intergrated laplace to remotegameplay

config/config.go

@@ -0,0 +1,123 @@
+package config
+
+import (
+	"github.com/spf13/viper"
+	"os"
+	"os/user"
+)
+
+var (
+	defaultPath string
+	defaults = map[string]interface{}{
+		"SystemUsername": "",
+		"BarrierHostName": "",
+	}
+	configName = "config"
+	configType = "json"
+	configFile = "config.json"
+	configPaths []string
+)
+
+type Config struct {
+	SystemUsername    string
+	BarrierHostName   string
+	Rooms             string
+	IPAddress         string
+}
+
+// Exists reports whether the named file or directory exists.
+func fileExists(name string) bool {
+	if _, err := os.Stat(name); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}
+
+// SetDefaults This function to be called only during a
+// make install
+func SetDefaults() error {
+	//Getting Current Directory from environment variable
+	curDir := os.Getenv("REMOTEGAMING")
+
+	//Setting current directory to default path
+	defaultPath = curDir + "/"
+
+	// Get system username
+	user ,err := user.Current()
+	if err != nil {
+		return err
+	}
+
+	// Get Hostname
+	name, err := os.Hostname()
+	if err != nil {
+		return err
+	}
+
+	//Setting default paths for the config file
+    defaults["SystemUsername"] = user.Username
+    defaults["BarrierHostName"] = name
+	defaults["Rooms"] = defaultPath + "room.json"
+	defaults["IPAddress"] = "0.0.0.0"
+
+	//Paths to search for config file
+	configPaths = append(configPaths, defaultPath)
+
+	//Create rooms.json file
+	os.Create(defaultPath + "room.json")
+
+	// If the config file exists remove and make a new one
+	if fileExists(defaultPath + "config.json") {
+		err = os.Remove(defaultPath + "config.json")
+		if err != nil {
+			return err
+		}
+	}
+
+	//Calling configuration file
+	_, err = ConfigInit()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func ConfigInit()(*Config,error) {
+
+	curDir := os.Getenv("REMOTEGAMING")
+	//Setting current directory to default path
+	defaultPath = curDir + "/"
+	//Paths to search for config file
+	configPaths = append(configPaths, defaultPath)
+
+	//Add all possible configurations paths
+	for _,v := range configPaths {
+		viper.AddConfigPath(v)
+	}
+
+	//Read config file
+	if err := viper.ReadInConfig(); err != nil {
+		// If the error thrown is config file not found
+		//Sets default configuration to viper
+		for k,v := range defaults {
+			viper.SetDefault(k,v)
+		}
+		viper.SetConfigName(configName)
+		viper.SetConfigFile(configFile)
+		viper.SetConfigType(configType)
+
+		if err = viper.WriteConfig(); err != nil {
+			return nil,err
+		}
+	}
+
+	// Adds configuration to the struct
+	var config Config
+	if err := viper.Unmarshal(&config); err != nil {
+		return nil,err
+	}
+
+	return &config,nil
+}

config/config_test.go

@@ -0,0 +1,20 @@
+
+package config
+
+import (
+	"testing"
+)
+
+func TestConfigInit(t *testing.T) {
+	_,err := ConfigInit()
+	if err != nil {
+		t.Error(err)
+	}
+}
+
+func TestSetDefaults(t *testing.T) {
+	err := SetDefaults()
+	if err != nil {
+		t.Error(err)
+	}
+}