45 lines
842 B
Go
45 lines
842 B
Go
package config
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import (
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"encoding/json"
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"os"
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)
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type Config struct {
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APIURL string `json:"api_url"`
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SerialPort string `json:"serial_port"`
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BaudRate int `json:"baud_rate"`
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DisplayUnit string `json:"display_unit"`
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}
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func Load(path string) (Config, error) {
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cfg := Config{
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APIURL: "http://localhost:8888",
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SerialPort: "COM7",
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BaudRate: 115200,
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DisplayUnit: "mm",
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}
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data, err := os.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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if err := cfg.Save(path); err != nil {
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return cfg, err
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}
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return cfg, nil
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}
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return cfg, err
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}
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if err := json.Unmarshal(data, &cfg); err != nil {
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return cfg, err
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}
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return cfg, nil
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}
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func (c Config) Save(path string) error {
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data, err := json.MarshalIndent(c, "", " ")
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if err != nil {
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return err
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}
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return os.WriteFile(path, data, 0644)
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}
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