diff --git a/CMakeLists.txt b/CMakeLists.txt
index 366e6f0..1688344 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ set(CMAKE_BUILD_RPATH_USE_ORIGIN ON)
 
 add_executable(mirai
 	src/main.cpp
-	src/windows/AppWindow/AppWindow.cpp
+	src/app_logic.cpp
 	src/shared/Utils.cpp
 )
 
diff --git a/src/windows/AppWindow/AppWindow.cpp b/src/app_logic.cpp
similarity index 86%
rename from src/windows/AppWindow/AppWindow.cpp
rename to src/app_logic.cpp
index a6041dd..8715764 100644
--- a/src/windows/AppWindow/AppWindow.cpp
+++ b/src/app_logic.cpp
@@ -4,8 +4,7 @@
  * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
  */
 
-#include "AppWindow.h"
-#include "../../shared/Utils.h"
+#include "app_logic.h"
 #include "mirai-core/core.h"
 #include "mirai-core/date.h"
 #include "mirai-core/event.h"
@@ -13,6 +12,7 @@
 #include "mirai-core/source.h"
 #include "selenite/palette.h"
 #include "selenite/selenite.h"
+#include "shared/Utils.h"
 #include "slint_color.h"
 #include "slint_models.h"
 #include "slint_string.h"
@@ -32,7 +32,7 @@
 #include <string_view>
 #include <vector>
 
-AppWindow::AppWindow(mirai::core *miraiInstance) : miraiInstance_(miraiInstance)
+app_logic::app_logic(mirai::core *miraiInstance) : _mirai_core(miraiInstance)
 {
 	_sidebar_view = ui::SidebarView();
 	_calendar_view = ui::CalendarView();
@@ -48,11 +48,11 @@ AppWindow::AppWindow(mirai::core *miraiInstance) : miraiInstance_(miraiInstance)
 	if (palette.has_value()) {
 		std::println(std::cerr, "Warning, no {} found", palettePath);
 		setSelenitePalette<slint::Color, selenite::Color>(
-			mainWindow_->global<ui::Palette>(), palette.value()
+			_main_window->global<ui::Palette>(), palette.value()
 		);
 	}
 
-	bindSlintUtils(mainWindow_->global<ui::Utils>());
+	bindSlintUtils(_main_window->global<ui::Utils>());
 
 	models().set_sidebar_view(_sidebar_view);
 	models().set_calendar_view(_calendar_view);
@@ -90,59 +90,59 @@ std::optional<ui::Date> stringToDate(const std::string &dateStr)
 	return ui::Date{.year = year, .month = month, .day = day};
 }
 
-void AppWindow::setupCallbacks()
+void app_logic::setupCallbacks()
 {
 	models().on_get_source_id_from_name([&](slint::SharedString name) {
-		auto source = miraiInstance_->getSourceByName(std::string(name));
+		auto source = _mirai_core->getSourceByName(std::string(name));
 		assert(source);
 		return source->id;
 	});
 
 	models().on_get_source_name_from_id([&](int sourceId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		return slint::SharedString(source->name());
 	});
 
 	models().on_get_source_color_from_id_as_hex([&](int sourceId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		return slint::SharedString(source->color());
 	});
 
 	models().on_get_source_color_from_id_as_color([&](int sourceId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		auto color = selenite::hexStringToColor(source->color());
 		return slint::Color::from_rgb_uint8(color.r, color.g, color.b);
 	});
 
 	models().on_get_source_path_from_id([&](int sourceId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		mirai::markdown_data_provider *sourceProvider =
 			dynamic_cast<mirai::markdown_data_provider *>(source->data_provider());
 		return slint::SharedString(sourceProvider->path());
 	});
 
-	miraiInstance_->onSourceAdded([&](mirai::source *source) { refreshModels(); });
-	miraiInstance_->onSourceEdited([&](mirai::source *source) { refreshModels(); });
-	miraiInstance_->onSourceDeleted([&](int id) { refreshModels(); });
+	_mirai_core->onSourceAdded([&](mirai::source *source) { refreshModels(); });
+	_mirai_core->onSourceEdited([&](mirai::source *source) { refreshModels(); });
+	_mirai_core->onSourceDeleted([&](int id) { refreshModels(); });
 
 	actions().on_task_clicked([&](int sourceId, int taskId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		auto task = source->get_task_by_id(taskId);
 		assert(task);
 		task->set_checked(!task->checked());
-		miraiInstance_->save();
+		_mirai_core->save();
 		update_views();
 		// view_.update();
 		reloadTasks();
 	});
 
