fix: xplb and xpglb pagination fixed, closes #430

fix: Page number when there is an unknown number of items while paginating is now correct
fix: .stm and .stma fixed and can now mention everyone as long as the user executing the command also can
dev: Cleaned up/improved some code

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 Mostly based on [keepachangelog](https://keepachangelog.com/en/1.0.0/) except date format. a-c-f-r-o
 
+## [5.0.7] - 15.05.2024
+
+### Fixed
+
+- `.streammessage` will once again be able to mention anyone (as long as the user setting the message has the permission to mention everyone)
+- `.streammsgall` fixed
+- `.xplb` and `.xpglb` pagination fixed
+- Fixed page number when the total number of elements is unknown
+
 ## [5.0.6] - 14.05.2024
 
 ### Changed 

Dockerfile

@@ -1,16 +1,25 @@
+# Use the .NET 8.0 SDK as the base image for the build stage
 FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
 WORKDIR /source
 
+# Copy the .csproj files for each project
 COPY src/Nadeko.Medusa/*.csproj src/Nadeko.Medusa/
 COPY src/NadekoBot/*.csproj src/NadekoBot/
 COPY src/NadekoBot.Coordinator/*.csproj src/NadekoBot.Coordinator/
 COPY src/NadekoBot.Generators/*.csproj src/NadekoBot.Generators/
 COPY src/NadekoBot.Voice/*.csproj src/NadekoBot.Voice/
 COPY NuGet.Config ./
+
+# Restore the dependencies for the NadekoBot project
 RUN dotnet restore src/NadekoBot/
 
+# Copy the rest of the source code
 COPY . .
+
+# Set the working directory to the NadekoBot project
 WORKDIR /source/src/NadekoBot
+
+# Build and publish the NadekoBot project, then clean up unnecessary files
 RUN set -xe; \
     dotnet --version; \
     dotnet publish -c Release -o /app --no-restore; \
@@ -19,28 +28,33 @@ RUN set -xe; \
     find /app -type f -exec chmod -x {} \; ;\
     chmod +x /app/NadekoBot
 
-# final stage/image
+# Use the .NET 8.0 runtime as the base image for the final stage
 FROM mcr.microsoft.com/dotnet/runtime:8.0
 WORKDIR /app
 
+# Create a new user, install dependencies, and set up sudoers file
 RUN set -xe; \
     useradd -m nadeko; \
     apt-get update; \
-    apt-get install -y --no-install-recommends libopus0 libsodium23 libsqlite3-0 curl ffmpeg python3 sudo; \
-    update-alternatives --install /usr/local/bin/python python /usr/bin/python3.9 1; \
+    apt-get install -y --no-install-recommends libsqlite3-0 curl ffmpeg sudo python3; \
     echo 'Defaults>nadeko env_keep+="ASPNETCORE_* DOTNET_* NadekoBot_* shard_id total_shards TZ"' > /etc/sudoers.d/nadeko; \
     curl -Lo /usr/local/bin/yt-dlp https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp; \
     chmod a+rx /usr/local/bin/yt-dlp; \
     apt-get autoremove -y; \
     apt-get autoclean -y
 
+# Copy the built application and the entrypoint script from the build stage
 COPY --from=build /app ./
 COPY docker-entrypoint.sh /usr/local/sbin
 
+# Set environment variables
 ENV shard_id=0
 ENV total_shards=1
 ENV NadekoBot__creds=/app/data/creds.yml
 
+# Define the data directory as a volume
 VOLUME [ "/app/data" ]
+
+# Set the entrypoint and default command
 ENTRYPOINT [ "/usr/local/sbin/docker-entrypoint.sh" ]
-CMD dotnet NadekoBot.dll "$shard_id" "$total_shards"
+CMD dotnet NadekoBot.dll "$shard_id" "$total_shards"

src/NadekoBot/Db/Extensions/DiscordUserExtensions.cs

@@ -20,48 +20,48 @@ public static class DiscordUserExtensions
         string discrim,
         string avatarId)
         => ctx.GetTable<DiscordUser>()
-            .InsertOrUpdate(
-                () => new()
-                {
-                    UserId = userId,
-                    Username = username,
-                    Discriminator = discrim,
-                    AvatarId = avatarId,
-                    TotalXp = 0,
-                    CurrencyAmount = 0
-                },
-                old => new()
-                {
-                    Username = username,
-                    Discriminator = discrim,
-                    AvatarId = avatarId
-                },
-                () => new()
-                {
-                    UserId = userId
-                });
+              .InsertOrUpdate(
+                  () => new()
+                  {
+                      UserId = userId,
+                      Username = username,
+                      Discriminator = discrim,
+                      AvatarId = avatarId,
+                      TotalXp = 0,
+                      CurrencyAmount = 0
+                  },
+                  old => new()
+                  {
+                      Username = username,
+                      Discriminator = discrim,
+                      AvatarId = avatarId
+                  },
+                  () => new()
+                  {
+                      UserId = userId
+                  });
 
