First commit

cmd/cli/main.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"sync"
+
+	"forge.cadoles.com/pcaseiro/namecheck"
+	"forge.cadoles.com/pcaseiro/namecheck/twitter"
+)
+
+func checkUsername(ch chan<- string, wg *sync.WaitGroup, sn namecheck.SocialNetwork, username string) (bool, error) {
+	defer wg.Done()
+	//	s1 := rand.NewSource(time.Now().UnixNano())
+	//	time.Sleep(rand.New(s1).Intn(100))
+	res, err := sn.IsAvailable(username)
+	if err != nil {
+		ch <- fmt.Sprintf("Error : {%v}\n", err)
+		return false, err
+	}
+
+	if !res {
+		ch <- fmt.Sprintf("User %s is not available\n", username)
+		return false, nil
+	}
+	ch <- fmt.Sprintf("User %s is available\n", username)
+	return true, nil
+}
+
+func main() {
+	var wg sync.WaitGroup
+	var socialNetworks []namecheck.SocialNetwork
+
+	// Create a channel for result
+	ch := make(chan string, 20)
+
+	// Create the "social networks"
+	for i := 0; i < 20; i++ {
+		socialNetworks = append(socialNetworks, &twitter.Twitter{})
+	}
+
+	// Start the routines for check
+	username := os.Args[1]
+	for _, sn := range socialNetworks {
+		wg.Add(1)
+		go checkUsername(ch, &wg, sn, username)
+	}
+
+	// Wait in background
+	go func() {
+		wg.Wait()
+		close(ch)
+	}()
+
+	// Print the result
+	for li := range ch {
+		fmt.Printf(li)
+	}
+
+}