Switch from Qt6 to Slint

lib/mirai-core/BaseFileResource.h

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+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_BASE_FILE_RESOURCE_H
+#define MIRAI_BASE_FILE_RESOURCE_H
+
+#include "BaseResource.h"
+#include <string>
+
+namespace mirai
+{
+
+struct BaseFileResourceConstructor {
+	std::string name;
+	std::string path;
+};
+
+class BaseFileResource : public BaseResource
+{
+  public:
+	BaseFileResource(BaseFileResourceConstructor data)
+		: BaseResource(data.name), path(data.path) {};
+
+	BaseFileResource(BaseFileResource &) = delete;
+	BaseFileResource(BaseFileResource &&) = delete;
+	~BaseFileResource() override = default;
+
+	const std::string &getPath() const
+	{
+		return path;
+	}
+
+  private:
+	std::string path;
+};
+} // namespace mirai
+#endif

lib/mirai-core/BaseResource.cpp

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+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "BaseResource.h"
+#include "TaskItem.h"
+#include "mirai-core/Day.h"
+#include <algorithm>
+#include <functional>
+#include <iostream>
+#include <memory>
+#include <ostream>
+
+namespace mirai
+{
+
+void BaseResource::setDirty(bool shouldBeDirty)
+{
+	isDirty_ = shouldBeDirty;
+}
+
+bool BaseResource::isDirty() const
+{
+	return isDirty_;
+}
+
+Day *BaseResource::day(const Date &date)
+{
+	auto dayFound = std::find_if(days_.begin(), days_.end(), [&](std::unique_ptr<Day> &day) {
+		return day->getDate().day == date.day && day->getDate().month == date.month &&
+			   day->getDate().year == date.year;
+	});
+	if (dayFound == days_.end()) {
+		auto newDay = std::make_unique<Day>(this, DayData{.date = date});
+		Day *dayPtr = newDay.get();
+		days_.push_back(std::move(newDay));
+		return dayPtr;
+	}
+	return dayFound->get();
+}
+
+std::vector<std::unique_ptr<Day>> *BaseResource::days()
+{
+	return &days_;
+}
+
+void BaseResource::addDay(const DayData &dayData)
+{
+	days_.push_back(std::make_unique<Day>(this, dayData));
+	setDirty(true);
+}
+
+TaskItem *BaseResource::getTaskById(int taskId)
+{
+	for (auto &day : days_) {
+		for (auto &task : *day->tasks()) {
+			if (task->id() == taskId) {
+				return task.get();
+			}
+		}
+		for (auto &event : *day->events()) {
+			for (auto &task : *event->tasks()) {
+				if (task->id() == taskId) {
+					return task.get();
+				}
+			}
+		}
+	}
+	return nullptr;
+}
+
+void BaseResource::deleteTask(const TaskItem &taskToDelete)
+{
+	for (auto &day : days_) {
+		for (auto &task : *day->tasks()) {
+			if (task->id() == taskToDelete.id()) {
+				day->deleteTask(taskToDelete);
+				return;
+			}
+		}
+		for (auto &event : *day->events()) {
+			for (auto &task : *event->tasks()) {
+				if (task->id() == taskToDelete.id()) {
+					event->deleteTask(taskToDelete);
+					return;
+				}
+			}
+		}
+	}
+}
+
+Event *BaseResource::getEventById(int eventId)
+{
+	for (auto &day : days_) {
+		for (auto &event : *day->events()) {
+			if (event->id() == eventId) {
+				return event.get();
+			}
+		}
+	}
+	return nullptr;
+}
+
+/*void BaseResource::addTask(TaskItemData taskItem)*/
+/*{*/
+/*tasks.push_back(std::make_unique<TaskItem>(this, taskItem));*/
+/*setDirty(true);*/
+/*}*/
+
+/*void BaseResource::removeTask(const TaskItem *taskToRemove)*/
+/*{*/
+/*auto findFunction = [&](const std::unique_ptr<TaskItem> &taskInFilter) {*/
+/*return taskInFilter.get() == taskToRemove;*/
+/*};*/
+/*auto taskToDelete = std::remove_if(tasks_.begin(), tasks_.end(), findFunction);*/
+/*if (taskToDelete == tasks_.end()) {*/
+/*return;*/
+/*}*/
+/*tasks_.erase(taskToDelete);*/
+/*setDirty(true);*/
+/*}*/
+
+int BaseResource::nextId_ = 0;
+
+} // namespace mirai

lib/mirai-core/BaseResource.h

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+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_BASE_RESOURCE_H
+#define MIRAI_BASE_RESOURCE_H
+
+#include "TaskItem.h"
+#include "mirai-core/DateTime.h"
+#include "mirai-core/Day.h"
+#include "mirai-core/Event.h"
+#include <memory>
+#include <optional>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+class BaseResource
+{
+
+  public:
+	struct AddTaskData {
+		std::string text;
+		Tags tags;
+	};
+
+	BaseResource(std::string name) : name_(name) {};
+	BaseResource(BaseResource &) = delete;
+	BaseResource(BaseResource &&) = delete;
+
+	virtual ~BaseResource() = default;
+	virtual void save() = 0;
+	virtual void load() = 0;
+
+	void setName(std::string name)
+	{
+		this->name_ = name;
+	}
+
+	const std::string &getName() const
+	{
+		return name_;
+	}
+
+	void addDay(const DayData &dayData);
+	Day *day(const Date &date);
+	std::vector<std::unique_ptr<Day>> *days();
+	TaskItem *getTaskById(int taskId);
+	Event *getEventById(int eventId);
+	void deleteTask(const TaskItem &task);
+
+	void setDirty(bool shouldBeDirty);
+	bool isDirty() const;
+
+	int id() const
+	{
+		return id_;
+	}
+
+  private:
+	static int nextId_;
+	int id_ = nextId_++;
+	std::string name_;
+	std::vector<std::unique_ptr<Day>> days_;
+	bool isDirty_ = false;
+};
+
+} // namespace mirai
+#endif