     public static Task EnsureUserCreatedAsync(
         this DbContext ctx,
         ulong userId)
         => ctx.GetTable<DiscordUser>()
-            .InsertOrUpdateAsync(
-                () => new()
-                {
-                    UserId = userId,
-                    Username = "Unknown",
-                    Discriminator = "????",
-                    AvatarId = string.Empty,
-                    TotalXp = 0,
-                    CurrencyAmount = 0
-                },
-                old => new()
-                {
-                },
-                () => new()
-                {
-                    UserId = userId
-                });
+              .InsertOrUpdateAsync(
+                  () => new()
+                  {
+                      UserId = userId,
+                      Username = "Unknown",
+                      Discriminator = "????",
+                      AvatarId = string.Empty,
+                      TotalXp = 0,
+                      CurrencyAmount = 0
+                  },
+                  old => new()
+                  {
+                  },
+                  () => new()
+                  {
+                      UserId = userId
+                  });
 
     //temp is only used in updatecurrencystate, so that i don't overwrite real usernames/discrims with Unknown
     public static DiscordUser GetOrCreateUser(
@@ -83,25 +83,29 @@ public static class DiscordUserExtensions
 
     public static int GetUserGlobalRank(this DbSet<DiscordUser> users, ulong id)
         => users.AsQueryable()
-               .Where(x => x.TotalXp
-                           > users.AsQueryable().Where(y => y.UserId == id).Select(y => y.TotalXp).FirstOrDefault())
-               .Count()
+                .Where(x => x.TotalXp
+                            > users.AsQueryable().Where(y => y.UserId == id).Select(y => y.TotalXp).FirstOrDefault())
+                .Count()
            + 1;
 
-    public static DiscordUser[] GetUsersXpLeaderboardFor(this DbSet<DiscordUser> users, int page, int perPage)
-        => users.AsQueryable().OrderByDescending(x => x.TotalXp).Skip(page * perPage).Take(perPage).AsEnumerable()
-            .ToArray();
+    public static async Task<IReadOnlyCollection<DiscordUser>> GetUsersXpLeaderboardFor(this DbSet<DiscordUser> users, int page, int perPage)
+        => await users.ToLinqToDBTable()
+                      .OrderByDescending(x => x.TotalXp)
+                      .Skip(page * perPage)
+                      .Take(perPage)
+                      .ToArrayAsyncLinqToDB();
 
     public static Task<List<DiscordUser>> GetTopRichest(
         this DbSet<DiscordUser> users,
         ulong botId,
-        int page = 0, int perPage = 9)
+        int page = 0,
+        int perPage = 9)
         => users.AsQueryable()
-            .Where(c => c.CurrencyAmount > 0 && botId != c.UserId)
-            .OrderByDescending(c => c.CurrencyAmount)
-            .Skip(page * perPage)
-            .Take(perPage)
-            .ToListAsyncLinqToDB();
+                .Where(c => c.CurrencyAmount > 0 && botId != c.UserId)
+                .OrderByDescending(c => c.CurrencyAmount)
+                .Skip(page * perPage)
+                .Take(perPage)
+                .ToListAsyncLinqToDB();
 
     public static async Task<long> GetUserCurrencyAsync(this DbSet<DiscordUser> users, ulong userId)
         => (await users.FirstOrDefaultAsyncLinqToDB(x => x.UserId == userId))?.CurrencyAmount ?? 0;
@@ -118,8 +122,8 @@ public static class DiscordUserExtensions
 
     public static decimal GetTopOnePercentCurrency(this DbSet<DiscordUser> users, ulong botId)
         => users.AsQueryable()
-            .Where(x => x.UserId != botId)
-            .OrderByDescending(x => x.CurrencyAmount)
-            .Take(users.Count() / 100 == 0 ? 1 : users.Count() / 100)
-            .Sum(x => x.CurrencyAmount);
+                .Where(x => x.UserId != botId)
+                .OrderByDescending(x => x.CurrencyAmount)
+                .Take(users.Count() / 100 == 0 ? 1 : users.Count() / 100)
+                .Sum(x => x.CurrencyAmount);
 }

src/NadekoBot/Db/Extensions/UserXpExtensions.cs

@@ -2,7 +2,6 @@
 using LinqToDB;
 using LinqToDB.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
-
 using NadekoBot.Db.Models;
 
 namespace NadekoBot.Db;
@@ -27,33 +26,33 @@ public static class UserXpExtensions
         return usr;
     }
 
