103 lines
3.2 KiB
Plaintext
103 lines
3.2 KiB
Plaintext
/*
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* Copyright 2022 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 "FIRAggregateQuerySnapshot+Internal.h"
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#import "FIRAggregateQuery.h"
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#import "FIRQuery.h"
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#import "Firestore/Source/API/FIRAggregateField+Internal.h"
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#import "Firestore/Source/API/FIRFieldPath+Internal.h"
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#import "Firestore/Source/API/FIRFirestore+Internal.h"
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#import "Firestore/Source/API/FSTUserDataWriter.h"
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#include "absl/types/optional.h"
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#include "Firestore/Protos/nanopb/google/firestore/v1/document.nanopb.h"
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#include "Firestore/core/src/model/aggregate_alias.h"
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#include "Firestore/core/src/model/field_path.h"
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#include "Firestore/core/src/util/exception.h"
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using firebase::firestore::google_firestore_v1_Value;
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using firebase::firestore::model::AggregateAlias;
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using firebase::firestore::model::FieldPath;
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using firebase::firestore::model::ObjectValue;
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using firebase::firestore::util::ThrowInvalidArgument;
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NS_ASSUME_NONNULL_BEGIN
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@implementation FIRAggregateQuerySnapshot {
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ObjectValue _result;
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FIRAggregateQuery *_query;
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}
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- (instancetype)initWithObject:(ObjectValue)result query:(FIRAggregateQuery *)query {
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if (self = [super init]) {
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_result = std::move(result);
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_query = query;
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}
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return self;
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}
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#pragma mark - NSObject Methods
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- (BOOL)isEqual:(nullable id)other {
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if (other == self) return YES;
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if (![[other class] isEqual:[self class]]) return NO;
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auto otherSnap = static_cast<FIRAggregateQuerySnapshot *>(other);
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return _result == otherSnap->_result && [_query isEqual:otherSnap->_query];
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}
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- (NSUInteger)hash {
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NSUInteger result = [_query hash];
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result = 31 * result + _result.Hash();
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return result;
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}
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#pragma mark - Public Methods
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- (NSNumber *)count {
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return (NSNumber *)[self valueForAggregateField:[FIRAggregateField aggregateFieldForCount]];
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}
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- (FIRAggregateQuery *)query {
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return _query;
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}
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- (id)valueForAggregateField:(FIRAggregateField *)aggregateField {
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FIRServerTimestampBehavior serverTimestampBehavior = FIRServerTimestampBehaviorNone;
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AggregateAlias alias = [aggregateField createAlias];
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absl::optional<google_firestore_v1_Value> fieldValue = _result.Get(alias.StringValue());
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if (!fieldValue) {
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std::string path{""};
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if (aggregateField.fieldPath) {
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path = [aggregateField.fieldPath internalValue].CanonicalString();
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}
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ThrowInvalidArgument("'%s(%s)' was not requested in the aggregation query.",
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[aggregateField name], path);
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}
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FSTUserDataWriter *dataWriter =
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[[FSTUserDataWriter alloc] initWithFirestore:_query.query.firestore.wrapped
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serverTimestampBehavior:serverTimestampBehavior];
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return [dataWriter convertedValue:*fieldValue];
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}
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@end
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NS_ASSUME_NONNULL_END
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