135 lines
4.5 KiB
C#
135 lines
4.5 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.ActiveDirectory.Base.Expressions;
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/// <summary>
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/// Criteria
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/// </summary>
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public class Criteria : ICloneable
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{
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private readonly CriteriaType _type;
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private readonly List<Expression> _expressions = new List<Expression>();
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private readonly List<Criteria> _nestedCriteras = new List<Criteria>();
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/// <summary>
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/// Constructor
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/// </summary>
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/// <param name="type">Type of critera</param>
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/// <param name="expressions">Expressions</param>
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public Criteria(CriteriaType type, params Expression[] expressions)
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{
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_expressions.AddRange(expressions);
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_type = type;
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}
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/// <summary>
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/// Add nested expressions as And criteria
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/// </summary>
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/// <param name="expressions">Expressions</param>
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/// <returns>Self</returns>
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public Criteria And(params Expression[] expressions)
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{
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_nestedCriteras.Add(All(expressions));
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return this;
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}
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/// <summary>
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/// Add nested expressions as Or criteria
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/// </summary>
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/// <param name="expressions">Expressions</param>
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/// <returns>Self</returns>
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public Criteria Or(params Expression[] expressions)
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{
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_nestedCriteras.Add(Any(expressions));
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return this;
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}
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/// <summary>
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/// Add nested Criteria
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/// </summary>
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/// <param name="nested"></param>
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/// <returns>себя</returns>
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public Criteria Add(Criteria nested)
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{
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_nestedCriteras.Add(nested);
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return this;
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}
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/// <summary>
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/// Criteria as a string
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/// </summary>
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/// <returns>Criteria string</returns>
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public override string ToString()
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{
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var criteria = "({0}{1}{2})";
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var expressions = _expressions.Aggregate(string.Empty, (current, expr) => current + expr.ToString());
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var criterias = _nestedCriteras.Aggregate(string.Empty, (current, crit) => current + crit.ToString());
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return string.Format(criteria, _type == CriteriaType.And ? "&" : "|", expressions, criterias);
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}
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/// <summary>
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/// Group of Expression union as And
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/// </summary>
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/// <param name="expressions">Expressions</param>
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/// <returns>new Criteria</returns>
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public static Criteria All(params Expression[] expressions)
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{
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return new Criteria(CriteriaType.And, expressions);
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}
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/// <summary>
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/// Group of Expression union as Or
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/// </summary>
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/// <param name="expressions">Expressions</param>
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/// <returns>new Criteria</returns>
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public static Criteria Any(params Expression[] expressions)
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{
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return new Criteria(CriteriaType.Or, expressions);
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}
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#region ICloneable Members
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/// <summary>
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/// ICloneable implemetation
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/// </summary>
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/// <returns>Clone object</returns>
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public object Clone()
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{
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var cr = new Criteria(_type);
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foreach (var ex in _expressions)
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{
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cr._expressions.Add(ex.Clone() as Expression);
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}
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foreach (var nc in _nestedCriteras)
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{
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cr._nestedCriteras.Add(nc.Clone() as Criteria);
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}
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return cr;
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}
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#endregion
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}
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