-    public static List<UserXpStats> GetUsersFor(this DbSet<UserXpStats> xps, ulong guildId, int page)
-        => xps.AsQueryable()
-              .AsNoTracking()
-              .Where(x => x.GuildId == guildId)
-              .OrderByDescending(x => x.Xp + x.AwardedXp)
-              .Skip(page * 9)
-              .Take(9)
-              .ToList();
+    public static async Task<IReadOnlyCollection<UserXpStats>> GetUsersFor(
+        this DbSet<UserXpStats> xps,
+        ulong guildId,
+        int page)
+        => await xps.ToLinqToDBTable()
+                    .Where(x => x.GuildId == guildId)
+                    .OrderByDescending(x => x.Xp + x.AwardedXp)
+                    .Skip(page * 9)
+                    .Take(9)
+                    .ToArrayAsyncLinqToDB();
 
-    public static List<UserXpStats> GetTopUserXps(this DbSet<UserXpStats> xps, ulong guildId, int count)
-        => xps.AsQueryable()
-              .AsNoTracking()
-              .Where(x => x.GuildId == guildId)
-              .OrderByDescending(x => x.Xp + x.AwardedXp)
-              .Take(count)
-              .ToList();
+    public static async Task<List<UserXpStats>> GetTopUserXps(this DbSet<UserXpStats> xps, ulong guildId, int count)
+        => await xps.ToLinqToDBTable()
+                    .Where(x => x.GuildId == guildId)
+                    .OrderByDescending(x => x.Xp + x.AwardedXp)
+                    .Take(count)
+                    .ToListAsyncLinqToDB();
 
-    public static int GetUserGuildRanking(this DbSet<UserXpStats> xps, ulong userId, ulong guildId)
-        => xps.AsQueryable()
-              .AsNoTracking()
-              .Where(x => x.GuildId == guildId
-                          && x.Xp + x.AwardedXp
-                          > xps.AsQueryable()
-                               .Where(y => y.UserId == userId && y.GuildId == guildId)
-                               .Select(y => y.Xp + y.AwardedXp)
-                               .FirstOrDefault())
-              .Count()
+    public static async Task<int> GetUserGuildRanking(this DbSet<UserXpStats> xps, ulong userId, ulong guildId)
+        => await xps.ToLinqToDBTable()
+                    .Where(x => x.GuildId == guildId
+                                && x.Xp + x.AwardedXp
+                                > xps.AsQueryable()
+                                     .Where(y => y.UserId == userId && y.GuildId == guildId)
+                                     .Select(y => y.Xp + y.AwardedXp)
+                                     .FirstOrDefault())
+                    .CountAsyncLinqToDB()
            + 1;
 
     public static void ResetGuildUserXp(this DbSet<UserXpStats> xps, ulong userId, ulong guildId)
@@ -61,12 +60,11 @@ public static class UserXpExtensions
 
     public static void ResetGuildXp(this DbSet<UserXpStats> xps, ulong guildId)
         => xps.Delete(x => x.GuildId == guildId);
-    
+
     public static async Task<LevelStats> GetLevelDataFor(this ITable<UserXpStats> userXp, ulong guildId, ulong userId)
-            => await userXp
-                     .Where(x => x.GuildId == guildId && x.UserId == userId)
-                     .FirstOrDefaultAsyncLinqToDB() is UserXpStats uxs
-                ? new(uxs.Xp + uxs.AwardedXp)
-                : new(0);
-    
+        => await userXp
+                 .Where(x => x.GuildId == guildId && x.UserId == userId)
+                 .FirstOrDefaultAsyncLinqToDB() is UserXpStats uxs
+            ? new(uxs.Xp + uxs.AwardedXp)
+            : new(0);
 }

src/NadekoBot/Db/Models/GuildConfig.cs

@@ -3,6 +3,7 @@ namespace NadekoBot.Db.Models;
 
 public class GuildConfig : DbEntity
 {
+    // public bool Keep { get; set; }
     public ulong GuildId { get; set; }
 
     public string Prefix { get; set; }

src/NadekoBot/Modules/Gambling/Gambling.cs

@@ -766,7 +766,7 @@ public partial class Gambling : GamblingModule<GamblingService>
         }
 
