feat: interaction.Respond

session/Session.ts

@@ -4,7 +4,7 @@ import type { Events } from "../handlers/Actions.ts";
 
 import { Snowflake } from "../util/Snowflake.ts";
 import { EventEmitter } from "../util/EventEmmiter.ts";
-import { createGatewayManager, createRestManager } from "../vendor/external.ts";
+import { createGatewayManager, createRestManager, getBotIdFromToken } from "../vendor/external.ts";
 
 import * as Routes from "../util/Routes.ts";
 import * as Actions from "../handlers/Actions.ts";
@@ -39,6 +39,18 @@ export class Session extends EventEmitter {
     rest: ReturnType<typeof createRestManager>;
     gateway: ReturnType<typeof createGatewayManager>;
 
+    unrepliedInteractions: Set<bigint> = new Set();
+
+    #botId: Snowflake;
+
+    set botId(id: Snowflake) {
+        this.#botId = id;
+    }
+
+    get botId() {
+        return this.#botId;
+    }
+
     constructor(options: SessionOptions) {
         super();
         this.options = options;
@@ -71,7 +83,8 @@ export class Session extends EventEmitter {
             },
             handleDiscordPayload: this.options.rawHandler ?? defHandler,
         });
-        // TODO: set botId in Session.botId or something
+
+        this.#botId = getBotIdFromToken(options.token).toString();
     }
 
     override on<K extends keyof Events>(event: K, func: Events[K]): this;

structures/Guild.ts

@@ -62,7 +62,7 @@ export class Guild extends BaseGuild implements Model {
         this.vefificationLevel = data.verification_level;
         this.defaultMessageNotificationLevel = data.default_message_notifications;
         this.explicitContentFilterLevel = data.explicit_content_filter;
-        this.members = data.members?.map((member) => new Member(session, { ...member, user: member.user! })) ?? [];
+        this.members = data.members?.map((member) => new Member(session, { ...member, user: member.user! }, data.id)) ?? [];
         this.roles = data.roles.map((role) => new Role(session, role, data.id));
         this.emojis = data.emojis.map((guildEmoji) => new GuildEmoji(session, guildEmoji, data.id));
     }

structures/Interaction.ts

@@ -1,9 +1,42 @@
 import type { Model } from "./Base.ts";
 import type { Snowflake } from "../util/Snowflake.ts";
 import type { Session } from "../session/Session.ts";
-import type { DiscordInteraction, InteractionTypes } from "../vendor/external.ts";
+import type {
+    DiscordMessage,
+    DiscordInteraction,
+    InteractionTypes,
+    InteractionResponseTypes,
+    FileContent,
+} from "../vendor/external.ts";
+import type { MessageFlags } from "../util/shared/flags.ts";
+import type { AllowedMentions } from "./Message.ts";
 import User from "./User.ts";
-// import Member from "./Member.ts";
+import Message from "./Message.ts";
+import Member from "./Member.ts";
+import * as Routes from "../util/Routes.ts";
+
+export interface InteractionResponse {
+    type: InteractionResponseTypes;
+    data?: InteractionApplicationCommandCallbackData;
+}
+
+export interface InteractionApplicationCommandCallbackData {
+    content?: string;
+    tts?: boolean;
+    allowedMentions?: AllowedMentions;
+    files?: FileContent[];
+    customId?: string;
+    title?: string;
+    // components?: Component[];
+    flags?: MessageFlags;
+    choices?: ApplicationCommandOptionChoice[];
+}
+
+/** https://discord.com/developers/docs/interactions/slash-commands#applicationcommandoptionchoice */
+export interface ApplicationCommandOptionChoice {
+  name: string;
+  value: string | number;
+}
 
 export class Interaction implements Model {
     constructor(session: Session, data: DiscordInteraction) {
@@ -21,8 +54,7 @@ export class Interaction implements Model {
             this.user = new User(session, data.user!);
         }
         else {
-            // TODO: member transformer
-            // pass
+            this.member = new Member(session, data.member!, data.guild_id);
         }
     }
 
