temperatures
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encoder := json.NewEncoder(f)
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encoder.SetIndent("", " ")
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@ -8,7 +8,7 @@ import (
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type Logger interface {
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GetHumidities(fromDate *time.Time, tillDate *time.Time, sensorNameOrUUID *[]string) ([]*types.Humidity, error)
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GetTemperatures(fromDate *time.Time, tillDate *time.Time, sensorNameOrUUID *[]string) ([]*types.Temperature, error)
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GetTemperatures(from *time.Time, till *time.Time, sensorIDs []string) ([]*types.Temperature, error)
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LogHumidities(humidities []*types.Humidity) error
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LogTemperatures(temperatures []*types.Temperature) error
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}
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