 
-        async Task<IEnumerable<DiscordUser>> GetTopRichest(int curPage)
+        async Task<IReadOnlyCollection<DiscordUser>> GetTopRichest(int curPage)
         {
             if (opts.Clean)
             {

src/NadekoBot/Modules/Searches/StreamNotification/StreamNotificationCommands.cs

@@ -143,6 +143,10 @@ public partial class Searches
             if (--index < 0)
                 return;
 
+            var canMentionEveryone = (ctx.User as IGuildUser)?.GuildPermissions.MentionEveryone ?? true;
+            if (!canMentionEveryone)
+                message = message?.SanitizeAllMentions();
+
             if (!_service.SetStreamMessage(ctx.Guild.Id, index, message, out var fs))
             {
                 await Response().Confirm(strs.stream_not_following).SendAsync();
@@ -160,6 +164,10 @@ public partial class Searches
         [UserPerm(GuildPerm.ManageMessages)]
         public async Task StreamMessageAll([Leftover] string message)
         {
+            var canMentionEveryone = (ctx.User as IGuildUser)?.GuildPermissions.MentionEveryone ?? true;
+            if (!canMentionEveryone)
+                message = message?.SanitizeAllMentions();
+            
             var count = _service.SetStreamMessageForAll(ctx.Guild.Id, message);
 
             if (count == 0)

src/NadekoBot/Modules/Searches/StreamNotification/StreamNotificationService.cs

@@ -294,6 +294,7 @@ public sealed class StreamNotificationService : INService, IReadyExecutor
                                             var msg = await _sender.Response(textChannel)
                                                                    .Embed(GetEmbed(fs.GuildId, stream, false))
                                                                    .Text(message)
+                                                                   .Sanitize(false)
                                                                    .SendAsync();
 
                                             // only cache the ids of channel/message pairs 
@@ -615,7 +616,9 @@ public sealed class StreamNotificationService : INService, IReadyExecutor
     {
         using var uow = _db.GetDbContext();
 
-        var all = uow.Set<FollowedStream>().ToList();
+        var all = uow.Set<FollowedStream>()
+                     .Where(x => x.GuildId == guildId)
+                     .ToList();
 
         if (all.Count == 0)
             return 0;
@@ -623,6 +626,19 @@ public sealed class StreamNotificationService : INService, IReadyExecutor
         all.ForEach(x => x.Message = message);
 
         uow.SaveChanges();
+        
+        lock (_shardLock)
+        {
+            foreach (var fs in all)
+            {
+                var streams = GetLocalGuildStreams(fs.CreateKey(), guildId);
+
+                // message doesn't participate in equality checking
+                // removing and adding = update
+                streams.Remove(fs);
+                streams.Add(fs);
+            }
+        }
 
         return all.Count;
     }

src/NadekoBot/Modules/Xp/Xp.cs

@@ -1,7 +1,6 @@
 #nullable disable warnings
 using NadekoBot.Modules.Xp.Services;
 using NadekoBot.Db.Models;
-using NadekoBot.Db;
 using NadekoBot.Modules.Patronage;
 
 namespace NadekoBot.Modules.Xp;
@@ -191,21 +190,22 @@ public partial class Xp : NadekoModule<XpService>
             await ctx.Channel.TriggerTypingAsync();
             await _tracker.EnsureUsersDownloadedAsync(ctx.Guild);
 
-            allCleanUsers = _service.GetTopUserXps(ctx.Guild.Id, 1000)
-                                    .Where(user => socketGuild.GetUser(user.UserId) is not null)
-                                    .ToList();
+            allCleanUsers = (await _service.GetTopUserXps(ctx.Guild.Id, 1000))
+                            .Where(user => socketGuild.GetUser(user.UserId) is not null)
+                            .ToList();
         }
 
-        await Response()
+        var res = opts.Clean
+            ? Response()
               .Paginated()
-              .PageItems<UserXpStats>(opts.Clean
-                  ? (curPage) => Task.FromResult<IEnumerable<UserXpStats>>(allCleanUsers.Skip(curPage * 9)
-                      .Take(9)
-                      .ToList())
-                  : (curPage) => Task.FromResult<IEnumerable<UserXpStats>>(_service.GetUserXps(ctx.Guild.Id, curPage)))
+              .Items(allCleanUsers)
+            : Response()
+              .Paginated()
+              .PageItems((curPage) => _service.GetUserXps(ctx.Guild.Id, curPage));
+
+        await res
               .PageSize(9)
               .CurrentPage(page)
-              .AddFooter(false)
               .Page((users, curPage) =>
               {
                   var embed = _sender.CreateEmbed().WithTitle(GetText(strs.server_leaderboard)).WithOkColor();
@@ -241,23 +241,33 @@ public partial class Xp : NadekoModule<XpService>
     {
         if (--page < 0 || page > 99)
             return;
-        var users = _service.GetUserXps(page);
 
