74 lines
2.6 KiB
C#
74 lines
2.6 KiB
C#
// Copyright (c) Microsoft Corporation.
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// Licensed under the MIT License.
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using DemoApp.EFDataExample;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Converters;
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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.Dynamic;
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using System.IO;
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using System.Linq;
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using static RulesEngine.Extensions.ListofRuleResultTreeExtension;
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using Microsoft.EntityFrameworkCore;
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namespace DemoApp
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{
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public class EFDemo
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{
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public void Run()
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{
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Console.WriteLine($"Running {nameof(EFDemo)}....");
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var basicInfo = "{\"name\": \"hello\",\"email\": \"abcy@xyz.com\",\"creditHistory\": \"good\",\"country\": \"canada\",\"loyaltyFactor\": 3,\"totalPurchasesToDate\": 10000}";
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var orderInfo = "{\"totalOrders\": 5,\"recurringItems\": 2}";
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var telemetryInfo = "{\"noOfVisitsPerMonth\": 10,\"percentageOfBuyingToVisit\": 15}";
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var converter = new ExpandoObjectConverter();
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dynamic input1 = JsonConvert.DeserializeObject<ExpandoObject>(basicInfo, converter);
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dynamic input2 = JsonConvert.DeserializeObject<ExpandoObject>(orderInfo, converter);
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dynamic input3 = JsonConvert.DeserializeObject<ExpandoObject>(telemetryInfo, converter);
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var inputs = new dynamic[]
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{
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input1,
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input2,
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input3
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};
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var files = Directory.GetFiles(Directory.GetCurrentDirectory(), "Discount.json", SearchOption.AllDirectories);
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if (files == null || files.Length == 0)
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throw new Exception("Rules not found.");
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var fileData = File.ReadAllText(files[0]);
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var workflow = JsonConvert.DeserializeObject<List<Workflow>>(fileData);
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RulesEngineDemoContext db = new RulesEngineDemoContext();
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if (db.Database.EnsureCreated())
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{
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db.Workflows.AddRange(workflow);
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db.SaveChanges();
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}
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var wfr = db.Workflows.Include(i => i.Rules).ThenInclude(i => i.Rules).ToArray();
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var bre = new RulesEngine.RulesEngine(wfr, null);
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string discountOffered = "No discount offered.";
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List<RuleResultTree> resultList = bre.ExecuteAllRulesAsync("Discount", inputs).Result;
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resultList.OnSuccess((eventName) => {
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discountOffered = $"Discount offered is {eventName} % over MRP.";
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});
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resultList.OnFail(() => {
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discountOffered = "The user is not eligible for any discount.";
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});
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Console.WriteLine(discountOffered);
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}
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}
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}
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