mirror of
https://github.com/celisej567/abaddon.git
synced 2026-09-06 20:15:19 +03:00
49685c3989
mostly changing references, which i hope doesnt break stuff with models (TreeRow, iterators) since they gave me some strange problems in the past
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
#include "snowflake.hpp"
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#include "util.hpp"
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#include <chrono>
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#include <ctime>
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#include <iomanip>
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constexpr static uint64_t DiscordEpochSeconds = 1420070400;
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const Snowflake Snowflake::Invalid = -1ULL;
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Snowflake::Snowflake()
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: m_num(Invalid) {}
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Snowflake::Snowflake(uint64_t n)
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: m_num(n) {}
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Snowflake::Snowflake(const std::string &str) {
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if (!str.empty())
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m_num = std::stoull(str);
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else
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m_num = Invalid;
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}
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Snowflake::Snowflake(const Glib::ustring &str) {
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if (!str.empty())
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m_num = std::strtoull(str.c_str(), nullptr, 10);
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else
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m_num = Invalid;
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}
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Snowflake Snowflake::FromNow() {
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using namespace std::chrono;
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// not guaranteed to work but it probably will anyway
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static uint64_t counter = 0;
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const auto millis_since_epoch = static_cast<uint64_t>(duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count());
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const auto epoch = millis_since_epoch - DiscordEpochSeconds * 1000;
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uint64_t snowflake = epoch << 22;
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// worker id and process id would be OR'd in here but there's no point
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snowflake |= counter++ % 4096;
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return snowflake;
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}
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Snowflake Snowflake::FromISO8601(std::string_view ts) {
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int yr, mon, day, hr, min, sec, tzhr, tzmin;
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float milli;
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if (std::sscanf(ts.data(), "%d-%d-%dT%d:%d:%d%f+%d:%d",
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&yr, &mon, &day, &hr, &min, &sec, &milli, &tzhr, &tzmin) != 9) return Snowflake::Invalid;
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const auto epoch = util::TimeToEpoch(yr, mon, day, hr, min, sec);
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if (epoch < DiscordEpochSeconds) return Snowflake::Invalid;
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return SecondsInterval * (epoch - DiscordEpochSeconds) + static_cast<uint64_t>(milli * static_cast<float>(SecondsInterval));
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}
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bool Snowflake::IsValid() const {
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return m_num != Invalid;
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}
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Glib::ustring Snowflake::GetLocalTimestamp() const {
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const time_t secs_since_epoch = (m_num / SecondsInterval) + DiscordEpochSeconds;
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const std::tm tm = *localtime(&secs_since_epoch);
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std::array<char, 256> tmp {};
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std::strftime(tmp.data(), sizeof(tmp), "%X %x", &tm);
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return tmp.data();
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}
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void from_json(const nlohmann::json &j, Snowflake &s) {
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if (j.is_string()) {
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std::string tmp;
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j.get_to(tmp);
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s.m_num = std::stoull(tmp);
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} else {
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j.get_to(s.m_num);
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}
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}
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void to_json(nlohmann::json &j, const Snowflake &s) {
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j = std::to_string(s);
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}
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