80 lines
No EOL
2.9 KiB
C#
80 lines
No EOL
2.9 KiB
C#
using System.Diagnostics.CodeAnalysis;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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namespace Foxcord.Models;
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[JsonConverter(typeof(JsonConverter))]
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public readonly struct Snowflake(ulong value) : IEquatable<Snowflake>
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{
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public const long Epoch = 1_420_070_400_000; // 2015-01-01 at 00:00:00 UTC
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public readonly ulong Value = value;
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/// <summary>
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/// The time this snowflake was created.
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/// </summary>
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public DateTimeOffset Time => DateTimeOffset.FromUnixTimeMilliseconds(Timestamp);
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/// <summary>
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/// The Unix timestamp embedded in this snowflake, in milliseconds.
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/// </summary>
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public long Timestamp => (long)((Value >> 22) + Epoch);
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/// <summary>
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/// The worker ID embedded in this snowflake.
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/// </summary>
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public byte WorkerId => (byte)((Value & 0x3E0000) >> 17);
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/// <summary>
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/// The process ID embedded in this snowflake.
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/// </summary>
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public byte ProcessId => (byte)((Value & 0x1F000) >> 12);
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/// <summary>
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/// The increment embedded in this snowflake.
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/// </summary>
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public short Increment => (short)(Value & 0xFFF);
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public static bool operator <(Snowflake arg1, Snowflake arg2) => arg1.Value < arg2.Value;
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public static bool operator >(Snowflake arg1, Snowflake arg2) => arg1.Value > arg2.Value;
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public static bool operator ==(Snowflake arg1, Snowflake arg2) => arg1.Value == arg2.Value;
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public static bool operator !=(Snowflake arg1, Snowflake arg2) => arg1.Value != arg2.Value;
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public static implicit operator ulong(Snowflake s) => s.Value;
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public static implicit operator long(Snowflake s) => (long)s.Value;
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public static implicit operator Snowflake(ulong n) => new(n);
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public static implicit operator Snowflake(long n) => new((ulong)n);
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public static bool TryParse(string? input, [NotNullWhen(true)] out Snowflake? snowflake)
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{
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snowflake = null;
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if (!ulong.TryParse(input, out var res)) return false;
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snowflake = new Snowflake(res);
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return true;
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}
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public override bool Equals(object? obj) => obj is Snowflake other && Value == other.Value;
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public bool Equals(Snowflake other)
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{
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return Value == other.Value;
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}
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public override int GetHashCode() => Value.GetHashCode();
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public override string ToString() => Value.ToString();
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public class JsonConverter : JsonConverter<Snowflake>
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{
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public override Snowflake Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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var raw = reader.GetString();
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if (!TryParse(raw, out var snowflake)) throw new FormatException("Snowflake is not a long within a string");
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return snowflake.Value;
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}
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public override void Write(Utf8JsonWriter writer, Snowflake value, JsonSerializerOptions options)
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{
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writer.WriteStringValue(value.ToString());
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}
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}
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} |