Markus Pesch
6d9368e86c
changes: - sensor temperature add - sensor temperature list - sensor temperature rm - temperature get - temperature log - temperature push
99 lines
2.1 KiB
Go
99 lines
2.1 KiB
Go
package config
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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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"path/filepath"
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"github.com/satori/go.uuid"
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"git.cryptic.systems/fh-trier/go-flucky/pkg/types"
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)
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var configFilename = "config.json"
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func Create(configDir string, force bool) error {
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configPath := filepath.Join(configDir, configFilename)
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config := &types.Config{
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DeviceID: uuid.NewV4().String(),
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}
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// If no config file exists, create a new one on the location
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if !force {
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if _, err := os.Stat(configPath); !os.IsNotExist(err) {
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return fmt.Errorf("%v already exists. Use -f to overwrite", configPath)
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}
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}
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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err := os.MkdirAll(configDir, os.ModePerm)
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if err != nil {
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return fmt.Errorf("Can not create directory: %v", err)
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}
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}
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f, err := os.Create(configPath)
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if err != nil {
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return fmt.Errorf("Can not create config: %v", err)
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}
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defer f.Close()
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config.JSONWriter(f)
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return nil
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}
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func Read(configDir string) (*types.Config, error) {
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configPath := filepath.Join(configDir, configFilename)
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var config types.Config
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// If no config file exists, return an error
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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return nil, fmt.Errorf("Can not find config %v: %v", configPath, err)
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}
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// open config file
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jsonFile, err := os.Open(configPath)
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if err != nil {
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return nil, fmt.Errorf("Can not open file %v: %v", configPath, err)
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}
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defer jsonFile.Close()
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jsonParser := json.NewDecoder(jsonFile)
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if err := jsonParser.Decode(&config); err != nil {
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return nil, err
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}
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return &config, nil
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}
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func Write(config *types.Config, configDir string) error {
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configPath := filepath.Join(configDir, configFilename)
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// If no config file exists, return an error
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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return fmt.Errorf("Can not find config %v: %v", configPath, err)
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}
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// open config file
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jsonFile, err := os.Create(configPath)
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if err != nil {
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return fmt.Errorf("Can not open file %v: %v", configPath, err)
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}
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defer jsonFile.Close()
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err = config.JSONWriter(jsonFile)
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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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