lib/mirai-core/Config.cpp

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+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "Config.h"
+#include "nlohmann/json.hpp"
+#include <fstream>
+#include <iostream>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+Config::Config(const std::string &path) : path_(path)
+{
+	std::ifstream file(path_);
+	configJson_ = nlohmann::json::parse(file);
+}
+
+std::vector<std::string> Config::sources() const
+{
+	std::vector<std::string> sources;
+	assert(configJson_.is_object());
+	assert(configJson_["files"].is_array());
+	auto jsonSources = configJson_["files"];
+	for (const auto &filePath : jsonSources) {
+		assert(filePath.is_string());
+		sources.push_back(filePath.get<std::string>());
+	}
+	return sources;
+}
+
+}; // namespace mirai

lib/mirai-core/Config.h

@@ -0,0 +1,27 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include "nlohmann/json.hpp"
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+class Config
+{
+  public:
+	Config(const std::string &path);
+
+	std::vector<std::string> sources() const;
+
+  private:
+	std::string path_;
+	nlohmann::json configJson_;
+};
+} // namespace mirai

lib/mirai-core/DateTime.cpp

@@ -0,0 +1,37 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "mirai-core/DateTime.h"
+#include <charconv>
+#include <optional>
+#include <ranges>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+std::optional<mirai::Date> stringToDate(const std::string &dateStr)
+{
+	using std::operator""sv;
+
+	auto dateSplitView =
+		dateStr | std::views::split("-"sv) | std::views::transform([](auto v) -> int {
+			int i = 0;
+			std::from_chars(v.data(), v.data() + v.size(), i);
+			return i;
+		});
+	std::vector<int> dateSplit{dateSplitView.begin(), dateSplitView.end()};
+	if (dateSplit.size() != 3) {
+		return std::nullopt;
+	}
+
+	auto year = dateSplit[0];
+	auto month = dateSplit[1];
+	auto day = dateSplit[2];
+	return mirai::Date(year, static_cast<unsigned>(month), static_cast<unsigned>(day));
+}
+} // namespace mirai

lib/mirai-core/DateTime.h

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+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include <bits/chrono.h>
+#include <chrono>
+#include <ctime>
+#include <optional>
+#include <string>
+
+namespace mirai
+{
+
+struct Date {
+	explicit Date(int year, unsigned month, unsigned day) : year(year), month(month), day(day)
+	{
+	}
+
+	explicit Date(std::chrono::time_point<std::chrono::system_clock> tp)
+	{
+		auto chronoDate = std::chrono::year_month_day(std::chrono::floor<std::chrono::days>(tp));
+		year = static_cast<int>(chronoDate.year());
+		month = static_cast<unsigned>(chronoDate.month());
+		day = static_cast<unsigned>(chronoDate.day());
+	}
+
+	explicit Date(std::chrono::year_month_day chronoDate)
+	{
+		year = static_cast<int>(chronoDate.year());
+		month = static_cast<unsigned>(chronoDate.month());
+		day = static_cast<unsigned>(chronoDate.day());
+	}
+
+	int year;
+	unsigned month;
+	unsigned day;
+
+	bool operator==(const Date &other) const
+	{
+		return other.year == year && other.month == month && other.day == day;
+	}
+
+	bool operator<(const Date &other) const
+	{
+		if (year < other.year) {
+			return true;
+		}
+		if (year == other.year && month < other.month) {
+			return true;
+		}
+		if (year == other.year && month == other.month && day < other.day) {
+			return true;
+		}
+		return false;
+	}
+
+	bool operator>(const Date &other) const
+	{
+		return !(*this < other) && !(*this == other);
+	}
+};
+
+struct Time {
+	int hour;
+	int minute;
+
+	bool operator==(const Time &other) const
+	{
+		return other.hour == hour && other.minute == minute;
+	}
+
+	bool operator<(const Time &other) const
+	{
+		if (hour < other.hour) {
+			return true;
+		}
+		if (hour == other.hour && minute < other.minute) {
+			return true;
+		}
+		return false;
+	}
+
+	bool operator>(const Time &other) const
+	{
+		return !(*this < other) && !(*this == other);
+	}
+};
+
+std::optional<mirai::Date> stringToDate(const std::string &dateStr);
+
+} // namespace mirai

lib/mirai-core/Day.cpp

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+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "Day.h"
+#include "mirai-core/BaseResource.h"
+#include <algorithm>
+#include <iostream>
+#include <memory>
+#include <ostream>
+#include <vector>
+
+namespace mirai
+{
+
+Day::Day(BaseResource *source, const DayData &data) : source_(source), data_(data)
+{
+}
+
+Event *Day::createEvent(const EventData &eventData)
+{
+	auto event = std::make_unique<Event>(source_, this, eventData);
+	mirai::Event *eventPtr = event.get();
+	events_.push_back(std::move(event));
+	onChange();
+	return eventPtr;
+}
+
+std::vector<std::unique_ptr<Event>> *Day::events()
+{
+	return &events_;
+}
+
+const Date &Day::getDate() const
+{
+	return data_.date;
+}
+
+TaskItem *Day::createTask(const TaskItemData &taskData)
+{
+	auto task = std::make_unique<TaskItem>(source_, this, taskData);
+	mirai::TaskItem *taskPtr = task.get();
+	tasks_.push_back(std::move(task));
+	onChange();
+	return taskPtr;
+}
+
+void Day::deleteTask(const TaskItem &taskToDelete)
+{
+	int id = taskToDelete.id();
+	tasks_.erase(
+		std::remove_if(
+			tasks_.begin(), tasks_.end(),
+			[&](const std::unique_ptr<TaskItem> &task) {
+				return task->id() == id;
+			}
+		),
+		tasks_.end()
+	);
+	onChange();
+}
+
+void Day::deleteEvent(const Event &eventToDelete)
+{
+	int id = eventToDelete.id();
+	events_.erase(
+		std::remove_if(
+			events_.begin(), events_.end(),
+			[&](const std::unique_ptr<Event> &event) {
+				return event->id() == id;
+			}
+		),
+		events_.end()
+	);
+	onChange();
+}
+
+void Day::onChange()
+{
+	source()->setDirty(true);
+}
+
+std::vector<std::unique_ptr<TaskItem>> *Day::tasks()
+{
+	return &tasks_;
+}
+} // namespace mirai

