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)
@@ -63,24 +63,33 @@ 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",
-				content := fmt.Sprintf("%s %s\n%s @ %s [eta: %s]\n📄 %s",
+						phaseEmoji,
-					phaseEmoji,
+						prog.Phase)
-					prog.Phase,
+					_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
-					prog.Status,
+						Content: ptr(content),
-					prog.Percent,
+					})
-					prog.ETA,
+					if err != nil {
-					prog.Filename)
+						log.Printf("Error updating progress: %v", err)
-				_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+					}
-					Content: ptr(content),
+				} else {
-				})
+					phaseEmoji := "⏬"
-				if err != nil {
+					content := fmt.Sprintf("%s %s: %s [eta: %s]\n📄 %s",
-					log.Printf("Error updating progress: %v", err)
+						phaseEmoji,
+						prog.Phase,
+						renderProgressBar(prog.PercentFloat),
+						prog.ETA,
+						prog.Filename)
+					_, err := s.InteractionResponseEdit(i.Interaction, &discordgo.WebhookEdit{
+						Content: ptr(content),
+					})
+					if err != nil {
+						log.Printf("Error updating progress: %v", err)
+					}
 				}
+
 			case result := <-resultChan:
 				// Handle completion
 				if result.Success {

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

@@ -35,11 +35,12 @@ type FormatOptions struct {
 }
 
 type ProgressUpdate struct {
-	Status   ytdlp.ProgressStatus
+	Status       ytdlp.ProgressStatus
-	Percent  string
+	Percent      string
-	ETA      time.Duration
+	PercentFloat float64
-	Filename string
+	ETA          time.Duration
-	Phase    string
+	Filename     string
+	Phase        string
 }
 
 // InteractionState holds the state for a specific interaction

app/ytdlp.go

@@ -124,11 +124,12 @@ func DownloadVideo(out_dir, temp_dir, url string, opts DownloadOptions, progress
 			lastPhase = phase
 
 			progressChan <- ProgressUpdate{
-				Status:   prog.Status,
+				Status:       prog.Status,
-				Percent:  prog.PercentString(),
+				Percent:      prog.PercentString(),
-				ETA:      prog.ETA(),
+				PercentFloat: prog.Percent(),
-				Filename: prog.Filename,
+				ETA:          prog.ETA(),
-				Phase:    phase,
+				Filename:     prog.Filename,
+				Phase:        phase,
 			}
 		}).
 		Output("%(title)s.%(ext)s")