Stop server crashing when SimpleFIN is down. (#410)

src/app-simplefin/app-simplefin.js

@@ -50,14 +50,19 @@ app.post(
     const startDate = new Date(now.getFullYear(), now.getMonth(), 1);
     const endDate = new Date(now.getFullYear(), now.getMonth() + 1, 1);
 
-    const accounts = await getAccounts(accessKey, startDate, endDate);
+    try {
+      const accounts = await getAccounts(accessKey, startDate, endDate);
 
-    res.send({
-      status: 'ok',
-      data: {
-        accounts: accounts.accounts,
-      },
-    });
+      res.send({
+        status: 'ok',
+        data: {
+          accounts: accounts.accounts,
+        },
+      });
+    } catch (e) {
+      serverDown(e, res);
+      return;
+    }
   }),
 );
 
@@ -73,9 +78,15 @@ app.post(
       return;
     }
 
+    let results;
     try {
-      const results = await getTransactions(accessKey, new Date(startDate));
+      results = await getTransactions(accessKey, new Date(startDate));
+    } catch (e) {
+      serverDown(e, res);
+      return;
+    }
 
+    try {
       const account = results.accounts.find((a) => a.id === accountId);
 
       const needsAttention = results.errors.find(
@@ -194,6 +205,19 @@ function invalidToken(res) {
   });
 }
 
+function serverDown(e, res) {
+  console.log(e);
+  res.send({
+    status: 'ok',
+    data: {
+      error_type: 'SERVER_DOWN',
+      error_code: 'SERVER_DOWN',
+      status: 'rejected',
+      reason: 'There was an error communciating with SimpleFIN.',
+    },
+  });
+}
+
 function parseAccessKey(accessKey) {
   let scheme = null;
   let rest = null;

upcoming-release-notes/410.md

@@ -0,0 +1,6 @@
+---
+category: Bugfix
+authors: [psybers]
+---
+
+Stop server crashing when SimpleFIN is down.