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/*
* Copyright 2018 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.
*/
#include "Firestore/core/src/firebase/firestore/core/query.h"
#include <algorithm>
#include "Firestore/core/src/firebase/firestore/model/document_key.h"
#include "Firestore/core/src/firebase/firestore/model/field_path.h"
#include "Firestore/core/src/firebase/firestore/model/resource_path.h"
#include "Firestore/core/src/firebase/firestore/util/hard_assert.h"
namespace firebase {
namespace firestore {
namespace core {
using model::Document;
using model::DocumentKey;
using model::ResourcePath;
bool Query::Matches(const Document& doc) const {
return MatchesPath(doc) && MatchesOrderBy(doc) && MatchesFilters(doc) &&
MatchesBounds(doc);
}
bool Query::MatchesPath(const Document& doc) const {
ResourcePath doc_path = doc.key().path();
if (DocumentKey::IsDocumentKey(path_)) {
return path_ == doc_path;
} else {
return path_.IsPrefixOf(doc_path) && path_.size() == doc_path.size() - 1;
}
}
bool Query::MatchesFilters(const Document& doc) const {
return std::all_of(filters_.begin(), filters_.end(),
[&](const std::shared_ptr<core::Filter>& filter) {
return filter->Matches(doc);
});
}
bool Query::MatchesOrderBy(const Document&) const {
// TODO(rsgowman): Implement this correctly.
return true;
}
bool Query::MatchesBounds(const Document&) const {
// TODO(rsgowman): Implement this correctly.
return true;
}
Query Query::Filter(std::shared_ptr<core::Filter> filter) const {
HARD_ASSERT(!DocumentKey::IsDocumentKey(path_),
"No filter is allowed for document query");
// TODO(rsgowman): ensure only one inequality field
// TODO(rsgowman): ensure first orderby must match inequality field
std::vector<std::shared_ptr<core::Filter>> updated_filters = filters_;
updated_filters.push_back(std::move(filter));
return Query(path_, std::move(updated_filters));
}
} // namespace core
} // namespace firestore
} // namespace firebase
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