 	actions().on_source_clicked([&](int index) {
-		const mirai::source *const source = miraiInstance_->getSourceById(index);
+		const mirai::source *const source = _mirai_core->getSourceById(index);
 		assert(source != nullptr);
 		if (should_show_source(*source)) {
 			hide_source(*source);
@@ -156,23 +156,21 @@ void AppWindow::setupCallbacks()
 	actions().on_add_source([&](slint::SharedString name, slint::SharedString path) {
 		std::unique_ptr<mirai::data_provider> file =
 			std::make_unique<mirai::markdown_data_provider>(std::string(path));
-		miraiInstance_->addSource(std::string(name), "FileSystemMarkdown", std::move(file));
+		_mirai_core->addSource(std::string(name), "FileSystemMarkdown", std::move(file));
 	});
 
 	actions().on_edit_source([&](int sourceId, slint::SharedString name, slint::SharedString color,
 								 slint::SharedString path) {
-		miraiInstance_->editSource(
-			sourceId, std::string(name), std::string(color), std::string(path)
-		);
+		_mirai_core->editSource(sourceId, std::string(name), std::string(color), std::string(path));
 	});
 
 	actions().on_delete_task_clicked([&](int sourceId, int taskId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		auto task = source->get_task_by_id(taskId);
 		assert(task);
 		source->remove_task(*task);
-		miraiInstance_->save();
+		_mirai_core->save();
 		// view_.update();
 		update_views();
 		reloadTasks();
@@ -191,7 +189,7 @@ void AppWindow::setupCallbacks()
 	});
 
 	actions().on_save_task([&](ui::SaveTaskData newTaskData) {
-		auto source = miraiInstance_->getSourceById(newTaskData.sourceId);
+		auto source = _mirai_core->getSourceById(newTaskData.sourceId);
 		assert(source);
 		auto task = source->get_task_by_id(newTaskData.id);
 		assert(task.has_value());
@@ -199,7 +197,7 @@ void AppWindow::setupCallbacks()
 		// const auto dayOpt = source->get_day_by_date(date);
 		task->set_title(std::string(newTaskData.title));
 
-		miraiInstance_->save();
+		_mirai_core->save();
 		// view_.update();
 		update_views();
 		reloadTasks();
@@ -210,7 +208,7 @@ void AppWindow::setupCallbacks()
 		if (newTaskData.date.year != 0) {
 			date = SlintDateToMiraiDate(newTaskData.date);
 		}
-		auto source = miraiInstance_->getSourceById(newTaskData.sourceId);
+		auto source = _mirai_core->getSourceById(newTaskData.sourceId);
 
 		std::optional<mirai::event> event = std::nullopt;
 		if (newTaskData.eventId >= 0) {
@@ -222,19 +220,19 @@ void AppWindow::setupCallbacks()
 			.due_date = date,
 		});
 
-		miraiInstance_->save();
+		_mirai_core->save();
 		// view_.update();
 		update_views();
 		reloadTasks();
 	});
 
 	actions().on_delete_event([&](int sourceId, int eventId) {
-		auto source = miraiInstance_->getSourceById(sourceId);
+		auto source = _mirai_core->getSourceById(sourceId);
 		assert(source);
 		auto event = source->get_event_by_id(eventId);
 		assert(event.has_value());
 		source->remove_event(event.value());
-		miraiInstance_->save();
+		_mirai_core->save();
 		// view_.update();
 		update_views();
 		reloadTasks();
@@ -243,7 +241,7 @@ void AppWindow::setupCallbacks()
 	actions().on_create_event([&](ui::CreateEventParams newEventParams) {
 		const ui::Date &date = newEventParams.date;
 		const std::string dateStr = SlintDateToStdString(date);
-		auto source = miraiInstance_->getSourceById(newEventParams.source_id);
+		auto source = _mirai_core->getSourceById(newEventParams.source_id);
 
 		source->create_event({
 			.title = std::string(newEventParams.title),
@@ -251,7 +249,7 @@ void AppWindow::setupCallbacks()
 			.starts_at = SlintTimeToMiraiTime(newEventParams.starts_at),
 			.ends_at = SlintTimeToMiraiTime(newEventParams.ends_at),
 		});
-		miraiInstance_->save();
+		_mirai_core->save();
 		update_views();
 	});
 }
@@ -266,7 +264,7 @@ stdToSlintStringVector(const std::vector<std::string> &stdVector)
 	return slintVector;
 }
 
-void AppWindow::reloadTasks()
+void app_logic::reloadTasks()
 {
 	/* days_->clear();*/
 	/*if (miraiInstance_->getSources().size() == 0) {*/
@@ -395,7 +393,7 @@ void AppWindow::reloadTasks()
 	/*}*/
 }
 
-void AppWindow::reloadSources()
+void app_logic::reloadSources()
 {
 	/*sources_->clear();*/
 	/*bool noSourceSelected = miraiInstance_->getSources().size() == view_.activeSourceCount();*/
@@ -413,13 +411,13 @@ void AppWindow::reloadSources()
 	/*models().set_no_source_selected(noSourceSelected);*/
 }
 
