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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/policy/weekly_time/weekly_time_interval_checked.h"
#include <optional>
#include "base/logging.h"
#include "base/time/time.h"
#include "base/values.h"
#include "chromeos/ash/components/policy/weekly_time/weekly_time_checked.h"
namespace policy {
namespace {
constexpr base::TimeDelta kWeek = base::Days(7);
} // namespace
// static
const char WeeklyTimeIntervalChecked::kStart[] = "start";
const char WeeklyTimeIntervalChecked::kEnd[] = "end";
WeeklyTimeIntervalChecked::WeeklyTimeIntervalChecked(
const WeeklyTimeChecked& start,
const WeeklyTimeChecked& end)
: start_(start), end_(end) {}
WeeklyTimeIntervalChecked::WeeklyTimeIntervalChecked(
const WeeklyTimeIntervalChecked&) = default;
WeeklyTimeIntervalChecked& WeeklyTimeIntervalChecked::operator=(
const WeeklyTimeIntervalChecked&) = default;
// static
bool WeeklyTimeIntervalChecked::IntervalsOverlap(
const WeeklyTimeIntervalChecked& a,
const WeeklyTimeIntervalChecked& b) {
return a.Contains(b.start()) || b.Contains(a.start());
}
// static
std::optional<WeeklyTimeIntervalChecked> WeeklyTimeIntervalChecked::FromDict(
const base::Value::Dict& dict) {
const base::Value* start_value = dict.Find(kStart);
if (!start_value) {
LOG(ERROR) << "Missing start.";
return std::nullopt;
}
const base::Value* end_value = dict.Find(kEnd);
if (!end_value) {
LOG(ERROR) << "Missing end.";
return std::nullopt;
}
auto start = WeeklyTimeChecked::FromDict(start_value->GetDict());
if (!start) {
LOG(ERROR) << "Couldn't parse start: "
<< start_value->GetDict().DebugString();
return std::nullopt;
}
auto end = WeeklyTimeChecked::FromDict(end_value->GetDict());
if (!end) {
LOG(ERROR) << "Couldn't parse end: " << end_value->GetDict().DebugString();
return std::nullopt;
}
return WeeklyTimeIntervalChecked(*start, *end);
}
base::TimeDelta WeeklyTimeIntervalChecked::Duration() const {
auto diff = end_.ToTimeDelta() - start_.ToTimeDelta();
if (diff.is_negative() || diff.is_zero()) {
diff += base::Days(7);
}
return diff;
}
bool WeeklyTimeIntervalChecked::Contains(const WeeklyTimeChecked& w) const {
if (WeeklyTimeIntervalChecked(start_, w).Duration() == kWeek) {
return true;
}
return WeeklyTimeIntervalChecked(start_, w).Duration() +
WeeklyTimeIntervalChecked(w, end_).Duration() ==
Duration();
}
} // namespace policy
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