From 34fcdda53fa8ae1174909b62860534d2d874eb72 Mon Sep 17 00:00:00 2001
From: steckbrief <steckbrief@chefmail.de>
Date: Thu, 29 Sep 2016 11:57:16 +0200
Subject: Implements FS#235: Deletion of remote files uploaded via httpupload

---
 .../conversationsplus/persistance/FileBackend.java | 81 ++++++++++++++--------
 1 file changed, 54 insertions(+), 27 deletions(-)

(limited to 'src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java')

diff --git a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java
index e5597c3c..a35ed043 100644
--- a/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java
+++ b/src/main/java/de/thedevstack/conversationsplus/persistance/FileBackend.java
@@ -20,6 +20,7 @@ import java.util.Locale;
 import de.thedevstack.android.logcat.Logging;
 import de.thedevstack.conversationsplus.ConversationsPlusApplication;
 import de.thedevstack.conversationsplus.ConversationsPlusPreferences;
+import de.thedevstack.conversationsplus.entities.FileParams;
 import de.thedevstack.conversationsplus.exceptions.FileCopyException;
 import de.thedevstack.conversationsplus.persistance.observers.FileDeletionObserver;
 import de.thedevstack.conversationsplus.utils.StreamUtil;
@@ -106,31 +107,55 @@ public class FileBackend {
 	}
 
 	public static DownloadableFile getFile(Message message, boolean decrypted) {
-		final boolean encrypted = !decrypted
-				&& (message.getEncryption() == Message.ENCRYPTION_PGP
-				|| message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
-		final DownloadableFile file;
-		String path = message.getRelativeFilePath();
-		if (path == null) {
-			path = message.getUuid();
-		}
-		if (path.startsWith("/")) {
-			file = new DownloadableFile(path);
-		} else {
-			String mime = message.getMimeType();
-			if (mime != null && mime.startsWith("image")) {
-				file = new DownloadableFile(getConversationsImageDirectory() + path);
-			} else {
-				file = new DownloadableFile(getConversationsFileDirectory() + path);
-			}
-		}
-		if (encrypted) {
-			return new DownloadableFile(getConversationsFileDirectory() + file.getName() + ".pgp");
-		} else {
-			return file;
-		}
+		return new DownloadableFile(getFilePath(message, decrypted));
 	}
 
+    protected static String getFilePath(Message message, String extension) {
+        String path = FileBackend.getFilePath(message, true);
+        if (!path.endsWith(extension)) {
+            path += "." + extension;
+        }
+
+        return path;
+    }
+
+    protected static String getFilePath(Message message, Uri uri) {
+        String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri);
+        String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
+
+        return getFilePath(message, extension);
+    }
+
+    protected static String getFilePath(Message message, boolean decrypted) {
+        final boolean encrypted = !decrypted
+                && (message.getEncryption() == Message.ENCRYPTION_PGP
+                || message.getEncryption() == Message.ENCRYPTION_DECRYPTED);
+        FileParams fileParams = message.getFileParams();
+        if (null == fileParams) {
+            fileParams = new FileParams();
+            message.setFileParams(fileParams);
+        }
+        String path = fileParams.getPath();
+
+        if (null == path) { // File does not yet exist
+            path = message.getUuid();
+            String mime = message.getMimeType();
+            if (mime != null && mime.startsWith("image")) { // TODO: Check if this can be determined in a better way
+                path = getConversationsImageDirectory() + path;
+            } else {
+                path = getConversationsFileDirectory() + path;
+            }
+            String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
+            path += "." + extension;
+
+            fileParams.setPath(path);
+        }
+        if (encrypted) {
+            path += ".pgp";
+        }
+        return path;
+    }
+
 	public static String getConversationsFileDirectory() {
 		return  Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator + ConversationsPlusPreferences.fileTransferFolder() + File.separator;
 	}
@@ -175,14 +200,16 @@ public class FileBackend {
 
 	public static void copyFileToPrivateStorage(Message message, Uri uri) throws FileCopyException {
 		Log.d(Config.LOGTAG, "copy " + uri.toString() + " to private storage");
-		String mime = ConversationsPlusApplication.getInstance().getContentResolver().getType(uri);
-		String extension = MimeTypeMap.getSingleton().getExtensionFromMimeType(mime);
-		message.setRelativeFilePath(message.getUuid() + "." + extension);
+        String path = getFilePath(message, uri);
+        message.getFileParams().setPath(path);
+        message.setRelativeFilePath(path); // TODO: Remove
 		copyFileToPrivateStorage(getFile(message), uri);
 	}
 
     public static DownloadableFile compressImageAndCopyToPrivateStorage(Message message, Bitmap scaledBitmap) throws FileCopyException {
-        message.setRelativeFilePath(FileBackend.getPrivateImageDirectoryPath() + message.getUuid() + ".jpg");
+        String path = getFilePath(message, "jpg");
+        message.getFileParams().setPath(path);
+        message.setRelativeFilePath(path); // TODO: Remove
         DownloadableFile file = getFile(message);
         file.getParentFile().mkdirs();
         OutputStream os = null;
-- 
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