mirror of
https://github.com/SerenityOS/serenity
synced 2024-10-07 00:19:27 +00:00
683c08744a
These are all actually fine, there is no UAF here. But once e.g. `ByteString::view() &&` is deleted, these instances won't compile.
112 lines
2.7 KiB
C++
112 lines
2.7 KiB
C++
/*
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* Copyright (c) 2023, the SerenityOS developers.
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* Copyright (c) 2023, David Ganz <david.g.ganz@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "EventManager.h"
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#include <AK/JsonParser.h>
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#include <LibConfig/Client.h>
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#include <LibFileSystemAccessClient/Client.h>
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namespace Calendar {
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static constexpr StringView DATE_FORMAT = "%Y-%m-%dT%H:%M:%S"sv;
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EventManager::EventManager()
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{
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}
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OwnPtr<EventManager> EventManager::create()
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{
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return adopt_own(*new EventManager());
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}
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void EventManager::add_event(Event event)
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{
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m_events.append(move(event));
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m_dirty = true;
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on_events_change();
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}
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void EventManager::set_events(Vector<Event> events)
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{
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m_events = move(events);
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m_dirty = true;
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on_events_change();
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}
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ErrorOr<void> EventManager::save(FileSystemAccessClient::File& file)
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{
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set_filename(file.filename());
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auto stream = file.release_stream();
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auto json = TRY(serialize_events()).to_byte_string();
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TRY(stream->write_some(json.bytes()));
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stream->close();
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m_dirty = false;
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return {};
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}
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ErrorOr<JsonArray> EventManager::serialize_events()
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{
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JsonArray result;
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for (auto const& event : m_events) {
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JsonObject object;
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object.set("start", JsonValue(event.start.to_byte_string(DATE_FORMAT)));
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object.set("end", JsonValue(event.end.to_byte_string(DATE_FORMAT)));
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object.set("summary", JsonValue(event.summary));
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TRY(result.append(object));
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}
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return result;
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}
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ErrorOr<Vector<Event>> EventManager::deserialize_events(JsonArray const& json)
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{
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Vector<Event> result;
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for (auto const& value : json.values()) {
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auto const& object = value.as_object();
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if (!object.has("summary"sv) || !object.has("start"sv) || !object.has("end"sv))
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continue;
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auto summary = TRY(String::from_byte_string(object.get("summary"sv).release_value().as_string()));
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auto start = Core::DateTime::parse(DATE_FORMAT, object.get("start"sv).release_value().as_string());
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if (!start.has_value())
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continue;
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auto end = Core::DateTime::parse(DATE_FORMAT, object.get("end"sv).release_value().as_string());
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if (!end.has_value())
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continue;
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Event event = {
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.summary = summary,
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.start = start.release_value(),
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.end = end.release_value(),
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};
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result.append(event);
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}
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return result;
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}
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ErrorOr<void> EventManager::load_file(FileSystemAccessClient::File& file)
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{
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set_filename(file.filename());
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auto content = TRY(file.stream().read_until_eof());
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auto json = TRY(AK::JsonParser(content).parse());
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auto events = TRY(deserialize_events(json.as_array()));
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set_events(events);
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m_dirty = false;
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return {};
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}
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}
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