Refactor dummyUser struct for use in multiple places

campaigns.go

@@ -117,12 +117,7 @@ func handlePreviewCampaign(c echo.Context) error {
 	if err := app.Queries.GetOneCampaignSubscriber.Get(&sub, camp.ID); err != nil {
 		if err == sql.ErrNoRows {
 			// There's no subscriber. Mock one.
-			sub = models.Subscriber{
-				Name:   "Dummy Subscriber",
-				Email:  "dummy@subscriber.com",
-				UUID:   "00000000-0000-0000-0000-000000000000",
-				Status: models.SubscriberStatusEnabled,
-			}
+			sub = dummySubscriber
 		} else {
 			return echo.NewHTTPError(http.StatusInternalServerError,
 				fmt.Sprintf("Error fetching subscriber: %s", pqErrMsg(err)))

subscribers.go

@@ -38,7 +38,15 @@ type queryAddReq struct {
 	TargetLists pq.Int64Array `json:"target_lists"`
 }
 
-var jsonMap = []byte("{}")
+var (
+	jsonMap = []byte("{}")
+
+	dummySubscriber = models.Subscriber{
+		Email: "dummy@listmonk.app",
+		Name:  "Dummy Subscriber",
+		UUID:  "00000000-0000-0000-0000-000000000000",
+	}
+)
 
 // handleGetSubscriber handles the retrieval of a single subscriber by ID.
 func handleGetSubscriber(c echo.Context) error {

templates.go

@@ -27,11 +27,6 @@ const (
 		<p>Here is a link to <a href="https://listmonk.app" target="_blank">listmonk</a>.</p>`
 )
 
-var dummySubscriber = models.Subscriber{
-	Email: "dummy@listmonk.app",
-	Name:  "Dummy User",
-}
-
 type dummyMessage struct {
 	UnsubscribeURL string
 }