lib/mirai-core/Day.h

@@ -0,0 +1,66 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include "mirai-core/DateTime.h"
+#include "mirai-core/Event.h"
+#include "mirai-core/TaskItem.h"
+#include "using.h"
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+class BaseResource;
+
+struct DayData {
+	Date date;
+	std::vector<EventData> events;
+	std::vector<TaskItemData> tasks;
+};
+
+class Day
+{
+  public:
+	Day(BaseResource *source, const DayData &data);
+	void setDate(const Date &date);
+
+	Event *createEvent(const EventData &eventData);
+	TaskItem *createTask(const TaskItemData &taskData);
+	void deleteTask(const TaskItem &taskToDelete);
+	void deleteEvent(const Event &eventToDelete);
+	std::vector<std::unique_ptr<Event>> *events();
+	std::vector<std::unique_ptr<TaskItem>> *tasks();
+
+	const Date &getDate() const;
+
+	Event *getEventById(int eventId)
+	{
+		for (auto &event : events_) {
+			if (event->id() == eventId) {
+				return event.get();
+			}
+		}
+		return nullptr;
+	}
+
+	BaseResource *source()
+	{
+		return source_;
+	}
+
+  private:
+	void onChange();
+
+	BaseResource *source_;
+	std::vector<std::unique_ptr<Event>> events_;
+	std::vector<std::unique_ptr<TaskItem>> tasks_;
+	DayData data_;
+};
+} // namespace mirai

lib/mirai-core/Event.cpp

@@ -0,0 +1,99 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "Event.h"
+#include "BaseResource.h"
+#include "mirai-core/TaskItem.h"
+#include "utils.h"
+
+namespace mirai
+{
+
+Event::Event(BaseResource *source, Day *parent, const EventData &data)
+	: source_(source), day_(parent), data(data)
+{
+}
+
+void Event::setText(const std::string &text)
+{
+	this->data.description = text;
+	onChange();
+}
+
+const std::string &Event::getText() const
+{
+	return data.description;
+}
+
+const Date &Event::getDate() const
+{
+	return data.date;
+}
+
+const Time &Event::getStartTime() const
+{
+	return data.startTime;
+}
+
+const Time &Event::getEndTime() const
+{
+	return data.endTime;
+}
+
+const Tags &Event::getTags() const
+{
+	return data.tags;
+}
+
+bool Event::hasTag(const std::string &tag) const
+{
+	return vectorUtils::contains(data.tags, tag);
+}
+
+TaskItem *Event::createTask(const TaskItemData &taskData)
+{
+	auto task = std::make_unique<TaskItem>(source_, day_, taskData);
+	mirai::TaskItem *taskPtr = task.get();
+	tasks_.push_back(std::move(task));
+	onChange();
+	return taskPtr;
+}
+
+void Event::deleteTask(const TaskItem &taskToDelete)
+{
+	tasks_.erase(std::remove_if(
+		tasks_.begin(), tasks_.end(),
+		[&](const std::unique_ptr<TaskItem> &task) {
+			return task->id() == taskToDelete.id();
+		}
+	));
+}
+
+std::vector<std::unique_ptr<TaskItem>> *Event::tasks()
+{
+	return &tasks_;
+}
+
+void Event::setStartTime(const Time &time)
+{
+	data.startTime = time;
+	onChange();
+}
+
+void Event::setEndTime(const Time &time)
+{
+	data.endTime = time;
+	onChange();
+}
+
+void Event::onChange()
+{
+	source_->setDirty(true);
+}
+
+int Event::nextId = 0;
+
+} // namespace mirai

lib/mirai-core/Event.h

@@ -0,0 +1,80 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#pragma once
+
+#include "mirai-core/DateTime.h"
+#include "mirai-core/TaskItem.h"
+#include "using.h"
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+class BaseResource;
+
+struct EventData {
+	std::string description;
+	Date date;
+	Time startTime;
+	Time endTime;
+	Tags tags;
+	std::vector<TaskItemData> tasks;
+};
+
+class Day;
+
+class Event
+{
+  private:
+  public:
+	Event(BaseResource *source, Day *parent, const EventData &data);
+
+	Event &operator=(const EventData &newData)
+	{
+		data = newData;
+		onChange();
+		return *this;
+	};
+
+	void setText(const std::string &text);
+	void setStartTime(const Time &time);
+	void setEndTime(const Time &time);
+
+	TaskItem *createTask(const TaskItemData &taskData);
+	void deleteTask(const TaskItem &taskToDelete);
+	std::vector<std::unique_ptr<TaskItem>> *tasks();
+
+	const std::string &getText() const;
+	const Date &getDate() const;
+	const Time &getStartTime() const;
+	const Time &getEndTime() const;
+	const Tags &getTags() const;
+	bool hasTag(const std::string &tag) const;
+
+	int id() const
+	{
+		return id_;
+	}
+
+	Day *day()
+	{
+		return day_;
+	}
+
+  private:
+	void onChange();
+
+	static int nextId;
+	int id_ = nextId++;
+	Day *day_;
+	EventData data;
+	std::vector<std::unique_ptr<TaskItem>> tasks_;
+	BaseResource *source_;
+};
+} // namespace mirai

lib/mirai-core/EventEmitter.cpp

@@ -0,0 +1,7 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "EventEmitter.h"

lib/mirai-core/EventEmitter.h

@@ -0,0 +1,28 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include <functional>
+#include <vector>
+
+template <typename T> class EventEmitter
+{
+
+  public:
+	void registerCallback(std::function<T> func)
+	{
+		callbacks.push_back(func);
+	}
+
+	void emit(T data)
+	{
+		for (auto &callback : callbacks) {
+			callback(data);
+		}
+	}
+
+  private:
+	std::vector<std::function<T>> callbacks;
+};

