From 722760254f0f0239b9aa23e65416cfede2204884 Mon Sep 17 00:00:00 2001
From: Alex Ning <chineseperson5@gmail.com>
Date: Mon, 2 Aug 2021 17:34:44 +0800
Subject: Show error message in WikiActivity.

---
 .../infinityforreddit/activities/WikiActivity.java | 29 +++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'app/src/main/java')

diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WikiActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WikiActivity.java
index 492553dc..5da77551 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WikiActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/activities/WikiActivity.java
@@ -15,6 +15,8 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.Window;
 import android.view.WindowManager;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -23,6 +25,7 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import com.bumptech.glide.Glide;
 import com.google.android.material.appbar.AppBarLayout;
 import com.r0adkll.slidr.Slidr;
 import com.r0adkll.slidr.model.SlidrInterface;
@@ -77,6 +80,13 @@ public class WikiActivity extends BaseActivity {
     Toolbar toolbar;
     @BindView(R.id.content_markdown_view_comment_wiki_activity)
     RecyclerView markdownRecyclerView;
+    @BindView(R.id.fetch_wiki_linear_layout_wiki_activity)
+    LinearLayout mFetchWikiInfoLinearLayout;
+    @BindView(R.id.fetch_wiki_image_view_wiki_activity)
+    ImageView mFetchWikiInfoImageView;
+    @BindView(R.id.fetch_wiki_text_view_wiki_activity)
+    TextView mFetchWikiInfoTextView;
+
     @Inject
     @Named("no_oauth")
     Retrofit retrofit;
@@ -254,6 +264,9 @@ public class WikiActivity extends BaseActivity {
     }
 
     private void loadWiki() {
+        Glide.with(this).clear(mFetchWikiInfoImageView);
+        mFetchWikiInfoLinearLayout.setVisibility(View.GONE);
+
         retrofit.create(RedditAPI.class).getWiki(getIntent().getStringExtra(EXTRA_SUBREDDIT_NAME)).enqueue(new Callback<String>() {
             @Override
             public void onResponse(@NonNull Call<String> call, @NonNull Response<String> response) {
@@ -264,17 +277,30 @@ public class WikiActivity extends BaseActivity {
                         markwonAdapter.notifyDataSetChanged();
                     } catch (JSONException e) {
                         e.printStackTrace();
+                        showErrorView(R.string.error_loading_wiki);
+                    }
+                } else {
+                    if (response.code() == 404 || response.code() == 403) {
+                        showErrorView(R.string.no_wiki);
+                    } else {
+                        showErrorView(R.string.error_loading_wiki);
                     }
                 }
             }
 
             @Override
             public void onFailure(@NonNull Call<String> call, @NonNull Throwable t) {
-
+                showErrorView(R.string.error_loading_wiki);
             }
         });
     }
 
+    private void showErrorView(int stringResId) {
+        mFetchWikiInfoLinearLayout.setVisibility(View.VISIBLE);
+        mFetchWikiInfoTextView.setText(stringResId);
+        Glide.with(this).load(R.drawable.error_image).into(mFetchWikiInfoImageView);
+    }
+
     @Override
     public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         if (item.getItemId() == android.R.id.home) {
@@ -311,6 +337,7 @@ public class WikiActivity extends BaseActivity {
     protected void applyCustomTheme() {
         coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
         applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
+        mFetchWikiInfoTextView.setTextColor(mCustomThemeWrapper.getSecondaryTextColor());
     }
 
     @Subscribe
-- 
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