-void AppWindow::refreshModels()
+void app_logic::refreshModels()
 {
 	show_all_sources();
 	update_views();
 }
 
-void AppWindow::update_views()
+void app_logic::update_views()
 {
 	update_sidebar_view();
 	update_calendar_view();
@@ -427,16 +425,16 @@ void AppWindow::update_views()
 	update_available_sources();
 }
 
-void AppWindow::update_available_sources()
+void app_logic::update_available_sources()
 {
-	const auto &sources = miraiInstance_->getSources();
+	const auto &sources = _mirai_core->getSources();
 	auto available_sources = std::make_shared<slint::VectorModel<ui::AvailableSource>>();
 	auto available_sources_strings = std::make_shared<slint::VectorModel<slint::SharedString>>();
 	for (auto &source : sources) {
 		mirai::markdown_data_provider *sourceProvider =
 			dynamic_cast<mirai::markdown_data_provider *>(source->data_provider());
 		const auto color =
-			selenite::hexStringToColor(miraiInstance_->getSourceById(source->id)->color());
+			selenite::hexStringToColor(_mirai_core->getSourceById(source->id)->color());
 		auto source_color = slint::Color::from_rgb_uint8(color.r, color.g, color.b);
 
 		available_sources->push_back(
@@ -449,16 +447,16 @@ void AppWindow::update_available_sources()
 	models().set_available_sources_strings(available_sources_strings);
 };
 
-void AppWindow::update_sidebar_view()
+void app_logic::update_sidebar_view()
 {
-	const auto &sources = miraiInstance_->getSources();
+	const auto &sources = _mirai_core->getSources();
 
 	auto new_sources = std::make_shared<slint::VectorModel<ui::SidebarViewSources>>();
 	for (auto &source : sources) {
 		mirai::markdown_data_provider *sourceProvider =
 			dynamic_cast<mirai::markdown_data_provider *>(source->data_provider());
 		const auto color =
-			selenite::hexStringToColor(miraiInstance_->getSourceById(source->id)->color());
+			selenite::hexStringToColor(_mirai_core->getSourceById(source->id)->color());
 		auto source_color = slint::Color::from_rgb_uint8(color.r, color.g, color.b);
 		new_sources->push_back({
 			.id = source->id,
@@ -494,12 +492,12 @@ get_events_for_date(const std::vector<mirai::event> &events, const mirai::date &
 	return std::ranges::to<std::vector>(filtered_events);
 }
 
-void AppWindow::update_calendar_view()
+void app_logic::update_calendar_view()
 {
 	auto today = mirai::date(std::chrono::system_clock::now());
 	auto new_slint_dates = std::make_shared<slint::VectorModel<ui::CalendarViewDate>>();
 
-	auto &sources = miraiInstance_->getSources();
+	auto &sources = _mirai_core->getSources();
 	auto all_events = merge_all_events_from_sources(sources);
 
 	for (int day_index = 0; day_index < 7; ++day_index) {
@@ -520,7 +518,7 @@ void AppWindow::update_calendar_view()
 		for (int event_index = 0; event_index < events_for_date.size(); ++event_index) {
 			auto &current_event = events_for_date.at(event_index);
 			// TODO directly remove the source instead of this workaround after data layer refacto
-			auto source = miraiInstance_->getSourceById(current_event.source_id());
+			auto source = _mirai_core->getSourceById(current_event.source_id());
 			if (!should_show_source(*source)) {
 				continue;
 			}
@@ -615,12 +613,12 @@ std::vector<tasks_date_group> group_tasks_by_date(const std::vector<mirai::task>
 	return dates_group;
 };
 
-void AppWindow::update_tasks_view()
+void app_logic::update_tasks_view()
 {
 	auto today = mirai::date(std::chrono::system_clock::now());
 	auto new_slint_dates = std::make_shared<slint::VectorModel<ui::TasksViewDate>>();
 