lib/mirai-core/Mirai.cpp

@@ -0,0 +1,92 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "Mirai.h"
+#include "TaskItem.h"
+#include "cpp-utils/debug.h"
+#include "mirai-core/Config.h"
+#include "utils.h"
+#include <algorithm>
+#include <iostream>
+#include <memory>
+#include <optional>
+#include <ostream>
+#include <vector>
+
+namespace mirai
+{
+
+void Mirai::loadResource(std::unique_ptr<BaseResource> &&resource)
+{
+	resource->load();
+	resources_.push_back(std::move(resource));
+	reloadTags();
+};
+
+void Mirai::unloadAllResources()
+{
+	resources_.clear();
+}
+
+void Mirai::save()
+{
+	for (auto &resource : resources_) {
+		if (resource->isDirty()) {
+			resource->save();
+			resource->setDirty(false);
+		}
+	}
+	reloadTags();
+}
+
+void Mirai::removeTask(const TaskItem *taskItem)
+{
+	for (auto &resource : resources_) {
+		// resource->removeTask(taskItem); // TODO REWORK
+	}
+}
+
+std::vector<std::unique_ptr<BaseResource>> &Mirai::getResources()
+{
+	return resources_;
+}
+
+std::optional<std::reference_wrapper<BaseResource>> Mirai::getResourceByName(const std::string &name
+)
+{
+	auto resourceIterator =
+		std::ranges::find_if(resources_, [&](const std::unique_ptr<BaseResource> &resource) {
+			return resource->getName() == name;
+		});
+
+	if (resourceIterator == resources_.end()) {
+		return std::nullopt;
+	}
+	return *(resourceIterator->get());
+}
+
+const std::vector<std::string> &Mirai::getTags()
+{
+	return tags_;
+}
+
+void Mirai::reloadTags()
+{
+	/*cpputils::debug::Timer reloadingTagsDuration;*/ // TODO REWORK
+													  /*tags.clear();*/
+													  /*for (auto &resource : resources) {*/
+													  /*for (auto &task : resource->getTasks()) {*/
+													  /*for (auto &tag : task->getTags()) {*/
+													  /*if (!vectorUtils::contains(tags, tag)) {*/
+													  /*tags.push_back(tag);*/
+													  /*}*/
+													  /*}*/
+													  /*}*/
+													  /*}*/
+	/*reloadingTagsDuration.printTimeElapsed("ReloadingTags");*/
+}
+
+} // namespace mirai

lib/mirai-core/Mirai.h

@@ -0,0 +1,55 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_MIRAI_H
+#define MIRAI_MIRAI_H
+
+#include "BaseFileResource.h"
+#include "TaskItem.h"
+#include "TodoMd.h"
+#include "mirai-core/BaseResource.h"
+#include <algorithm>
+#include <functional>
+#include <map>
+#include <memory>
+#include <optional>
+#include <string>
+
+namespace mirai
+{
+
+class Mirai
+{
+
+  public:
+	void loadResource(std::unique_ptr<BaseResource> &&resource);
+	void unloadAllResources();
+	void save();
+	void removeTask(const TaskItem *taskItem);
+	std::optional<std::reference_wrapper<BaseResource>> getResourceByName(const std::string &name);
+
+	std::vector<std::unique_ptr<BaseResource>> &getResources();
+	const std::vector<std::string> &getTags();
+
+	void reloadTags();
+
+	// new stuff
+
+	// Returns a non owning pointer to the requested resource or nullptr if not found.
+	BaseResource *getResourceById(int id)
+	{
+		if (id >= resources_.size()) {
+			return nullptr;
+		}
+		return resources_.at(id).get();
+	}
+
+  private:
+	std::vector<std::unique_ptr<BaseResource>> resources_;
+	std::vector<std::string> tags_;
+};
+} // namespace mirai
+#endif

lib/mirai-core/StdFileResource.h

@@ -0,0 +1,74 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_STD_FILE_RESOURCE_H
+#define MIRAI_STD_FILE_RESOURCE_H
+
+#include "BaseFileResource.h"
+#include "TodoMd.h"
+#include <fstream>
+#include <iostream>
+#include <ostream>
+#include <string>
+
+namespace mirai
+{
+
+class StdFileResource : public BaseFileResource
+{
+  public:
+	StdFileResource(BaseFileResourceConstructor data) : BaseFileResource(data) {};
+	StdFileResource(StdFileResource &) = delete;
+	StdFileResource(StdFileResource &&) = delete;
+	StdFileResource operator=(StdFileResource &) = delete;
+	StdFileResource operator=(StdFileResource &&) = delete;
+
+	~StdFileResource() override = default;
+
+	void save() override
+	{
+		std::ofstream file(getPath());
+		if (!file.is_open()) {
+			throw std::runtime_error("can't create " + getPath());
+		}
+
+		const std::string content = TodoMdFormat::stringify(getName(), *days());
+
+		file << content;
+		file.close();
+	};
+
+	void load() override
+	{
+		std::ifstream file(getPath());
+		if (!file.is_open()) {
+			return;
+		}
+		std::string content = "";
+		std::string line;
+
+		while (std::getline(file, line)) {
+			content += line + "\n";
+		}
+		file.close();
+		auto result = TodoMdFormat::parse(content);
+		for (const auto &dayData : result.days) {
+			Day *newDay = day(dayData.date);
+			for (const auto &eventData : dayData.events) {
+				Event *newEvent = newDay->createEvent(eventData);
+				for (const auto &taskData : eventData.tasks) {
+					TaskItem *newTask = newEvent->createTask(taskData);
+				}
+			}
+			for (const auto &taskData : dayData.tasks) {
+				TaskItem *newTask = newDay->createTask(taskData);
+			}
+		}
+		setName(result.name);
+	};
+};
+} // namespace mirai
+#endif

