Filter out syndicates where the user is both the owner and a member in syndicate veiw.

handlers/syndicate.go

@@ -56,10 +56,23 @@ func ListSyndicatesHandler(db *sql.DB) http.HandlerFunc {
 		managed := storage.GetSyndicatesByOwner(db, userID)
 		member := storage.GetSyndicatesByMember(db, userID)
 
+		// Filter out syndicates where the user is both the owner and a member
+		managedMap := make(map[int]bool)
+		for _, s := range managed {
+			managedMap[s.ID] = true
+		}
+
+		var filteredJoined []models.Syndicate
+		for _, s := range member {
+			if !managedMap[s.ID] {
+				filteredJoined = append(filteredJoined, s)
+			}
+		}
+
 		data := BuildTemplateData(db, w, r)
 		context := helpers.TemplateContext(w, r, data)
 		context["ManagedSyndicates"] = managed
-		context["JoinedSyndicates"] = member
+		context["JoinedSyndicates"] = filteredJoined
 
 		tmpl := helpers.LoadTemplateFiles("syndicates.html", "templates/syndicate/index.html")
 		tmpl.ExecuteTemplate(w, "layout", context)