1 files changed, 105 insertions, 0 deletions
diff --git a/java/com/android/dialer/calllog/database/MutationApplier.java b/java/com/android/dialer/calllog/database/MutationApplier.java
new file mode 100644
index 000000000..21c8a507d
--- /dev/null
+++ b/java/com/android/dialer/calllog/database/MutationApplier.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+package com.android.dialer.calllog.database;
+
+import android.content.ContentProviderOperation;
+import android.content.ContentUris;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.OperationApplicationException;
+import android.os.RemoteException;
+import android.support.annotation.WorkerThread;
+import android.text.TextUtils;
+import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract;
+import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog;
+import com.android.dialer.calllog.datasources.CallLogMutations;
+import com.android.dialer.common.Assert;
+import com.android.dialer.common.LogUtil;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Map.Entry;
+import javax.inject.Inject;
+
+/** Applies {@link CallLogMutations} to the annotated call log. */
+public class MutationApplier {
+
+  @Inject
+  MutationApplier() {}
+
+  /** Applies the provided {@link CallLogMutations} to the annotated call log. */
+  @WorkerThread
+  public void applyToDatabase(CallLogMutations mutations, Context appContext)
+      throws RemoteException, OperationApplicationException {
+    Assert.isWorkerThread();
+
+    if (mutations.isEmpty()) {
+      return;
+    }
+
+    ArrayList<ContentProviderOperation> operations = new ArrayList<>();
+
+    if (!mutations.getInserts().isEmpty()) {
+      LogUtil.i(
+          "CallLogMutations.applyToDatabase", "inserting %d rows", mutations.getInserts().size());
+      for (Entry<Long, ContentValues> entry : mutations.getInserts().entrySet()) {
+        long id = entry.getKey();
+        ContentValues contentValues = entry.getValue();
+        operations.add(
+            ContentProviderOperation.newInsert(
+                    ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id))
+                .withValues(contentValues)
+                .build());
+      }
+    }
+
+    if (!mutations.getUpdates().isEmpty()) {
+      LogUtil.i(
+          "CallLogMutations.applyToDatabase", "updating %d rows", mutations.getUpdates().size());
+      for (Entry<Long, ContentValues> entry : mutations.getUpdates().entrySet()) {
+        long id = entry.getKey();
+        ContentValues contentValues = entry.getValue();
+        operations.add(
+            ContentProviderOperation.newUpdate(
+                    ContentUris.withAppendedId(AnnotatedCallLog.CONTENT_URI, id))
+                .withValues(contentValues)
+                .build());
+      }
+    }
+
+    if (!mutations.getDeletes().isEmpty()) {
+      LogUtil.i(
+          "CallLogMutations.applyToDatabase", "deleting %d rows", mutations.getDeletes().size());
+      String[] questionMarks = new String[mutations.getDeletes().size()];
+      Arrays.fill(questionMarks, "?");
+
+      String whereClause =
+          (AnnotatedCallLog._ID + " in (") + TextUtils.join(",", questionMarks) + ")";
+
+      String[] whereArgs = new String[mutations.getDeletes().size()];
+      int i = 0;
+      for (long id : mutations.getDeletes()) {
+        whereArgs[i++] = String.valueOf(id);
+      }
+
+      operations.add(
+          ContentProviderOperation.newDelete(AnnotatedCallLog.CONTENT_URI)
+              .withSelection(whereClause, whereArgs)
+              .build());
+    }
+
+    appContext.getContentResolver().applyBatch(AnnotatedCallLogContract.AUTHORITY, operations);
+  }
+}