97 lines
2.1 KiB
Go
97 lines
2.1 KiB
Go
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package logfile
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import (
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"encoding/json"
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"fmt"
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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 jsonLogfile struct {
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logfile string
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}
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func (jl *jsonLogfile) GetLogfile() string {
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return jl.logfile
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}
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func (jl *jsonLogfile) ReadHumidities() ([]*types.Humidity, error) {
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if _, err := os.Stat(jl.logfile); os.IsNotExist(err) {
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return nil, fmt.Errorf("%v: %v", ErrLogfileNotFound, jl.logfile)
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}
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humidities := make([]*types.Humidity, 0)
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f, err := os.Open(jl.logfile)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", ErrLogfileOpen, jl.logfile)
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}
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defer f.Close()
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jsonDecoder := json.NewDecoder(f)
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err = jsonDecoder.Decode(&humidities)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", ErrLogfileDecode, err)
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}
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return humidities, nil
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}
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func (jl *jsonLogfile) ReadTemperatures() ([]*types.Temperature, error) {
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if _, err := os.Stat(jl.logfile); os.IsNotExist(err) {
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return nil, fmt.Errorf("%v: %v", ErrLogfileNotFound, jl.logfile)
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}
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temperatures := make([]*types.Temperature, 0)
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f, err := os.Open(jl.logfile)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", ErrLogfileOpen, jl.logfile)
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}
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defer f.Close()
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jsonDecoder := json.NewDecoder(f)
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err = jsonDecoder.Decode(&temperatures)
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if err != nil {
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return nil, fmt.Errorf("%v: %v", ErrLogfileDecode, err)
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}
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return temperatures, nil
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}
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func (jl *jsonLogfile) WriteHumidities(humidities []*types.Humidity) error {
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f, err := os.Create(jl.logfile)
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if err != nil {
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return fmt.Errorf("%v: %v", ErrLogileCreate, jl.logfile)
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}
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defer f.Close()
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jsonEncoder := json.NewEncoder(f)
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jsonEncoder.SetIndent("", " ")
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err = jsonEncoder.Encode(humidities)
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if err != nil {
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return fmt.Errorf("%v: %v", ErrLogfileEncode, err)
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}
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return nil
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}
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func (jl *jsonLogfile) WriteTemperatures(temperatures []*types.Temperature) error {
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f, err := os.Create(jl.logfile)
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if err != nil {
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return fmt.Errorf("%v: %v", ErrLogileCreate, jl.logfile)
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}
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defer f.Close()
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writeCreationDate(temperatures)
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jsonEncoder := json.NewEncoder(f)
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jsonEncoder.SetIndent("", " ")
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err = jsonEncoder.Encode(temperatures)
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if err != nil {
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return fmt.Errorf("%v: %v", ErrLogfileEncode, err)
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}
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return nil
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}
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