Added a progress bar and removed debug prints

go.mod

@@ -4,10 +4,14 @@ go 1.22.4
 
 require (
 	github.com/fatih/color v1.17.0
+	github.com/schollz/progressbar/v3 v3.16.0
 )
 
 require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	golang.org/x/sys v0.25.0 // indirect
+	golang.org/x/term v0.24.0 // indirect
 )

go.sum

@@ -8,7 +8,13 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db h1:62I3jR2EmQ4l5rM/4FEfDWcRD+abF5XlKShorW5LRoQ=
+github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db/go.mod h1:l0dey0ia/Uv7NcFFVbCLtqEBQbrT4OCwCSKTEv6enCw=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/schollz/progressbar/v3 v3.16.0 h1:+MbBim/cE9DqDb8UXRfLJ6RZdyDkXG1BDy/sWc5s0Mc=
+github.com/schollz/progressbar/v3 v3.16.0/go.mod h1:lLiKjKJ9/yzc9Q8jk+sVLfxWxgXKsktvUf6TO+4Y2nw=
 github.com/spf13/cobra v1.8.1 h1:e5/vxKd/rZsfSJMUX1agtjeTDf+qv1/JdBF8gg5k9ZM=
 github.com/spf13/cobra v1.8.1/go.mod h1:wHxEcudfqmLYa8iTfL+OuZPbBZkmvliBWKIezN3kD9Y=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
@@ -19,5 +25,7 @@ golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
 golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
 golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/term v0.24.0 h1:Mh5cbb+Zk2hqqXNO7S1iTjEphVL+jb8ZWaqh/g+JWkM=
+golang.org/x/term v0.24.0/go.mod h1:lOBK/LVxemqiMij05LGJ0tzNr8xlmwBRJ81PX6wVLH8=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -12,8 +12,10 @@ import (
 	"runtime"
 	"strings"
 	"sync"
+	"sync/atomic"
 
 	"github.com/fatih/color"
+	"github.com/schollz/progressbar/v3"
 )
 
 const (
@@ -305,7 +307,6 @@ func parseFlags() (int, string, string, int) {
 	dir := flag.String("d", "courses", "Introduce the directory where you want to save the files")
 	cores := flag.Int("c", runtime.NumCPU()-1, "Introduce the cores to use in the download")
 	flag.Parse()
-	fmt.Println("Cores:", *cores)
 
 	if *language == 0 {
 		fmt.Println("Introduce tu idioma: 1: Español, 2:English")
@@ -344,19 +345,62 @@ func promptForToken(language int) string {
 func downloadFiles(filesStoreChan <-chan FileStore, maxGoroutines int) {
 	var wg sync.WaitGroup
 	semaphore := make(chan struct{}, maxGoroutines)
+	totalFiles := len(filesStoreChan)
+
+	// Create an atomic counter for completed files
+	var completedFiles int32
+
+	bar := progressbar.NewOptions(totalFiles,
+		progressbar.OptionEnableColorCodes(true),
+		progressbar.OptionShowBytes(false),
+		progressbar.OptionSetWidth(20),
+		progressbar.OptionSetPredictTime(false),
+		progressbar.OptionSetTheme(progressbar.Theme{
+			Saucer:        "[green]=[reset]",
+			SaucerHead:    "[green]>[reset]",
+			SaucerPadding: " ",
+			BarStart:      "[",
+			BarEnd:        "]",
+		}))
 
 	for fileStore := range filesStoreChan {
 		wg.Add(1)
 		go func(fileStore FileStore) {
 			defer wg.Done()
 			semaphore <- struct{}{}
 			defer func() { <-semaphore }()
-
-			if err := downloadFile(fileStore); err != nil {
+			if err := downloadFileWithProgress(fileStore, bar, &completedFiles); err != nil {
 				fmt.Printf("Error downloading file %s: %v\n", fileStore.FileName, err)
 			}
 		}(fileStore)
 	}
-
 	wg.Wait()
 }
+
+func downloadFileWithProgress(fileStore FileStore, bar *progressbar.ProgressBar, completedFiles *int32) error {
+	resp, err := http.Get(fileStore.FileURL)
+	if err != nil {
+		return fmt.Errorf("error downloading the file: %v", err)
+	}
+	defer resp.Body.Close()
+
+	dir := filepath.Dir(fileStore.Dir)
+	if err := os.MkdirAll(dir, os.ModePerm); err != nil {
+		return fmt.Errorf("error creating the directory: %v", err)
+	}
+
+	out, err := os.Create(fileStore.Dir)
+	if err != nil {
+		return fmt.Errorf("error creating the file: %v", err)
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, resp.Body)
+	if err != nil {
+		return fmt.Errorf("error copying the file: %v", err)
+	}
+
+	atomic.AddInt32(completedFiles, 1)
+	bar.Add(1)
+	return nil
+}