Replace preconditions with Discord permissions

Removed precondition code, moderator roles, unused database values.
Slightly rearranged commands.

ApplicationCommands/BirthdayModule.cs

@@ -3,8 +3,8 @@ using Discord.Interactions;
 using System.Text;
 
 namespace BirthdayBot.ApplicationCommands;
-[RequireGuildContext]
 [Group("birthday", HelpCmdBirthday)]
+[EnabledInDm(false)]
 public class BirthdayModule : BotModuleBase {
     public const string HelpCmdBirthday = "Commands relating to birthdays.";
     public const string HelpCmdSetDate = "Sets or updates your birthday.";
@@ -191,7 +191,7 @@ public class BirthdayModule : BotModuleBase {
             await doOutput(output.ToString()).ConfigureAwait(false);
     }
 
-    [RequireBotModerator]
+    [DefaultMemberPermissions(GuildPermission.ManageGuild)]
     [SlashCommand("export", HelpPfxModOnly + HelpCmdExport)]
     public async Task CmdExport([Summary(description: "Specify whether to export the list in CSV format.")] bool asCsv = false) {
         if (!await HasMemberCacheAsync(Context.Guild)) {

ApplicationCommands/BirthdayOverrideModule.cs

@@ -3,8 +3,9 @@ using Discord.Interactions;
 using static BirthdayBot.Common;
 
 namespace BirthdayBot.ApplicationCommands;
-[RequireBotModerator]
 [Group("override", HelpCmdOverride)]
+[DefaultMemberPermissions(GuildPermission.ManageGuild)]
+[EnabledInDm(false)]
 public class BirthdayOverrideModule : BotModuleBase {
     public const string HelpCmdOverride = "Commands to set options for other users.";
     const string HelpOptOvTarget = "The user whose data to modify.";

ApplicationCommands/ConfigModule.cs

@@ -3,13 +3,13 @@ using Discord.Interactions;
 using System.Text;
 
 namespace BirthdayBot.ApplicationCommands;
-[RequireBotModerator]
 [Group("config", HelpCmdConfig)]
+[DefaultMemberPermissions(GuildPermission.ManageGuild)]
+[EnabledInDm(false)]
 public class ConfigModule : BotModuleBase {
     public const string HelpCmdConfig = "Configure basic settings for the bot.";
     public const string HelpCmdAnnounce = "Settings regarding birthday announcements.";
-    public const string HelpCmdBlocking = "Settings for limiting user access.";
-    public const string HelpCmdRole = "Settings for roles used by this bot.";
+    public const string HelpCmdBirthdayRole = "Set the role given to users having a birthday.";
     public const string HelpCmdCheck = "Test the bot's current configuration and show the results.";
 
     const string HelpPofxBlankUnset = " Leave blank to unset.";
@@ -118,28 +118,14 @@ public class ConfigModule : BotModuleBase {
         }
     }
 
-    [Group("role", HelpPfxModOnly + HelpCmdRole)]
-    public class SubCmdsConfigRole : BotModuleBase {
-        [SlashCommand("set-birthday-role", HelpPfxModOnly + "Set the role given to users having a birthday.")]
-        public async Task CmdSetBRole([Summary(description: HelpOptRole)]SocketRole role) {
-            if (role.IsEveryone || role.IsManaged) {
-                await RespondAsync(":x: This role cannot be used for this setting.", ephemeral: true);
-                return;
-            }
-            await DoDatabaseUpdate(Context, s => s.BirthdayRole = role.Id);
-            await RespondAsync($":white_check_mark: The birthday role has been set to **{role.Name}**.").ConfigureAwait(false);
-        }
-
-        [SlashCommand("set-moderator-role", HelpPfxModOnly + "Designate a role whose members can configure the bot." + HelpPofxBlankUnset)]
-        public async Task CmdSetModRole([Summary(description: HelpOptRole)]SocketRole? role = null) {
-            if (role != null && (role.IsEveryone || role.IsManaged)) {
-                await RespondAsync(":x: This role cannot be used for this setting.", ephemeral: true);
-                return;
-            }
-            await DoDatabaseUpdate(Context, s => s.ModeratorRole = role?.Id);
-            await RespondAsync(":white_check_mark: The moderator role has been " +
-                (role == null ? "unset." : $"set to **{role.Name}**."));
+    [SlashCommand("birthday-role", HelpPfxModOnly + HelpCmdBirthdayRole)]
+    public async Task CmdSetBRole([Summary(description: HelpOptRole)] SocketRole role) {
+        if (role.IsEveryone || role.IsManaged) {
+            await RespondAsync(":x: This role cannot be used for this setting.", ephemeral: true);
+            return;
         }
+        await DoDatabaseUpdate(Context, s => s.BirthdayRole = role.Id);
+        await RespondAsync($":white_check_mark: The birthday role has been set to **{role.Name}**.").ConfigureAwait(false);
     }
 
