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Code Issues Releases Wiki Activity

Export messages (concept)

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This commit is contained in:
M66B 2021-04-16 08:50:32 +02:00
parent aeeeb98e86
commit 72635b3b49
3 changed files with 130 additions and 0 deletions
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28
app/src/main/java/eu/faircode/email/AdapterFolder.java
View file

@ -68,8 +68,10 @@ import androidx.recyclerview.widget.RecyclerView;
import com.google.android.material.snackbar.Snackbar;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@ -555,6 +557,9 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
popupMenu.getMenu().add(Menu.NONE, R.string.title_execute_rules, order++, R.string.title_execute_rules);
}
if (folder.accountProtocol == EntityAccount.TYPE_POP || debug)
popupMenu.getMenu().add(Menu.NONE, R.string.title_export_messages, order++, R.string.title_export_messages);
int childs = 0;
if (folder.child_refs != null)
for (TupleFolderEx child : folder.child_refs)
@ -632,6 +637,9 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
} else if (itemId == R.string.title_execute_rules) {
onActionExecuteRules();
return true;
} else if (itemId == R.string.title_export_messages) {
onActionExportMessages();
return true;
} else if (itemId == R.string.title_edit_properties) {
onActionEditProperties();
return true;
@ -933,6 +941,26 @@ public class AdapterFolder extends RecyclerView.Adapter<AdapterFolder.ViewHolder
ask.show(parentFragment.getParentFragmentManager(), "folder:execute");
}
private void onActionExportMessages() {
Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("*/*");
intent.putExtra(Intent.EXTRA_TITLE, "fairemail_" +
new SimpleDateFormat("yyyyMMdd").format(new Date().getTime()) + ".mbox");
Helper.openAdvanced(intent);
if (intent.resolveActivity(context.getPackageManager()) == null) { // // system/GET_CONTENT whitelisted
ToastEx.makeText(context, R.string.title_no_saf, Toast.LENGTH_LONG).show();
return;
}
parentFragment.getArguments().putLong("selected_folder", folder.id);
parentFragment.startActivityForResult(
Helper.getChooser(context, intent),
FragmentFolders.REQUEST_EXPORT_MESSAGES);
}
private void onActionEditProperties() {
LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(context);
lbm.sendBroadcast(

101
app/src/main/java/eu/faircode/email/FragmentFolders.java
View file

@ -20,12 +20,14 @@ package eu.faircode.email;
*/
import android.app.Dialog;
import android.content.ContentResolver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.graphics.Rect;
import android.net.Uri;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.LayoutInflater;
@ -59,13 +61,22 @@ import com.google.android.material.snackbar.Snackbar;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedOutputStream;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import static android.app.Activity.RESULT_OK;
@ -100,6 +111,7 @@ public class FragmentFolders extends FragmentBase {
static final int REQUEST_EMPTY_FOLDER = 2;
static final int REQUEST_DELETE_FOLDER = 3;
static final int REQUEST_EXECUTE_RULES = 4;
static final int REQUEST_EXPORT_MESSAGES = 5;
@Override
public void onCreate(Bundle savedInstanceState) {
@ -603,6 +615,10 @@ public class FragmentFolders extends FragmentBase {
if (resultCode == RESULT_OK && data != null)
onExecuteRules(data.getBundleExtra("args"));
break;
case REQUEST_EXPORT_MESSAGES:
if (resultCode == RESULT_OK && data != null)
onExportMessages(data.getData());
break;
}
} catch (Throwable ex) {
Log.e(ex);
@ -833,6 +849,91 @@ public class FragmentFolders extends FragmentBase {
}.execute(this, args, "folder:rules");
}
private void onExportMessages(Uri uri) {
long id = getArguments().getLong("selected_folder", -1L);
Bundle args = new Bundle();
args.putLong("id", id);
args.putParcelable("uri", uri);
new SimpleTask<Void>() {
@Override
protected void onPreExecute(Bundle args) {
ToastEx.makeText(getContext(), R.string.title_executing, Toast.LENGTH_LONG).show();
}
@Override
protected void onPostExecute(Bundle args) {
ToastEx.makeText(getContext(), R.string.title_completed, Toast.LENGTH_LONG).show();
}
@Override
protected Void onExecute(Context context, Bundle args) throws Throwable {
long fid = args.getLong("id");
Uri uri = args.getParcelable("uri");
if (!"content".equals(uri.getScheme())) {
Log.w("Export uri=" + uri);
throw new IllegalArgumentException(context.getString(R.string.title_no_stream));
}
DB db = DB.getInstance(context);
List<Long> ids = db.message().getMessageIdsByFolder(fid);
if (ids == null)
return null;
String PATTERN_ASCTIME = "EEE MMM d HH:mm:ss yyyy";
SimpleDateFormat df = new SimpleDateFormat(PATTERN_ASCTIME, Locale.US);
Properties props = MessageHelper.getSessionProperties();
Session isession = Session.getInstance(props, null);
// https://www.ietf.org/rfc/rfc4155.txt
// http://qmail.org./man/man5/mbox.html
ContentResolver resolver = context.getContentResolver();
try (OutputStream out = new BufferedOutputStream(resolver.openOutputStream(uri))) {
for (long id : ids) {
EntityMessage message = db.message().getMessage(id);
if (message == null)
continue;
String email = null;
if (message.from != null && message.from.length > 0)
email = ((InternetAddress) message.from[0]).getAddress();
if (TextUtils.isEmpty(email))
email = "MAILER-DAEMON";
out.write(("From " + email + " " + df.format(message.received) + "\n").getBytes());
Message imessage = MessageHelper.from(context, message, null, isession, false);
imessage.writeTo(new FilterOutputStream(out) {
@Override
public void write(int b) throws IOException {
super.write(b);
}
@Override
public void flush() throws IOException {
super.flush();
}
});
out.write("\n".getBytes());
}
}
return null;
}
@Override
protected void onException(Bundle args, Throwable ex) {
Log.unexpectedError(getParentFragmentManager(), ex);
}
}.execute(this, args, "folder:export");
}
public static class FragmentDialogApply extends FragmentDialogBase {
@NonNull
@Override

1
app/src/main/res/values/strings.xml
View file

@ -788,6 +788,7 @@
<string name="title_edit_properties">Edit properties</string>
<string name="title_edit_rules">Edit rules</string>
<string name="title_execute_rules">Execute rules</string>
<string name="title_export_messages">Export messages</string>
<string name="title_create_channel">Create notification channel</string>
<string name="title_edit_channel">Edit notification channel</string>
<string name="title_delete_channel">Delete notification channel</string>