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/*
* Copyright (C) 2018 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.ContentValues;
import android.provider.CallLog.Calls;
import android.support.annotation.IntDef;
import com.android.dialer.calllog.database.contract.AnnotatedCallLogContract.AnnotatedCallLog;
import com.android.dialer.common.Assert;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.util.function.Predicate;
/** Constraints for columns in the {@link AnnotatedCallLog}. */
final class AnnotatedCallLogConstraints {
/** Type of operation the {@link ContentValues} to be checked is used for. */
@Retention(RetentionPolicy.SOURCE)
@IntDef({Operation.INSERT, Operation.UPDATE})
@interface Operation {
int INSERT = 1;
int UPDATE = 2;
}
private AnnotatedCallLogConstraints() {}
/**
* Checks if the given {@link ContentValues} meets the constraints defined in this class. An
* {@link IllegalArgumentException} will be thrown if it doesn't.
*/
public static void check(ContentValues contentValues, @Operation int operationType) {
checkBooleanColumn(AnnotatedCallLog.IS_READ, contentValues, operationType);
checkBooleanColumn(AnnotatedCallLog.NEW, contentValues, operationType);
checkBooleanColumn(AnnotatedCallLog.IS_VOICEMAIL_CALL, contentValues, operationType);
checkCallTypeColumn(contentValues, operationType);
}
/**
* Checks a boolean column.
*
* <p>Constraints: the value must be either 0 or 1 (SQLite database has no boolean type, so the
* value has to be an integer).
*/
private static void checkBooleanColumn(
String columnName, ContentValues contentValues, @Operation int operationType) {
checkColumn(
columnName,
contentValues,
operationType,
contentValuesToCheck -> {
Integer value = contentValuesToCheck.getAsInteger(columnName);
return value != null && (value == 0 || value == 1);
});
}
/**
* Checks column {@link AnnotatedCallLog#CALL_TYPE}.
*
* <p>Constraints: the value must be one of {@link android.provider.CallLog.Calls#TYPE}.
*/
private static void checkCallTypeColumn(
ContentValues contentValues, @Operation int operationType) {
checkColumn(
AnnotatedCallLog.CALL_TYPE,
contentValues,
operationType,
contentValuesToCheck -> {
Integer callType = contentValuesToCheck.getAsInteger(AnnotatedCallLog.CALL_TYPE);
return callType != null
&& (callType == Calls.INCOMING_TYPE
|| callType == Calls.OUTGOING_TYPE
|| callType == Calls.MISSED_TYPE
|| callType == Calls.VOICEMAIL_TYPE
|| callType == Calls.REJECTED_TYPE
|| callType == Calls.BLOCKED_TYPE
|| callType == Calls.ANSWERED_EXTERNALLY_TYPE);
});
}
private static void checkColumn(
String columnName,
ContentValues contentValues,
@Operation int operationType,
Predicate<ContentValues> predicate) {
switch (operationType) {
case Operation.UPDATE:
if (!contentValues.containsKey(columnName)) {
return;
}
// fall through
case Operation.INSERT:
Assert.checkArgument(
predicate.test(contentValues),
"Column %s contains invalid value: %s",
columnName,
contentValues.get(columnName));
return;
default:
throw Assert.createUnsupportedOperationFailException(
String.format("Unsupported operation: %s", operationType));
}
}
}
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