fixed a bug with edit & saving an mdem

src/qtapp/main.cpp

@@ -86,7 +86,7 @@ struct Page {
 
 // @Debug: set the default directory for convenience. It should be configured by user
 // or set to "".
-std::string              currentPath   = "/home/jorenchik/Code/mdemory/memorybase";
+std::string              currentPath   = "/home/jorenchik/Code/mdemory/memorybase/";
 std::string              currentMdem   = "";
 /*std::string              currentPath   = "";*/
 QFileSystemModel        *model;
@@ -97,6 +97,7 @@ QTreeView               *mdemList;
 QLabel                  *deckListLabel;
 QVBoxLayout             *hMdemScroll;
 QList<Mdem*>             mdems         = QList<Mdem*>();
+time_t                   trainedAt = 0;
 std::vector<Question*>   questions     = std::vector<Question*>();
 QSpacerItem             *mdemSpacer;
 std::vector<ErrorView*>  errorPool;
@@ -140,8 +141,17 @@ void showBacklabels(Mdem *mdem) {
 	}
 }
 
-std::string outputMdem(std::vector<Question*> questions) {
+std::string outputMdem(std::vector<Question*> questions, time_t time = 0) {
 	std::stringstream ss;
+
+	if (time > 0) {
+		std::tm* tm = std::localtime(&time);
+		char buffer[100];
+		std::strftime(buffer, sizeof(buffer), "%d.%m.%Y %H\\:%M", tm);
+		auto time = std::string(buffer);
+		ss << time << std::endl << std::endl;
+	}
+
 	for (auto question: questions) {
 		std::string cooldownPart;
 		if (question->Cooldown != 0) {
@@ -571,13 +581,14 @@ void reloadMdem() {
 		}
 
 		if (res.error == "") {
-			time_t trainedAt;
 			if (res.value.lastTrainedAt == 0) {
 				trainedAt = 0;
 			} else {
+				// TODO: time_zone option
 				trainedAt = res.value.lastTrainedAt + 3600 * 2;
 			}
 			std::cout << std::format("Last trained at: {}", trainedAt) << std::endl;
+
 			questions = res.value.questions;
 			makePages();
 			SwitchPage(0);
@@ -647,8 +658,19 @@ void setupEditorSave(bool checked) {
 					"There are no questions in your input."
 				);
 			} else if (res.value.questions.size() == 1) {
-				setupMdem(editMdem, res.value.questions[0]);
+				auto oldQuestion = editMdem->question;
-				showBacklabels(editMdem);
+				editMdem->question = res.value.questions[0];
+				for (int i = 0; i < questions.size(); ++i) {
+					if (questions[i] == oldQuestion) {
+						questions.erase(questions.begin() + i);
+						delete questions[i];
+						questions[i] = editMdem->question;
+						break;
+					}
+				}
+				/*setupMdem(editMdem, res.value.questions[0]);*/
+				/*showBacklabels(editMdem);*/
+				editorWindow->hide();
 			} else {
 				QMessageBox::information(
 					nullptr,
@@ -671,6 +693,7 @@ void setupEditorSave(bool checked) {
 				);
 				makePages();
 				SwitchPage(0);
+				editorWindow->hide();
 			}
 		}
 	}
@@ -814,12 +837,13 @@ int main(int argc, char *argv[]) {
 	QObject::connect(add, &QToolButton::clicked, []() {
 		editMdem = nullptr;
 		editorWindow->show();
+		editor->setText("");
 	});
 	QObject::connect(load, &QToolButton::clicked, &reloadMdem);
 	QObject::connect(save, &QToolButton::clicked, []() {
 		auto filename = getFilename(currentMdem);
-		std::ofstream out("generated.mdem");
+		std::ofstream out(currentMdem);
-		out << outputMdem(questions);;
+		out << outputMdem(questions, trainedAt);
 	});
 	QObject::connect(
 		practice,