lib/mirai-core/TaskItem.cpp

@@ -0,0 +1,65 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "TaskItem.h"
+#include "BaseResource.h"
+#include "utils.h"
+#include <iostream>
+
+namespace mirai
+{
+
+int TaskItem::nextId = 0;
+
+TaskItem::TaskItem(BaseResource *source, Day *day, TaskItemData data)
+	: source_(source), day_(day), data(data)
+{
+}
+
+void TaskItem::markAsDone()
+{
+	data.state = DONE;
+	onChange();
+}
+
+void TaskItem::markAsUndone()
+{
+	data.state = TODO;
+	onChange();
+}
+
+void TaskItem::setText(const std::string &text)
+{
+	this->data.text = text;
+	onChange();
+}
+
+const std::string &TaskItem::getText() const
+{
+	return data.text;
+}
+
+const TaskItemState &TaskItem::getState() const
+{
+	return data.state;
+}
+
+const Tags &TaskItem::getTags() const
+{
+	return data.tags;
+}
+
+bool TaskItem::hasTag(const std::string &tag) const
+{
+	return vectorUtils::contains(data.tags, tag);
+}
+
+void TaskItem::onChange()
+{
+	source()->setDirty(true);
+}
+
+} // namespace mirai

lib/mirai-core/TaskItem.h

@@ -0,0 +1,81 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_TASKITEM_H
+#define MIRAI_TASKITEM_H
+
+#include "using.h"
+#include <functional>
+#include <string>
+
+namespace mirai
+{
+
+class BaseResource;
+class Day;
+
+enum TaskItemState { TODO, DONE };
+
+struct TaskItemData {
+	std::string text;
+	TaskItemState state;
+	Tags tags;
+};
+
+class TaskItem
+{
+  public:
+	TaskItem(BaseResource *source, Day *day, const TaskItemData data);
+
+	TaskItem &operator=(const TaskItemData &newData)
+	{
+		data = newData;
+		onChange();
+		return *this;
+	};
+
+	void markAsDone();
+
+	void markAsUndone();
+	void setDate(const std::string &date);
+
+	void setText(const std::string &text);
+
+	const std::string &getLine() const;
+	const std::string &getText() const;
+	const TaskItemState &getState() const;
+	const Tags &getTags() const;
+	bool hasTag(const std::string &tag) const;
+
+	int id() const
+	{
+		return id_;
+	}
+
+	BaseResource *source()
+	{
+		return source_;
+	}
+
+	Day *day()
+	{
+		return day_;
+	}
+
+  private:
+	void onChange();
+
+	static int nextId;
+	int id_ = nextId++;
+	TaskItemData data;
+
+	BaseResource *source_;
+	Day *day_;
+};
+
+} // namespace mirai
+
+#endif

lib/mirai-core/TasksView.cpp

@@ -0,0 +1,176 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "TasksView.h"
+#include "Mirai.h"
+#include "mirai-core/TaskItem.h"
+#include "utils.h"
+#include <algorithm>
+#include <chrono>
+#include <cstddef>
+#include <ctime>
+#include <format>
+#include <iostream>
+#include <memory>
+#include <ostream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+TasksView::TasksView(Mirai *miraiInstance) : mirai(miraiInstance)
+{
+	if (!miraiInstance) {
+		throw std::runtime_error("NULL pointer passed in TasksView");
+	}
+	update();
+}
+
+FilteredDay &TasksView::operator[](int index)
+{
+	return filteredDays.at(index);
+}
+
+size_t TasksView::count() const
+{
+	return filteredDays.size();
+}
+
+void TasksView::update()
+{
+	auto todayDate = std::format("{:%Y-%m-%d}", std::chrono::system_clock::now());
+	filteredDays.clear();
+
+	for (auto &file : mirai->getResources()) {
+		if (resourcesFilter.size() > 0 &&
+			!vectorUtils::contains(resourcesFilter, file->getName())) {
+			continue;
+		}
+		for (auto &day : *file->days()) {
+			FilteredDay filteredDay{.day = day.get()};
+			for (auto &task : *day->tasks()) {
+				auto taskDate = std::format(
+					"{}-0{}-{}", day->getDate().year, // TODO REWORK REMOVE 0{}
+					day->getDate().month,
+					day->getDate().day // TODO REWORK CLEAN THIS MESS
+				);
+				if (shouldHideCompletedTasks() && task->getState() == DONE &&
+					taskDate < todayDate) {
+					continue;
+				}
+				if (tagsFilter.size() > 0 &&
+					!vectorUtils::containsAll(tagsFilter, task->getTags())) {
+					continue;
+				}
+				filteredDay.filteredTasks.push_back(task.get());
+			}
+			for (auto &event : *day->events()) {
+				FilteredEvent filteredEvent{.event = event.get()};
+				auto eventDate = std::format(
+					// TODO REWORK
+					"{}-0{}-{}", day->getDate().year, day->getDate().month, day->getDate().day
+				);
+				for (auto &task : *event->tasks()) {
+
+					if (shouldHideCompletedTasks() && task->getState() == DONE &&
+						eventDate < todayDate) {
+						continue;
+					}
+					if (tagsFilter.size() > 0 &&
+						!vectorUtils::containsAll(tagsFilter, task->getTags())) {
+						continue;
+					}
+					filteredEvent.filteredTasks.push_back(task.get());
+				}
+				if (!filteredEvent.filteredTasks.empty() || !shouldHideCompletedTasks() ||
+					eventDate >= todayDate) {
+					filteredDay.filteredEvents.push_back(filteredEvent);
+				}
+			}
+			if (!filteredDay.filteredEvents.empty()) {
+				std::ranges::sort(
+					filteredDay.filteredEvents,
+					[](const FilteredEvent &t1, const FilteredEvent &t2) {
+						return t1.event->getStartTime().hour < t2.event->getStartTime().hour;
+					}
+				);
+			}
+			if (!filteredDay.filteredEvents.empty() || !filteredDay.filteredTasks.empty()) {
+				auto existingDay = std::ranges::find_if(filteredDays, [&](const FilteredDay &date) {
+					return date.day->getDate() == filteredDay.day->getDate();
+				});
+				if (existingDay == filteredDays.end()) {
+					filteredDays.push_back(filteredDay);
+				} else {
+					existingDay->filteredTasks.insert(
+						existingDay->filteredTasks.end(), filteredDay.filteredTasks.begin(),
+						filteredDay.filteredTasks.end()
+					);
+					existingDay->filteredEvents.insert(
+						existingDay->filteredEvents.end(), filteredDay.filteredEvents.begin(),
+						filteredDay.filteredEvents.end()
+					);
+				}
+			}
+		}
+
+		std::ranges::sort(filteredDays, [](const FilteredDay &t1, const FilteredDay &t2) {
+			return t1.day->getDate() < t2.day->getDate();
+		});
+	}
+}
+
+void TasksView::addTagFilter(const std::string &tag)
+{
+	tagsFilter.push_back(tag);
+	update();
+}
+
+void TasksView::removeTagFilter(const std::string &tag)
+{
+	tagsFilter
+		.erase(std::remove_if(tagsFilter.begin(), tagsFilter.end(), [&](const auto &tagInFilter) {
+			return tag == tagInFilter;
+		}));
+
+	update();
+}
+
+void TasksView::addResourceFilter(const std::string &fileName)
+{
+	resourcesFilter.push_back(fileName);
+	update();
+}
+
+void TasksView::removeResourceFilter(const std::string &fileName)
+{
+	resourcesFilter.erase(std::remove_if(
+		resourcesFilter.begin(), resourcesFilter.end(),
+		[&](const auto &fileInFilter) {
+			return fileName == fileInFilter;
+		}
+	));
+	update();
+}
+
+void TasksView::removeFilters()
+{
+	tagsFilter.clear();
+	update();
+}
+
+const std::vector<std::string> &TasksView::getActiveTagsFilter()
+{
+	return tagsFilter;
+}
+
+const std::vector<std::string> &TasksView::getActiveFilesFilter()
+{
+	return resourcesFilter;
+}
+} // namespace mirai

