use id of session just created for session id of song_practiced

server.cpp

@@ -34,10 +34,10 @@ int main()
 		connect();
 		crow::json::wvalue status;
 		auto request_body = crow::json::load(req.body);
-
+		int new_session_id;
 		if(request_body.has("comments")){
 
-			prep_stmt = con->prepareStatement("INSERT INTO practice_sessions (description, seconds, comments, practice_category_id) VALUES (?, ?, ?, ?)");
+			prep_stmt = con->prepareStatement("INSERT INTO practice_sessions (description, seconds, comments, practice_category_id) VALUES (?, ?, ?, ?) RETURNING id");
 
 			string description = request_body["description"].s();
 			int seconds = request_body["seconds"].i();
@@ -48,11 +48,13 @@ int main()
 			prep_stmt->setInt(2, seconds);
 			prep_stmt->setString(3, comments);
 			prep_stmt->setInt(4, practice_category_id);
-			prep_stmt->execute();
+			ResultSet *res = prep_stmt->executeQuery();
+			res->next();
+			new_session_id = res->getInt("id");
 
 		} else {
 
-			prep_stmt = con->prepareStatement("INSERT INTO practice_sessions (description, seconds, practice_category_id) VALUES (?, ?, ?)");
+			prep_stmt = con->prepareStatement("INSERT INTO practice_sessions (description, seconds, practice_category_id) VALUES (?, ?, ?) RETURNING id");
 
 			string description = request_body["description"].s();
 			int seconds = request_body["seconds"].i();
@@ -61,14 +63,16 @@ int main()
 			prep_stmt->setString(1, description);
 			prep_stmt->setInt(2, seconds);
 			prep_stmt->setInt(3, practice_category_id);
-			prep_stmt->execute();
+			ResultSet *res = prep_stmt->executeQuery();
+			res->next();
+			new_session_id = res->getInt("id");
 
 		}
 
 		if(request_body.has("songs")){
 			for(const auto& song : request_body["songs"]){
 				prep_stmt = con->prepareStatement("INSERT INTO songs_practiced (practice_session_id, song_id) VALUES (?, ?)");
-				prep_stmt->setInt(1, 5377);
+				prep_stmt->setInt(1, new_session_id);
 				prep_stmt->setInt(2, int(song["id"]));
 				prep_stmt->execute();
 			}