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using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text.Json;
using System.Text.Json.Serialization;
using ArcaneLibs.Extensions;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Spacebar.DataMappings.Generic;
using Spacebar.GatewayOffload.Extensions.Db;
using Spacebar.Interop.Authentication.AspNetCore;
using Spacebar.Interop.Replication.Abstractions;
using Spacebar.Models.Db.Contexts;
using Spacebar.Models.Gateway;
using Spacebar.Models.Generic;
namespace Spacebar.GatewayOffload.Controllers;
[ApiController]
[Route("/_spacebar/offload/gateway/LazyRequest")]
public class Op14Controller(ILogger<Op12Controller> logger, SpacebarAspNetAuthenticationService authService, SpacebarDbContext db, IServiceProvider sp) : ControllerBase {
[HttpPost]
// TODO: actually return something?
public async IAsyncEnumerable<ContentlessReplicationMessage> DoLazyRequest([FromBody] LazyRequest payload) {
var user = await TraceResult.TraceAsync("getAuthUser", () => authService.GetCurrentUserAsync(Request));
var session = await TraceResult.TraceAsync("getAuthSession", () => authService.GetCurrentSessionAsync(Request));
if (!await db.Members.AsNoTracking().AnyAsync(m => m.GuildId == payload.GuildId && m.Id == user.Result.Id)) {
logger.LogWarning("User {user} requested lazy member list for guild {guildId}, but is not a member", user.Result.Id, payload.GuildId);
yield break;
}
if (payload.Channels.Count == 0) {
logger.LogWarning("User {user} requested lazy member list for guild {guildId}, but is not a member", user.Result.Tag, payload.GuildId);
yield break;
}
var memberList = new List<IMemberListEntry>();
// Fetch hoisted roles for the guild to define groups
var hoistedRoles = await db.Roles
.AsNoTracking()
.Where(r => r.GuildId == payload.GuildId && r.Hoist)
.OrderByDescending(r => r.Position)
// .Select(r => r.Id)
.ToListAsync();
logger.LogDebug("Got hoisted roles: {roleIds}", hoistedRoles.Select(x => x.Id).ToList());
List<long> handledRoles = [];
foreach (var roleObj in hoistedRoles) {
var role = roleObj.Id;
var members = await db.Members.AsNoTracking()
.Include(x => x.IdNavigation)
.Where(x =>
x.GuildId == payload.GuildId
&& x.Roles.Any(r => r.Id == role)
&& !x.Roles.Any(r => handledRoles.Contains(r.Id))
// and finally, filter by online
&& x.IdNavigation.Sessions.Any(s => s.Status != "offline" && s.Status != "invisible" && s.Status != "unknown")
)
.OrderBy(x => x.Nick ?? x.IdNavigation.Username).ToListAsync();
logger.LogInformation("Got {count} potential members for group {group} ({groupName}):\n - {members}",
members.Count, role, roleObj.Name, string.Join("\n - ", members.Take(10).Select(x => $"{x.Id} {x.Nick ?? x.IdNavigation.Tag}"))
);
memberList.Add(new RoleEntry() { Id = role.ToString(), Count = members.Count });
memberList.AddRange(members.Select(m => (IMemberListEntry)new MemberEntry() { Member = m.ToPublicMember() }));
handledRoles.Add(role);
}
// online members
var onlineMembers = await db.Members.AsNoTracking()
.Include(x => x.IdNavigation)
// .ThenInclude(x=>x.Sessions)
.Where(x =>
x.GuildId == payload.GuildId
&& !x.Roles.Any(r => handledRoles.Contains(r.Id))
// and finally, filter by online
&& x.IdNavigation.Sessions.Any(s => s.Status != "offline" && s.Status != "invisible" && s.Status != "unknown")
)
.OrderBy(x => x.Nick ?? x.IdNavigation.Username).ToListAsync();
logger.LogInformation("Got {count} potential members for group {group} ({groupName}):\n - {members}",
onlineMembers.Count, "online", "online", string.Join("\n - ", onlineMembers.Take(10).Select(x => $"{x.Id} {x.Nick ?? x.IdNavigation.Tag}"))
);
if (onlineMembers.Count > 0) {
memberList.Add(new RoleEntry() { Id = "online", Count = onlineMembers.Count });
memberList.AddRange(onlineMembers.Select(m => (IMemberListEntry)new MemberEntry() { Member = m.ToPublicMember() }));
}
if (memberList.Count < 2000) {
logger.LogInformation("Less than 2000 members, including offline members...");
var offlineMembers = await db.Members.AsNoTracking()
.Include(x => x.IdNavigation)
// .ThenInclude(x=>x.Sessions)
.Where(x =>
x.GuildId == payload.GuildId
&& !x.Roles.Any(r => handledRoles.Contains(r.Id))
// and finally, filter by online
&& (x.IdNavigation.Sessions.Any(s => s.Status == "offline" || s.Status == "invisible" || s.Status == "unknown") || !x.IdNavigation.Sessions.Any())
)
.OrderBy(x => x.Nick ?? x.IdNavigation.Username).ToListAsync();
logger.LogInformation("Got {count} potential members for group {group} ({groupName}):\n - {members}",
offlineMembers.Count, "offline", "offline", string.Join("\n - ", offlineMembers.Take(10).Select(x => $"{x.Id} {x.Nick ?? x.IdNavigation.Tag}"))
);
if (offlineMembers.Count > 0) {
memberList.Add(new RoleEntry() { Id = "offline", Count = offlineMembers.Count });
memberList.AddRange(offlineMembers.Select(m => (IMemberListEntry)new MemberEntry() { Member = m.ToPublicMember() }));
}
}
logger.LogInformation("Got member list with {count} total nodes", memberList.Count);
}
private async Task<string?> GetMemberListIdAsync(SpacebarDbContext db, long guildId, long channelId) {
var channel = await db.Channels.AsNoTracking().FirstOrDefaultAsync(c => c.Id == channelId && c.GuildId == guildId);
if (channel == null) return null;
if (string.IsNullOrWhiteSpace(channel.PermissionOverwrites) || channel.PermissionOverwrites == "[]") {
return "everyone";
}
return null; // TODO
}
}
internal interface IMemberListEntry { }
internal struct RoleEntry : IMemberListEntry {
[JsonPropertyName("id"), JsonNumberHandling(JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.WriteAsString)]
public string Id { get; set; }
[JsonPropertyName("count")]
public int Count { get; set; }
}
internal struct MemberEntry : IMemberListEntry {
[JsonPropertyName("member")]
public Member Member { get; set; }
}
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