[CompositeRoles] Add listener and options

Cocotte/Modules/Activities/CompositeRolesListener.cs

@@ -0,0 +1,60 @@
+using Cocotte.Options;
+using Discord;
+using Discord.WebSocket;
+using Microsoft.Extensions.Options;
+
+namespace Cocotte.Modules.Activities;
+
+public class CompositeRolesListener
+{
+    private readonly ILogger<CompositeRolesListener> _logger;
+    private readonly IDictionary<ulong, GuildCompositeRoles[]> _compositeRoles;
+
+    public CompositeRolesListener(ILogger<CompositeRolesListener> logger,
+        IOptions<CompositeRolesOptions> compositeRolesOptions)
+    {
+        _logger = logger;
+        // Initialize dictionary: transform string guildIds to ulong
+        _compositeRoles = compositeRolesOptions.Value.CompositeRoles.ToDictionary(kp => ulong.Parse(kp.Key), kp => kp.Value);
+    }
+
+    public async Task UserUpdated(Cacheable<SocketGuildUser, ulong> cacheable, SocketGuildUser guildUser)
+    {
+        // Fetch composite roles for this guild
+        if (!_compositeRoles.TryGetValue(guildUser.Guild.Id, out var guildCompositeRoles))
+        {
+            return;
+        }
+
+        _logger.LogTrace("Guild {Guild} has at least one composite role, checking for user {User}", guildUser.Guild.Name, guildUser.DisplayName);
+
+        // Check roles for each composite roles
+        var roles = guildUser.Roles;
+        foreach (var compositeRole in guildCompositeRoles)
+        {
+            // If the user has the target role, check if we need to remove it
+            if (roles.FirstOrDefault(r => r.Id == compositeRole.TargetRoleId) is { } presentTargetRole)
+            {
+                // Check that the user no associated role
+                if (!roles.Any(r => compositeRole.CompositeRolesIds.Contains(r.Id)))
+                {
+                    await guildUser.RemoveRoleAsync(presentTargetRole);
+
+                    _logger.LogInformation("CompositeRoles removed role {Role} from {User}", presentTargetRole.Name, guildUser.DisplayName);
+                }
+            }
+            // It the user doesn't have the target role, check if we need to add it
+            else
+            {
+                // Check that the user has at least one of the desired roles
+                if (roles.Any(r => compositeRole.CompositeRolesIds.Contains(r.Id)))
+                {
+                    var missingTargetRole = guildUser.Guild.GetRole(compositeRole.TargetRoleId);
+                    await guildUser.AddRoleAsync(missingTargetRole);
+
+                    _logger.LogInformation("CompositeRoles added role {Role} from {User}", missingTargetRole.Name, guildUser.DisplayName);
+                }
+            }
+        }
+    }
+}

Cocotte/Modules/Activities/Models/Activity.cs

@@ -1,5 +1,4 @@
-using System.ComponentModel.DataAnnotations;
-using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations.Schema;
 using Microsoft.EntityFrameworkCore;
 
 namespace Cocotte.Modules.Activities.Models;

Cocotte/Options/CompositeRolesOptions.cs

@@ -0,0 +1,14 @@
+namespace Cocotte.Options;
+
+public class CompositeRolesOptions
+{
+    public const string SectionName = "CompositeRolesOptions";
+
+    public required IReadOnlyDictionary<string, GuildCompositeRoles[]> CompositeRoles { get; init; }
+}
+
+public class GuildCompositeRoles
+{
+    public required ulong TargetRoleId { get; init; }
+    public required ulong[] CompositeRolesIds { get; init; }
+}

Cocotte/Program.cs

@@ -21,12 +21,14 @@ IHost host = Host.CreateDefaultBuilder(args)
     {
         configuration.AddJsonFile("discord.json", false, false);
         configuration.AddJsonFile("activity.json", false, false);
+        configuration.AddJsonFile("compositeRoles.json", false, false);
     })
     .ConfigureServices((context, services) =>
     {
         // Options
         services.Configure<DiscordOptions>(context.Configuration.GetSection(DiscordOptions.SectionName));
         services.Configure<ActivityOptions>(context.Configuration.GetSection(ActivityOptions.SectionName));
+        services.Configure<CompositeRolesOptions>(context.Configuration.GetSection(CompositeRolesOptions.SectionName));
 
         // Database
         services.AddDbContext<CocotteDbContext>(options =>
@@ -53,6 +55,9 @@ IHost host = Host.CreateDefaultBuilder(args)
         services.AddTransient<InterstellarFormatter>();
         services.AddTransient<ActivityHelper>();
 
+        // Composite roles
+        services.AddSingleton<CompositeRolesListener>();
+
         // Raids
         services.AddTransient<RaidFormatter>();
         services.AddSingleton<RaidRegisterManager>();

Cocotte/Services/CocotteService.cs

@@ -65,9 +65,19 @@ public class CocotteService : BackgroundService
         await _client.LoginAsync(TokenType.Bot, _options.Token);
         await _client.StartAsync();
 
+        // Register events
+        RegisterEvents();
+
         await Task.Delay(Timeout.Infinite, stoppingToken);
     }
 
+    private void RegisterEvents()
+    {
+        var composteRolesListener = _serviceProvider.GetRequiredService<CompositeRolesListener>();
+
+        _client.GuildMemberUpdated += composteRolesListener.UserUpdated;
+    }
+
     private bool ValidateOptions()
     {
         // Validate group options

Cocotte/compositeRoles.json

@@ -0,0 +1,26 @@
+{
+	"CompositeRolesOptions": {
+		"CompositeRoles": {
+			"someGuildId (ulong)": [
+				{
+					"TargetRoleId": 1,
+					"CompositeRolesIds": [
+						0,
+						1,
+						2
+					]
+				}
+			],
+			"anotherGuildId (ulong)": [
+				{
+					"TargetRoleId": 45,
+					"CompositeRolesIds": [
+						98,
+						1,
+						2
+					]
+				}
+			]
+		}
+	}
+}