From 3907199a546572ddd7b3afdab0e1510bc8f24384 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 20 Dec 2022 22:39:04 +0000
Subject: [PATCH] feat: add invite link for easier onboarding (#481)

---
 .env.example                |  4 +++
 nuxt.config.ts              |  9 +++++
 server/routes/invite.get.ts | 66 +++++++++++++++++++++++++++++++++++++
 3 files changed, 79 insertions(+)
 create mode 100644 server/routes/invite.get.ts

diff --git a/.env.example b/.env.example
index b99ca071..b60c2769 100644
--- a/.env.example
+++ b/.env.example
@@ -10,3 +10,7 @@ NUXT_STORAGE_DRIVER=
 NUXT_STORAGE_FS_BASE=
 
 NUXT_PUBLIC_DISABLE_VERSION_CHECK=
+
+NUXT_GITHUB_CLIENT_ID=
+NUXT_GITHUB_CLIENT_SECRET=
+NUXT_GITHUB_INVITE_TOKEN=
diff --git a/nuxt.config.ts b/nuxt.config.ts
index 408d5d40..d47589f8 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -71,6 +71,15 @@ export default defineNuxtConfig({
       namespaceId: '',
       apiToken: '',
     },
+    discord: {
+      inviteUrl: 'https://chat.elk.zone',
+    },
+    github: {
+      // oauth flow
+      clientId: '',
+      clientSecret: '',
+      inviteToken: '',
+    },
     public: {
       env: isCI ? isPreview ? 'staging' : 'production' : 'local',
       pwaEnabled: !isDevelopment || process.env.VITE_DEV_PWA === 'true',
diff --git a/server/routes/invite.get.ts b/server/routes/invite.get.ts
new file mode 100644
index 00000000..50aa93a3
--- /dev/null
+++ b/server/routes/invite.get.ts
@@ -0,0 +1,66 @@
+const query = (accessToken: string, query: string) =>
+  $fetch<{ data: any }>('https://api.github.com/graphql', {
+    method: 'POST',
+    headers: { Authorization: `Bearer ${accessToken}` },
+    body: { query },
+  })
+
+export default defineEventHandler(async (event) => {
+  const { code } = getQuery(event)
+
+  const config = useRuntimeConfig()
+
+  if (!code) {
+    const redirect = `&redirect_uri=${config.deployUrl}/invite`
+    const loginURL = `https://github.com/login/oauth/authorize?client_id=${config.github.clientId}${redirect}`
+    await sendRedirect(event, loginURL)
+    return
+  }
+
+  const { access_token } = await $fetch<{ access_token: string }>(
+    'https://github.com/login/oauth/access_token',
+    {
+      method: 'POST',
+      body: {
+        client_id: config.github.clientId,
+        client_secret: config.github.clientSecret,
+        code,
+      },
+    },
+  )
+
+  if (!access_token) {
+    throw createError({
+      statusCode: 422,
+      statusMessage: 'Authorisation code invalid.',
+    })
+  }
+
+  const id = await query(access_token, '{ viewer { databaseId } }')
+    .then(r => r.data?.viewer.databaseId)
+
+  if (!id) {
+    throw createError({
+      statusCode: 422,
+      statusMessage: 'Access code invalid.',
+    })
+  }
+
+  await $fetch(
+    'https://api.github.com/orgs/elk-zone/invitations',
+    {
+      method: 'POST',
+      body: { invitee_id: id, role: 'direct_member', team_ids: [7042932] },
+      headers: {
+        'Accept': 'application/vnd.github+json',
+        'Authorization': `Bearer ${config.github.inviteToken}`,
+        'X-GitHub-Api-Version': '2022-11-28',
+      },
+    },
+  )
+
+  return sendRedirect(
+    event,
+    config.discord.inviteUrl,
+  )
+})