     [SlashCommand("check", HelpPfxModOnly + HelpCmdCheck)]

ApplicationCommands/HelpModule.cs

@@ -1,6 +1,7 @@
 using Discord.Interactions;
 
 namespace BirthdayBot.ApplicationCommands;
+[EnabledInDm(true)]
 public class HelpModule : BotModuleBase {
     private const string TopMessage =
         "Thank you for using Birthday Bot!\n" +
@@ -20,10 +21,7 @@ public class HelpModule : BotModuleBase {
         $"` ⤷check` - {ConfigModule.HelpCmdCheck}\n" +
         $"` ⤷announce` - {ConfigModule.HelpCmdAnnounce}\n" +
         $"`  ⤷` See also: `/config announce help`.\n" +
-        $"` ⤷block` - {ConfigModule.HelpCmdBlocking}\n" +
-        $"`  ⤷add-block`, `⤷remove-block`, `⤷set-moderated`\n" +
-        $"` ⤷role` - {ConfigModule.HelpCmdRole}\n" +
-        $"`  ⤷set-birthday-role`, `⤷set-moderator-role`\n" +
+        $"` ⤷birthday-role` - {ConfigModule.HelpCmdBirthdayRole}\n" +
         $"`/override` - {BirthdayOverrideModule.HelpCmdOverride}\n" +
         $"` ⤷set-birthday`, `⤷set-timezone`, `⤷remove`\n" +
         "**Caution:** Skipping optional parameters __removes__ their configuration.";

ApplicationCommands/Preconditions/RequireBotModerator.cs

@@ -1,33 +0,0 @@
-using BirthdayBot.Data;
-using Discord.Interactions;
-
-namespace BirthdayBot.ApplicationCommands;
-/// <summary>
-/// Precondition requiring the executing user be recognized as a bot moderator.<br/>
-/// A bot moderator has either the Manage Server permission or is a member of the designated bot moderator role.
-/// </summary>
-[Obsolete("Replace with appropriate DefaultMemberPermissionsAttribute")]
-class RequireBotModeratorAttribute : PreconditionAttribute {
-    public const string Error = "User did not pass the mod check.";
-    public const string Reply = ":x: You must be a moderator to use this command.";
-
-    public override string ErrorMessage => Error;
-
-    public override Task<PreconditionResult> CheckRequirementsAsync(
-        IInteractionContext context, ICommandInfo commandInfo, IServiceProvider services) {
-        // A bot moderator can only exist in a guild context, so we must do this check.
-        // This check causes this precondition to become a functional equivalent to RequireGuildContextAttribute...
-        if (context.User is not SocketGuildUser user)
-            return Task.FromResult(PreconditionResult.FromError(RequireGuildContextAttribute.Error));
-
-        if (user.GuildPermissions.ManageGuild) return Task.FromResult(PreconditionResult.FromSuccess());
-        using var db = new BotDatabaseContext();
-        var checkRole = (ulong?)db.GuildConfigurations
-            .Where(g => g.GuildId == ((SocketGuild)context.Guild).Id)
-            .Select(g => g.ModeratorRole).FirstOrDefault();
-        if (checkRole.HasValue && user.Roles.Any(r => r.Id == checkRole.Value))
-            return Task.FromResult(PreconditionResult.FromSuccess());
-
-        return Task.FromResult(PreconditionResult.FromError(Error));
-    }
-}

