From fd3b07cafbbf09bba8e210d0442924d4634da85c Mon Sep 17 00:00:00 2001
From: Herbert Reiter <46045854+damoasda@users.noreply.github.com>
Date: Tue, 5 Jan 2021 16:32:15 +0100
Subject: Use any image for local folders

---
 .../antennapod/core/feed/LocalFeedUpdater.java     | 55 +++++++++++++++-------
 1 file changed, 39 insertions(+), 16 deletions(-)

(limited to 'core/src/main/java/de')

diff --git a/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java b/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java
index 4e59fd750..7eb6618b5 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/feed/LocalFeedUpdater.java
@@ -6,15 +6,13 @@ import android.media.MediaMetadataRetriever;
 import android.net.Uri;
 import android.text.TextUtils;
 
+import androidx.annotation.NonNull;
 import androidx.documentfile.provider.DocumentFile;
 
-import org.apache.commons.lang3.StringUtils;
-
 import java.io.IOException;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.Date;
 import java.util.HashSet;
@@ -34,6 +32,8 @@ import de.danoeh.antennapod.core.util.DownloadError;
 
 public class LocalFeedUpdater {
 
+    static final String[] PREFERRED_FEED_IMAGE_FILENAMES = { "folder.jpg", "Folder.jpg", "folder.png", "Folder.png" };
+
     public static void updateFeed(Feed feed, Context context) {
         try {
             tryUpdateFeed(feed, context);
@@ -97,18 +97,7 @@ public class LocalFeedUpdater {
             }
         }
 
-        List<String> iconLocations = Arrays.asList("folder.jpg", "Folder.jpg", "folder.png", "Folder.png");
-        for (String iconLocation : iconLocations) {
-            DocumentFile image = documentFolder.findFile(iconLocation);
-            if (image != null) {
-                feed.setImageUrl(image.getUri().toString());
-                break;
-            }
-        }
-        if (StringUtils.isBlank(feed.getImageUrl())) {
-            // set default feed image
-            feed.setImageUrl(getDefaultIconUrl(context));
-        }
+        feed.setImageUrl(getImageUrl(context, documentFolder));
 
         feed.getPreferences().setAutoDownload(false);
         feed.getPreferences().setAutoDeleteAction(FeedPreferences.AutoDeleteAction.NO);
@@ -122,6 +111,40 @@ public class LocalFeedUpdater {
         DBTasks.updateFeed(context, feed, removeUnlistedItems);
     }
 
+    /**
+     * Returns the image URL for the local feed.
+     */
+    @NonNull
+    static String getImageUrl(@NonNull Context context, @NonNull DocumentFile documentFolder) {
+        String imageUrl = null;
+
+        // look for special file names
+        for (String iconLocation : PREFERRED_FEED_IMAGE_FILENAMES) {
+            DocumentFile image = documentFolder.findFile(iconLocation);
+            if (image != null) {
+                imageUrl = image.getUri().toString();
+                break;
+            }
+        }
+
+        // use the first image in the folder if existing
+        if (imageUrl == null) {
+            for (DocumentFile file : documentFolder.listFiles()) {
+                String mime = file.getType();
+                if (mime != null && (mime.startsWith("image/jpeg") || mime.startsWith("image/png"))) {
+                    imageUrl = file.getUri().toString();
+                    break;
+                }
+            }
+        }
+
+        // use default icon as fallback
+        if (imageUrl == null) {
+            imageUrl = getDefaultIconUrl(context);
+        }
+        return imageUrl;
+    }
+
     /**
      * Returns the URL of the default icon for a local feed. The URL refers to an app resource file.
      */
@@ -161,7 +184,7 @@ public class LocalFeedUpdater {
         return item;
     }
 
-    private static void loadMetadata(FeedItem item, DocumentFile file, Context context) throws Exception {
+    private static void loadMetadata(FeedItem item, DocumentFile file, Context context) {
         MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
         mediaMetadataRetriever.setDataSource(context, file.getUri());
 
-- 
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