Add support for Guild Member object & included data (#279)

DiscordChatExporter.Core.Models/Guild.cs

@@ -1,4 +1,9 @@
-namespace DiscordChatExporter.Core.Models
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Linq;
+
+namespace DiscordChatExporter.Core.Models
 {
     // https://discordapp.string.IsNullOrWhiteSpace(com/developers/docs/resources/guild#guild-object
 
@@ -10,13 +15,19 @@
 
         public string? IconHash { get; }
 
+        public IReadOnlyList<Role> Roles { get; }
+
+        public Dictionary<string, Member?> Members { get; }
+
         public string IconUrl { get; }
 
-        public Guild(string id, string name, string? iconHash)
+        public Guild(string id, string name, IReadOnlyList<Role> roles, string? iconHash)
         {
             Id = id;
             Name = name;
             IconHash = iconHash;
+            Roles = roles;
+            Members = new Dictionary<string, Member?>();
 
             IconUrl = GetIconUrl(id, iconHash);
         }
@@ -26,6 +37,16 @@
 
     public partial class Guild
     {
+        public static string GetUserColor(Guild guild, User user) =>
+                guild.Members.GetValueOrDefault(user.Id, null)?.Roles
+                ?.Select(r => guild.Roles
+                            .Where(role => r == role.Id)
+                            .FirstOrDefault()
+                )?.Where(r => r.Color != Color.Black)?
+                .Aggregate<Role, Role?>(null, (a, b) => (a?.Position ?? 0) > b.Position? a : b)?
+                .ColorAsHex ?? "";
+        public static string GetUserNick(Guild guild, User user) => guild.Members.GetValueOrDefault(user.Id)?.Nick ?? user.Name;
+
         public static string GetIconUrl(string id, string? iconHash)
         {
             return !string.IsNullOrWhiteSpace(iconHash)
@@ -33,6 +54,6 @@
                 : "https://cdn.discordapp.com/embed/avatars/0.png";
         }
 
-        public static Guild DirectMessages { get; } = new Guild("@me", "Direct Messages", null);
+        public static Guild DirectMessages { get; } = new Guild("@me", "Direct Messages", Array.Empty<Role>(), null);
     }
 }

DiscordChatExporter.Core.Models/Member.cs

@@ -0,0 +1,20 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace DiscordChatExporter.Core.Models
+{
+    public class Member
+    {
+        public string UserId { get; }
+        public string? Nick { get; }
+
+        public IReadOnlyList<string> Roles { get; }
+
+        public Member(string userId, string? nick, IReadOnlyList<string> roles)
+        {
+            UserId = userId;
+            Nick = nick;
+            Roles = roles;
+        }
+    }
+}

DiscordChatExporter.Core.Models/Role.cs

@@ -1,4 +1,7 @@
-namespace DiscordChatExporter.Core.Models
+
+using System.Drawing;
+
+namespace DiscordChatExporter.Core.Models
 {
     // https://discordapp.com/developers/docs/topics/permissions#role-object
 
@@ -8,10 +11,19 @@
 
         public string Name { get; }
 
-        public Role(string id, string name)
+        public Color Color { get; }
+
+        public string ColorAsHex => $"#{(Color.ToArgb() & 0xffffff):X6}";
+        public string ColorAsRgb => $"{Color.R}, {Color.G}, {Color.B}";
+
+        public int Position { get; }
+
+        public Role(string id, string name, Color color, int position)
         {
             Id = id;
             Name = name;
+            Color = color;
+            Position = position;
         }
 
         public override string ToString() => Name;
@@ -19,6 +31,6 @@
 
     public partial class Role
     {
-        public static Role CreateDeletedRole(string id) => new Role(id, "deleted-role");
+        public static Role CreateDeletedRole(string id) => new Role(id, "deleted-role", Color.Black, -1);
     }
 }