Permissions associated with channel

Behavior/Behaver.cs

@@ -39,9 +39,9 @@ public class Behaver
 
         foreach (var behavior in behaviors)
         {
-            if (behavior.ShouldAct(permissions, message))
+            if (behavior.ShouldAct(message))
             {
-                behavior.ActOn(permissions, message);
+                behavior.ActOn(message);
                 message.ActedOn = true;
             }
         }

Behavior/Behavior.cs

@@ -11,10 +11,9 @@ using System.Collections.Generic;
 //expect a behavior to be created per mesage
 public abstract class Behavior
 {
-    //TODO: message should have a channel, which should provide permissions. shouldn't have to pass it here.
+    public abstract Task<bool> ActOn(Message message);
-    public abstract Task<bool> ActOn(PermissionSettings permissions, Message message);
 
-    public virtual bool ShouldAct(PermissionSettings permissions, Message message)
+    public virtual bool ShouldAct(Message message)
     {
         return Regex.IsMatch(message.Content, $"{Trigger}\\b", RegexOptions.IgnoreCase);
     }

Behavior/ChatGPTSnark.cs

@@ -16,7 +16,7 @@ public class ChatGPTSnark : Behavior
 
     public override string Description => "snarkiness about the latest culty-fixation in ai";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         await message.Channel.SendMessage("chatGPT is **weak**. also, are we done comparing every little if-then-else to skynet?");
         return true;

Behavior/DefinitionSnarkCogDiss.cs

@@ -16,7 +16,7 @@ public class DefinitionSnarkCogDiss : Behavior
 
     public override string Description => "snarkiness about the rampant misuse of the term cognitive dissonance";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         await message.Reply("that's not what cognitive dissonance means. Did you mean \"hypocrisy\"?");
         return true;

Behavior/DefinitionSnarkGaslight.cs

@@ -16,7 +16,7 @@ public class DefinitionSnarkGaslight : Behavior
 
     public override string Description => "snarkiness about the rampant misuse of the term gaslighting";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         await message.Channel.SendMessage("that's not what gaslight means. Did you mean \"say something that (you believe) is wrong\"?");
         return true;

Behavior/Detiktokify.cs

@@ -22,9 +22,9 @@ public class Detiktokify : Behavior
         ytdl.OutputFolder = "";
         ytdl.OutputFileTemplate = "tiktokbad.%(ext)s";
     }
-    public override bool ShouldAct(PermissionSettings permissions, Message message)
+    public override bool ShouldAct(Message message)
     {
-        if(permissions.MaxAttachmentBytes == 0)
+        if(message.Channel.EffectivePermissions.MaxAttachmentBytes == 0)
             return false;
 
         var wordLikes = message.Content.Split(' ', StringSplitOptions.TrimEntries);
@@ -41,7 +41,7 @@ public class Detiktokify : Behavior
         }
         return tiktokLinks.Any();
     }
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         foreach(var link in tiktokLinks)
         {
@@ -64,7 +64,7 @@ public class Detiktokify : Behavior
                     if (File.Exists(path))
                     {
                         var bytesize = new System.IO.FileInfo(path).Length;
-                        if (bytesize < permissions.MaxAttachmentBytes - 256)
+                        if (bytesize < message.Channel.EffectivePermissions.MaxAttachmentBytes - 256)
                         {
                             try
                             {

Behavior/FiximageHeic.cs

@@ -18,7 +18,7 @@ public class FiximageHeic : Behavior
     public override string Description => "convert heic images to jpg";
 
     private List<Attachment> heics = new List<Attachment>();
-    public override bool ShouldAct(PermissionSettings permissions, Message message)
+    public override bool ShouldAct(Message message)
     {
         if (message.Attachments?.Count() > 0)
         {
@@ -33,7 +33,7 @@ public class FiximageHeic : Behavior
         return heics.Any();
     }
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         if (!Directory.Exists("tmp"))
         {