lib/mirai-core/TasksView.h

@@ -0,0 +1,87 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_TASKSVIEW_H
+#define MIRAI_TASKSVIEW_H
+#include "Mirai.h"
+#include "mirai-core/TaskItem.h"
+#include "using.h"
+#include <cstddef>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+struct FilteredEvent {
+	Event *event;
+	std::vector<TaskItem *> filteredTasks;
+};
+
+struct FilteredDay {
+	Day *day;
+	std::vector<FilteredEvent> filteredEvents;
+	std::vector<TaskItem *> filteredTasks;
+};
+
+class TasksView
+{
+
+  public:
+	TasksView(Mirai *mirai);
+
+	FilteredDay &operator[](int index);
+
+	size_t count() const;
+	void update();
+	void addTagFilter(const std::string &tag);
+	void removeTagFilter(const std::string &tag);
+	void addResourceFilter(const std::string &fileName);
+	void removeResourceFilter(const std::string &fileName);
+	void removeFilters();
+	const Tags &getActiveTagsFilter();
+	const std::vector<std::string> &getActiveFilesFilter();
+
+	void hideCompletedTasks(bool hide)
+	{
+		shouldHideCompletedTasks_ = hide;
+	}
+
+	bool shouldHideCompletedTasks() const
+	{
+		return shouldHideCompletedTasks_;
+	}
+
+	/*auto begin()*/ // TODO REWORK
+	/*{*/
+	/*return tasksToShow.begin();*/
+	/*}*/
+
+	/*auto begin() const*/
+	/*{*/
+	/*return tasksToShow.cbegin();*/
+	/*}*/
+
+	/*auto end() const*/
+	/*{*/
+	/*return tasksToShow.cend();*/
+	/*}*/
+
+	/*auto end()*/
+	/*{*/
+	/*return tasksToShow.end();*/
+	/*}*/
+
+  private:
+	std::vector<FilteredDay> filteredDays;
+
+	Mirai *mirai;
+	Tags tagsFilter;
+	std::vector<std::string> resourcesFilter;
+	bool shouldHideCompletedTasks_ = true;
+};
+} // namespace mirai
+#endif

