From 7c4bf7aeddc9d9b621742946d131c2539b06fe8b Mon Sep 17 00:00:00 2001
From: Andrew Kingston <andrew@kingston.dev>
Date: Tue, 2 Aug 2022 16:01:38 +0100
Subject: [PATCH] Fix crashing when determining roles when no apps exist

---
 packages/backend-core/src/security/roles.js | 23 ++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/packages/backend-core/src/security/roles.js b/packages/backend-core/src/security/roles.js
index 44dc4f2d3e..30869da68e 100644
--- a/packages/backend-core/src/security/roles.js
+++ b/packages/backend-core/src/security/roles.js
@@ -203,15 +203,24 @@ exports.getAllRoles = async appId => {
   if (appId) {
     return doWithDB(appId, internal)
   } else {
-    return internal(getAppDB())
+    let appDB
+    try {
+      appDB = getAppDB()
+    } catch (error) {
+      // We don't have any apps, so we'll just use the built-in roles
+    }
+    return internal(appDB)
   }
   async function internal(db) {
-    const body = await db.allDocs(
-      getRoleParams(null, {
-        include_docs: true,
-      })
-    )
-    let roles = body.rows.map(row => row.doc)
+    let roles = []
+    if (db) {
+      const body = await db.allDocs(
+        getRoleParams(null, {
+          include_docs: true,
+        })
+      )
+      roles = body.rows.map(row => row.doc)
+    }
     const builtinRoles = exports.getBuiltinRoles()
 
     // need to combine builtin with any DB record of them (for sake of permissions)