Behavior/GeneralSnarkCloudNative.cs

@@ -15,13 +15,13 @@ public class GeneralSnarkCloudNative : Behavior
     public override string Name => "general snarkiness: cloud native";
 
     public override string Trigger => "certain tech buzzwords that no human uses in normal conversation";
-    public override bool ShouldAct(PermissionSettings permissions, Message message)
+    public override bool ShouldAct(Message message)
     {
         return Regex.IsMatch(message.Content, "\\bcloud( |-)?native\\b", RegexOptions.IgnoreCase) ||
                Regex.IsMatch(message.Content, "\\benterprise( |-)?(level|solution)\\b", RegexOptions.IgnoreCase);
     }
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         switch (Shared.r.Next(2))
         {

Behavior/GeneralSnarkPlaying.cs

@@ -17,11 +17,11 @@ public class GeneralSnarkPlaying : Behavior
 
     public override string Description => "I didn't think you were playing, but now I do";
 
-    public override bool ShouldAct(PermissionSettings permissions, Message message)
+    public override bool ShouldAct(Message message)
     {
         return Regex.IsMatch(message.Content, "^(s?he|(yo)?u|y'?all|they) thinks? i'?m (playin|jokin|kiddin)g?$", RegexOptions.IgnoreCase);
     }
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         await message.Channel.SendMessage("I believed you for a second, but then you assured me you's a \uD83C\uDDE7   \uD83C\uDDEE   \uD83C\uDDF9   \uD83C\uDDE8   \uD83C\uDDED");
         return true;

Behavior/GeneralSnarkSkynet.cs

@@ -16,7 +16,7 @@ public class GeneralSnarkSkynet : Behavior
 
     public override string Description => "snarkiness about the old AI fixation";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         switch (Shared.r.Next(5))
         {

Behavior/Gratitude.cs

@@ -15,11 +15,11 @@ public class Gratitude : Behavior
 
     public override string Trigger => "thank me";
 
-    public override bool ShouldAct(PermissionSettings permissions, Message message)
+    public override bool ShouldAct(Message message)
     {
         return Regex.IsMatch(message.Content, "\\bthank (yo)?u\\b", RegexOptions.IgnoreCase) && message.MentionsMe;
     }
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
 
         switch (Shared.r.Next(4))

Behavior/Joke.cs

@@ -17,7 +17,7 @@ public class Joke : Behavior
 
     public override string Description => "tell a joke";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         Console.WriteLine("joking");
         var jokes = File.ReadAllLines("assets/jokes.txt");

Behavior/LaughAtOwnJoke.cs

@@ -18,14 +18,14 @@ public class LaughAtOwnJoke : Behavior
     public override string Description => Name;
     public static List<string> punchlinesAwaitingReaction = new List<string>();
 
-    public override bool ShouldAct(PermissionSettings permissions, Message message)
+    public override bool ShouldAct(Message message)
     {
         //TODO: i need to keep track of myself from here somehow
         return false;
         //return message.Author == me && punchlinesAwaitingReaction.Contains(message.Content);
     }
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         punchlinesAwaitingReaction.Remove(message.Content);
         await message.React("\U0001F60E"); //smiling face with sunglasses

Behavior/Peptalk.cs

@@ -18,7 +18,7 @@ public class PepTalk : Behavior
 
     public override string Description => "assembles a pep talk from a few pieces";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {var piece1 = new List<string>{
                 "Champ, ",
                 "Fact: ",

Behavior/PulseCheck.cs

@@ -14,7 +14,7 @@ public class PulseCheck : Behavior
 
     public override string Trigger => "!pluse ?check";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         await message.Channel.SendFile("assets/ekgblip.png", null);
         return true;

Behavior/QRify.cs

@@ -18,7 +18,7 @@ public class QRify : Behavior
 
     public override string Description => "generate text QR codes";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         var qrContent = message.Content.Substring($"{Trigger} ".Length + message.Content.IndexOf(Trigger));
         Console.WriteLine($"qring: {qrContent}");

Behavior/UnitConvert.cs

@@ -10,7 +10,7 @@ public class UnitConvert : Behavior
     public override string Trigger => "!freedomunits";
     public override string Description => "convert between many units.";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
 
         var theseMatches = Regex.Matches(message.Content, "\\b([\\d]+\\.?\\d*) ?([^\\d\\s].*) (in|to|as) ([^\\d\\s].*)$", RegexOptions.IgnoreCase);

Behavior/WishLuck.cs

@@ -16,7 +16,7 @@ public class WishLuck : Behavior
 
     public override string Description => "wishes you luck";
 
