feat: initial webapp structure from notion2site

lib/acl.ts

@@ -0,0 +1,55 @@
+import { PageProps } from './types'
+
+export async function pageAcl({
+  site,
+  recordMap,
+  pageId
+}: PageProps): Promise<PageProps> {
+  if (!site) {
+    return {
+      error: {
+        statusCode: 404,
+        message: 'Unable to resolve notion site'
+      }
+    }
+  }
+
+  if (!recordMap) {
+    return {
+      error: {
+        statusCode: 404,
+        message: `Unable to resolve page for domain "${site.domain}". Notion page "${pageId}" not found.`
+      }
+    }
+  }
+
+  const keys = Object.keys(recordMap.block)
+  const rootKey = keys[0]
+
+  if (!rootKey) {
+    return {
+      error: {
+        statusCode: 404,
+        message: `Unable to resolve page for domain "${site.domain}". Notion page "${pageId}" invalid data.`
+      }
+    }
+  }
+
+  const rootValue = recordMap.block[rootKey]?.value
+  const rootSpaceId = rootValue?.space_id
+
+  if (
+    rootSpaceId &&
+    site.rootNotionSpaceId &&
+    rootSpaceId !== site.rootNotionSpaceId
+  ) {
+    if (process.env.NODE_ENV) {
+      return {
+        error: {
+          statusCode: 404,
+          message: `Notion page "${pageId}" doesn't belong to the Notion workspace owned by "${site.domain}".`
+        }
+      }
+    }
+  }
+}