Files
freno-dev/src/server/api/routers/downloads.ts
2026-02-02 15:24:28 -05:00

116 lines
3.1 KiB
TypeScript

import { createTRPCRouter, publicProcedure } from "../utils";
import { z } from "zod";
import {
S3Client,
GetObjectCommand,
ListObjectsV2Command
} from "@aws-sdk/client-s3";
import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
import { env } from "~/env/server";
import { TRPCError } from "@trpc/server";
const assets: Record<string, string> = {
lineage: "Life and Lineage.apk",
cork: "Cork.zip",
"shapes-with-abigail": "shapes-with-abigail.apk"
};
/**
* Get the latest Gaze DMG from S3 by finding the most recent file in downloads/ folder
*/
async function getLatestGazeDMG(
client: S3Client,
bucket: string
): Promise<string> {
try {
const listCommand = new ListObjectsV2Command({
Bucket: bucket,
Prefix: "downloads/Gaze-",
MaxKeys: 100
});
const response = await client.send(listCommand);
if (!response.Contents || response.Contents.length === 0) {
throw new Error("No Gaze DMG files found in S3");
}
// Filter for .dmg files only and sort by LastModified (newest first)
const dmgFiles = response.Contents.filter((obj) =>
obj.Key?.endsWith(".dmg")
).sort((a, b) => {
const dateA = a.LastModified?.getTime() || 0;
const dateB = b.LastModified?.getTime() || 0;
return dateB - dateA; // Descending order (newest first)
});
if (dmgFiles.length === 0) {
throw new Error("No .dmg files found in downloads/Gaze-* prefix");
}
const latestFile = dmgFiles[0].Key!;
console.log(`Latest Gaze DMG: ${latestFile}`);
return latestFile;
} catch (error) {
console.error("Error finding latest Gaze DMG:", error);
throw error;
}
}
export const downloadsRouter = createTRPCRouter({
getDownloadUrl: publicProcedure
.input(z.object({ asset_name: z.string() }))
.query(async ({ input }) => {
const bucket = env.VITE_DOWNLOAD_BUCKET_STRING;
const credentials = {
accessKeyId: env.MY_AWS_ACCESS_KEY,
secretAccessKey: env.MY_AWS_SECRET_KEY
};
const client = new S3Client({
region: env.AWS_REGION,
credentials: credentials
});
try {
let fileKey: string;
// Special handling for Gaze - find latest version automatically
if (input.asset_name === "gaze") {
fileKey = await getLatestGazeDMG(client, bucket);
} else {
// Use static mapping for other assets
fileKey = assets[input.asset_name];
if (!fileKey) {
throw new TRPCError({
code: "NOT_FOUND",
message: "Asset not found"
});
}
}
const command = new GetObjectCommand({
Bucket: bucket,
Key: fileKey
});
const signedUrl = await getSignedUrl(client, command, {
expiresIn: 120
});
return { downloadURL: signedUrl };
} catch (error) {
console.error(error);
throw new TRPCError({
code: "INTERNAL_SERVER_ERROR",
message:
error instanceof Error
? error.message
: "Failed to generate download URL"
});
}
})
});