Add /remind command

Signed-off-by: Octol1ttle <l1ttleofficial@outlook.com>

Boyfriend.cs

@@ -1,6 +1,5 @@
 using Boyfriend.Commands;
 using Boyfriend.Services;
-using Boyfriend.Services.Data;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
@@ -80,7 +79,8 @@ public class Boyfriend {
                         .WithCommandGroup<ClearCommandGroup>()
                         .WithCommandGroup<KickCommandGroup>()
                         .WithCommandGroup<MuteCommandGroup>()
-                        .WithCommandGroup<PingCommandGroup>();
+                        .WithCommandGroup<PingCommandGroup>()
+                        .WithCommandGroup<RemindCommandGroup>();
                     var responderTypes = typeof(Boyfriend).Assembly
                         .GetExportedTypes()
                         .Where(t => t.IsResponder());

ColorsList.cs

@@ -1,8 +1,5 @@
 using System.Drawing;
 
-// TODO: remove this when all colors are used
-// ReSharper disable UnusedMember.Global
-
 namespace Boyfriend;
 
 /// <summary>

Commands/AboutCommandGroup.cs

@@ -1,6 +1,6 @@
 using System.ComponentModel;
 using System.Text;
-using Boyfriend.Services.Data;
+using Boyfriend.Services;
 using Remora.Commands.Attributes;
 using Remora.Commands.Groups;
 using Remora.Discord.API.Abstractions.Rest;

Commands/BanCommandGroup.cs

@@ -1,7 +1,6 @@
 using System.ComponentModel;
 using System.Text;
 using Boyfriend.Services;
-using Boyfriend.Services.Data;
 using Remora.Commands.Attributes;
 using Remora.Commands.Groups;
 using Remora.Discord.API.Abstractions.Objects;

Commands/ClearCommandGroup.cs

@@ -1,6 +1,6 @@
 using System.ComponentModel;
 using System.Text;
-using Boyfriend.Services.Data;
+using Boyfriend.Services;
 using Remora.Commands.Attributes;
 using Remora.Commands.Groups;
 using Remora.Discord.API.Abstractions.Objects;

Commands/KickCommandGroup.cs

@@ -1,6 +1,5 @@
 using System.ComponentModel;
 using Boyfriend.Services;
-using Boyfriend.Services.Data;
 using Remora.Commands.Attributes;
 using Remora.Commands.Groups;
 using Remora.Discord.API.Abstractions.Objects;

Commands/MuteCommandGroup.cs

@@ -1,7 +1,6 @@
 using System.ComponentModel;
 using System.Text;
 using Boyfriend.Services;
-using Boyfriend.Services.Data;
 using Remora.Commands.Attributes;
 using Remora.Commands.Groups;
 using Remora.Discord.API.Abstractions.Objects;

Commands/PingCommandGroup.cs

@@ -1,5 +1,5 @@
 using System.ComponentModel;
-using Boyfriend.Services.Data;
+using Boyfriend.Services;
 using Remora.Commands.Attributes;
 using Remora.Commands.Groups;
 using Remora.Discord.API.Abstractions.Rest;

Commands/RemindCommandGroup.cs

@@ -0,0 +1,66 @@
+using System.ComponentModel;
+using Boyfriend.Data;
+using Boyfriend.Services;
+using Remora.Commands.Attributes;
+using Remora.Commands.Groups;
+using Remora.Discord.API.Abstractions.Rest;
+using Remora.Discord.Commands.Contexts;
+using Remora.Discord.Commands.Feedback.Services;
+using Remora.Discord.Extensions.Embeds;
+using Remora.Discord.Extensions.Formatting;
+using Remora.Results;
+
+// ReSharper disable ClassNeverInstantiated.Global
+// ReSharper disable UnusedMember.Global
+
+namespace Boyfriend.Commands;
+
+/// <summary>
+///     Handles the command to manage reminders: /remind
+/// </summary>
+public class RemindCommandGroup : CommandGroup {
+    private readonly ICommandContext     _context;
+    private readonly GuildDataService    _dataService;
+    private readonly FeedbackService     _feedbackService;
+    private readonly IDiscordRestUserAPI _userApi;
+
+    public RemindCommandGroup(
+        ICommandContext     context, GuildDataService dataService, FeedbackService feedbackService,
+        IDiscordRestUserAPI userApi) {
+        _context = context;
+        _dataService = dataService;
+        _feedbackService = feedbackService;
+        _userApi = userApi;
+    }
+
+    [Command("remind")]
+    [Description("крафтит напоминалки")]
+    public async Task<Result> AddReminderAsync(TimeSpan duration, string text) {
+        if (!_context.TryGetContextIDs(out var guildId, out var channelId, out var userId))
+            return Result.FromError(
+                new ArgumentNullError(nameof(_context), "Unable to retrieve necessary IDs from command context"));
+
+        var userResult = await _userApi.GetUserAsync(userId.Value, CancellationToken);
+        if (!userResult.IsDefined(out var user))
+            return Result.FromError(userResult);
+
+        var remindAt = DateTimeOffset.UtcNow.Add(duration);
+
+        (await _dataService.GetMemberData(guildId.Value, userId.Value, CancellationToken)).Reminders.Add(
+            new Reminder {
+                RemindAt = remindAt,
+                Channel = channelId.Value,
+                Text = text
+            });
+
+        var embed = new EmbedBuilder().WithSmallTitle(string.Format(Messages.ReminderCreated, user.GetTag()), user)
+            .WithDescription(string.Format(Messages.DescriptionReminderCreated, Markdown.Timestamp(remindAt)))
+            .WithColour(ColorsList.Green)
+            .Build();
+
+        if (!embed.IsDefined(out var built))
+            return Result.FromError(embed);
+
+        return (Result)await _feedbackService.SendContextualEmbedAsync(built, ct: CancellationToken);
+    }
+}

