add support for toml configuration file

data.go

@@ -6,14 +6,13 @@ import (
 	_ "github.com/lib/pq"
 )
 
-//TODO: move into separate config file?
-const (
-	DBHost = "127.0.0.1"
-	DBPort = 5432
-	DBUser = "username"
-	DBPass = "password"
-	DBName = "database"
-)
+type databaseConfig struct {
+	Host string
+	Port int
+	User string
+	Pass string
+	Name string
+}
 
 type userData struct {
 	nameserver string
@@ -23,9 +22,10 @@ type userData struct {
 }
 
 func prepareDatabase() (*sql.DB, error) {
+	dbconf := config.Database
 	psqlInfo := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s " +
-							"sslmode=disable", DBHost, DBPort, DBUser, DBPass,
-							DBName)
+							"sslmode=disable", dbconf.Host, dbconf.Port,
+							dbconf.User, dbconf.Pass, dbconf.Name)
 	db, err := sql.Open("postgres", psqlInfo)
 	if err != nil {
 		return nil, err

main.go

@@ -2,9 +2,21 @@ package main
 
 import (
 	"net/http"
+	"github.com/BurntSushi/toml"
 )
 
+type tomlConfig struct {
+	Database databaseConfig
+}
+
+var config tomlConfig
+
 func main() {
+	_, err := toml.DecodeFile("config.toml", &config)
+	if err != nil {
+		panic(err)
+	}
+
 	db, err := prepareDatabase()
 	if err != nil {
 		panic(err)