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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "google_apis/calendar/calendar_api_url_generator.h"
#include <map>
#include <optional>
#include <string>
#include <string_view>
#include <vector>
#include "base/containers/fixed_flat_map.h"
#include "base/strings/escape.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "google_apis/calendar/calendar_api_requests.h"
#include "google_apis/common/time_util.h"
#include "net/base/url_util.h"
namespace google_apis {
namespace calendar {
namespace {
// Hard coded URLs for communication with a google calendar server.
constexpr char kCalendarV3CalendarListUrl[] =
"calendar/v3/users/me/calendarList";
constexpr char kCalendarV3ColorUrl[] = "calendar/v3/colors";
constexpr char kCalendarV3EventsUrlFormat[] = "calendar/v3/calendars/%s/events";
constexpr char kEventTypesParameterName[] = "eventTypes";
constexpr char kExperimentParameterName[] = "experiment";
constexpr char kMaxAttendeesParameterName[] = "maxAttendees";
constexpr char kMaxResultsParameterName[] = "maxResults";
constexpr char kOrderByParameterName[] = "orderBy";
constexpr char kSingleEventsParameterName[] = "singleEvents";
constexpr char kTimeMaxParameterName[] = "timeMax";
constexpr char kTimeMinParameterName[] = "timeMin";
constexpr auto kEventTypeToStringMap =
base::MakeFixedFlatMap<EventType, std::string_view>(
{{EventType::kDefault, "default"},
{EventType::kFocusTime, "focusTime"},
{EventType::kFromGmail, "fromGmail"},
{EventType::kOutOfOffice, "outOfOffice"},
{EventType::kWorkingLocation, "workingLocation"}});
} // namespace
CalendarApiUrlGenerator::CalendarApiUrlGenerator() = default;
CalendarApiUrlGenerator::CalendarApiUrlGenerator(
const CalendarApiUrlGenerator& src) = default;
CalendarApiUrlGenerator& CalendarApiUrlGenerator::operator=(
const CalendarApiUrlGenerator& src) = default;
CalendarApiUrlGenerator::~CalendarApiUrlGenerator() = default;
GURL CalendarApiUrlGenerator::GetCalendarEventListUrl(
const std::string& calendar_id,
const base::Time& start_time,
const base::Time& end_time,
bool single_events,
std::optional<int> max_attendees,
std::optional<int> max_results,
const std::vector<EventType>& event_types,
const std::string& experiment,
const std::string& order_by) const {
GURL url;
if (!calendar_id.empty()) {
url = base_url_.Resolve(base::StringPrintf(
kCalendarV3EventsUrlFormat, base::EscapePath(calendar_id).c_str()));
} else {
url = base_url_.Resolve(
base::StringPrintf(kCalendarV3EventsUrlFormat,
base::EscapePath(kPrimaryCalendarId).c_str()));
}
std::string start_time_string = util::FormatTimeAsString(start_time);
std::string end_time_string = util::FormatTimeAsString(end_time);
url = net::AppendOrReplaceQueryParameter(url, kTimeMinParameterName,
start_time_string);
url = net::AppendOrReplaceQueryParameter(url, kTimeMaxParameterName,
end_time_string);
url = net::AppendOrReplaceQueryParameter(url, kSingleEventsParameterName,
single_events ? "true" : "false");
if (max_attendees.has_value()) {
url = net::AppendOrReplaceQueryParameter(
url, kMaxAttendeesParameterName,
base::NumberToString(max_attendees.value()));
}
if (max_results.has_value()) {
url = net::AppendOrReplaceQueryParameter(
url, kMaxResultsParameterName,
base::NumberToString(max_results.value()));
}
if (!order_by.empty()) {
url = net::AppendOrReplaceQueryParameter(url, kOrderByParameterName,
order_by);
}
for (const auto& event_type : event_types) {
const auto it = kEventTypeToStringMap.find(event_type);
if (it != kEventTypeToStringMap.end()) {
url =
net::AppendQueryParameter(url, kEventTypesParameterName, it->second);
}
}
if (!experiment.empty()) {
url = net::AppendOrReplaceQueryParameter(url, kExperimentParameterName,
experiment);
}
return url;
}
GURL CalendarApiUrlGenerator::GetCalendarColorListUrl() const {
GURL url = base_url_.Resolve(kCalendarV3ColorUrl);
return url;
}
GURL CalendarApiUrlGenerator::GetCalendarListUrl(
std::optional<int> max_results) const {
GURL url = base_url_.Resolve(kCalendarV3CalendarListUrl);
if (max_results.has_value()) {
url = net::AppendOrReplaceQueryParameter(
url, kMaxResultsParameterName,
base::NumberToString(max_results.value()));
}
return url;
}
} // namespace calendar
} // namespace google_apis
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