Added Permission evaluation for channels and EvaluatedPermissions class.

src/client/ClientDataResolver.js

@@ -0,0 +1,59 @@
+'use strict';
+
+const Structure = name => require(`../structures/${name}`);
+
+const User = Structure('User');
+const Message = Structure('Message');
+const Guild = Structure('Guild');
+const ServerChannel = Structure('ServerChannel');
+const TextChannel = Structure('TextChannel');
+const VoiceChannel = Structure('VoiceChannel');
+const GuildMember = Structure('GuildMember');
+
+function $string(obj) {
+	return (typeof obj === 'string' || obj instanceof String);
+}
+
+class ClientDataResolver {
+
+	constructor(client) {
+		this.client = client;
+	}
+
+	ResolveUser(user) {
+		if (user instanceof User) {
+			return user;
+		}else if ($string(user)) {
+			return this.client.store.get('users', user);
+		}else if (user instanceof Message) {
+			return user.author;
+		}else if (user instanceof Guild) {
+			return user.owner;
+		}
+
+		return null;
+	}
+
+	ResolveGuild(guild) {
+		if (guild instanceof Guild) {
+			return guild;
+		}
+	}
+
+	ResolveGuildMember(guild, user) {
+		if (user instanceof GuildMember) {
+			return user;
+		}
+
+		guild = this.ResolveGuild(guild);
+		user = this.ResolveUser(user);
+
+		if (!guild || !user) {
+			return null;
+		}
+
+		return guild.store.get('members', user.id);
+	}
+}
+
+module.exports = ClientDataResolver;