Home | History | Annotate | Download | only in database 
      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License
     15  */
     16 package com.android.dialer.calllog.database;
     17 
     18 import android.content.ContentProviderOperation;
     19 import android.content.ContentUris;
     20 import android.content.ContentValues;
     21 import android.content.Context;
     22 import android.content.OperationApplicationException;
     23 import android.os.RemoteException;
     24 import android.support.annotation.WorkerThread;
     25 import android.text.TextUtils;
     26 import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract;
     27 import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog;
     28 import com.android.dialer.calllog.datasources.CallLogMutations;
     29 import com.android.dialer.common.Assert;
     30 import com.android.dialer.common.LogUtil;
     31 import java.util.ArrayList;
     32 import java.util.Arrays;
     33 import java.util.Map.Entry;
     34 import javax.inject.Inject;
     35 
     36 /** Applies {@link CallLogMutations} to the annotated call log. */
     37 public class MutationApplier {
     38 
     39   @Inject
     40   MutationApplier() {}
     41 
     42   /** Applies the provided {@link CallLogMutations} to the annotated call log. */
     43   @WorkerThread
     44   public void applyToDatabase(CallLogMutations mutations, Context appContext)
     45       throws RemoteException, OperationApplicationException {
     46     Assert.isWorkerThread();
     47 
     48     if (mutations.isEmpty()) {
     49       return;
     50     }
     51 
     52     ArrayList<ContentProviderOperation> operations = new ArrayList<>();
     53 
     54     if (!mutations.getInserts().isEmpty()) {
     55       LogUtil.i(
     56           "CallLogMutations.applyToDatabase", "inserting %d rows", mutations.getInserts().size());
     57       for (Entry<Long, ContentValues> entry : mutations.getInserts().entrySet()) {
     58         long id = entry.getKey();
     59         ContentValues contentValues = entry.getValue();
     60         operations.add(
     61             ContentProviderOperation.newInsert(
     62                     ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id))
     63                 .withValues(contentValues)
     64                 .build());
     65       }
     66     }
     67 
     68     if (!mutations.getUpdates().isEmpty()) {
     69       LogUtil.i(
     70           "CallLogMutations.applyToDatabase", "updating %d rows", mutations.getUpdates().size());
     71       for (Entry<Long, ContentValues> entry : mutations.getUpdates().entrySet()) {
     72         long id = entry.getKey();
     73         ContentValues contentValues = entry.getValue();
     74         operations.add(
     75             ContentProviderOperation.newUpdate(
     76                     ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id))
     77                 .withValues(contentValues)
     78                 .build());
     79       }
     80     }
     81 
     82     if (!mutations.getDeletes().isEmpty()) {
     83       LogUtil.i(
     84           "CallLogMutations.applyToDatabase", "deleting %d rows", mutations.getDeletes().size());
     85       String[] questionMarks = new String[mutations.getDeletes().size()];
     86       Arrays.fill(questionMarks, "?");
     87 
     88       String whereClause =
     89           (AnnotatedCallLog._ID + " in (") + TextUtils.join(",", questionMarks) + ")";
     90 
     91       String[] whereArgs = new String[mutations.getDeletes().size()];
     92       int i = 0;
     93       for (long id : mutations.getDeletes()) {
     94         whereArgs[i++] = String.valueOf(id);
     95       }
     96 
     97       operations.add(
     98           ContentProviderOperation.newDelete(AnnotatedCallLog.CONTENT_URI)
     99               .withSelection(whereClause, whereArgs)
    100               .build());
    101     }
    102 
    103     appContext.getContentResolver().applyBatch(AnnotatedCallLogContract.AUTHORITY, operations);
    104   }
    105 }
    106