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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/feedback/feedback_report.h"
#include "base/files/file.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_util.h"
#include "base/files/important_file_writer.h"
#include "base/guid.h"
#include "base/sequenced_task_runner.h"
#include "base/strings/string_number_conversions.h"
#include "base/threading/sequenced_worker_pool.h"
namespace {
const base::FilePath::CharType kFeedbackReportFilenameWildcard[] =
FILE_PATH_LITERAL("Feedback Report.*");
const char kFeedbackReportFilenamePrefix[] = "Feedback Report.";
void WriteReportOnBlockingPool(const base::FilePath reports_path,
const base::FilePath& file,
const std::string& data) {
DCHECK(reports_path.IsParent(file));
if (!base::DirectoryExists(reports_path)) {
base::File::Error error;
if (!base::CreateDirectoryAndGetError(reports_path, &error))
return;
}
base::ImportantFileWriter::WriteFileAtomically(file, data);
}
} // namespace
namespace feedback {
FeedbackReport::FeedbackReport(
const base::FilePath& path,
const base::Time& upload_at,
const std::string& data,
scoped_refptr<base::SequencedTaskRunner> task_runner)
: reports_path_(path),
upload_at_(upload_at),
data_(data),
reports_task_runner_(task_runner) {
if (reports_path_.empty())
return;
file_ = reports_path_.AppendASCII(
kFeedbackReportFilenamePrefix + base::GenerateGUID());
reports_task_runner_->PostTask(FROM_HERE, base::Bind(
&WriteReportOnBlockingPool, reports_path_, file_, data_));
}
FeedbackReport::~FeedbackReport() {}
void FeedbackReport::DeleteReportOnDisk() {
reports_task_runner_->PostTask(FROM_HERE, base::Bind(
base::IgnoreResult(&base::DeleteFile), file_, false));
}
// static
void FeedbackReport::LoadReportsAndQueue(
const base::FilePath& user_dir, QueueCallback callback) {
if (user_dir.empty())
return;
base::FileEnumerator enumerator(user_dir,
false,
base::FileEnumerator::FILES,
kFeedbackReportFilenameWildcard);
for (base::FilePath name = enumerator.Next();
!name.empty();
name = enumerator.Next()) {
std::string data;
if (ReadFileToString(name, &data))
callback.Run(data);
base::DeleteFile(name, false);
}
}
} // namespace feedback
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