handlers: permisison check for all pages + retrieve user-specific permissions for pages (if any)

handlers/handlerallcategories.cpp

@@ -21,7 +21,7 @@ SOFTWARE.
 #include "handlerallcategories.h"
 #include "../urlprovider.h"
 #include "../logger.h"
-Response HandlerAllCategories::handle(const Request &r)
+Response HandlerAllCategories::handleRequest(const Request &r)
 {
 	auto categoryDao = this->database->createCategoryDao();
 	QueryOption qo = queryOption(r);
@@ -43,3 +43,13 @@ Response HandlerAllCategories::handle(const Request &r)
 	response.setStatus(200);
 	return response;
 }
+
+std::string HandlerAllCategories::accessErrorMessage()
+{
+	return "You don't have permission to list all categories";
+}
+
+bool HandlerAllCategories::canAccess(const Permissions &perms)
+{
+	return perms.canSeeCategoryList();
+}