Initial checkin of AOSP Messaging app.
b/23110861 Change-Id: I11db999bd10656801e618f78ab2b2ef74136fff1
This commit is contained in:
Mike Dodd
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/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.messaging.datamodel.action;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.text.TextUtils;
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import com.android.messaging.Factory;
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import com.android.messaging.datamodel.BugleDatabaseOperations;
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import com.android.messaging.datamodel.BugleNotifications;
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import com.android.messaging.datamodel.DataModel;
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import com.android.messaging.datamodel.DataModelException;
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import com.android.messaging.datamodel.DatabaseHelper;
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import com.android.messaging.datamodel.DatabaseHelper.MessageColumns;
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import com.android.messaging.datamodel.DatabaseWrapper;
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import com.android.messaging.datamodel.MessagingContentProvider;
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import com.android.messaging.sms.MmsUtils;
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import com.android.messaging.util.Assert;
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import com.android.messaging.util.LogUtil;
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import com.android.messaging.widget.WidgetConversationProvider;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Action used to delete a conversation.
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*/
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public class DeleteConversationAction extends Action implements Parcelable {
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private static final String TAG = LogUtil.BUGLE_DATAMODEL_TAG;
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public static void deleteConversation(final String conversationId, final long cutoffTimestamp) {
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final DeleteConversationAction action = new DeleteConversationAction(conversationId,
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cutoffTimestamp);
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action.start();
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}
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private static final String KEY_CONVERSATION_ID = "conversation_id";
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private static final String KEY_CUTOFF_TIMESTAMP = "cutoff_timestamp";
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private DeleteConversationAction(final String conversationId, final long cutoffTimestamp) {
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super();
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actionParameters.putString(KEY_CONVERSATION_ID, conversationId);
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// TODO: Should we set cuttoff timestamp to prevent us deleting new messages?
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actionParameters.putLong(KEY_CUTOFF_TIMESTAMP, cutoffTimestamp);
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}
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// Delete conversation from both the local DB and telephony in the background so sync cannot
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// run concurrently and incorrectly try to recreate the conversation's messages locally. The
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// telephony database can sometimes be quite slow to delete conversations, so we delete from
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// the local DB first, notify the UI, and then delete from telephony.
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@Override
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protected Bundle doBackgroundWork() throws DataModelException {
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final DatabaseWrapper db = DataModel.get().getDatabase();
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final String conversationId = actionParameters.getString(KEY_CONVERSATION_ID);
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final long cutoffTimestamp = actionParameters.getLong(KEY_CUTOFF_TIMESTAMP);
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if (!TextUtils.isEmpty(conversationId)) {
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// First find the thread id for this conversation.
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final long threadId = BugleDatabaseOperations.getThreadId(db, conversationId);
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if (BugleDatabaseOperations.deleteConversation(db, conversationId, cutoffTimestamp)) {
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LogUtil.i(TAG, "DeleteConversationAction: Deleted local conversation "
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+ conversationId);
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BugleActionToasts.onConversationDeleted();
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// Remove notifications if necessary
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BugleNotifications.update(true /* silent */, null /* conversationId */,
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BugleNotifications.UPDATE_MESSAGES);
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// We have changed the conversation list
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MessagingContentProvider.notifyConversationListChanged();
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// Notify the widget the conversation is deleted so it can go into its configure state.
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WidgetConversationProvider.notifyConversationDeleted(
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Factory.get().getApplicationContext(),
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conversationId);
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} else {
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LogUtil.w(TAG, "DeleteConversationAction: Could not delete local conversation "
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+ conversationId);
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return null;
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}
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// Now delete from telephony DB. MmsSmsProvider throws an exception if the thread id is
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// less than 0. If it's greater than zero, it will delete all messages with that thread
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// id, even if there's no corresponding row in the threads table.
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if (threadId >= 0) {
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final int count = MmsUtils.deleteThread(threadId, cutoffTimestamp);
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if (count > 0) {
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LogUtil.i(TAG, "DeleteConversationAction: Deleted telephony thread "
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+ threadId + " (cutoffTimestamp = " + cutoffTimestamp + ")");
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} else {
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LogUtil.w(TAG, "DeleteConversationAction: Could not delete thread from "
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+ "telephony: conversationId = " + conversationId + ", thread id = "
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+ threadId);
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}
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} else {
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LogUtil.w(TAG, "DeleteConversationAction: Local conversation " + conversationId
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+ " has an invalid telephony thread id; will delete messages individually");
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deleteConversationMessagesFromTelephony();
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}
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} else {
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LogUtil.e(TAG, "DeleteConversationAction: conversationId is empty");
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}
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return null;
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}
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/**
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* Deletes all the telephony messages for the local conversation being deleted.
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* <p>
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* This is a fallback used when the conversation is not associated with any telephony thread,
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* or its thread id is invalid (e.g. negative). This is not common, but can happen sometimes
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* (e.g. the Unknown Sender conversation). In the usual case of deleting a conversation, we
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* don't need this because the telephony provider automatically deletes messages when a thread
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* is deleted.
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*/
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private void deleteConversationMessagesFromTelephony() {
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final DatabaseWrapper db = DataModel.get().getDatabase();
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final String conversationId = actionParameters.getString(KEY_CONVERSATION_ID);
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Assert.notNull(conversationId);
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final List<Uri> messageUris = new ArrayList<>();
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Cursor cursor = null;
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try {
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cursor = db.query(DatabaseHelper.MESSAGES_TABLE,
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new String[] { MessageColumns.SMS_MESSAGE_URI },
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MessageColumns.CONVERSATION_ID + "=?",
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new String[] { conversationId },
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null, null, null);
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while (cursor.moveToNext()) {
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String messageUri = cursor.getString(0);
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try {
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messageUris.add(Uri.parse(messageUri));
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} catch (Exception e) {
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LogUtil.e(TAG, "DeleteConversationAction: Could not parse message uri "
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+ messageUri);
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}
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}
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} finally {
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if (cursor != null) {
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cursor.close();
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}
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}
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for (Uri messageUri : messageUris) {
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int count = MmsUtils.deleteMessage(messageUri);
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if (count > 0) {
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if (LogUtil.isLoggable(TAG, LogUtil.DEBUG)) {
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LogUtil.d(TAG, "DeleteConversationAction: Deleted telephony message "
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+ messageUri);
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}
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} else {
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LogUtil.w(TAG, "DeleteConversationAction: Could not delete telephony message "
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+ messageUri);
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}
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}
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}
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@Override
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protected Object executeAction() {
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requestBackgroundWork();
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return null;
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}
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private DeleteConversationAction(final Parcel in) {
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super(in);
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}
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public static final Parcelable.Creator<DeleteConversationAction> CREATOR
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= new Parcelable.Creator<DeleteConversationAction>() {
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@Override
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public DeleteConversationAction createFromParcel(final Parcel in) {
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return new DeleteConversationAction(in);
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}
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@Override
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public DeleteConversationAction[] newArray(final int size) {
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return new DeleteConversationAction[size];
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}
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};
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@Override
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public void writeToParcel(final Parcel parcel, final int flags) {
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writeActionToParcel(parcel, flags);
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}
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}
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