70 lines
2.1 KiB
C#
70 lines
2.1 KiB
C#
/*
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* dbMango
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*
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* Copyright 2025 Deutsche Bank AG
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* SPDX-License-Identifier: Apache-2.0
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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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namespace Rms.Risk.Mango.Language.Ast;
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public class AstStageUnwind : AstStage
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{
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public AstStageUnwind() {}
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public AstStageUnwind(string fieldName, string? indexName = null)
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{
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Name = fieldName;
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Index = indexName!;
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}
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public string Name { get; internal set { field = PreprocessFieldName(value); }} = "";
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public string? Index { get; internal set { field = PreprocessFieldName(value); }}
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public override void Append(StringBuilder sb, int indent)
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{
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if (string.IsNullOrWhiteSpace(Index))
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sb.AppendLine($"{Spaces(indent)}UNWIND {Name}");
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else
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sb.AppendLine($"{Spaces(indent)}UNWIND {Name} INDEX {Index}");
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}
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public override JsonNode? AsJson()
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{
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if ( string.IsNullOrWhiteSpace(Index) )
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{
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var res = new JsonObject
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{{
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"$unwind",
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new JsonObject
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{
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{ "path", JsonValue.Create($"${Name}") }
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}
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}};
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return ApplyOptions(res);
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}
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else
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{
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var res = new JsonObject
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{{
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"$unwind",
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new JsonObject
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{
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{ "path", JsonValue.Create($"${Name}") },
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{ "includeArrayIndex", JsonValue.Create(Index) }
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}
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}};
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return ApplyOptions(res);
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}
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}
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}
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