From 34ebd35fc083961f64876a5e2db356bbe2a29e6f Mon Sep 17 00:00:00 2001
From: Grishka <git@grishka.me>
Date: Fri, 15 Apr 2022 17:12:12 +0300
Subject: [PATCH] Make instance catalog work if joinmastodon.org is unavailable

---
 .../onboarding/InstanceCatalogFragment.java   | 26 +++++++++++++------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/mastodon/src/main/java/org/joinmastodon/android/fragments/onboarding/InstanceCatalogFragment.java b/mastodon/src/main/java/org/joinmastodon/android/fragments/onboarding/InstanceCatalogFragment.java
index c5a24b7e..10aa1605 100644
--- a/mastodon/src/main/java/org/joinmastodon/android/fragments/onboarding/InstanceCatalogFragment.java
+++ b/mastodon/src/main/java/org/joinmastodon/android/fragments/onboarding/InstanceCatalogFragment.java
@@ -142,7 +142,8 @@ public class InstanceCatalogFragment extends BaseRecyclerFragment<CatalogInstanc
 
 					@Override
 					public void onError(ErrorResponse error){
-						InstanceCatalogFragment.this.onError(error);
+						error.showToast(getActivity());
+						onDataLoaded(Collections.emptyList(), false);
 					}
 				})
 				.execNoAuth("");
@@ -155,24 +156,33 @@ public class InstanceCatalogFragment extends BaseRecyclerFragment<CatalogInstanc
 						all.category="all";
 						categories.add(all);
 						result.stream().sorted(Comparator.comparingInt((CatalogCategory cc)->cc.serversCount).reversed()).forEach(categories::add);
-						for(CatalogCategory cat:categories){
-							int titleRes=getTitleForCategory(cat.category);
-							TabLayout.Tab tab=categoriesList.newTab().setText(titleRes!=0 ? getString(titleRes) : cat.category).setCustomView(R.layout.item_instance_category);
-							ImageView emoji=tab.getCustomView().findViewById(R.id.emoji);
-							emoji.setImageResource(getEmojiForCategory(cat.category));
-							categoriesList.addTab(tab);
-						}
+						updateCategories();
 					}
 
 					@Override
 					public void onError(ErrorResponse error){
 						getCategoriesRequest=null;
 						error.showToast(getActivity());
+						CatalogCategory all=new CatalogCategory();
+						all.category="all";
+						categories.add(all);
+						updateCategories();
 					}
 				})
 				.execNoAuth("");
 	}
 
+	private void updateCategories(){
+		categoriesList.removeAllTabs();
+		for(CatalogCategory cat:categories){
+			int titleRes=getTitleForCategory(cat.category);
+			TabLayout.Tab tab=categoriesList.newTab().setText(titleRes!=0 ? getString(titleRes) : cat.category).setCustomView(R.layout.item_instance_category);
+			ImageView emoji=tab.getCustomView().findViewById(R.id.emoji);
+			emoji.setImageResource(getEmojiForCategory(cat.category));
+			categoriesList.addTab(tab);
+		}
+	}
+
 	@Override
 	public void onDestroy(){
 		super.onDestroy();