Pass in config struct

config/config.go

@@ -0,0 +1,84 @@
+package config
+
+import (
+	"time"
+
+	"github.com/fsnotify/fsnotify"
+	"github.com/khlieng/dispatch/storage"
+	"github.com/spf13/viper"
+)
+
+type Config struct {
+	Address            string
+	Port               string
+	Dev                bool
+	HexIP              bool
+	VerifyCertificates bool `mapstructure:"verify_certificates"`
+	Defaults           *Defaults
+	HTTPS              *HTTPS
+	LetsEncrypt        *LetsEncrypt
+}
+
+type Defaults struct {
+	Name        string
+	Host        string
+	Port        int
+	Channels    []string
+	Password    string
+	SSL         bool
+	ReadOnly    bool
+	ShowDetails bool `mapstructure:"show_details"`
+}
+
+type HTTPS struct {
+	Enabled  bool
+	Port     string
+	Redirect bool
+	Cert     string
+	Key      string
+	HSTS     *HSTS
+}
+
+type HSTS struct {
+	Enabled           bool
+	MaxAge            string `mapstructure:"max_age"`
+	IncludeSubdomains bool   `mapstructure:"include_subdomains"`
+	Preload           bool
+}
+
+type LetsEncrypt struct {
+	Domain string
+	Email  string
+	Port   string
+	Proxy  bool
+}
+
+func LoadConfig() (*Config, chan *Config) {
+	viper.SetConfigName("config")
+	viper.AddConfigPath(storage.Path.Root())
+	viper.ReadInConfig()
+
+	config := &Config{}
+	viper.Unmarshal(config)
+
+	viper.WatchConfig()
+
+	configCh := make(chan *Config, 1)
+
+	prev := time.Now()
+	viper.OnConfigChange(func(e fsnotify.Event) {
+		now := time.Now()
+		// fsnotify sometimes fires twice
+		if now.Sub(prev) > time.Second {
+			config := &Config{}
+			err := viper.Unmarshal(config)
+			if err == nil {
+				configCh <- config
+			}
+
+			prev = now
+		}
+	})
+
+	return config, configCh
+}