feat: add sendify plugin (#122)

* feat: add sendify plugin

* fix: tweak plugin description

* fix: respect message replies

This implements code provided by Ven, while taking into account possible
errors from Discord as well as minor changes for readability.

Co-authored-by: Ven <vendicated@riseup.net>

src/plugins/sendify.ts

@@ -0,0 +1,123 @@
+import definePlugin from "../utils/types";
+import { lazyWebpack } from "../utils";
+import { filters } from "../webpack";
+import { ApplicationCommandInputType, sendBotMessage } from "../api/Commands";
+import { Devs } from "../utils/constants";
+import { PartialDeep } from "type-fest";
+import { Message } from "discord-types/general";
+import { FluxDispatcher } from "../webpack/common";
+
+interface Album {
+    id: string
+    image: {
+        height: number
+        width: number
+        url: string
+    }
+    name: string
+}
+
+interface Artist {
+    external_urls: {
+        spotify: string
+    }
+    href: string
+    id: string
+    name: string
+    type: "artist" | string
+    uri: string
+}
+
+interface Track {
+    id: string
+    album: Album
+    artists: Artist[]
+    duration: number
+    isLocal: boolean
+    name: string
+}
+
+const Spotify = lazyWebpack(filters.byProps(["getPlayerState"]));
+const MessageCreator = lazyWebpack(filters.byProps(["getSendMessageOptionsForReply", "sendMessage"]));
+const PendingReplyStore = lazyWebpack(filters.byProps(["getPendingReply"]));
+
+function sendMessage(channelId, message) {
+    message = {
+        // The following are required to prevent Discord from throwing an error
+        invalidEmojis: [],
+        tts: false,
+        validNonShortcutEmojis: [],
+        ...message
+    };
+    const reply = PendingReplyStore.getPendingReply(channelId);
+    MessageCreator.sendMessage(channelId, message, void 0, MessageCreator.getSendMessageOptionsForReply(reply))
+        .then(() => {
+            if (reply) {
+                FluxDispatcher.dispatch({ type: "DELETE_PENDING_REPLY", channelId });
+            }
+        });
+}
+
+export default definePlugin({
+    name: "Sendify",
+    description: "Send your current Spotify music to chat",
+    authors: [Devs.katlyn],
+    dependencies: ["CommandsAPI"],
+    commands: [
+        {
+            name: "track",
+            description: "Send your current Spotify track to chat",
+            inputType: ApplicationCommandInputType.BUILT_IN,
+            options: [],
+            execute: (_, ctx) => {
+                const track: Track | null = Spotify.getTrack();
+                if (track === null) {
+                    sendBotMessage(ctx.channel.id, {
+                        content: "You're not listening to any music."
+                    });
+                    return;
+                }
+                // Note: Due to how Discord handles commands, we need to manually create and send the message
+                sendMessage(ctx.channel.id, {
+                    content: `https://open.spotify.com/track/${track.id}`
+                });
+            }
+        },
+        {
+            name: "album",
+            description: "Send your current Spotify album to chat",
+            inputType: ApplicationCommandInputType.BUILT_IN,
+            options: [],
+            execute: (_, ctx) => {
+                const track: Track | null = Spotify.getTrack();
+                if (track === null) {
+                    sendBotMessage(ctx.channel.id, {
+                        content: "You're not listening to any music."
+                    });
+                    return;
+                }
+                sendMessage(ctx.channel.id, {
+                    content: `https://open.spotify.com/album/${track.album.id}`
+                });
+            }
+        },
+        {
+            name: "artist",
+            description: "Send your current Spotify artist to chat",
+            inputType: ApplicationCommandInputType.BUILT_IN,
+            options: [],
+            execute: (_, ctx) => {
+                const track: Track | null = Spotify.getTrack();
+                if (track === null) {
+                    sendBotMessage(ctx.channel.id, {
+                        content: "You're not listening to any music."
+                    });
+                    return;
+                }
+                sendMessage(ctx.channel.id, {
+                    content: track.artists[0].external_urls.spotify
+                });
+            }
+        }
+    ]
+});

src/utils/constants.ts

@@ -51,5 +51,8 @@ export const Devs = Object.freeze({
         name: "ECHO",
         id: 712639419785412668n
     },
-
+    katlyn: {
+        name: "katlyn",
+        id: 250322741406859265n
+    }
 });