Add agent workflows & stuff

apps/agent-worker/src/github.ts

@@ -0,0 +1,52 @@
+import { createAppAuth } from '@octokit/auth-app';
+import { Octokit } from '@octokit/rest';
+
+import { env } from './env';
+
+export const getInstallationToken = async (installationId: string) => {
+  const auth = createAppAuth({
+    appId: env.githubAppId,
+    privateKey: env.githubPrivateKey,
+    installationId,
+  });
+  const result = await auth({ type: 'installation' });
+  return result.token;
+};
+
+export const getInstallationOctokit = (installationId: string) =>
+  new Octokit({
+    authStrategy: createAppAuth,
+    auth: {
+      appId: env.githubAppId,
+      privateKey: env.githubPrivateKey,
+      installationId,
+    },
+    userAgent: 'Spoon Agent Worker',
+    request: {
+      headers: {
+        'X-GitHub-Api-Version': '2022-11-28',
+      },
+    },
+  });
+
+export const openDraftPullRequest = async (args: {
+  installationId: string;
+  forkOwner: string;
+  forkRepo: string;
+  baseBranch: string;
+  workBranch: string;
+  title: string;
+  body: string;
+}) => {
+  const octokit = getInstallationOctokit(args.installationId);
+  const result = await octokit.rest.pulls.create({
+    owner: args.forkOwner,
+    repo: args.forkRepo,
+    base: args.baseBranch,
+    head: args.workBranch,
+    title: args.title,
+    body: args.body,
+    draft: true,
+  });
+  return result.data;
+};