-	auto &sources = miraiInstance_->getSources();
+	auto &sources = _mirai_core->getSources();
 	auto all_tasks_dates = group_tasks_by_date(get_all_tasks_from_sources(sources));
 
 	for (int date_index = 0; date_index < all_tasks_dates.size(); ++date_index) {
@@ -639,7 +637,7 @@ void AppWindow::update_tasks_view()
 		for (auto &source_group : current_date_group.sources) {
 			auto new_slint_source = ui::TasksViewSource();
 			auto new_slint_tasks = std::make_shared<slint::VectorModel<ui::TasksViewTask>>();
-			auto source = miraiInstance_->getSourceById(source_group.id);
+			auto source = _mirai_core->getSourceById(source_group.id);
 			if (!should_show_source(*source)) {
 				continue;
 			}
@@ -657,7 +655,7 @@ void AppWindow::update_tasks_view()
 			new_slint_source.tasks = new_slint_tasks;
 			new_slint_source.id = source_group.id;
 			new_slint_source.name =
-				slint::SharedString(miraiInstance_->getSourceById(source_group.id)->name());
+				slint::SharedString(_mirai_core->getSourceById(source_group.id)->name());
 			const auto color = selenite::hexStringToColor(source->color());
 			new_slint_source.color = slint::Color::from_rgb_uint8(color.r, color.g, color.b);
 			if (new_slint_source.tasks->row_count() > 0) {
@@ -683,58 +681,58 @@ void AppWindow::update_tasks_view()
 	}
 }
 
-void AppWindow::show_source(const mirai::source &source)
+void app_logic::show_source(const mirai::source &source)
 {
 	_source_filters.insert_or_assign(source.id, true);
 }
 
-void AppWindow::hide_source(const mirai::source &source)
+void app_logic::hide_source(const mirai::source &source)
 {
 	_source_filters.insert_or_assign(source.id, false);
 }
 
-bool AppWindow::should_show_source(const mirai::source &source) const
+bool app_logic::should_show_source(const mirai::source &source) const
 {
 	const int source_id = source.id;
 	return _source_filters.contains(source_id) && _source_filters.at(source_id);
 }
 
-void AppWindow::show_all_sources()
+void app_logic::show_all_sources()
 {
-	auto &sources = miraiInstance_->getSources();
+	auto &sources = _mirai_core->getSources();
 	for (auto &source : sources) {
 		show_source(*source);
 	}
 }
 
-void AppWindow::hide_all_sources()
+void app_logic::hide_all_sources()
 {
 }
 
-void AppWindow::show_completed_tasks()
+void app_logic::show_completed_tasks()
 {
 }
 
-void AppWindow::hide_completed_tasks()
+void app_logic::hide_completed_tasks()
 {
 }
 
-bool AppWindow::should_hide_completed_tasks() const
+bool app_logic::should_hide_completed_tasks() const
 {
 	return true;
 }
 
-void AppWindow::run()
+void app_logic::run()
 {
-	mainWindow_->run();
+	_main_window->run();
 }
 
-const ui::AppModels &AppWindow::models()
+const ui::AppModels &app_logic::models()
 {
-	return mainWindow_->global<ui::AppModels>();
+	return _main_window->global<ui::AppModels>();
 }
 
-const ui::AppActions &AppWindow::actions()
+const ui::AppActions &app_logic::actions()
 {
-	return mainWindow_->global<ui::AppActions>();
+	return _main_window->global<ui::AppActions>();
 }
diff --git a/src/windows/AppWindow/AppWindow.h b/src/app_logic.h
similarity index 88%
rename from src/windows/AppWindow/AppWindow.h
rename to src/app_logic.h
index 2f34ba7..2e62a3d 100644
--- a/src/windows/AppWindow/AppWindow.h
+++ b/src/app_logic.h
@@ -13,11 +13,11 @@
 #include <unordered_map>
 #include <vector>
 
-class AppWindow
+class app_logic
 {
 
   public:
-	AppWindow(mirai::core *mirai);
+	app_logic(mirai::core *mirai);
 
 	void run();
 
@@ -50,9 +50,9 @@ class AppWindow
 	ui::TasksView _tasks_view;
 	ui::CalendarView _calendar_view;
 
-	slint::ComponentHandle<ui::AppWindow> mainWindow_ = ui::AppWindow::create();
+	slint::ComponentHandle<ui::AppWindow> _main_window = ui::AppWindow::create();
 
-	mirai::core *miraiInstance_;
+	mirai::core *_mirai_core;
 
 	std::unordered_map<int, bool> _source_filters;
 	bool _should_hide_completed_tasks;
diff --git a/src/main.cpp b/src/main.cpp
index 6f2ab2c..d331280 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -4,10 +4,10 @@
  * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
  */
 
+#include "app_logic.h"
 #include "evalyte-cpp-common/evalyte.h"
 #include "mirai-core/core.h"
 #include "ui.h"
-#include "windows/AppWindow/AppWindow.h"
 #include <cstdlib>
 #include <string>
 
@@ -16,7 +16,7 @@ int main(int argc, char **argv)
 	evalyte::create_required_directories("mirai");
 	const auto config_file_path = evalyte::config_directory_path("mirai") + "/config.json";
 	mirai::core mirai{config_file_path};
-	AppWindow appWindow{&mirai};
-	appWindow.run();
+	app_logic app{&mirai};
+	app.run();
 	return 0;
 }