-        var embed = _sender.CreateEmbed().WithTitle(GetText(strs.global_leaderboard)).WithOkColor();
+        await Response()
+              .Paginated()
+              .PageItems(async curPage => await _service.GetUserXps(curPage))
+              .PageSize(9)
+              .Page((users, curPage) =>
+              {
+                  var embed = _sender.CreateEmbed()
+                                     .WithOkColor()
+                                     .WithTitle(GetText(strs.global_leaderboard));
 
-        if (!users.Any())
-            embed.WithDescription("-");
-        else
-        {
-            for (var i = 0; i < users.Length; i++)
-            {
-                var user = users[i];
-                embed.AddField($"#{i + 1 + (page * 9)} {user.ToString()}",
-                    $"{GetText(strs.level_x(new LevelStats(users[i].TotalXp).Level))} - {users[i].TotalXp}xp");
-            }
-        }
+                  if (!users.Any())
+                  {
+                      embed.WithDescription("-");
+                      return embed;
+                  }
 
-        await Response().Embed(embed).SendAsync();
+                  for (var i = 0; i < users.Count; i++)
+                  {
+                      var user = users[i];
+                      embed.AddField($"#{i + 1 + (curPage * 9)} {user}",
+                          $"{GetText(strs.level_x(new LevelStats(users[i].TotalXp).Level))} - {users[i].TotalXp}xp");
+                  }
+
+                  return embed;
+              })
+              .SendAsync();
     }
 
     [Cmd]

src/NadekoBot/Modules/Xp/XpService.cs

@@ -563,22 +563,23 @@ public class XpService : INService, IReadyExecutor, IExecNoCommand
         uow.SaveChanges();
     }
 
-    public List<UserXpStats> GetUserXps(ulong guildId, int page)
+    public async Task<IReadOnlyCollection<UserXpStats>> GetUserXps(ulong guildId, int page)
     {
-        using var uow = _db.GetDbContext();
-        return uow.Set<UserXpStats>().GetUsersFor(guildId, page);
+        await using var uow = _db.GetDbContext();
+        return await uow.Set<UserXpStats>().GetUsersFor(guildId, page);
     }
 
-    public List<UserXpStats> GetTopUserXps(ulong guildId, int count)
+    public async Task<IReadOnlyCollection<UserXpStats>> GetTopUserXps(ulong guildId, int count)
     {
-        using var uow = _db.GetDbContext();
-        return uow.Set<UserXpStats>().GetTopUserXps(guildId, count);
+        await using var uow = _db.GetDbContext();
+        return await uow.Set<UserXpStats>().GetTopUserXps(guildId, count);
     }
 
-    public DiscordUser[] GetUserXps(int page, int perPage = 9)
+    public Task<IReadOnlyCollection<DiscordUser>> GetUserXps(int page, int perPage = 9)
     {
         using var uow = _db.GetDbContext();
-        return uow.Set<DiscordUser>().GetUsersXpLeaderboardFor(page, perPage);
+        return uow.Set<DiscordUser>()
+                  .GetUsersXpLeaderboardFor(page, perPage);
     }
 
     public async Task ChangeNotificationType(ulong userId, ulong guildId, XpNotificationLocation type)
@@ -884,7 +885,7 @@ public class XpService : INService, IReadyExecutor, IExecNoCommand
         var du = uow.GetOrCreateUser(user, set => set.Include(x => x.Club));
         var totalXp = du.TotalXp;
         var globalRank = uow.Set<DiscordUser>().GetUserGlobalRank(user.Id);
-        var guildRank = uow.Set<UserXpStats>().GetUserGuildRanking(user.Id, user.GuildId);
+        var guildRank = await uow.Set<UserXpStats>().GetUserGuildRanking(user.Id, user.GuildId);
         var stats = uow.GetOrCreateUserXpStats(user.GuildId, user.Id);
         await uow.SaveChangesAsync();
 

src/NadekoBot/NadekoBot.csproj

@@ -5,7 +5,7 @@
         <Nullable>enable</Nullable>
         <ImplicitUsings>true</ImplicitUsings>
         <SatelliteResourceLanguages>en</SatelliteResourceLanguages>
-        <Version>5.0.5</Version>
+        <Version>5.0.7</Version>
 