-    public override async Task<bool> ActOn(PermissionSettings permissions, Message message)
+    public override async Task<bool> ActOn(Message message)
     {
         if (Shared.r.Next(20) == 0)
         {

DiscordInterface/DiscordInterface.cs

@@ -18,6 +18,15 @@ public class DiscordInterface
     internal DiscordSocketClient client;
     private bool eventsSignedUp = false;
     private ChattingContext _db;
+    private static PermissionSettings defaultPermissions = new PermissionSettings()
+    {
+        MeannessFilterLevel = 1,
+        LewdnessFilterLevel = 3,
+        MaxTextChars = 2000,
+        MaxAttachmentBytes = 8 * 1024 * 1024,
+        LinksAllowed = true,
+        ReactionsPossible = true
+    };
     public DiscordInterface()
     {
         _db = Shared.dbContext;
@@ -42,7 +51,7 @@ public class DiscordInterface
 
                 client.MessageReceived += MessageReceived;
                 // _client.MessageUpdated +=
-                client.UserJoined += UserJoined;
+                // client.UserJoined += UserJoined;
                 client.SlashCommandExecuted += SlashCommandHandler;
                 // _client.ChannelCreated +=
                 // _client.ChannelDestroyed +=
@@ -100,13 +109,13 @@ public class DiscordInterface
         _db.SaveChanges();
     }
 
-    private Task UserJoined(SocketGuildUser arg)
+    private void UserJoined(SocketGuildUser arg)
     {
+        
             var guild = UpsertChannel(arg.Guild);
             var defaultChannel = UpsertChannel(arg.Guild.DefaultChannel);
             defaultChannel.ParentChannel = guild;
             var u = UpsertUser(arg);
-        return Behaver.Instance.OnJoin(u, defaultChannel);
     }
     private async Task ButtonHandler(SocketMessageComponent component)
     {

