Files
firebase-ios-sdk/Firebase/Storage/FIRStorageUpdateMetadataTask.m
T
2018-08-21 16:09:07 -07:00

99 lines
3.4 KiB
Objective-C

// 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 "FIRStorageUpdateMetadataTask.h"
#import "FIRStorageMetadata_Private.h"
#import "FIRStorageTask_Private.h"
@implementation FIRStorageUpdateMetadataTask {
@private
FIRStorageVoidMetadataError _completion;
// Metadata used in the update request
FIRStorageMetadata *_updateMetadata;
}
@synthesize fetcher = _fetcher;
@synthesize fetcherCompletion = _fetcherCompletion;
- (instancetype)initWithReference:(FIRStorageReference *)reference
fetcherService:(GTMSessionFetcherService *)service
metadata:(FIRStorageMetadata *)metadata
completion:(FIRStorageVoidMetadataError)completion {
self = [super initWithReference:reference fetcherService:service];
if (self) {
_updateMetadata = [metadata copy];
_completion = [completion copy];
}
return self;
}
- (void)dealloc {
[_fetcher stopFetching];
}
- (void)enqueue {
NSMutableURLRequest *request = [self.baseRequest mutableCopy];
NSDictionary *updateDictionary = [_updateMetadata updatedMetadata];
NSData *updateData = [NSData frs_dataFromJSONDictionary:updateDictionary];
request.HTTPMethod = @"PATCH";
request.timeoutInterval = self.reference.storage.maxOperationRetryTime;
request.HTTPBody = updateData;
NSString *typeString = @"application/json; charset=UTF-8";
[request setValue:typeString forHTTPHeaderField:@"Content-Type"];
NSString *lengthString = [NSString stringWithFormat:@"%zu", (unsigned long)[updateData length]];
[request setValue:lengthString forHTTPHeaderField:@"Content-Length"];
FIRStorageVoidMetadataError callback = _completion;
_completion = nil;
GTMSessionFetcher *fetcher = [self.fetcherService fetcherWithRequest:request];
_fetcher = fetcher;
__weak FIRStorageUpdateMetadataTask *weakSelf = self;
_fetcherCompletion = ^(NSData *data, NSError *error) {
__strong FIRStorageUpdateMetadataTask *strongSelf = weakSelf;
if (strongSelf) {
FIRStorageMetadata *metadata;
if (error) {
if (!strongSelf.error) {
strongSelf.error =
[FIRStorageErrors errorWithServerError:error reference:strongSelf.reference];
}
} else {
NSDictionary *responseDictionary = [NSDictionary frs_dictionaryFromJSONData:data];
if (responseDictionary) {
metadata = [[FIRStorageMetadata alloc] initWithDictionary:responseDictionary];
[metadata setType:FIRStorageMetadataTypeFile];
} else {
strongSelf.error = [FIRStorageErrors errorWithInvalidRequest:data];
}
}
if (callback) {
callback(metadata, strongSelf.error);
}
strongSelf->_fetcherCompletion = nil;
}
};
fetcher.comment = @"UpdateMetadataTask";
[fetcher beginFetchWithCompletionHandler:^(NSData *data, NSError *error) {
weakSelf.fetcherCompletion(data, error);
}];
}
@end