categories endpoint

server.cpp

@@ -25,6 +25,24 @@ int main()
 	con->setSchema("practice");
 	stmt = con->createStatement();
 
+	CROW_ROUTE(app, "/categories")([](){
+		crow::json::wvalue entries;
+
+		ResultSet *res = stmt->executeQuery("SELECT practice_categories.id, practice_categories.name AS category, instruments.name AS instrument FROM practice_categories JOIN instruments ON practice_categories.instrument_id = instruments.id ORDER BY practice_categories.id ASC");
+
+		int i = 0;
+		while (res->next()) {
+			int id = res->getInt("id");
+			string category = res->getString("category");
+			string instrument = res->getString("instrument");
+			entries[i] = {{"id", id}, {"category", category}, {"instrument", instrument}};
+			i++;
+		}
+
+		delete res;
+		return entries;
+	});
+
 	CROW_ROUTE(app, "/summary")([](){
 		crow::json::wvalue entries;