first commit

src/core/TodoMd.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 "TodoMd.h"
+
+namespace mirai {
+
+	TasksFile TodoMdFormat::readFile(const std::string& path) {
+		std::ifstream file(path);
+		if (!file.is_open()) {
+			throw std::runtime_error("todo.txt file not found");
+		}
+		std::vector<TaskItem> taskItems;
+		std::string line;
+
+		if (!std::getline(file, line) || line.substr(0, 2) != "# ") {
+			std::cerr << "Couldn't find the task list name" << std::endl;
+		}
+
+		std::string name = line.substr(2);
+		std::string currentDate = "";
+
+		while (std::getline(file, line)) {
+			if (line.substr(0, 3) == "## ") {
+				currentDate = line.substr(3);
+			} else if (line.substr(0, 5) == "- [ ]" || line.substr(0, 5) == "- [X]") {
+				std::string text = line.substr(5);
+				trim(text);
+				TaskItem taskItem = {
+					.text = text,
+					.state = line.substr(0, 5) == "- [X]" ? DONE : TODO,
+					.date = currentDate
+				};
+				taskItems.push_back(taskItem);
+			}
+		}
+		file.close();
+		TasksFile tasks({
+			.name = name,
+			.path = path,
+			.tasks = taskItems
+		});
+		return tasks;
+	}
+
+	void TodoMdFormat::writeFile(TasksFile& tasks) {
+		std::ofstream file(tasks.getPath());
+		if (!file.is_open()) {
+			throw std::runtime_error("can't create todo.txt");
+		}
+		std::string currentDate = "";
+
+		file << "# " << tasks.getName() << "\n";
+		for (const auto& task : tasks.getTasks()) {
+			if (currentDate != task->date) {
+				currentDate = task->date;
+				file << "\n## " << (task->date != "" ? task->date : "No date") << "\n\n";
+			}
+			if (task->getState() == TODO) {
+				file << "- [ ] ";
+			} else if (task->getState() == DONE) {
+				file << "- [X] ";
+			}
+			file << task->getText() << '\n';
+		}
+		file.close();
+	}
+
+	std::string TodoMdFormat::fieldWithSpace(const std::string& field) {
+		if (field.length() == 0)
+			return "";
+		return (field + " ");
+	}
+}
+