Added attachment errors

app/src/main/java/eu/faircode/email/AdapterAttachment.java

@@ -133,8 +133,14 @@ public class AdapterAttachment extends RecyclerView.Adapter<AdapterAttachment.Vi
             progressbar.setVisibility(
                     attachment.progress == null || attachment.available ? View.GONE : View.VISIBLE);
 
-            tvDebug.setText(attachment.type + " " + attachment.disposition + " " + attachment.cid + " " + attachment.encryption);
-            tvDebug.setVisibility(debug ? View.VISIBLE : View.GONE);
+            if (debug)
+                tvDebug.setText(attachment.error +
+                        "\n" + attachment.type +
+                        " " + attachment.disposition +
+                        " " + attachment.cid + " " + attachment.encryption);
+            else if (attachment.error != null)
+                tvDebug.setText(attachment.error);
+            tvDebug.setVisibility(debug || attachment.error != null ? View.VISIBLE : View.GONE);
         }
 
         @Override

app/src/main/java/eu/faircode/email/DB.java

@@ -49,7 +49,7 @@ import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory;
 // https://developer.android.com/topic/libraries/architecture/room.html
 
 @Database(
-        version = 34,
+        version = 35,
         entities = {
                 EntityIdentity.class,
                 EntityAccount.class,
@@ -419,6 +419,13 @@ public abstract class DB extends RoomDatabase {
                         db.execSQL("ALTER TABLE `message` ADD COLUMN `raw` INTEGER");
                     }
                 })
+                .addMigrations(new Migration(34, 35) {
+                    @Override
+                    public void migrate(SupportSQLiteDatabase db) {
+                        Log.i("DB migration from version " + startVersion + " to " + endVersion);
+                        db.execSQL("ALTER TABLE `attachment` ADD COLUMN `error` TEXT");
+                    }
+                })
                 .build();
     }
 

app/src/main/java/eu/faircode/email/DaoAttachment.java

@@ -64,15 +64,20 @@ public interface DaoAttachment {
     void setMessage(long id, long message);
 
     @Query("UPDATE attachment" +
-            " SET progress = :progress, available = 0" +
+            " SET error = NULL, progress = :progress, available = 0" +
             " WHERE id = :id")
     void setProgress(long id, Integer progress);
 
     @Query("UPDATE attachment" +
-            " SET size = :size, progress = NULL, available = 1" +
+            " SET size = :size, error = NULL, progress = NULL, available = 1" +
             " WHERE id = :id")
     void setDownloaded(long id, Long size);
 
+    @Query("UPDATE attachment" +
+            " SET error = :error, progress = NULL, available = 0" +
+            " WHERE id = :id")
+    void setError(long id, String error);
+
     @Query("UPDATE attachment" +
             " SET cid = :cid" +
             " WHERE id = :id")

app/src/main/java/eu/faircode/email/EntityAttachment.java

@@ -69,6 +69,7 @@ public class EntityAttachment {
     public Integer progress;
     @NonNull
     public Boolean available = false;
+    public String error;
 
     boolean isInline() {
         return (disposition != null && disposition.equalsIgnoreCase(Part.INLINE));

app/src/main/java/eu/faircode/email/MessageHelper.java

@@ -633,7 +633,7 @@ public class MessageHelper {
             return result;
         }
 
-        void downloadAttachment(Context context, DB db, long id, int sequence) throws MessagingException, IOException {
+        void downloadAttachment(Context context, DB db, long id, int sequence) throws IOException {
             // Attachments of drafts might not have been uploaded yet
             if (sequence > attachments.size()) {
                 Log.w("Attachment unavailable sequence=" + sequence + " size=" + attachments.size());
@@ -642,7 +642,6 @@ public class MessageHelper {
 
             // Get data
             AttachmentPart apart = attachments.get(sequence - 1);
-            long total = apart.part.getSize();
             File file = EntityAttachment.getFile(context, id);
 
             // Download attachment
@@ -654,6 +653,7 @@ public class MessageHelper {
                 os = new BufferedOutputStream(new FileOutputStream(file));
 
                 long size = 0;
+                long total = apart.part.getSize();
                 byte[] buffer = new byte[ATTACHMENT_BUFFER_SIZE];
                 for (int len = is.read(buffer); len != -1; len = is.read(buffer)) {
                     size += len;
@@ -668,10 +668,10 @@ public class MessageHelper {
                 db.attachment().setDownloaded(id, size);
 
                 Log.i("Downloaded attachment size=" + size);
-            } catch (IOException ex) {
+            } catch (Throwable ex) {
+                Log.w(ex);
                 // Reset progress on failure
-                db.attachment().setProgress(id, null);
-                throw ex;
+                db.attachment().setError(id, Helper.formatThrowable(ex));
             } finally {
                 if (os != null)
                     os.close();