Calendar.cpp

//
// Created by Ed on 01/01/2024.
//

#include "Calendar.h"
#include <sstream>
#include <nlohmann/json.hpp>

Calendar::Calendar() = default;

using days = std::chrono::duration<int64_t, std::ratio<86400>>;

void Calendar::fetch(RestClient::Connection *connection) {
 auto const time = floor<days>(std::chrono::system_clock::now());
 std::time_t today = std::chrono::system_clock::to_time_t(time);
 std::string cal_start(30, '\0');
 cal_start.resize(std::strftime(&cal_start[0], cal_start.size(), "%Y-%m-%dT00:00:00.000Z", std::localtime(&today)));
 today += (86400 * 60);
 std::string cal_end(30, '\0');
 cal_end.resize(std::strftime(&cal_end[0], cal_end.size(), "%Y-%m-%dT00:00:00.000Z", std::localtime(&today)));
 std::stringstream ss;
 ss << "/api/calendars/calendar.shared_calendar?start=" << cal_start << "&end=" << cal_end;
 RestClient::Response r = connection->get(ss.str());
 if (r.code != 200) {
 return;
 }
 nlohmann::json json_result = nlohmann::json::parse(r.body);

 clear_children();

 int count = 0;

 std::vector<std::shared_ptr<CalendarEntry>> entries;

 for (const auto& item : json_result) {
 entries.push_back(std::make_shared<CalendarEntry>(item, time));
 if (++count == 10) {
 break;
 }
 }

 int x_offset = 50;
 int y_offset = 0;

 const unsigned int split = (entries.size() + 1) / 2;
 unsigned int i = 0;
 for (const auto& entry : entries) {
 add_child(entry, x_offset, y_offset);
 y_offset += entry->h();
 i += 1;
 if (i == split) {
 x_offset = 590;
 y_offset = 0;
 }
 }
}