Data/MemberData.cs

@@ -14,4 +14,5 @@ public class MemberData {
     public ulong           Id          { get; }
     public DateTimeOffset? BannedUntil { get; set; }
     public List<Snowflake> Roles       { get; set; } = new();
+    public List<Reminder>  Reminders   { get; }      = new();
 }

Data/Reminder.cs

@@ -0,0 +1,9 @@
+using Remora.Rest.Core;
+
+namespace Boyfriend.Data;
+
+public struct Reminder {
+    public DateTimeOffset RemindAt;
+    public string         Text;
+    public Snowflake      Channel;
+}

EventResponders.cs

@@ -1,5 +1,5 @@
 using Boyfriend.Data;
-using Boyfriend.Services.Data;
+using Boyfriend.Services;
 using DiffPlex.DiffBuilder;
 using Microsoft.Extensions.Logging;
 using Remora.Discord.API.Abstractions.Gateway.Events;

Messages.resx

@@ -456,8 +456,8 @@
     <data name="MissingReminderText" xml:space="preserve">
     <value>You need to specify reminder text!</value>
   </data>
-    <data name="FeedbackReminderAdded" xml:space="preserve">
+    <data name="DescriptionReminderCreated" xml:space="preserve">
-    <value>OK, I'll mention you on &lt;t:{0}:f&gt;</value>
+        <value>OK, I'll mention you on {0}</value>
     </data>
     <data name="InvalidRemindIn" xml:space="preserve">
     <value>You need to specify when I should send you the reminder!</value>
@@ -537,4 +537,13 @@
     <data name="AboutDeveloper@neroduckale" xml:space="preserve">
     <value>developer</value>
   </data>
+    <data name="ReminderCreated" xml:space="preserve">
+        <value>Reminder for {0} created</value>
+    </data>
+    <data name="Reminder" xml:space="preserve">
+        <value>Reminder for {0}</value>
+    </data>
+    <data name="DescriptionReminder" xml:space="preserve">
+        <value>You asked me to remind you {0}</value>
+    </data>
 </root>

Messages.ru.resx

@@ -453,8 +453,8 @@
     <data name="MissingReminderText" xml:space="preserve">
     <value>Тебе нужно указать текст напоминания!</value>
   </data>
-    <data name="FeedbackReminderAdded" xml:space="preserve">
+    <data name="DescriptionReminderCreated" xml:space="preserve">
-    <value>Хорошо, я упомяну тебя &lt;t:{0}:f&gt;</value>
+        <value>Хорошо, я упомяну тебя {0}</value>
     </data>
     <data name="InvalidRemindIn" xml:space="preserve">
     <value>Нужно указать время, через которое придёт напоминание!</value>
@@ -537,4 +537,13 @@
     <data name="AboutDeveloper@mctaylors" xml:space="preserve">
     <value>дизайнер лого и эмбедов, создатель Boyfriend's Wiki</value>
   </data>
+    <data name="ReminderCreated" xml:space="preserve">
+        <value>Напоминание для {0} создано</value>
+    </data>
+    <data name="Reminder" xml:space="preserve">
+        <value>Напоминание для {0}</value>
+    </data>
+    <data name="DescriptionReminder" xml:space="preserve">
+        <value>Вы просили напомнить вам {0}</value>
+    </data>
 </root>

