implement progress bar

app/download.go

@@ -50,7 +50,7 @@ func startAsyncDownload(s *discordgo.Session, i *discordgo.InteractionCreate, ur
 	go func() {
 		// First update the original ephemeral message with "Processing..."
 		_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
-			Content: ptr(fmt.Sprintf("🔄 Processing download...\nURL: %s\nVideo: %s\nAudio: %s", url, videoFormatID, audioFormatID)),
+			Content: ptr(fmt.Sprintf("Downloading video: %s", renderProgressBar(0))),
 		})
 		if err != nil {
 			log.Printf("Error updating interaction: %v", err)
@@ -63,16 +63,23 @@ func startAsyncDownload(s *discordgo.Session, i *discordgo.InteractionCreate, ur
 					progressChan = nil
 					continue
 				}
-				// Update message w/ phase and real time progress
-				phaseEmoji := "⏬"
 				if prog.Phase == "post-processing" {
-					phaseEmoji = "⚙️"
+					phaseEmoji := "⚙️"
+					content := fmt.Sprintf("%s %s",
+						phaseEmoji,
+						prog.Phase)
+					_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+						Content: ptr(content),
+					})
+					if err != nil {
+						log.Printf("Error updating progress: %v", err)
 					}
-				content := fmt.Sprintf("%s %s\n%s @ %s [eta: %s]\n📄 %s",
+				} else {
+					phaseEmoji := "⏬"
+					content := fmt.Sprintf("%s %s: %s [eta: %s]\n📄 %s",
 						phaseEmoji,
 						prog.Phase,
-					prog.Status,
+						renderProgressBar(prog.PercentFloat),
-					prog.Percent,
 						prog.ETA,
 						prog.Filename)
 					_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
@@ -81,6 +88,8 @@ func startAsyncDownload(s *discordgo.Session, i *discordgo.InteractionCreate, ur
 					if err != nil {
 						log.Printf("Error updating progress: %v", err)
 					}
+				}
+
 			case result := <-resultChan:
 				// Handle completion
 				if result.Success {

app/main.go

@@ -224,7 +224,7 @@ func main() {
 			}
 			if state == nil {
 				s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-					Type: discordgo.InteractionResponseChannelMessageWithSource,
+					Type: discordgo.InteractionResponseUpdateMessage,
 					Data: &discordgo.InteractionResponseData{
 						Content: "Error: No video URL found. Please start over with /download.",
 						Flags:   discordgo.MessageFlagsEphemeral,
@@ -262,7 +262,7 @@ func main() {
 				response = "I don't see a video here :("
 			}
 			err := s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
-				Type: discordgo.InteractionResponseChannelMessageWithSource,
+				Type: discordgo.InteractionResponseUpdateMessage,
 				Data: &discordgo.InteractionResponseData{
 					Content: response,
 					Flags:   discordgo.MessageFlagsEphemeral,

app/misc.go

@@ -1,6 +1,19 @@
 package main
 
+import (
+	"fmt"
+	"strings"
+)
+
 // Helper function to create string pointer
 func ptr(s string) *string {
 	return &s
 }
+
+const progressBarLength = 20
+
+func renderProgressBar(percent float64) string {
+	filled := int(float64(progressBarLength) * percent / 100)
+	bar := strings.Repeat("█", filled) + strings.Repeat(" ", progressBarLength-filled)
+	return fmt.Sprintf("[%s] %.0f%%", bar, percent)
+}

app/types.go

@@ -37,6 +37,7 @@ type FormatOptions struct {
 type ProgressUpdate struct {
 	Status       ytdlp.ProgressStatus
 	Percent      string
+	PercentFloat float64
 	ETA          time.Duration
 	Filename     string
 	Phase        string

app/ytdlp.go

@@ -126,6 +126,7 @@ func DownloadVideo(out_dir, temp_dir, url string, opts DownloadOptions, progress
 			progressChan <- ProgressUpdate{
 				Status:       prog.Status,
 				Percent:      prog.PercentString(),
+				PercentFloat: prog.Percent(),
 				ETA:          prog.ETA(),
 				Filename:     prog.Filename,
 				Phase:        phase,