ApplicationCommands/Preconditions/RequireGuildContext.cs

@@ -1,16 +0,0 @@
-using Discord.Interactions;
-
-namespace BirthdayBot.ApplicationCommands;
-/// <summary>
-/// Implements the included precondition from Discord.Net, requiring a guild context while using our custom error message.<br/><br/>
-/// Combining this with <see cref="RequireBotModeratorAttribute"/> is redundant. If possible, only use the latter instead.
-/// </summary>
-[Obsolete("Replace with EnableInDmAttribute")]
-class RequireGuildContextAttribute : RequireContextAttribute {
-    public const string Error = "Command not received within a guild context.";
-    public const string Reply = ":x: This command is only available within a server.";
-
-    public override string ErrorMessage => Error;
-
-    public RequireGuildContextAttribute() : base(ContextType.Guild) { }
-}

Data/GuildConfig.cs

@@ -16,11 +16,6 @@ public class GuildConfig {
     [Column("time_zone")]
     public string? GuildTimeZone { get; set; }
 
-    public bool Moderated { get; set; }
-
-    [Obsolete("To be removed when RequireBotModeratorAttribute is also removed")]
-    public ulong? ModeratorRole { get; set; }
-
     public string? AnnounceMessage { get; set; }
 
     public string? AnnounceMessagePl { get; set; }

Data/Migrations/20230204063321_RemoveModRole.Designer.cs

@@ -0,0 +1,123 @@
+// <auto-generated />
+using System;
+using BirthdayBot.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace BirthdayBot.Data.Migrations
+{
+    [DbContext(typeof(BotDatabaseContext))]
+    [Migration("20230204063321_RemoveModRole")]
+    partial class RemoveModRole
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.0")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("BirthdayBot.Data.GuildConfig", b =>
+                {
+                    b.Property<decimal>("GuildId")
+                        .HasColumnType("numeric(20,0)")
+                        .HasColumnName("guild_id");
+
+                    b.Property<string>("AnnounceMessage")
+                        .HasColumnType("text")
+                        .HasColumnName("announce_message");
+
+                    b.Property<string>("AnnounceMessagePl")
+                        .HasColumnType("text")
+                        .HasColumnName("announce_message_pl");
+
+                    b.Property<bool>("AnnouncePing")
+                        .HasColumnType("boolean")
+                        .HasColumnName("announce_ping");
+
+                    b.Property<decimal?>("AnnouncementChannel")
+                        .HasColumnType("numeric(20,0)")
+                        .HasColumnName("channel_announce_id");
+
+                    b.Property<decimal?>("BirthdayRole")
+                        .HasColumnType("numeric(20,0)")
+                        .HasColumnName("role_id");
+
+                    b.Property<string>("GuildTimeZone")
+                        .HasColumnType("text")
+                        .HasColumnName("time_zone");
+
+                    b.Property<DateTimeOffset>("LastSeen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_seen")
+                        .HasDefaultValueSql("now()");
+
+                    b.HasKey("GuildId")
+                        .HasName("settings_pkey");
+
+                    b.ToTable("settings", (string)null);
+                });
+
+            modelBuilder.Entity("BirthdayBot.Data.UserEntry", b =>
+                {
+                    b.Property<decimal>("GuildId")
+                        .HasColumnType("numeric(20,0)")
+                        .HasColumnName("guild_id");
+
+                    b.Property<decimal>("UserId")
+                        .HasColumnType("numeric(20,0)")
+                        .HasColumnName("user_id");
+
+                    b.Property<int>("BirthDay")
+                        .HasColumnType("integer")
+                        .HasColumnName("birth_day");
+
+                    b.Property<int>("BirthMonth")
+                        .HasColumnType("integer")
+                        .HasColumnName("birth_month");
+
+                    b.Property<DateTimeOffset>("LastSeen")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_seen")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<string>("TimeZone")
+                        .HasColumnType("text")
+                        .HasColumnName("time_zone");
+
+                    b.HasKey("GuildId", "UserId")
+                        .HasName("user_birthdays_pkey");
+
+                    b.ToTable("user_birthdays", (string)null);
+                });
+
+            modelBuilder.Entity("BirthdayBot.Data.UserEntry", b =>
+                {
+                    b.HasOne("BirthdayBot.Data.GuildConfig", "Guild")
+                        .WithMany("UserEntries")
+                        .HasForeignKey("GuildId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("user_birthdays_guild_id_fkey");
+
+                    b.Navigation("Guild");
+                });
+
+            modelBuilder.Entity("BirthdayBot.Data.GuildConfig", b =>
+                {
+                    b.Navigation("UserEntries");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Data/Migrations/20230204063321_RemoveModRole.cs

