ladybird/Userland/Applications/Browser/Database.cpp
Timothy Flynn fef255ee22 Browser: Store cookies in a LibSQL database :^)
Currently, cookies are ephemeral and only survive for the lifetime of
Browser instance. This will make Browser instead store cookies in a SQL
database for persisted access.
2022-12-08 17:14:48 +01:00

96 lines
3.5 KiB
C++

/*
* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Database.h"
#include <AK/Format.h>
#include <AK/StringView.h>
namespace Browser {
static constexpr auto database_name = "Browser"sv;
ErrorOr<NonnullRefPtr<Database>> Database::create()
{
auto sql_client = TRY(SQL::SQLClient::try_create());
return create(move(sql_client));
}
ErrorOr<NonnullRefPtr<Database>> Database::create(NonnullRefPtr<SQL::SQLClient> sql_client)
{
auto connection_id = sql_client->connect(database_name);
if (!connection_id.has_value())
return Error::from_string_view("Could not connect to SQL database"sv);
return adopt_nonnull_ref_or_enomem(new (nothrow) Database(move(sql_client), *connection_id));
}
Database::Database(NonnullRefPtr<SQL::SQLClient> sql_client, SQL::ConnectionID connection_id)
: m_sql_client(move(sql_client))
, m_connection_id(connection_id)
{
m_sql_client->on_execution_success = [this](auto statement_id, auto execution_id, auto has_results, auto, auto, auto) {
if (has_results)
return;
if (auto it = m_pending_executions.find({ statement_id, execution_id }); it != m_pending_executions.end()) {
auto in_progress_statement = move(it->value);
m_pending_executions.remove(it);
if (in_progress_statement.on_complete)
in_progress_statement.on_complete();
}
};
m_sql_client->on_next_result = [this](auto statement_id, auto execution_id, auto row) {
if (auto it = m_pending_executions.find({ statement_id, execution_id }); it != m_pending_executions.end()) {
if (it->value.on_result)
it->value.on_result(row);
}
};
m_sql_client->on_results_exhausted = [this](auto statement_id, auto execution_id, auto) {
if (auto it = m_pending_executions.find({ statement_id, execution_id }); it != m_pending_executions.end()) {
auto in_progress_statement = move(it->value);
m_pending_executions.remove(it);
if (in_progress_statement.on_complete)
in_progress_statement.on_complete();
}
};
m_sql_client->on_execution_error = [this](auto statement_id, auto execution_id, auto, auto const& message) {
if (auto it = m_pending_executions.find({ statement_id, execution_id }); it != m_pending_executions.end()) {
auto in_progress_statement = move(it->value);
m_pending_executions.remove(it);
if (in_progress_statement.on_error)
in_progress_statement.on_error(message);
}
};
}
ErrorOr<SQL::StatementID> Database::prepare_statement(StringView statement)
{
if (auto statement_id = m_sql_client->prepare_statement(m_connection_id, statement); statement_id.has_value())
return *statement_id;
return Error::from_string_view(statement);
}
void Database::execute_statement(SQL::StatementID statement_id, Vector<SQL::Value> placeholder_values, PendingExecution pending_execution)
{
Core::deferred_invoke([this, statement_id, placeholder_values = move(placeholder_values), pending_execution = move(pending_execution)]() mutable {
auto execution_id = m_sql_client->execute_statement(statement_id, move(placeholder_values));
if (!execution_id.has_value()) {
if (pending_execution.on_error)
pending_execution.on_error("Could not execute statement"sv);
return;
}
m_pending_executions.set({ statement_id, *execution_id }, move(pending_execution));
});
}
}