Catalogger.NET/Catalogger.Backend/Cache/RedisCache/RedisMemberCache.cs
2024-09-02 17:00:33 +02:00

88 lines
No EOL
3.7 KiB
C#

using Catalogger.Backend.Database.Redis;
using Remora.Discord.API;
using Remora.Discord.API.Abstractions.Objects;
using Remora.Discord.API.Objects;
using Remora.Rest.Core;
namespace Catalogger.Backend.Cache.RedisCache;
public class RedisMemberCache(RedisService redisService) : IMemberCache
{
public async Task<IGuildMember?> TryGetAsync(Snowflake guildId, Snowflake userId)
{
var redisMember = await redisService.GetHashAsync<RedisMember>(GuildMembersKey(guildId), userId.ToString());
return redisMember?.ToRemoraMember();
}
public async Task SetAsync(Snowflake guildId, IGuildMember member)
{
if (!member.User.IsDefined())
throw new CataloggerError("Member with undefined User passed to RedisMemberCache.SetAsync");
await redisService.SetHashAsync(GuildMembersKey(guildId), member.User.Value.ID.ToString(),
RedisMember.FromIGuildMember(member));
}
public async Task SetManyAsync(Snowflake guildId, IReadOnlyList<IGuildMember> members)
{
if (members.Any(m => !m.User.IsDefined()))
throw new CataloggerError("Member with undefined User passed to RedisMemberCache.SetAsync");
var redisMembers = members.Select(RedisMember.FromIGuildMember).ToList();
await redisService.SetHashAsync(GuildMembersKey(guildId), redisMembers, m => m.User.Id.ToString());
}
public async Task RemoveAsync(Snowflake guildId, Snowflake userId) =>
await redisService.GetDatabase().HashDeleteAsync(GuildMembersKey(guildId), userId.ToString());
public async Task<bool> IsGuildCachedAsync(Snowflake guildId) =>
await redisService.GetDatabase().SetContainsAsync(GuildCacheKey, guildId.ToString());
public async Task MarkAsCachedAsync(Snowflake guildId) =>
await redisService.GetDatabase().SetAddAsync(GuildCacheKey, guildId.ToString());
public async Task MarkAsUncachedAsync(Snowflake guildId) =>
await redisService.GetDatabase().SetRemoveAsync(GuildCacheKey, guildId.ToString());
private const string GuildCacheKey = "cached-guilds";
private static string GuildMembersKey(Snowflake guildId) => $"guild-members:{guildId}";
}
internal record RedisMember(
RedisUser User,
string? Nickname,
string? Avatar,
Snowflake[] Roles,
DateTimeOffset JoinedAt,
DateTimeOffset? PremiumSince,
GuildMemberFlags Flags,
bool? IsPending,
DateTimeOffset? CommunicationDisabledUntil)
{
public static RedisMember FromIGuildMember(IGuildMember member) => new(
RedisUser.FromIUser(member.User.Value), member.Nickname.OrDefault(null), member.Avatar.OrDefault(null)?.Value,
member.Roles.ToArray(), member.JoinedAt, member.PremiumSince.OrDefault(null), member.Flags,
member.IsPending.OrDefault(null), member.CommunicationDisabledUntil.OrDefault(null));
public GuildMember ToRemoraMember() => new(User.ToRemoraUser(), Nickname,
Avatar != null ? new ImageHash(Avatar) : null, Roles, JoinedAt, PremiumSince, false, false, Flags,
IsPending, default, CommunicationDisabledUntil);
}
internal record RedisUser(
ulong Id,
string Username,
ushort Discriminator,
string? GlobalName,
string? Avatar,
bool IsBot,
bool IsSystem,
string? Banner)
{
public static RedisUser FromIUser(IUser user) => new(user.ID.Value, user.Username, user.Discriminator,
user.GlobalName.OrDefault(null), user.Avatar?.Value, user.IsBot.OrDefault(false),
user.IsSystem.OrDefault(false), user.Banner.OrDefault(null)?.Value);
public User ToRemoraUser() => new(DiscordSnowflake.New(Id), Username, Discriminator, GlobalName,
Avatar != null ? new ImageHash(Avatar) : null, IsBot, IsSystem,
Banner: Banner != null ? new ImageHash(Banner) : null);
}