@@ -0,0 +1,39 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace BirthdayBot.Data.Migrations
+{
+    /// <inheritdoc />
+    public partial class RemoveModRole : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "moderated",
+                table: "settings");
+
+            migrationBuilder.DropColumn(
+                name: "moderator_role",
+                table: "settings");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "moderated",
+                table: "settings",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<decimal>(
+                name: "moderator_role",
+                table: "settings",
+                type: "numeric(20,0)",
+                nullable: true);
+        }
+    }
+}

Data/Migrations/BotDatabaseContextModelSnapshot.cs

@@ -58,14 +58,6 @@ namespace BirthdayBot.Data.Migrations
                         .HasColumnName("last_seen")
                         .HasDefaultValueSql("now()");
 
-                    b.Property<bool>("Moderated")
-                        .HasColumnType("boolean")
-                        .HasColumnName("moderated");
-
-                    b.Property<decimal?>("ModeratorRole")
-                        .HasColumnType("numeric(20,0)")
-                        .HasColumnName("moderator_role");
-
                     b.HasKey("GuildId")
                         .HasName("settings_pkey");
 

ShardInstance.cs

@@ -133,35 +133,18 @@ public sealed class ShardInstance : IDisposable {
     }
 
     // Slash command logging and failed execution handling
-    private async Task InteractionService_SlashCommandExecuted(SlashCommandInfo info, IInteractionContext context, IResult result) {
+    private Task InteractionService_SlashCommandExecuted(SlashCommandInfo info, IInteractionContext context, IResult result) {
         string sender;
-        if (context.Guild != null) {
-            sender = $"{context.Guild}!{context.User}";
-        } else {
-            sender = $"{context.User} in non-guild context";
-        }
+        if (context.Guild != null) sender = $"{context.Guild}!{context.User}";
+        else sender = $"{context.User} in non-guild context";
         var logresult = $"{(result.IsSuccess ? "Success" : "Fail")}: `/{info}` by {sender}.";
 
         if (result.Error != null) {
             // Additional log information with error detail
             logresult += " " + Enum.GetName(typeof(InteractionCommandError), result.Error) + ": " + result.ErrorReason;
-
-            // Specific responses to errors, if necessary
-            if (result.Error == InteractionCommandError.UnmetPrecondition) {
-                var errReply = result.ErrorReason switch {
-                    RequireBotModeratorAttribute.Error => RequireBotModeratorAttribute.Reply,
-                    RequireGuildContextAttribute.Error => RequireGuildContextAttribute.Reply,
-                    _ => result.ErrorReason
-                };
-                await context.Interaction.RespondAsync(errReply, ephemeral: true).ConfigureAwait(false);
-            } else {
-                // Generic error response
-                var ia = context.Interaction;
-                if (ia.HasResponded) await ia.ModifyOriginalResponseAsync(p => p.Content = InternalError).ConfigureAwait(false);
-                else await ia.RespondAsync(InternalError).ConfigureAwait(false);
-            }
         }
 
         Log("Command", logresult);
+        return Task.CompletedTask;
     }
 }