73 lines
2.8 KiB
C#
73 lines
2.8 KiB
C#
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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using RulesEngine.Models;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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namespace RulesEngine.HelperFunctions
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{
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/// <summary>
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/// Helpers
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/// </summary>
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internal static class Helpers
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{
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internal static RuleFunc<RuleResultTree> ToResultTree(Rule rule, IEnumerable<RuleResultTree> childRuleResults, Func<object[],bool> isSuccessFunc, string exceptionMessage = "")
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{
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return (inputs) => new RuleResultTree
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{
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Rule = rule,
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Inputs = inputs.ToDictionary(c => c.Name,c => c.Value),
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IsSuccess = isSuccessFunc(inputs.Select(c => c.Value).ToArray()),
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ChildResults = childRuleResults,
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ExceptionMessage = exceptionMessage
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};
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}
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/// <summary>
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/// To the result tree error messages
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/// </summary>
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/// <param name="ruleResultTree">ruleResultTree</param>
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/// <param name="ruleResultMessage">ruleResultMessage</param>
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internal static void ToResultTreeMessages(RuleResultTree ruleResultTree, ref RuleResultMessage ruleResultMessage)
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{
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if (ruleResultTree.ChildResults != null)
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{
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GetChildRuleMessages(ruleResultTree.ChildResults, ref ruleResultMessage);
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}
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else
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{
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if (!ruleResultTree.IsSuccess)
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{
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string errMsg = ruleResultTree.Rule.ErrorMessage;
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errMsg = string.IsNullOrEmpty(errMsg) ? $"Error message does not configured for {ruleResultTree.Rule.RuleName}" : errMsg;
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if (ruleResultTree.Rule.ErrorType == ErrorType.Error && !ruleResultMessage.ErrorMessages.Contains(errMsg))
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{
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ruleResultMessage.ErrorMessages.Add(errMsg);
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}
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else if (ruleResultTree.Rule.ErrorType == ErrorType.Warning && !ruleResultMessage.WarningMessages.Contains(errMsg))
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{
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ruleResultMessage.WarningMessages.Add(errMsg);
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}
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}
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}
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}
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/// <summary>
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/// To get the child error message recersivly
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/// </summary>
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/// <param name="childResultTree">childResultTree</param>
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/// <param name="ruleResultMessage">ruleResultMessage</param>
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private static void GetChildRuleMessages(IEnumerable<RuleResultTree> childResultTree, ref RuleResultMessage ruleResultMessage)
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{
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foreach (var item in childResultTree)
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{
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ToResultTreeMessages(item, ref ruleResultMessage);
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}
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}
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}
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}
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