Messages.tt-ru.resx

@@ -456,8 +456,8 @@
     <data name="MissingReminderText" xml:space="preserve">
     <value>для крафта напоминалки нужен текст</value>
   </data>
-    <data name="FeedbackReminderAdded" xml:space="preserve">
+    <data name="DescriptionReminderCreated" xml:space="preserve">
-    <value>вас понял, упоминание будет &lt;t:{0}:f&gt;</value>
+        <value>вас понял, упоминание будет {0}</value>
     </data>
     <data name="InvalidRemindIn" xml:space="preserve">
     <value>шизоид у меня на часах такого нету</value>
@@ -537,4 +537,13 @@
     <data name="AboutDeveloper@Octol1ttle" xml:space="preserve">
     <value>САМЫЙ ВАЖНЫЙ чел написавший кода больше всех (99.99%)</value>
   </data>
+    <data name="ReminderCreated" xml:space="preserve">
+        <value>напоминалка для {0} скрафченА</value>
+    </data>
+    <data name="Reminder" xml:space="preserve">
+        <value>напоминалка для {0}</value>
+    </data>
+    <data name="DescriptionReminder" xml:space="preserve">
+        <value>ты хотел чтоб я напомнил тебе {0}</value>
+    </data>
 </root>

Services/GuildDataService.cs

@@ -5,7 +5,7 @@ using Microsoft.Extensions.Hosting;
 using Remora.Discord.API.Abstractions.Rest;
 using Remora.Rest.Core;
 
-namespace Boyfriend.Services.Data;
+namespace Boyfriend.Services;
 
 /// <summary>
 ///     Handles saving, loading, initializing and providing <see cref="GuildData" />.

Services/GuildUpdateService.cs

@@ -1,5 +1,4 @@
 using Boyfriend.Data;
-using Boyfriend.Services.Data;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Remora.Discord.API.Abstractions.Objects;
@@ -95,11 +94,12 @@ public class GuildUpdateService : BackgroundService {
     ///     This method does the following:
     ///     <list type="bullet">
     ///         <item>Automatically unbans users once their ban period has expired.</item>
-    ///         <item>Automatically grants users the guild's <see cref="GuildConfiguration.DefaultRole"/> if one is set.</item>
+    ///         <item>Automatically grants members the guild's <see cref="GuildConfiguration.DefaultRole"/> if one is set.</item>
     ///         <item>Sends reminders about an upcoming scheduled event.</item>
     ///         <item>Automatically starts scheduled events if <see cref="GuildConfiguration.AutoStartEvents"/> is enabled.</item>
     ///         <item>Sends scheduled event start notifications.</item>
     ///         <item>Sends scheduled event completion notifications.</item>
+    ///         <item>Sends reminders to members.</item>
     ///     </list>
     ///     This is done here and not in a <see cref="IResponder{TGatewayEvent}" /> for the following reasons:
     ///     <list type="bullet">
@@ -118,20 +118,46 @@ public class GuildUpdateService : BackgroundService {
         var defaultRoleSnowflake = data.Configuration.DefaultRole.ToDiscordSnowflake();
 
         foreach (var memberData in data.MemberData.Values) {
-            var userIdSnowflake = memberData.Id.ToDiscordSnowflake();
+            var userId = memberData.Id.ToDiscordSnowflake();
+
             if (defaultRoleSnowflake.Value is not 0 && !memberData.Roles.Contains(defaultRoleSnowflake))
                 _ = _guildApi.AddGuildMemberRoleAsync(
-                    guildId, userIdSnowflake, defaultRoleSnowflake, ct: ct);
+                    guildId, userId, defaultRoleSnowflake, ct: ct);
 
             if (DateTimeOffset.UtcNow > memberData.BannedUntil) {
                 var unbanResult = await _guildApi.RemoveGuildBanAsync(
-                    guildId, userIdSnowflake, Messages.PunishmentExpired.EncodeHeader(), ct);
+                    guildId, userId, Messages.PunishmentExpired.EncodeHeader(), ct);
                 if (unbanResult.IsSuccess)
                     memberData.BannedUntil = null;
                 else
                     _logger.LogWarning(
                         "Error in automatic user unban request.\n{ErrorMessage}", unbanResult.Error.Message);
             }
+
+            var userResult = await _userApi.GetUserAsync(userId, ct);
+            if (!userResult.IsDefined(out var user)) continue;
+
+            for (var i = memberData.Reminders.Count - 1; i >= 0; i--) {
+                var reminder = memberData.Reminders[i];
+                if (DateTimeOffset.UtcNow < reminder.RemindAt) continue;
+
+                var embed = new EmbedBuilder().WithSmallTitle(
+                        string.Format(Messages.Reminder, user.GetTag()), user)
+                    .WithDescription(
+                        string.Format(Messages.DescriptionReminder, Markdown.InlineCode(reminder.Text)))
+                    .WithColour(ColorsList.Magenta)
+                    .Build();
+
+                if (!embed.IsDefined(out var built)) continue;
+
+                var messageResult = await _channelApi.CreateMessageAsync(
+                    reminder.Channel, Mention.User(user), embeds: new[] { built }, ct: ct);
+                if (!messageResult.IsSuccess)
+                    _logger.LogWarning(
+                        "Error in reminder send.\n{ErrorMessage}", messageResult.Error.Message);
+
+                memberData.Reminders.Remove(reminder);
+            }
         }
 
         var eventsResult = await _eventApi.ListScheduledEventsForGuildAsync(guildId, ct: ct);