Close apps in parallel (#4)

* Also show output when an app was opened/closed successfully

* Use goroutines to close apps in parallel

.circleci/config.yml

@@ -22,7 +22,7 @@ jobs:
     environment:
       TEST_RES_DIR: /tmp/test-results
       ARTIFACTS_DIR: /tmp/artifacts
-      APP_VERSION: v0.1.1
+      APP_VERSION: v0.2.0
     steps:
       - checkout
       - run:

applescriptHandler.go

@@ -16,7 +16,10 @@ end tell
 
 	err := ExecuteAppleScript(script)
 
-	return fmt.Errorf("Could not open app '%s': '%v'", appName, err)
+	if err != nil {
+		return fmt.Errorf("Could not open app '%s': '%v'", appName, err)
+	}
+	return nil
 }
 
 // CloseApp closes an application using AppleScript
@@ -29,7 +32,10 @@ end tell
 
 	err := ExecuteAppleScript(script)
 
-	return fmt.Errorf("Could not close app '%s': '%v'", appName, err)
+	if err != nil {
+		return fmt.Errorf("Could not close app '%s': '%v'", appName, err)
+	}
+	return nil
 }
 
 // ExecuteAppleScript takes in a fully parsed Apple-Script executes the command using osascript

main.go

@@ -40,18 +40,33 @@ func main() {
 	desAction := flag.Arg(0)
 
 	// Determine desired action
-	var action func(name string) error
+	var action (func(name string) error)
 	action = determineAction(desAction)
 
 	if action == nil {
 		os.Exit(0)
 	}
 
 	// Execute action
+	reschan, errchan := make(chan string), make(chan error)
+
 	for _, app := range config.AffectedApps {
-		err := action(app)
-		if err != nil {
-			log.Printf("%v", err)
+		go func(app string) {
+			err := action(app)
+			if err != nil {
+				errchan <- err
+				return
+			}
+			reschan <- fmt.Sprintf("Successfully opened/closed: '%s'", app)
+		}(app)
+	}
+
+	for i := 0; i < len(config.AffectedApps); i++ {
+		select {
+		case res := <-reschan:
+			fmt.Println(res)
+		case err := <-errchan:
+			fmt.Println(err)
 		}
 	}
 }