fake-sms/internal/config/config.go

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package config
import (
"io"
"io/ioutil"
"github.com/caarlos0/env/v6"
"github.com/pkg/errors"
"gopkg.in/yaml.v2"
)
type Config struct {
HTTP HTTPConfig `yaml:"http"`
Data DataConfig `yaml:"data"`
Powow PowowConfig `ymal:"powow"`
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}
type HTTPConfig struct {
Address string `yaml:"address" env:"FAKESMS_HTTP_ADDRESS"`
TemplateDir string `yaml:"templateDir" env:"FAKESMS_HTTP_TEMPLATEDIR"`
PublicDir string `yaml:"publicDir" env:"FAKESMS_HTTP_PUBLICDIR"`
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BaseURL string `yaml:"baseUrl" env:"FAKESMS_HTTP_BASEURL"`
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}
type DataConfig struct {
Path string `yaml:"path" env:"FAKESMS_DATA_PATH"`
}
type PowowConfig struct {
APIKey string `yaml:"apiKey" env:"FAKESMS_POWOW_API_KEY"`
}
type PowowSMS struct {
Name string `yaml:"name"`
From string `yaml:"from"`
Content string `yaml:"content"`
ShortLink bool `yaml:"shortLink"`
}
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// NewFromFile retrieves the configuration from the given file
func NewFromFile(filepath string) (*Config, error) {
config := NewDefault()
data, err := ioutil.ReadFile(filepath)
if err != nil {
return nil, errors.Wrapf(err, "could not read file '%s'", filepath)
}
if err := yaml.Unmarshal(data, config); err != nil {
return nil, errors.Wrapf(err, "could not unmarshal configuration")
}
return config, nil
}
func WithEnvironment(conf *Config) error {
if err := env.Parse(conf); err != nil {
return err
}
return nil
}
func NewDumpDefault() *Config {
config := NewDefault()
return config
}
func NewDefault() *Config {
return &Config{
HTTP: HTTPConfig{
Address: ":3000",
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TemplateDir: "template",
PublicDir: "public",
},
Data: DataConfig{
Path: "fakesms.db",
},
Powow: PowowConfig{
APIKey: "powow",
},
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}
}
func Dump(config *Config, w io.Writer) error {
data, err := yaml.Marshal(config)
if err != nil {
return errors.Wrap(err, "could not dump config")
}
if _, err := w.Write(data); err != nil {
return err
}
return nil
}