refactor: ♻️ Rewrite build system to fit the monorepo architecture

packages/kit/queues/media/queue.ts

@@ -0,0 +1,16 @@
+import { Queue } from "bullmq";
+import { connection } from "../../redis.ts";
+
+export enum MediaJobType {
+    ConvertMedia = "convertMedia",
+    CalculateMetadata = "calculateMetadata",
+}
+
+export type MediaJobData = {
+    attachmentId: string;
+    filename: string;
+};
+
+export const mediaQueue = new Queue<MediaJobData, void, MediaJobType>("media", {
+    connection,
+});

packages/kit/queues/media/worker.ts

@@ -0,0 +1,112 @@
+import { config } from "@versia-server/config";
+import { Worker } from "bullmq";
+import { calculateBlurhash } from "../../../../classes/media/preprocessors/blurhash.ts";
+import { convertImage } from "../../../../classes/media/preprocessors/image-conversion.ts";
+import { Media } from "../../db/media.ts";
+import { connection } from "../../redis.ts";
+import { type MediaJobData, MediaJobType, mediaQueue } from "./queue.ts";
+
+export const getMediaWorker = (): Worker<MediaJobData, void, MediaJobType> =>
+    new Worker<MediaJobData, void, MediaJobType>(
+        mediaQueue.name,
+        async (job) => {
+            switch (job.name) {
+                case MediaJobType.ConvertMedia: {
+                    const { attachmentId, filename } = job.data;
+
+                    await job.log(`Fetching attachment ID [${attachmentId}]`);
+
+                    const attachment = await Media.fromId(attachmentId);
+
+                    if (!attachment) {
+                        throw new Error(
+                            `Attachment not found: [${attachmentId}]`,
+                        );
+                    }
+
+                    await job.log(`Processing attachment [${attachmentId}]`);
+                    await job.log(
+                        `Fetching file from [${attachment.getUrl()}]`,
+                    );
+
+                    // Download the file and process it.
+                    const blob = await (
+                        await fetch(attachment.getUrl())
+                    ).blob();
+
+                    const file = new File([blob], filename);
+
+                    await job.log(`Converting attachment [${attachmentId}]`);
+
+                    const processedFile = await convertImage(
+                        file,
+                        config.media.conversion.convert_to,
+                        {
+                            convertVectors:
+                                config.media.conversion.convert_vectors,
+                        },
+                    );
+
+                    await job.log(`Uploading attachment [${attachmentId}]`);
+
+                    await attachment.updateFromFile(processedFile);
+
+                    await job.log(
+                        `✔ Finished processing attachment [${attachmentId}]`,
+                    );
+
+                    break;
+                }
+                case MediaJobType.CalculateMetadata: {
+                    // Calculate blurhash
+                    const { attachmentId } = job.data;
+
+                    await job.log(`Fetching attachment ID [${attachmentId}]`);
+
+                    const attachment = await Media.fromId(attachmentId);
+
+                    if (!attachment) {
+                        throw new Error(
+                            `Attachment not found: [${attachmentId}]`,
+                        );
+                    }
+
+                    await job.log(`Processing attachment [${attachmentId}]`);
+                    await job.log(
+                        `Fetching file from [${attachment.getUrl()}]`,
+                    );
+
+                    // Download the file and process it.
+                    const blob = await (
+                        await fetch(attachment.getUrl())
+                    ).blob();
+
+                    // Filename is not important for blurhash
+                    const file = new File([blob], "");
+
+                    await job.log(`Generating blurhash for [${attachmentId}]`);
+
+                    const blurhash = await calculateBlurhash(file);
+
+                    await attachment.update({
+                        blurhash,
+                    });
+
+                    await job.log(
+                        `✔ Finished processing attachment [${attachmentId}]`,
+                    );
+
+                    break;
+                }
+            }
+        },
+        {
+            connection,
+            removeOnComplete: {
+                age: config.queues.media?.remove_after_complete_seconds,
+            },
+            removeOnFail: {
+                age: config.queues.media?.remove_after_failure_seconds,
+            },
+        },
+    );