Migrations/20230619144448_permissionsmove.Designer.cs

@@ -0,0 +1,255 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using vassago.Models;
+
+#nullable disable
+
+namespace vassago.Migrations
+{
+    [DbContext(typeof(ChattingContext))]
+    [Migration("20230619144448_permissionsmove")]
+    partial class permissionsmove
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("vassago.Models.Attachment", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<byte[]>("Content")
+                        .HasColumnType("bytea");
+
+                    b.Property<string>("ContentType")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("text");
+
+                    b.Property<decimal?>("ExternalId")
+                        .HasColumnType("numeric(20,0)");
+
+                    b.Property<string>("Filename")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("MessageId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int>("Size")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Source")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("MessageId");
+
+                    b.ToTable("Attachments");
+                });
+
+            modelBuilder.Entity("vassago.Models.Channel", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("DisplayName")
+                        .HasColumnType("text");
+
+                    b.Property<decimal?>("ExternalId")
+                        .HasColumnType("numeric(20,0)");
+
+                    b.Property<bool>("IsDM")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid?>("ParentChannelId")
+                        .HasColumnType("uuid");
+
+                    b.Property<int?>("PermissionsId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Protocol")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ParentChannelId");
+
+                    b.HasIndex("PermissionsId");
+
+                    b.ToTable("Channels");
+                });
+
+            modelBuilder.Entity("vassago.Models.Message", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<bool>("ActedOn")
+                        .HasColumnType("boolean");
+
+                    b.Property<Guid?>("AuthorId")
+                        .HasColumnType("uuid");
+
+                    b.Property<Guid?>("ChannelId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text");
+
+                    b.Property<decimal?>("ExternalId")
+                        .HasColumnType("numeric(20,0)");
+
+                    b.Property<bool>("MentionsMe")
+                        .HasColumnType("boolean");
+
+                    b.Property<DateTimeOffset>("Timestamp")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AuthorId");
+
+                    b.HasIndex("ChannelId");
+
+                    b.ToTable("Messages");
+                });
+
+            modelBuilder.Entity("vassago.Models.PermissionSettings", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int?>("LewdnessFilterLevel")
+                        .HasColumnType("integer");
+
+                    b.Property<bool?>("LinksAllowed")
+                        .HasColumnType("boolean");
+
+                    b.Property<long?>("MaxAttachmentBytes")
+                        .HasColumnType("bigint");
+
+                    b.Property<long?>("MaxTextChars")
+                        .HasColumnType("bigint");
+
+                    b.Property<int?>("MeannessFilterLevel")
+                        .HasColumnType("integer");
+
+                    b.Property<bool?>("ReactionsPossible")
+                        .HasColumnType("boolean");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("PermissionSettings");
+                });
+
+            modelBuilder.Entity("vassago.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<decimal?>("ExternalId")
+                        .HasColumnType("numeric(20,0)");
+
+                    b.Property<bool>("IsBot")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Protocol")
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("SeenInChannelId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Username")
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("SeenInChannelId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("vassago.Models.Attachment", b =>
+                {
+                    b.HasOne("vassago.Models.Message", "Message")
+                        .WithMany("Attachments")
+                        .HasForeignKey("MessageId");
+
+                    b.Navigation("Message");
+                });
+
+            modelBuilder.Entity("vassago.Models.Channel", b =>
+                {
+                    b.HasOne("vassago.Models.Channel", "ParentChannel")
+                        .WithMany("SubChannels")
+                        .HasForeignKey("ParentChannelId");
+
+                    b.HasOne("vassago.Models.PermissionSettings", "Permissions")
+                        .WithMany()
+                        .HasForeignKey("PermissionsId");
+
+                    b.Navigation("ParentChannel");
+
+                    b.Navigation("Permissions");
+                });
+
+            modelBuilder.Entity("vassago.Models.Message", b =>
+                {
+                    b.HasOne("vassago.Models.User", "Author")
+                        .WithMany()
+                        .HasForeignKey("AuthorId");
+
+                    b.HasOne("vassago.Models.Channel", "Channel")
+                        .WithMany("Messages")
+                        .HasForeignKey("ChannelId");
+
+                    b.Navigation("Author");
+
+                    b.Navigation("Channel");
+                });
+
+            modelBuilder.Entity("vassago.Models.User", b =>
+                {
+                    b.HasOne("vassago.Models.Channel", "SeenInChannel")
+                        .WithMany()
+                        .HasForeignKey("SeenInChannelId");
+
+                    b.Navigation("SeenInChannel");
+                });
+
+            modelBuilder.Entity("vassago.Models.Channel", b =>
+                {
+                    b.Navigation("Messages");
+
+                    b.Navigation("SubChannels");
+                });
+
+            modelBuilder.Entity("vassago.Models.Message", b =>
+                {
+                    b.Navigation("Attachments");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Migrations/20230619144448_permissionsmove.cs

@@ -0,0 +1,70 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace vassago.Migrations
+{
+    /// <inheritdoc />
+    public partial class permissionsmove : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Channels_PermissionSettings_PermissionsOverridesId",
+                table: "Channels");
+
+            migrationBuilder.RenameColumn(
+                name: "PermissionsOverridesId",
+                table: "Channels",
+                newName: "PermissionsId");
+
+            migrationBuilder.RenameIndex(
+                name: "IX_Channels_PermissionsOverridesId",
+                table: "Channels",
+                newName: "IX_Channels_PermissionsId");
+
+            migrationBuilder.AddColumn<bool>(
+                name: "ReactionsPossible",
+                table: "PermissionSettings",
+                type: "boolean",
+                nullable: true);
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Channels_PermissionSettings_PermissionsId",
+                table: "Channels",
+                column: "PermissionsId",
+                principalTable: "PermissionSettings",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Channels_PermissionSettings_PermissionsId",
+                table: "Channels");
+
+            migrationBuilder.DropColumn(
+                name: "ReactionsPossible",
+                table: "PermissionSettings");
+
+            migrationBuilder.RenameColumn(
+                name: "PermissionsId",
+                table: "Channels",
+                newName: "PermissionsOverridesId");
+
+            migrationBuilder.RenameIndex(
+                name: "IX_Channels_PermissionsId",
+                table: "Channels",
+                newName: "IX_Channels_PermissionsOverridesId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Channels_PermissionSettings_PermissionsOverridesId",
+                table: "Channels",
+                column: "PermissionsOverridesId",
+                principalTable: "PermissionSettings",
+                principalColumn: "Id");
+        }
+    }
+}