@@ -38,9 +70,74 @@ export class Interaction implements Model {
     // deno-lint-ignore no-explicit-any
     data: any;
     user?: User;
+    member?: Member;
 
-    // TODO: do methods
-    async respond() {
+    async respond({ type, data }: InteractionResponse) {
+        const toSend = {
+            tts: data?.tts,
+            title: data?.title,
+            flags: data?.flags,
+            content: data?.content,
+            choices: data?.choices,
+            custom_id: data?.customId,
+            allowed_mentions: data?.allowedMentions
+                ? {
+                    users: data.allowedMentions.users,
+                    roles: data.allowedMentions.roles,
+                    parse: data.allowedMentions.parse,
+                    replied_user: data.allowedMentions.repliedUser,
+                }
+                : { parse: [] },
+        };
+
+        if (this.session.unrepliedInteractions.delete(BigInt(this.id))) {
+            await this.session.rest.sendRequest<undefined>(
+                this.session.rest,
+                {
+                    url: Routes.INTERACTION_ID_TOKEN(this.id, this.token),
+                    method: "POST",
+                    payload: this.session.rest.createRequestBody(this.session.rest, {
+                        method: "POST",
+                        body: {
+                            type: type,
+                            data: toSend,
+                            file: data?.files,
+                        },
+                        headers: {
+                          // remove authorization header
+                          Authorization: "",
+                        },
+                    }),
+                }
+            );
+
+            return;
+        }
+
+        const result = await this.session.rest.sendRequest<DiscordMessage>(
+            this.session.rest,
+            {
+                url: Routes.WEBHOOK(this.session.botId, this.token),
+                method: "POST",
+                payload: this.session.rest.createRequestBody(this.session.rest, {
+                    method: "POST",
+                    body: {
+                        ...toSend,
+                        file: data?.files
+                    },
+                    headers: {
+                        // remove authorization header
+                        Authorization: "",
+                    },
+                }),
+            }
+        );
+
+        return new Message(this.session, result);
+    }
+
+    inGuild(): this is Interaction & { user: undefined, guildId: Snowflake, member: Member } {
+        return "guildId" in this;
     }
 }
 

structures/Message.ts

@@ -63,12 +63,10 @@ export class Message implements Model {
         this.attachments = data.attachments.map((attachment) => new Attachment(session, attachment));
 
         // user is always null on MessageCreate and its replaced with author
-        this.member = data.member
-            ? new Member(session, {
-                ...data.member,
-                user: data.author,
-            })
-            : undefined;
+
+        if (data.guild_id && data.member) {
+            this.member = new Member(session, { ...data.member, user: data.author }, data.guild_id);
+        }
     }
 
     readonly session: Session;

util/Routes.ts

@@ -139,3 +139,18 @@ export function INVITE(inviteCode: string, options?: GetInvite) {
 export function GUILD_INVITES(guildId: Snowflake) {
     return `/guilds/${guildId}/invites`;
 }
+
+export function INTERACTION_ID_TOKEN(interactionId: Snowflake, token: string) {
+    return `/interactions/${interactionId}/${token}/callback`;
+}
+
+export function WEBHOOK(webhookId: Snowflake, token: string, options?: { wait?: boolean; threadId?: Snowflake }) {
+    let url = `/webhooks/${webhookId}/${token}?`;
+
+    if (options) {
+        if (options.wait !== undefined) url += `wait=${options.wait}`;
+        if (options.threadId) url += `threadId=${options.threadId}`;
+    }
+
+    return url;
+}

vendor/external.ts

@@ -2,3 +2,4 @@ export * from "./gateway/mod.ts";
 export * from "./rest/mod.ts";
 export * from "./types/mod.ts";
 export * from "./util/constants.ts";
+export * from "./util/token.ts";