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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 "FIRCollectionReference.h"
#import "FIRFirestore.h"
#include "Firestore/core/src/firebase/firestore/util/autoid.h"
#import "Firestore/Source/API/FIRDocumentReference+Internal.h"
#import "Firestore/Source/API/FIRQuery+Internal.h"
#import "Firestore/Source/API/FIRQuery_Init.h"
#import "Firestore/Source/Core/FSTQuery.h"
#import "Firestore/Source/Util/FSTUsageValidation.h"
#include "Firestore/core/src/firebase/firestore/model/document_key.h"
#include "Firestore/core/src/firebase/firestore/model/resource_path.h"
#include "Firestore/core/src/firebase/firestore/util/string_apple.h"
namespace util = firebase::firestore::util;
using firebase::firestore::model::DocumentKey;
using firebase::firestore::model::ResourcePath;
using firebase::firestore::util::CreateAutoId;
NS_ASSUME_NONNULL_BEGIN
@interface FIRCollectionReference ()
- (instancetype)initWithPath:(const ResourcePath &)path
firestore:(FIRFirestore *)firestore NS_DESIGNATED_INITIALIZER;
// Mark the super class designated initializer unavailable.
- (instancetype)initWithQuery:(FSTQuery *)query
firestore:(FIRFirestore *)firestore
__attribute__((unavailable("Use the initWithPath constructor of FIRCollectionReference.")));
@end
@implementation FIRCollectionReference (Internal)
+ (instancetype)referenceWithPath:(const ResourcePath &)path firestore:(FIRFirestore *)firestore {
return [[FIRCollectionReference alloc] initWithPath:path firestore:firestore];
}
@end
@implementation FIRCollectionReference
- (instancetype)initWithPath:(const ResourcePath &)path firestore:(FIRFirestore *)firestore {
if (path.size() % 2 != 1) {
FSTThrowInvalidArgument(
@"Invalid collection reference. Collection references must have an odd "
"number of segments, but %s has %zu",
path.CanonicalString().c_str(), path.size());
}
self = [super initWithQuery:[FSTQuery queryWithPath:path] firestore:firestore];
return self;
}
// Override the designated initializer from the super class.
- (instancetype)initWithQuery:(FSTQuery *)query firestore:(FIRFirestore *)firestore {
HARD_FAIL("Use FIRCollectionReference initWithPath: initializer.");
}
// NSObject Methods
- (BOOL)isEqual:(nullable id)other {
if (other == self) return YES;
if (![[other class] isEqual:[self class]]) return NO;
return [self isEqualToReference:other];
}
- (BOOL)isEqualToReference:(nullable FIRCollectionReference *)reference {
if (self == reference) return YES;
if (reference == nil) return NO;
return [self.firestore isEqual:reference.firestore] && [self.query isEqual:reference.query];
}
- (NSUInteger)hash {
NSUInteger hash = [self.firestore hash];
hash = hash * 31u + [self.query hash];
return hash;
}
- (NSString *)collectionID {
return util::WrapNSString(self.query.path.last_segment());
}
- (FIRDocumentReference *_Nullable)parent {
const ResourcePath parentPath = self.query.path.PopLast();
if (parentPath.empty()) {
return nil;
} else {
DocumentKey key{parentPath};
return [FIRDocumentReference referenceWithKey:key firestore:self.firestore];
}
}
- (NSString *)path {
return util::WrapNSString(self.query.path.CanonicalString());
}
- (FIRDocumentReference *)documentWithPath:(NSString *)documentPath {
if (!documentPath) {
FSTThrowInvalidArgument(@"Document path cannot be nil.");
}
const ResourcePath subPath = ResourcePath::FromString(util::MakeStringView(documentPath));
const ResourcePath path = self.query.path.Append(subPath);
return [FIRDocumentReference referenceWithPath:path firestore:self.firestore];
}
- (FIRDocumentReference *)addDocumentWithData:(NSDictionary<NSString *, id> *)data {
return [self addDocumentWithData:data completion:nil];
}
- (FIRDocumentReference *)addDocumentWithData:(NSDictionary<NSString *, id> *)data
completion:
(nullable void (^)(NSError *_Nullable error))completion {
FIRDocumentReference *docRef = [self documentWithAutoID];
[docRef setData:data completion:completion];
return docRef;
}
- (FIRDocumentReference *)documentWithAutoID {
const DocumentKey key{self.query.path.Append(CreateAutoId())};
return [FIRDocumentReference referenceWithKey:key firestore:self.firestore];
}
@end
NS_ASSUME_NONNULL_END
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