закупы в бэк

telegram_bot/screens/select_channels_for_purchase.go

@@ -221,10 +221,20 @@ func (s *SelectChannelsForPurchase) createPurchase(b *bot.Bot, jwt string) {
 	// Преобразуем каналы в формат API
 	var apiChannels []backend.CreatePurchaseChannelInput
 	for _, ch := range s.Channels {
+		var details *backend.PurchaseChannelDetails
+		if ch.PlannedCost != nil {
+			cost := backend.CostInfo{
+				Type:  "fixed",
+				Value: *ch.PlannedCost,
+			}
+			details = &backend.PurchaseChannelDetails{
+				Cost: &cost,
+			}
+		}
 		apiChannels = append(apiChannels, backend.CreatePurchaseChannelInput{
-			Username:    ch.Username,
-			PlannedCost: ch.PlannedCost,
-			Comment:     ch.Comment,
+			Username: ch.Username,
+			Comment:  ch.Comment,
+			Details:  details,
 		})
 	}