fix отображения

tg_bot/screens/select_channels_for_purchase.go

@@ -80,7 +80,7 @@ func (s *SelectChannelsForPurchase) renderChannelSelection(b *bot.Bot, mode bot.
 			if ch.PlannedCost != nil {
 				buttonText = fmt.Sprintf("%s — %.0f₽", channelLabel(ch), *ch.PlannedCost)
 			}
-			slots = append(slots, Button(buttonText, fmt.Sprintf("remove_channel:%d", i)))
+			slots = append(slots, Button("✖ "+buttonText, fmt.Sprintf("remove_channel:%d", i)))
 		}
 
 		if len(s.Channels) > channelsPerPage {
@@ -414,7 +414,7 @@ func channelLabel(ch PurchaseChannelInput) string {
 		return ch.Title
 	}
 	if ch.InviteLink != "" {
-		return "invite link"
+		return formatInviteLabel(ch.InviteLink)
 	}
 	if ch.ChannelID != "" {
 		return ch.ChannelID
@@ -454,3 +454,42 @@ func isInviteLink(value string) bool {
 	}
 	return false
 }
+
+func formatInviteLabel(inviteLink string) string {
+	link := strings.TrimSpace(inviteLink)
+	if link == "" {
+		return "приватный канал"
+	}
+
+	code := link
+	if strings.HasPrefix(code, "tg://") || strings.HasPrefix(code, "tg:") {
+		if idx := strings.Index(code, "invite="); idx != -1 {
+			code = code[idx+len("invite="):]
+			if end := strings.IndexAny(code, "&?#"); end != -1 {
+				code = code[:end]
+			}
+		}
+	} else {
+		code = strings.TrimPrefix(code, "https://")
+		code = strings.TrimPrefix(code, "http://")
+		code = strings.TrimPrefix(code, "t.me/")
+		code = strings.TrimPrefix(code, "telegram.me/")
+		code = strings.TrimPrefix(code, "joinchat/")
+		code = strings.TrimPrefix(code, "+")
+		if idx := strings.LastIndex(code, "/"); idx != -1 {
+			code = code[idx+1:]
+		}
+		if end := strings.IndexAny(code, "?#"); end != -1 {
+			code = code[:end]
+		}
+	}
+
+	code = strings.Trim(code, "/+ ")
+	if code == "" {
+		return "приватный канал"
+	}
+	if len(code) > 10 {
+		code = code[:6] + "..." + code[len(code)-2:]
+	}
+	return "приватный: " + code
+}