feat(slack): show mark status buttons on all labeled orders

pkg/notify/slack.go

@@ -253,25 +253,30 @@ func SlackPostLabelPurchased(orderID uint, labelURL string, costCents int) {
 
 	headLine := fmt.Sprintf(":white_check_mark: Labeled - %s `%s` (%s). <%s|Download label PDF>", order.Carrier, order.TrackingNumber, dollars(costCents), labelURL)
 
-	blocks := []map[string]any{
-		{
-			"type": "section",
-			"text": map[string]any{"type": "mrkdwn", "text": headLine},
-		},
-	}
-
-	if order.TrackingNumber != "" {
-		blocks = append(blocks, markStatusActionBlock(order.ID))
-	}
-
 	_, _ = postSlackMessage(token, map[string]any{
 		"channel":   channel,
 		"thread_ts": *order.SlackThreadTS,
 		"text":      headLine,
-		"blocks":    blocks,
+		"blocks":    labelPurchaseBlocks(&order, headLine),
 	})
 }
 
+// labelPurchaseBlocks assembles the Block Kit payload for the post-label thread
+// reply: a headline section plus the manual mark-status buttons for any labeled
+// order. The buttons are gtated on a present tracking number (carrier-agnostic)
+func labelPurchaseBlocks(order *models.Order, headline string) []map[string]any {
+	blocks := []map[string]any{
+		{
+			"type": "section",
+			"text": map[string]any{"type": "mrkdwn", "text": headline},
+		},
+	}
+	if order.TrackingNumber != "" {
+		blocks = append(blocks, markStatusActionBlock(order.ID))
+	}
+	return blocks
+}
+
 func markStatusActionBlock(orderID uint) map[string]any {
 	id := fmt.Sprintf("%d", orderID)
 	return map[string]any{

pkg/notify/slack_test.go

@@ -0,0 +1,41 @@
+package notify
+
+import (
+	"testing"
+
+	"terminalShop/pkg/models"
+)
+
+// hadActionsBlock reports whether the Block Kit slice contains an "actions"
+// block, the row that carries the mark-status buttons.
+func hasActionsBlock(blocks []map[string]any) bool {
+	for _, b := range blocks {
+		if b["type"] == "actions" {
+			return true
+		}
+	}
+	return false
+}
+
+func TestLabelPurchasedBlocksButtonGating(t *testing.T) {
+	cases := []struct {
+		name        string
+		order       models.Order
+		wantButtons bool
+	}{
+		{"shippo us order with tracking shows buttons", models.Order{ID: 7, Carrier: "USPS", TrackingNumber: "9400111899223817"}, true},
+		{"bring orders with tracking shows buttons", models.Order{ID: 8, Carrier: "BRING", TrackingNumber: "CONS123456"}, true},
+		{"order without tracking shows no buttons", models.Order{ID: 9, Carrier: "USPS", TrackingNumber: ""}, false},
+	}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			blocks := labelPurchaseBlocks(&tc.order, "headline")
+			if got := hasActionsBlock(blocks); got != tc.wantButtons {
+				t.Fatalf("hasActionsBlock = %v, want %v", got, tc.wantButtons)
+			}
+			if len(blocks) == 0 || blocks[0]["type"] != "section" {
+				t.Fatalf("expected first block to be the headline section, got %v", blocks)
+			}
+		})
+	}
+}