Rikitav
bf66431089
* AnonymousCompiledFilter now has undependent realization * All internal filters now implement INamedFilter interface * Added new static methods to "Filter" class * Added Filters fallbacking system * Added "FiltersFallback" method in "UpdatehandlerBase" * Changed filters validating system to be able to report failed filters * Added "FiltersFallbackReport" class * Added "FormReport" Property to "UpdateHandlerAttributeBase" * Version incremented
80 lines
3.3 KiB
C#
80 lines
3.3 KiB
C#
using Telegram.Bot.Types;
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using Telegram.Bot.Types.Enums;
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using Telegrator.Filters.Components;
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using Telegrator.Handlers.Components;
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using Telegrator.MadiatorCore.Descriptors;
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namespace Telegrator.Attributes.Components
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{
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/// <summary>
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/// Defines the <see cref="UpdateType"/>'s and validator (<see cref="IFilter{T}"/>) of the <see cref="Update"/> that <see cref="UpdateHandlerBase"/> will process
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/// </summary>
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[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
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public abstract class UpdateHandlerAttributeBase : Attribute, IFilter<Update>
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{
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/// <inheritdoc/>
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public bool IsCollectible => this.HasPublicProperties();
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/// <summary>
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/// Gets an array of <see cref="UpdateHandlerBase"/> that this attribute can be attached to
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/// </summary>
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public Type[] ExpectingHandlerType { get; private set; }
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/// <summary>
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/// Gets an <see cref="UpdateType"/> that handlers processes
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/// </summary>
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public UpdateType Type { get; private set; }
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/// <summary>
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/// Gets or sets importance of this <see cref="UpdateHandlerBase"/> in same <see cref="UpdateType"/> pool
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/// </summary>
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public int Importance { get; set; }
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/// <summary>
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/// Gets or sets priority of this <see cref="UpdateHandlerBase"/> in same type handlers pool
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/// </summary>
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public int Priority { get; set; }
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public bool FormReport { get; set; }
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/// <summary>
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/// Creates a new instance of <see cref="UpdateHandlerAttributeBase"/>
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/// </summary>
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/// <param name="expectingHandlerType"></param>
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/// <param name="updateType"></param>
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/// <param name="importance"></param>
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/// <exception cref="ArgumentNullException"></exception>
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/// <exception cref="ArgumentException"></exception>
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/// <exception cref="Exception"></exception>
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protected internal UpdateHandlerAttributeBase(Type[] expectingHandlerType, UpdateType updateType, int importance = 0)
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{
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if (expectingHandlerType == null)
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throw new ArgumentNullException(nameof(expectingHandlerType));
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if (expectingHandlerType.Any(type => !type.IsHandlerAbstract()))
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throw new ArgumentException("One of expectingHandlerType is not a handler type", nameof(expectingHandlerType));
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if (updateType == UpdateType.Unknown)
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throw new Exception();
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ExpectingHandlerType = expectingHandlerType;
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Type = updateType;
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Importance = importance;
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}
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/// <summary>
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/// Gets an <see cref="DescriptorIndexer"/> of this <see cref="UpdateHandlerAttributeBase"/> from <see cref="Importance"/> and <see cref="Priority"/>
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/// </summary>
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/// <returns></returns>
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public DescriptorIndexer GetIndexer()
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=> new DescriptorIndexer(0, this);
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/// <summary>
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/// Validator (<see cref="IFilter{T}"/>) of the <see cref="Update"/> that <see cref="UpdateHandlerBase"/> will process
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/// </summary>
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/// <param name="context"></param>
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/// <returns></returns>
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public abstract bool CanPass(FilterExecutionContext<Update> context);
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}
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}
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