lib/mirai-core/TodoMd.cpp

@@ -0,0 +1,134 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "TodoMd.h"
+#include "TaskItem.h"
+#include "cpp-utils/debug.h"
+#include "utils.h"
+#include <charconv>
+#include <fstream>
+#include <iostream>
+#include <memory>
+#include <ranges>
+#include <stdexcept>
+#include <string>
+#include <string_view>
+
+namespace mirai
+{
+
+Tags TodoMdFormat::extractTagsFromMetadata(std::string metadata)
+{
+	Tags tags;
+
+	std::regex regex("(#([a-zA-Z0-1]+))");
+	std::smatch matches;
+
+	while (std::regex_search(metadata, matches, regex)) {
+		if (!vectorUtils::contains(tags, matches[2].str())) {
+			tags.push_back(matches[2]);
+		}
+		metadata = matches.suffix();
+	}
+	return tags;
+}
+
+std::string TodoMdFormat::fieldWithSpace(const std::string &field)
+{
+	if (field.length() == 0) {
+		return "";
+	}
+	return (field + " ");
+}
+
+TaskItemData TodoMdFormat::stringToTask(const std::string &str, const std::string &date)
+{
+	std::smatch matches;
+	std::regex regex("- \\[(\\s|X)\\] (([0-9]{2}:[0-9]{2})-([0-9]{2}:[0-9]{2}) > )?(.*?)( -- (.*))?"
+	);
+	std::regex_match(str, matches, regex);
+
+	/*std::cout << "line " << str << std::endl;*/
+	/*std::cout << "M 0 " << matches[0] << std::endl;*/
+	/*std::cout << "M 1 " << matches[1] << std::endl;*/
+	/*std::cout << "M 2 " << matches[2] << std::endl;*/
+	/*std::cout << "M 3 " << matches[3] << std::endl;*/
+	/*std::cout << "M 4 " << matches[4] << std::endl;*/
+	/*std::cout << "M 5 " << matches[5] << std::endl;*/
+	/*std::cout << "M 6 " << matches[6] << std::endl;*/
+	/*std::cout << "M 7 " << matches[7] << std::endl;*/
+
+	std::string text = stringUtils::trim(matches[5]);
+
+	TaskItemData taskItem{
+		.text = text,
+		.state = str.substr(0, 5) == "- [X]" ? DONE : TODO,
+		.tags = extractTagsFromMetadata(matches[7])
+	};
+	return taskItem;
+}
+
+Time stringToTime(const std::string &str)
+{
+	if (str.length() != 5) {
+		throw std::runtime_error("Str time length must be 5 (got '" + str + "')");
+	}
+	if (str[2] != 'h') {
+		throw std::runtime_error("Malformated time range");
+	}
+	Time time{};
+	std::from_chars(str.data(), str.data() + 2, time.hour);
+	std::from_chars(str.data() + 3, str.data() + 5, time.minute);
+
+	return time;
+}
+
+EventData TodoMdFormat::stringToEvent(const std::string &str, const std::string &dateString)
+{
+	std::smatch matches;
+	std::regex regex("> (([0-9]{2}h[0-9]{2})-([0-9]{2}h[0-9]{2}) )(.*?)( -- (.*))?");
+	std::regex_match(str, matches, regex);
+
+	/*std::cout << "line " << str << std::endl;*/
+	/*std::cout << "M 0 " << matches[0] << std::endl;*/
+	/*std::cout << "M 1 " << matches[1] << std::endl;*/
+	/*std::cout << "M 2 " << matches[2] << std::endl;*/
+	/*std::cout << "M 3 " << matches[3] << std::endl;*/
+	/*std::cout << "M 4 " << matches[4] << std::endl;*/
+	/*std::cout << "M 5 " << matches[5] << std::endl;*/
+	/*std::cout << "M 6 " << matches[6] << std::endl;*/
+
+	std::string text = stringUtils::trim(matches[4]);
+
+	auto date = stringToDate(dateString);
+
+	if (!date.has_value()) {
+		throw std::runtime_error("Malformated date");
+	}
+
+	EventData eventData{
+		.description = text,
+		.date = date.value(),
+		.startTime = stringToTime(matches[2]),
+		.endTime = stringToTime(matches[3]),
+		.tags = extractTagsFromMetadata(matches[6])
+	};
+	return eventData;
+}
+
+std::string TodoMdFormat::taskToString(const TaskItem &task)
+{
+	std::string str = task.getText();
+	if (task.getTags().size() > 0) {
+		str += " --";
+		for (const std::string &tag : task.getTags()) {
+			str += " #" + tag;
+		}
+	}
+	str = (task.getState() == DONE ? "- [X] " : "- [ ] ") + str;
+	return str;
+}
+} // namespace mirai

lib/mirai-core/TodoMd.h

@@ -0,0 +1,135 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_TODOMD_H
+#define MIRAI_TODOMD_H
+
+#include "TaskItem.h"
+#include "cpp-utils/debug.h"
+#include "cpp-utils/string.h"
+#include "mirai-core/DateTime.h"
+#include "mirai-core/Day.h"
+#include "mirai-core/Event.h"
+#include <format>
+#include <optional>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+
+struct MiraiMarkdownFormatParseResult {
+	std::string name;
+	std::vector<DayData> days;
+};
+
+class TodoMdFormat
+{
+  public:
+	static std::string
+	stringify(const std::string &name, const std::vector<std::unique_ptr<Day>> &days)
+	{
+		std::string result = "# " + name + "\n\n";
+		std::string currentDate = "";
+
+		for (const auto &day : days) {
+			auto &date = day->getDate();
+			result += "## " + std::format("{:02d}-{:02d}-{:02d}", date.year, date.month, date.day) +
+					  "\n\n";
+			for (const auto &event : *(day->events())) {
+				auto &start = event->getStartTime();
+				auto &end = event->getEndTime();
+				result += "> " +
+						  std::format(
+							  "{:02d}h{:02d}-{:02d}h{:02d} {}", start.hour, start.minute, end.hour,
+							  end.minute, event->getText()
+						  ) +
+						  "\n";
+				for (const auto &task : *(event->tasks())) {
+					result += taskToString(*task) + '\n';
+				}
+				result += '\n';
+			}
+			for (const auto &task : *(day->tasks())) {
+				result += taskToString(*task) + '\n';
+			}
+			result += '\n';
+		}
+
+		return result;
+	};
+
+	static MiraiMarkdownFormatParseResult parse(const std::string &content)
+	{
+		cpputils::debug::Timer readMdFormatDuration;
+		std::vector<TaskItem> taskItems;
+		std::string line;
+
+		std::stringstream contentStream(content);
+
+		if (!std::getline(contentStream, line) || line.substr(0, 2) != "# ") {
+			std::cerr << "Couldn't find the task list name" << std::endl;
+		}
+
+		std::string name = line.substr(2);
+		std::string currentDateString = "";
+
+		std::vector<mirai::DayData> daysData;
+		mirai::DayData *currentDay = nullptr;
+		mirai::EventData *currentEvent = nullptr;
+
+		cpputils::debug::Timer stringToTaskDuration;
+		stringToTaskDuration.reset();
+		cpputils::debug::Timer gelinesDuration;
+		while (std::getline(contentStream, line)) {
+			if (std::string_view{line.data(), 3} == "## ") {
+				currentDateString = line.substr(3);
+				auto dateOpt = mirai::stringToDate(currentDateString);
+				if (!dateOpt.has_value()) {
+					throw std::runtime_error("Malformated date");
+				}
+				daysData.push_back({.date = dateOpt.value()});
+				currentDay = &daysData.back();
+			} else if (line.starts_with("> ")) {
+				auto event = stringToEvent(line, currentDateString);
+				if (currentDay) {
+					currentDay->events.push_back(event);
+					currentEvent = &currentDay->events.back();
+				}
+			} else if (line.starts_with("- [ ]") || line.starts_with("- [X]")) {
+				stringToTaskDuration.start();
+				TaskItemData taskItemData = stringToTask(line, currentDateString);
+				stringToTaskDuration.stop();
+				if (currentEvent) {
+					currentEvent->tasks.push_back(taskItemData);
+				} else if (currentDay) {
+					currentDay->tasks.push_back(taskItemData);
+				}
+			} else if (cpputils::string::trim(line) == "") {
+				currentEvent = nullptr;
+			}
+		}
+
+		gelinesDuration.printTimeElapsed("getlinesDuration");
+		stringToTaskDuration.printTimeElapsed("stringToTaskDuration");
+		readMdFormatDuration.printTimeElapsed("Reading MD File duration");
+		return {.name = name, .days = daysData};
+	}
+
+	static std::string taskToString(const TaskItem &task);
+	static TaskItemData stringToTask(const std::string &str, const std::string &date);
+	static EventData stringToEvent(const std::string &str, const std::string &date);
+
+  private:
+	static std::string fieldWithSpace(const std::string &field);
+	static TaskItem parseLine(const std::string &line);
+	static Tags extractTagsFromMetadata(std::string metadata);
+};
+} // namespace mirai
+
+#endif

