1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
#include "common.hh"
#include "geo_json.hh"
#include "timezone.hh"
#include "tz_info.hh"
namespace {
class TimezoneImpl : public Timezone {
public:
TimezoneImpl(std::shared_ptr<Logger> logger,
std::filesystem::path geojsondb,
std::filesystem::path tzinfo_dir)
: geojson_(GeoJson::create(logger, std::move(geojsondb))),
tzinfo_(TzInfo::create(logger, std::move(tzinfo_dir))) {
}
std::optional<time_t> get_local_time(double lat, double lng,
time_t utc_time) const override {
auto tzid = geojson_->get_data(lat, lng, "tzid");
if (tzid.has_value())
return tzinfo_->get_local_time(tzid.value(), utc_time);
return std::nullopt;
}
private:
std::unique_ptr<GeoJson> geojson_;
std::unique_ptr<TzInfo> tzinfo_;
};
} // namespace
std::unique_ptr<Timezone> Timezone::create(std::shared_ptr<Logger> logger,
std::filesystem::path geojsondb,
std::filesystem::path tzinfo_dir) {
return std::make_unique<TimezoneImpl>(std::move(logger), std::move(geojsondb),
std::move(tzinfo_dir));
}
|
