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/*
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* Copyright 2020 Google LLC
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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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#import "GoogleDataTransport/GDTCORLibrary/Private/GDTCORFlatFileStorage+Promises.h"
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#if __has_include(<FBLPromises/FBLPromises.h>)
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#import <FBLPromises/FBLPromises.h>
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#else
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#import "FBLPromises.h"
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#endif
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#import "GoogleDataTransport/GDTCORLibrary/Private/GDTCORUploadBatch.h"
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@implementation GDTCORFlatFileStorage (Promises)
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- (FBLPromise<NSSet<NSNumber *> *> *)batchIDsForTarget:(GDTCORTarget)target {
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return [FBLPromise onQueue:self.storageQueue
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wrapObjectCompletion:^(FBLPromiseObjectCompletion _Nonnull handler) {
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[self batchIDsForTarget:target onComplete:handler];
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}];
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}
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- (FBLPromise<NSNull *> *)removeBatchWithID:(NSNumber *)batchID deleteEvents:(BOOL)deleteEvents {
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return [FBLPromise onQueue:self.storageQueue
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wrapCompletion:^(FBLPromiseCompletion _Nonnull handler) {
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[self removeBatchWithID:batchID deleteEvents:deleteEvents onComplete:handler];
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}];
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}
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- (FBLPromise<NSNull *> *)removeBatchesWithIDs:(NSSet<NSNumber *> *)batchIDs
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deleteEvents:(BOOL)deleteEvents {
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NSMutableArray<FBLPromise *> *removeBatchPromises =
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[NSMutableArray arrayWithCapacity:batchIDs.count];
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for (NSNumber *batchID in batchIDs) {
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[removeBatchPromises addObject:[self removeBatchWithID:batchID deleteEvents:deleteEvents]];
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}
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return [FBLPromise onQueue:self.storageQueue all:[removeBatchPromises copy]].thenOn(
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self.storageQueue, ^id(id result) {
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return [FBLPromise resolvedWith:[NSNull null]];
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});
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}
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- (FBLPromise<NSNull *> *)removeAllBatchesForTarget:(GDTCORTarget)target
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deleteEvents:(BOOL)deleteEvents {
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return
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[self batchIDsForTarget:target].thenOn(self.storageQueue, ^id(NSSet<NSNumber *> *batchIDs) {
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if (batchIDs.count == 0) {
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return [FBLPromise resolvedWith:[NSNull null]];
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} else {
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return [self removeBatchesWithIDs:batchIDs deleteEvents:NO];
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}
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});
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}
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- (FBLPromise<NSNumber *> *)hasEventsForTarget:(GDTCORTarget)target {
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return [FBLPromise onQueue:self.storageQueue
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wrapBoolCompletion:^(FBLPromiseBoolCompletion _Nonnull handler) {
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[self hasEventsForTarget:target onComplete:handler];
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}];
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}
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- (FBLPromise<GDTCORUploadBatch *> *)batchWithEventSelector:
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(GDTCORStorageEventSelector *)eventSelector
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batchExpiration:(NSDate *)expiration {
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return [FBLPromise
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onQueue:self.storageQueue
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async:^(FBLPromiseFulfillBlock _Nonnull fulfill, FBLPromiseRejectBlock _Nonnull reject) {
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[self batchWithEventSelector:eventSelector
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batchExpiration:expiration
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onComplete:^(NSNumber *_Nullable newBatchID,
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NSSet<GDTCOREvent *> *_Nullable batchEvents) {
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if (newBatchID == nil || batchEvents == nil) {
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reject([self genericRejectedPromiseErrorWithReason:
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@"There are no events for the selector."]);
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} else {
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fulfill([[GDTCORUploadBatch alloc] initWithBatchID:newBatchID
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events:batchEvents]);
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}
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}];
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}];
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}
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// TODO: Move to a separate class/extension when needed in more places.
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- (NSError *)genericRejectedPromiseErrorWithReason:(NSString *)reason {
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return [NSError errorWithDomain:@"GDTCORFlatFileStorage"
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code:-1
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userInfo:@{NSLocalizedFailureReasonErrorKey : reason}];
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}
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@end
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