Migrations/ChattingContextModelSnapshot.cs

@@ -77,7 +77,7 @@ namespace vassago.Migrations
                     b.Property<Guid?>("ParentChannelId")
                         .HasColumnType("uuid");
 
-                    b.Property<int?>("PermissionsOverridesId")
+                    b.Property<int?>("PermissionsId")
                         .HasColumnType("integer");
 
                     b.Property<string>("Protocol")
@@ -87,7 +87,7 @@ namespace vassago.Migrations
 
                     b.HasIndex("ParentChannelId");
 
-                    b.HasIndex("PermissionsOverridesId");
+                    b.HasIndex("PermissionsId");
 
                     b.ToTable("Channels");
                 });
@@ -151,6 +151,9 @@ namespace vassago.Migrations
                     b.Property<int?>("MeannessFilterLevel")
                         .HasColumnType("integer");
 
+                    b.Property<bool?>("ReactionsPossible")
+                        .HasColumnType("boolean");
+
                     b.HasKey("Id");
 
                     b.ToTable("PermissionSettings");
@@ -199,13 +202,13 @@ namespace vassago.Migrations
                         .WithMany("SubChannels")
                         .HasForeignKey("ParentChannelId");
 
-                    b.HasOne("vassago.Models.PermissionSettings", "PermissionsOverrides")
+                    b.HasOne("vassago.Models.PermissionSettings", "Permissions")
                         .WithMany()
-                        .HasForeignKey("PermissionsOverridesId");
+                        .HasForeignKey("PermissionsId");
 
                     b.Navigation("ParentChannel");
 
-                    b.Navigation("PermissionsOverrides");
+                    b.Navigation("Permissions");
                 });
 
             modelBuilder.Entity("vassago.Models.Message", b =>

Models/Channel.cs

@@ -14,7 +14,7 @@ public class Channel
     public ulong? ExternalId { get; set; }
     public string DisplayName { get; set; }
     public bool IsDM { get; set; }
-    public PermissionSettings PermissionsOverrides { get; set; }
+    public PermissionSettings Permissions { get; set; }
     public List<Channel> SubChannels { get; set; }
     public Channel ParentChannel { get; set; }
     public string Protocol { get; set; }
@@ -25,4 +25,39 @@ public class Channel
 
     [NonSerialized]
     public Func<string, Task> SendMessage;
+
+
+    public PermissionSettings EffectivePermissions
+    {
+        get
+        {
+            PermissionSettings toReturn = Permissions ?? new PermissionSettings();
+            return GetEffectivePermissions(ref toReturn);
+        }
+    }
+    private PermissionSettings GetEffectivePermissions(ref PermissionSettings settings)
+    {
+        if(settings == null) throw new ArgumentNullException();
+        settings.LewdnessFilterLevel = settings.LewdnessFilterLevel ?? Permissions?.LewdnessFilterLevel;
+        settings.MeannessFilterLevel = settings.MeannessFilterLevel ?? Permissions?.MeannessFilterLevel;
+        settings.LinksAllowed = settings.LinksAllowed ?? Permissions?.LinksAllowed;
+        settings.MaxAttachmentBytes = settings.MaxAttachmentBytes ?? Permissions?.MaxAttachmentBytes;
+        settings.MaxTextChars = settings.MaxTextChars ?? Permissions?.MaxTextChars;
+        settings.ReactionsPossible = settings.ReactionsPossible ?? Permissions?.ReactionsPossible;
+
+        if(this.ParentChannel != null &&
+            (settings.LewdnessFilterLevel == null ||
+            settings.MeannessFilterLevel == null ||
+            settings.LinksAllowed  == null ||
+            settings.MaxAttachmentBytes == null ||
+            settings.MaxTextChars == null ||
+            settings.ReactionsPossible == null))
+        {
+            return this.ParentChannel.GetEffectivePermissions(ref settings);
+        }
+        else
+        {
+            return settings;
+        }
+    }
 }

Models/PermissionSettings.cs

@@ -10,6 +10,7 @@ public class PermissionSettings
     public uint? MaxAttachmentBytes { get; set; }
     public uint? MaxTextChars { get; set; }
     public bool? LinksAllowed { get; set; }
+    public bool? ReactionsPossible { get; set; }
     public int? LewdnessFilterLevel { get; set; }
     public int? MeannessFilterLevel { get; set; }
 }