63 lines
1.8 KiB
C#
63 lines
1.8 KiB
C#
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using System.Collections.Concurrent;
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using System.Diagnostics.CodeAnalysis;
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using Remora.Discord.API.Abstractions.Objects;
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using Remora.Rest.Core;
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namespace Catalogger.Backend.Cache;
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public class RoleCacheService
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{
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private readonly ConcurrentDictionary<Snowflake, IRole> _roles = new();
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private readonly ConcurrentDictionary<Snowflake, HashSet<Snowflake>> _guildRoles = new();
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public int Size => _roles.Count;
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public void Set(IRole role, Snowflake guildId)
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{
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_roles[role.ID] = role;
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// Add to set of guild channels
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_guildRoles.AddOrUpdate(guildId,
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_ => [role.ID],
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(_, l) =>
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{
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l.Add(role.ID);
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return l;
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});
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}
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public bool TryGet(Snowflake id, [NotNullWhen(true)] out IRole? role) =>
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_roles.TryGetValue(id, out role);
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public void Remove(Snowflake guildId, Snowflake id, out IRole? role)
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{
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_roles.Remove(id, out role);
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// Remove from set of guild channels
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_guildRoles.AddOrUpdate(guildId, _ => [], (_, s) =>
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{
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s.Remove(id);
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return s;
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});
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}
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public void RemoveGuild(Snowflake guildId)
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{
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if (!_guildRoles.TryGetValue(guildId, out var roleIds)) return;
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foreach (var id in roleIds)
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{
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_roles.Remove(id, out _);
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}
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_guildRoles.Remove(guildId, out _);
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}
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/// <summary>
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/// Gets all of a guild's cached roles.
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/// </summary>
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/// <param name="guildId">The guild to get the roles of</param>
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/// <returns>A list of cached roles</returns>
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public IEnumerable<IRole> GuildRoles(Snowflake guildId) =>
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!_guildRoles.TryGetValue(guildId, out var roleIds)
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? []
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: roleIds.Select(id => _roles.GetValueOrDefault(id))
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.Where(r => r != null).Select(r => r!);
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}
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