Tweaks to versions endpoint and improve loader update data

src/routes/launcher/loader/update-data.ts

@@ -2,8 +2,41 @@ import { MySql2Database } from "drizzle-orm/mysql2";
 import { launcherUpdates } from "../../../lib/tables";
 import { desc, eq } from "drizzle-orm";
 import { jsonResponse } from "../../../lib/util";
+import { Context } from "elysia";
+
+export async function handler(context: Context, db: MySql2Database) {
+    const platform = context.query.platform as string | undefined
+    const arch = context.query.arch as string | undefined
+    let showAll = false
+
+    if (!platform || !arch) {
+        showAll = true
+    }
+
+    let platString = null
+    if (!showAll) {
+        if (platform == "windows") {
+            if (arch == "x86_64") platString = "windows"
+            else if (arch == "aarch64") platString = "windows-arm64"
+            else {
+                return jsonResponse({ error: "Unsupported architecture for Windows" }, 400)
+            }
+        } else if (platform == "linux") {
+            if (arch == "x86_64") platString = "linux"
+            else {
+                return jsonResponse({ error: "Unsupported architecture for Linux" }, 400)
+            }
+        } else if (platform == "macos") {
+            if (arch == "x86_64") platString = "macos-intel"
+            else if (arch == "aarch64") platString = "macos-silicon"
+            else {
+                return jsonResponse({ error: "Unsupported architecture for macOS" }, 400)
+            }
+        } else {
+            return jsonResponse({ error: "Unsupported platform" }, 400)
+        }
+    }
 
-export async function handler(db: MySql2Database) {
     const versionsRaw = await db.select({
         id: launcherUpdates.id,
         releaseDate: launcherUpdates.releaseDate,
@@ -21,8 +54,27 @@ export async function handler(db: MySql2Database) {
         ...v,
         downloadUrls: JSON.parse(v.downloadUrls),
         platforms: JSON.parse(v.platforms),
-        sha512sums: JSON.parse(v.sha512sums)
+        sha512sums: JSON.parse(v.sha512sums),
+        downloadUrl: undefined as string | undefined,
+        sha512sum: undefined as string | undefined
     }))
+        .filter(v => {
+            if (showAll || !platString) {
+                delete v.downloadUrl
+                delete v.sha512sum
+                return true
+            }
+            const i = v.platforms.indexOf(platString)
+            if (i !== -1) {
+                v.downloadUrl = v.downloadUrls[i]
+                v.sha512sum = v.sha512sums[i]
+                delete v.downloadUrls
+                delete v.platforms
+                delete v.sha512sums
+                return true
+            }
+            return false
+        })
 
     return jsonResponse(versions[0])
 }