From bd2848c78ab3eada7cac52546b0576f51179b86b Mon Sep 17 00:00:00 2001
From: Fabian Engelniederhammer <fabian.engelniederhammer@tngtech.com>
Date: Mon, 26 Feb 2024 15:11:30 +0100
Subject: [PATCH] fix(website): Handle 503 error from SILO

See https://github.com/GenSpectrum/LAPIS-SILO/issues/295
SILO throws an error now when it did not load a database yet.
---
 website/src/utils/search.ts      | 5 ++++-
 website/tests/playwrightSetup.ts | 6 +++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/website/src/utils/search.ts b/website/src/utils/search.ts
index 193812584..93f220fb6 100644
--- a/website/src/utils/search.ts
+++ b/website/src/utils/search.ts
@@ -7,6 +7,7 @@ import type { ProblemDetail } from '../types/backend.ts';
 import type { MetadataFilter, MutationFilter } from '../types/config.ts';
 import { type LapisBaseRequest, type OrderBy, type OrderByType, orderByType } from '../types/lapis.ts';
 import type { ReferenceGenomesSequenceNames } from '../types/referencesGenomes.ts';
+
 export type SearchResponse = {
     data: TableSequenceData[];
     totalCount: number;
@@ -46,7 +47,9 @@ export const getData = async (
 
     const aggregateResult = await lapisClient.call('aggregated', searchFilters);
 
-    if (aggregateResult.isOk() && aggregateResult.value.data[0].count === 0) {
+    const siloDoesNotHaveDataYet = aggregateResult.isErr() && aggregateResult.error.status === 503;
+    const siloIsEmpty = aggregateResult.isOk() && aggregateResult.value.data[0].count === 0;
+    if (siloDoesNotHaveDataYet || siloIsEmpty) {
         return ok({
             data: [],
             totalCount: 0,
diff --git a/website/tests/playwrightSetup.ts b/website/tests/playwrightSetup.ts
index 2478a8120..9005961ac 100644
--- a/website/tests/playwrightSetup.ts
+++ b/website/tests/playwrightSetup.ts
@@ -24,7 +24,7 @@ enum LapisStateBeforeTests {
 
 export default async function globalSetupForPlaywright() {
     const secondsToWait = 10;
-    const maxNumberOfRetries = 12;
+    const maxNumberOfRetries = 24;
 
     e2eLogger.info(
         'Setting up E2E tests. In order to test search results, data will be prepared in LAPIS. ' +
@@ -98,6 +98,10 @@ async function checkLapisState(lapisClient: LapisClient): Promise<LapisStateBefo
 
     const numberOfSequencesInLapisResult = await lapisClient.call('aggregated', {});
 
+    if (numberOfSequencesInLapisResult.isErr() && numberOfSequencesInLapisResult.error.status === 503) {
+        return LapisStateBeforeTests.NoSequencesInLapis;
+    }
+
     if (numberOfSequencesInLapisResult._unsafeUnwrap().data[0].count === 0) {
         return LapisStateBeforeTests.NoSequencesInLapis;
     }