From 7a8eba922ad34182628f80cf2496d8654abe91e6 Mon Sep 17 00:00:00 2001
From: Zero~Informatique
Date: Sat, 12 Sep 2020 06:26:39 +0200
Subject: viewer: improved network errors handling

---
 viewer/src/store/galleryStore.ts | 15 +++++++++++----
 viewer/src/views/MainLayout.vue  |  4 ++--
 2 files changed, 13 insertions(+), 6 deletions(-)

(limited to 'viewer')

diff --git a/viewer/src/store/galleryStore.ts b/viewer/src/store/galleryStore.ts
index b672551..5d599aa 100644
--- a/viewer/src/store/galleryStore.ts
+++ b/viewer/src/store/galleryStore.ts
@@ -85,20 +85,22 @@ export default class GalleryStore extends VuexModule {
 
   // Fetches the gallery's JSON config
   @action async fetchConfig() {
-    return fetch(`${process.env.VUE_APP_DATA_URL}${GalleryStore.getUrlConfig()}`, { cache: "no-cache" })
-      .then(response => response.json())
+    await fetch(`${process.env.VUE_APP_DATA_URL}${GalleryStore.getUrlConfig()}`, { cache: "no-cache" })
+      .then(GalleryStore.responseToJson)
       .then(this.setConfig);
+    return this.config!;
   }
 
   // Fetches the gallery's JSON metadata
   @action async fetchGalleryItems() {
     const root = this.config?.galleryRoot ?? "";
     const index = this.config?.galleryIndex ?? "index.json";
-    return fetch(`${process.env.VUE_APP_DATA_URL}${root}${index}`, { cache: "no-cache" })
-      .then(response => response.json())
+    await fetch(`${process.env.VUE_APP_DATA_URL}${root}${index}`, { cache: "no-cache" })
+      .then(GalleryStore.responseToJson)
       .then(this.setGalleryIndex)
       .then(this.indexTags)
       .then(this.indexTagCategories);
+    return this.galleryIndex!;
   }
 
   // Indexes the gallery
@@ -128,4 +130,9 @@ export default class GalleryStore extends VuexModule {
     if (search.length > 1) return search.substr(1) + ".json";
     return "config.json";
   }
+
+  private static responseToJson(response: Response) {
+    if (!response.ok) throw new Error(`${response.status}: ${response.statusText}`);
+    return response.json();
+  }
 }
diff --git a/viewer/src/views/MainLayout.vue b/viewer/src/views/MainLayout.vue
index 21c9cb6..d9ae954 100644
--- a/viewer/src/views/MainLayout.vue
+++ b/viewer/src/views/MainLayout.vue
@@ -70,12 +70,12 @@ export default class MainLayout extends Vue {
   }
 
   get isReady() {
-    return !this.isLoading && this.$galleryStore.currentPath !== null;
+    return !this.isLoading && this.$galleryStore.config && this.$galleryStore.currentPath !== null;
   }
 
   displayError(reason: any) {
     this.$buefy.snackbar.open({
-      message: `Error ${reason}`,
+      message: `${reason}`,
       actionText: "Retry",
       position: "is-top",
       type: "is-danger",
-- 
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