         <!-- Output/build -->
         <RunWorkingDirectory>$(MSBuildProjectDirectory)</RunWorkingDirectory>

src/NadekoBot/_common/Sender/ResponseBuilder.PaginationSender.cs

@@ -58,7 +58,7 @@ public partial class ResponseBuilder
                 cb.WithButton(new ButtonBuilder()
                               .WithStyle(ButtonStyle.Primary)
                               .WithCustomId(BUTTON_RIGHT)
-                              .WithDisabled(lastPage == 0 || currentPage >= lastPage)
+                              .WithDisabled(lastPage is not null && (lastPage == 0 || currentPage >= lastPage))
                               .WithEmote(InteractionHelpers.ArrowRight));
 
                 return cb;

src/NadekoBot/_common/Sender/ResponseBuilder.cs

@@ -1,5 +1,6 @@
 using NadekoBot.Common.Configs;
 using NadekoBot.Db.Models;
+using System.Collections.ObjectModel;
 
 namespace NadekoBot.Extensions;
 
@@ -357,10 +358,9 @@ public sealed partial class ResponseBuilder
         fileName = name;
         return this;
     }
-    
+
     public PaginatedResponseBuilder Paginated()
         => new(this);
-
 }
 
 public class PaginatedResponseBuilder
@@ -376,7 +376,7 @@ public class PaginatedResponseBuilder
         => new SourcedPaginatedResponseBuilder<T>(_builder)
             .Items(items);
 
-    public SourcedPaginatedResponseBuilder<T> PageItems<T>(Func<int, Task<IEnumerable<T>>> items)
+    public SourcedPaginatedResponseBuilder<T> PageItems<T>(Func<int, Task<IReadOnlyCollection<T>>> items)
         => new SourcedPaginatedResponseBuilder<T>(_builder)
             .PageItems(items);
 }
@@ -390,14 +390,14 @@ public sealed class SourcedPaginatedResponseBuilder<T> : PaginatedResponseBuilde
         return Task.FromResult<EmbedBuilder>(new());
     };
 
-    public Func<int, Task<IEnumerable<T>>> ItemsFunc { get; set; } = static delegate
+    public Func<int, Task<IReadOnlyCollection<T>>> ItemsFunc { get; set; } = static delegate
     {
-        return Task.FromResult(Enumerable.Empty<T>());
+        return Task.FromResult<IReadOnlyCollection<T>>(ReadOnlyCollection<T>.Empty);
     };
 
     public Func<int, Task<SimpleInteractionBase>>? InteractionFunc { get; private set; }
 
-    public int Elems { get; private set; } = 1;
+    public int? Elems { get; private set; } = 1;
     public int ItemsPerPage { get; private set; } = 9;
     public bool AddPaginatedFooter { get; private set; } = true;
     public bool IsEphemeral { get; private set; }
@@ -413,18 +413,19 @@ public sealed class SourcedPaginatedResponseBuilder<T> : PaginatedResponseBuilde
     {
         items = col;
         Elems = col.Count;
-        ItemsFunc = (i) => Task.FromResult(items.Skip(i * ItemsPerPage).Take(ItemsPerPage));
+        ItemsFunc = (i) => Task.FromResult(items.Skip(i * ItemsPerPage).Take(ItemsPerPage).ToArray() as IReadOnlyCollection<T>);
         return this;
     }
-    
+
     public SourcedPaginatedResponseBuilder<T> TotalElements(int i)
     {
         Elems = i;
         return this;
     }
 
-    public SourcedPaginatedResponseBuilder<T> PageItems(Func<int, Task<IEnumerable<T>>> func)
+    public SourcedPaginatedResponseBuilder<T> PageItems(Func<int, Task<IReadOnlyCollection<T>>> func)
     {
+        Elems = null;
         ItemsFunc = func;
         return this;
     }

src/NadekoBot/_common/_Extensions/Extensions.cs

@@ -167,7 +167,8 @@ public static class Extensions
     {
         if (lastPage is not null)
             return embed.WithFooter($"{curPage + 1} / {lastPage + 1}");
-        return embed.WithFooter(curPage.ToString());
+        
+        return embed.WithFooter((curPage + 1).ToString());
     }
 
     // public static EmbedBuilder WithOkColor(this EmbedBuilder eb)