working on 'add remote' command and 'refresh' command

client/clientcmd/add.go

@@ -131,8 +131,62 @@ func AddFiles(input string, inputType string, ignore clientconfig.Ignore) error
 	return nil
 }
 
-// AddRemote adds a remote to the config file
-func AddRemote(name string, host string, port int, conf *clientconfig.Gvcconfig) error {
-	fmt.Println("name: ", name, "host: ", host, "port: ", port)
+// checkRemotesSlice just ranges through the remotes looking for duplicates
+func checkRemotesSlice(name, host string, port int, remotes []clientconfig.Remote) error {
+	for _, remote := range remotes { // Names of remotes must be unique so make sure they are
+		if name == remote.Name {
+			return fmt.Errorf("remote with that name already exits: %s", name)
+		}
+	}
+	for _, remote := range remotes { // make sure we don't have another remote with same host and port
+		if host == remote.Host && port == remote.Port {
+			return fmt.Errorf("remote with that host and port config already exists: %s:%d", host, port)
+		}
+	}
 	return nil
 }
+
+// AddRemote adds a remote to the config file
+func AddRemote(name string, host string, port int, defaultRemote bool, remotes []clientconfig.Remote) (newRemotes []clientconfig.Remote, err error) {
+	if len(remotes) == 0 { //first remote no need to check for duplicates and will set this remote as default
+		newRemote := clientconfig.Remote{
+			Name:    name,
+			Host:    host,
+			Port:    port,
+			Default: true,
+		}
+		remotes = append(remotes, newRemote)
+		fmt.Printf("Remote added: Name: %s Host: %s, Port: %d, Default: %t", name, host, port, defaultRemote)
+		return remotes, nil
+	}
+	err = checkRemotesSlice(name, host, port, remotes)
+	if err != nil {
+		return remotes, err
+	}
+	if defaultRemote { // If the new repo was flagged as default, find old default and remove it
+		for i, remote := range remotes {
+			if remote.Default {
+				remotes[i].Default = false
+			}
+		}
+		newRemote := clientconfig.Remote{
+			Name:    name,
+			Host:    host,
+			Port:    port,
+			Default: true,
+		}
+		remotes = append(remotes, newRemote)
+		fmt.Printf("Remote added: Name: %s Host: %s, Port: %d, Default: %t", name, host, port, defaultRemote)
+		return remotes, nil
+	}
+	// If passes all checks and is not default, create it and add it
+	newRemote := clientconfig.Remote{
+		Name:    name,
+		Host:    host,
+		Port:    port,
+		Default: false,
+	}
+	remotes = append(remotes, newRemote)
+	fmt.Printf("Remote added: Name: %s Host: %s, Port: %d, Default: %t", name, host, port, defaultRemote)
+	return remotes, nil
+}