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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Cameron Youell <cameronyouell@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/JsonObject.h>
#include <LibCore/File.h>
#include <LibGUI/JsonArrayModel.h>
namespace GUI {
void JsonArrayModel::invalidate()
{
auto invalidate_or_error = [this]() -> ErrorOr<void> {
auto file = TRY(Core::File::open(m_json_path, Core::File::OpenMode::Read));
auto file_contents = TRY(file->read_until_eof());
auto json = TRY(JsonValue::from_string(file_contents));
VERIFY(json.is_array());
m_array = json.as_array();
return {};
};
if (auto result = invalidate_or_error(); result.is_error()) {
dbgln("Unable to invalidate {}: {}", m_json_path, result.error());
m_array.clear();
}
did_update();
}
void JsonArrayModel::update()
{
auto update_or_error = [this]() -> ErrorOr<void> {
auto file = TRY(Core::File::open(m_json_path, Core::File::OpenMode::Read));
auto file_contents = TRY(file->read_until_eof());
auto json = TRY(JsonValue::from_string(file_contents));
VERIFY(json.is_array());
m_array = json.as_array();
return {};
};
if (auto result = update_or_error(); result.is_error()) {
dbgln("Unable to update {}: {}", m_json_path, result.error());
m_array.clear();
did_update();
return;
}
did_update(GUI::Model::UpdateFlag::DontInvalidateIndices);
}
ErrorOr<void> JsonArrayModel::store()
{
auto file = TRY(Core::File::open(m_json_path, Core::File::OpenMode::Write));
ByteBuffer json_bytes = m_array.to_deprecated_string().to_byte_buffer();
TRY(file->write_until_depleted(json_bytes));
file->close();
return {};
}
ErrorOr<void> JsonArrayModel::add(Vector<JsonValue> const&& fields)
{
VERIFY(fields.size() == m_fields.size());
JsonObject obj;
for (size_t i = 0; i < m_fields.size(); ++i) {
auto& field_spec = m_fields[i];
obj.set(field_spec.json_field_name, fields.at(i));
}
TRY(m_array.append(move(obj)));
did_update();
return {};
}
ErrorOr<void> JsonArrayModel::set(int row, Vector<JsonValue>&& fields)
{
VERIFY(fields.size() == m_fields.size());
if ((size_t)row >= m_array.size())
return Error::from_string_view("Row out of bounds"sv);
JsonObject obj;
for (size_t i = 0; i < m_fields.size(); ++i) {
auto& field_spec = m_fields[i];
obj.set(field_spec.json_field_name, move(fields.at(i)));
}
TRY(m_array.set(row, move(obj)));
did_update();
return {};
}
ErrorOr<void> JsonArrayModel::remove(int row)
{
if ((size_t)row >= m_array.size())
return Error::from_string_view("Row out of bounds"sv);
JsonArray new_array;
for (size_t i = 0; i < m_array.size(); ++i)
if (i != (size_t)row)
TRY(new_array.append(m_array.at(i)));
m_array = new_array;
did_update();
return {};
}
Variant JsonArrayModel::data(ModelIndex const& index, ModelRole role) const
{
auto& field_spec = m_fields[index.column()];
auto& object = m_array.at(index.row()).as_object();
if (role == ModelRole::TextAlignment) {
return field_spec.text_alignment;
}
if (role == ModelRole::Display) {
auto& json_field_name = field_spec.json_field_name;
auto data = object.get(json_field_name);
if (field_spec.massage_for_display)
return field_spec.massage_for_display(object);
if (!data.has_value())
return "";
if (data->is_number())
return data.value();
return data->to_deprecated_string();
}
if (role == ModelRole::Sort) {
if (field_spec.massage_for_sort)
return field_spec.massage_for_sort(object);
return data(index, ModelRole::Display);
}
if (role == ModelRole::Custom) {
if (field_spec.massage_for_custom)
return field_spec.massage_for_custom(object);
return {};
}
return {};
}
void JsonArrayModel::set_json_path(DeprecatedString const& json_path)
{
if (m_json_path == json_path)
return;
m_json_path = json_path;
invalidate();
}
}
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