lib/mirai-core/TodoTxt.h

@@ -0,0 +1,94 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_TODOTXT_H
+#define MIRAI_TODOTXT_H
+
+/*#include "TaskItem.h"*/
+/*#include "utils.h"*/
+/*#include <fstream>*/
+/*#include <iostream>*/
+/*#include <iterator>*/
+/*#include <memory>*/
+/*#include <regex>*/
+/*#include <stdexcept>*/
+/*#include <string>*/
+/*#include <vector>*/
+
+/*namespace mirai {*/
+
+/*class TodoTxtFormat {*/
+/*public:*/
+
+/*static TaskList readFile() {*/
+/*std::ifstream file("../newqml/todo.txt");*/
+/*if (!file.is_open()) {*/
+/*throw std::runtime_error("todo.txt file not found");*/
+/*}*/
+/*std::vector<TaskItem> taskItems;*/
+/*std::string line;*/
+/*while (std::getline(file, line)) {*/
+/*auto taskItem = parseLine(line);*/
+/*taskItems.push_back(taskItem);*/
+/*}*/
+/*file.close();*/
+/*TaskList tasks({*/
+/*.tasks = taskItems*/
+/*});*/
+/*return tasks;*/
+/*}*/
+
+/*static void writeFile(TaskList& tasks) {*/
+/*std::ofstream file("../newqml/todo.txt");*/
+/*if (!file.is_open()) {*/
+/*throw std::runtime_error("can't create todo.txt");*/
+/*}*/
+/*for (const auto& task : tasks.getTasks()) {*/
+/*file << fieldWithSpace(task->state == DONE ? "x" : task->priority);*/
+/*file << fieldWithSpace(task->state == DONE ? task->getDate() : "");*/
+/*file << fieldWithSpace(task->getCreationDate());*/
+/*file << task->getText() << '\n';*/
+/*}*/
+/*file.close();*/
+/*}*/
+
+/*private:*/
+
+/*static std::string fieldWithSpace(const std::string& field) {*/
+/*if (field.length() == 0)*/
+/*return "";*/
+/*return (field + " ");*/
+/*}*/
+
+/*static TaskItem parseLine(const std::string& line) {*/
+/*std::smatch matches;*/
+/*std::regex regex("(^x )?(\\([A-Z]\\) )?([0-9]{4}-[0-9]{2}-[0-9]{2} )?([0-9]{4}-[0-9]{2}-[0-9]{2}
+ * )?(.*)");*/
+/*std::regex_match(line, matches, regex);*/
+
+/*for (size_t i = 0; i < matches.size(); ++i) {*/
+/*std::ssub_match sub_match = matches[i];*/
+/*std::string piece = sub_match.str();*/
+/*}*/
+
+/*const TaskItemState taskState = trim_copy(matches[1].str()) == "x" ? DONE : TODO;*/
+/*const std::string priority = trim_copy(matches[2].str());*/
+/*const std::string firstDate = trim_copy(matches[3].str());*/
+/*const std::string secondDate = trim_copy(matches[4].str());*/
+/*const std::string text = trim_copy(matches[5].str());*/
+
+/*const std::string date = taskState == DONE ? firstDate : "";*/
+
+/*return {*/
+/*.text = text,*/
+/*.state = taskState,*/
+/*.date = date,*/
+/*};*/
+/*}*/
+/*};*/
+/*}*/
+
+#endif

lib/mirai-core/using.h

@@ -0,0 +1,19 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_USING_H
+#define MIRAI_USING_H
+
+#include <memory>
+#include <string>
+#include <vector>
+
+namespace mirai
+{
+using Tags = std::vector<std::string>;
+}
+
+#endif

lib/mirai-core/utils.cpp

@@ -0,0 +1,38 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#include "utils.h"
+#include <cctype>
+
+namespace mirai
+{
+bool isDate(const std::string &dateStr)
+{
+	// std regex are really slow
+	/*std::regex regex("[0-9]{4}-[0-9]{2}-[0-9]{2}");*/
+	/*return std::regex_match(dateStr, regex);*/
+
+	// Quick hand made check instead of regex until I rework date to use timestamp or std::chrono
+	if (dateStr.length() != 10) {
+		return false;
+	}
+
+	if (dateStr[4] != '-' || dateStr[7] != '-') {
+		return false;
+	}
+
+	for (int i = 0; i < dateStr.length(); ++i) {
+		if (i == 4 || i == 7) {
+			// These are the '-' characters
+			continue;
+		}
+		if (!isdigit(dateStr[i])) {
+			return false;
+		}
+	}
+	return true;
+}
+} // namespace mirai

lib/mirai-core/utils.h

@@ -0,0 +1,25 @@
+/*
+ * Mirai. Copyright (C) 2024 Vyn
+ * This file is licensed under version 3 of the GNU General Public License (GPL-3.0-only)
+ * The license can be found in the LICENSE file or at https://www.gnu.org/licenses/gpl-3.0.txt
+ */
+
+#ifndef MIRAI_UTILS_H
+#define MIRAI_UTILS_H
+
+#include <algorithm>
+#include <cctype>
+#include <cpp-utils/string.h>
+#include <cpp-utils/vector.h>
+#include <locale>
+#include <regex>
+
+namespace mirai
+{
+namespace stringUtils = cpputils::string;
+namespace vectorUtils = cpputils::vector;
+
+bool isDate(const std::string &dateStr);
+} // namespace mirai
+
+#endif