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/*
* Copyright 2017 Google
*
* 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.
*/
#import "Firestore/Source/API/FIRWriteBatch+Internal.h"
#import "Firestore/Source/API/FIRDocumentReference+Internal.h"
#import "Firestore/Source/API/FIRFirestore+Internal.h"
#import "Firestore/Source/API/FSTUserDataConverter.h"
#import "Firestore/Source/Core/FSTFirestoreClient.h"
#import "Firestore/Source/Model/FSTMutation.h"
#import "Firestore/Source/Util/FSTUsageValidation.h"
#include "Firestore/core/src/firebase/firestore/model/precondition.h"
using firebase::firestore::model::Precondition;
NS_ASSUME_NONNULL_BEGIN
#pragma mark - FIRWriteBatch
@interface FIRWriteBatch ()
- (instancetype)initWithFirestore:(FIRFirestore *)firestore NS_DESIGNATED_INITIALIZER;
@property(nonatomic, strong, readonly) FIRFirestore *firestore;
@property(nonatomic, strong, readonly) NSMutableArray<FSTMutation *> *mutations;
@property(nonatomic, assign) BOOL committed;
@end
@implementation FIRWriteBatch (Internal)
+ (instancetype)writeBatchWithFirestore:(FIRFirestore *)firestore {
return [[FIRWriteBatch alloc] initWithFirestore:firestore];
}
@end
@implementation FIRWriteBatch
- (instancetype)initWithFirestore:(FIRFirestore *)firestore {
self = [super init];
if (self) {
_firestore = firestore;
_mutations = [NSMutableArray array];
}
return self;
}
- (FIRWriteBatch *)setData:(NSDictionary<NSString *, id> *)data
forDocument:(FIRDocumentReference *)document {
return [self setData:data forDocument:document merge:NO];
}
- (FIRWriteBatch *)setData:(NSDictionary<NSString *, id> *)data
forDocument:(FIRDocumentReference *)document
merge:(BOOL)merge {
[self verifyNotCommitted];
[self validateReference:document];
FSTParsedSetData *parsed = merge
? [self.firestore.dataConverter parsedMergeData:data fieldMask:nil]
: [self.firestore.dataConverter parsedSetData:data];
[self.mutations
addObjectsFromArray:[parsed mutationsWithKey:document.key precondition:Precondition::None()]];
return self;
}
- (FIRWriteBatch *)setData:(NSDictionary<NSString *, id> *)data
forDocument:(FIRDocumentReference *)document
mergeFields:(NSArray<id> *)mergeFields {
[self verifyNotCommitted];
[self validateReference:document];
FSTParsedSetData *parsed =
[self.firestore.dataConverter parsedMergeData:data fieldMask:mergeFields];
[self.mutations
addObjectsFromArray:[parsed mutationsWithKey:document.key precondition:Precondition::None()]];
return self;
}
- (FIRWriteBatch *)updateData:(NSDictionary<id, id> *)fields
forDocument:(FIRDocumentReference *)document {
[self verifyNotCommitted];
[self validateReference:document];
FSTParsedUpdateData *parsed = [self.firestore.dataConverter parsedUpdateData:fields];
[self.mutations addObjectsFromArray:[parsed mutationsWithKey:document.key
precondition:Precondition::Exists(true)]];
return self;
}
- (FIRWriteBatch *)deleteDocument:(FIRDocumentReference *)document {
[self verifyNotCommitted];
[self validateReference:document];
[self.mutations addObject:[[FSTDeleteMutation alloc] initWithKey:document.key
precondition:Precondition::None()]];
return self;
}
- (void)commit {
[self commitWithCompletion:nil];
}
- (void)commitWithCompletion:(nullable void (^)(NSError *_Nullable error))completion {
[self verifyNotCommitted];
self.committed = TRUE;
[self.firestore.client writeMutations:self.mutations completion:completion];
}
- (void)verifyNotCommitted {
if (self.committed) {
FSTThrowInvalidUsage(@"FIRIllegalStateException",
@"A write batch can no longer be used after commit has been called.");
}
}
- (void)validateReference:(FIRDocumentReference *)reference {
if (reference.firestore != self.firestore) {
FSTThrowInvalidArgument(@"Provided document reference is from a different Firestore instance.");
}
}
@end
NS_ASSUME_NONNULL_END
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