1 files changed, 88 insertions, 1 deletions

diff --git a/src/ipcMain.ts b/src/ipcMain.ts
index d8bf475..8ec3746 100644
--- a/src/ipcMain.ts
+++ b/src/ipcMain.ts
@@ -1,17 +1,50 @@
+// TODO: refactor this mess
+
+import { execFile as cpExecFile } from 'child_process';
+import { createHash } from "crypto";
 import { app, BrowserWindow, ipcMain, shell } from "electron";
-import { mkdirSync, readFileSync, watch } from "fs";
+import { createReadStream, mkdirSync, readFileSync, watch } from "fs";
 import { open, readFile, writeFile } from "fs/promises";
 import { join } from 'path';
+import { promisify } from "util";
 import { debounce } from "./utils/debounce";
 import IpcEvents from './utils/IpcEvents';
 
+const VENCORD_SRC_DIR = join(__dirname, "..");
 const DATA_DIR = join(app.getPath("userData"), "..", "Vencord");
 const SETTINGS_DIR = join(DATA_DIR, "settings");
 const QUICKCSS_PATH = join(SETTINGS_DIR, "quickCss.css");
 const SETTINGS_FILE = join(SETTINGS_DIR, "settings.json");
 
+const execFile = promisify(cpExecFile);
+
 mkdirSync(SETTINGS_DIR, { recursive: true });
 
+async function calculateHashes() {
+    const hashes = {} as Record<string, string>;
+
+    await Promise.all(
+        ["patcher.js", "preload.js", "renderer.js"].map(file => new Promise<void>(r => {
+            const fis = createReadStream(join(__dirname, file));
+            const hash = createHash("sha1", { encoding: "hex" });
+            fis.once("end", () => {
+                hash.end();
+                hashes[file] = hash.read();
+                r();
+            });
+            fis.pipe(hash);
+        }))
+    );
+
+    return hashes;
+}
+
+function git(...args: string[]) {
+    return execFile("git", args, {
+        cwd: VENCORD_SRC_DIR
+    });
+}
+
 function readCss() {
     return readFile(QUICKCSS_PATH, "utf-8").catch(() => "");
 }
@@ -24,11 +57,65 @@ function readSettings() {
     }
 }
 
+function serializeErrors(func: (...args: any[]) => any) {
+    return async function () {
+        try {
+            return {
+                ok: true,
+                value: await func(...arguments)
+            };
+        } catch (e: any) {
+            return {
+                ok: false,
+                error: e instanceof Error ? {
+                    // prototypes get lost, so turn error into plain object
+                    ...e
+                } : e
+            };
+        }
+    };
+}
+
 ipcMain.handle(IpcEvents.GET_SETTINGS_DIR, () => SETTINGS_DIR);
 ipcMain.handle(IpcEvents.GET_QUICK_CSS, () => readCss());
 ipcMain.handle(IpcEvents.OPEN_PATH, (_, ...pathElements) => shell.openPath(join(...pathElements)));
 ipcMain.handle(IpcEvents.OPEN_EXTERNAL, (_, url) => shell.openExternal(url));
 
+ipcMain.handle(IpcEvents.GET_UPDATES, serializeErrors(async () => {
+    await git("fetch");
+
+    const res = await git("log", `HEAD...origin/main`, "--pretty=format:%h-%s");
+
+    const commits = res.stdout.trim();
+    return commits ? commits.split("\n").map(line => {
+        const [author, hash, ...rest] = line.split("/");
+        return {
+            hash, author, message: rest.join("/")
+        };
+    }) : [];
+}));
+
+ipcMain.handle(IpcEvents.UPDATE, serializeErrors(async () => {
+    const res = await git("pull");
+    return res.stdout.includes("Fast-forward");
+}));
+
+ipcMain.handle(IpcEvents.BUILD, serializeErrors(async () => {
+    const res = await execFile("node", ["build.mjs"], {
+        cwd: VENCORD_SRC_DIR
+    });
+    return !res.stderr.includes("Build failed");
+}));
+
+ipcMain.handle(IpcEvents.GET_HASHES, serializeErrors(calculateHashes));
+
+ipcMain.handle(IpcEvents.GET_REPO, serializeErrors(async () => {
+    const res = await git("remote", "get-url", "origin");
+    return res.stdout.trim()
+        .replace(/git@(.+):/, "https://$1/")
+        .replace(/\.git$/, "");
+}));
+
 // .on because we need Settings synchronously (ipcRenderer.sendSync)
 ipcMain.on(IpcEvents.GET_SETTINGS, (e) => e.returnValue = readSettings());