[FIX3]Парамонов Л. 3823Б1ПР5. Задание 4. Ветка b202

BugPro/BugPro.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <RootNamespace>BugPro</RootNamespace>
+    <AssemblyName>BugPro</AssemblyName>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <LangVersion>13</LangVersion>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Stateless" Version="5.13.0" />
+  </ItemGroup>
+</Project>

BugPro/Program.cs

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+using Stateless;
+
+namespace BugPro;
+
+public enum IssuePhase
+{
+    New,
+    Analysis,
+    InProgress,
+    NeedMoreInfo,
+    NotReproducible,
+    Duplicate,
+    Fixed,
+    Closed,
+    Reopened,
+    Deferred
+}
+
+public enum TransitionSignal
+{
+    StartAnalysis,
+    RequestInfo,
+    MarkDuplicate,
+    MarkNotReproducible,
+    StartFix,
+    Fix,
+    ConfirmResolved,
+    RejectFix,
+    Reopen,
+    Defer,
+    ReturnToAnalysis
+}
+
+public sealed class Bug
+{
+    private IssuePhase phase;
+    private readonly StateMachine<IssuePhase, TransitionSignal> engine;
+
+    public Bug()
+    {
+        phase = IssuePhase.New;
+        engine = new StateMachine<IssuePhase, TransitionSignal>(
+            () => phase,
+            s => phase = s);
+
+        BuildWorkflow();
+    }
+
+    public IssuePhase State => phase;
+
+    public void StartAnalysis() => Apply(TransitionSignal.StartAnalysis);
+
+    public void RequestInfo() => Apply(TransitionSignal.RequestInfo);
+
+    public void MarkDuplicate() => Apply(TransitionSignal.MarkDuplicate);
+
+    public void MarkNotReproducible() => Apply(TransitionSignal.MarkNotReproducible);
+
+    public void StartFix() => Apply(TransitionSignal.StartFix);
+
+    public void Fix() => Apply(TransitionSignal.Fix);
+
+    public void ConfirmResolved() => Apply(TransitionSignal.ConfirmResolved);
+
+    public void RejectFix() => Apply(TransitionSignal.RejectFix);
+
+    public void Reopen() => Apply(TransitionSignal.Reopen);
+
+    public void Defer() => Apply(TransitionSignal.Defer);
+
+    public void ReturnToAnalysis() => Apply(TransitionSignal.ReturnToAnalysis);
+
+    public bool CanStartAnalysis() => engine.CanFire(TransitionSignal.StartAnalysis);
+
+    public bool CanFix() => engine.CanFire(TransitionSignal.Fix);
+
+    public bool CanClose() => engine.CanFire(TransitionSignal.ConfirmResolved);
+
+    public bool CanReopen() => engine.CanFire(TransitionSignal.Reopen);
+
+    public bool CanReturnToAnalysis() => engine.CanFire(TransitionSignal.ReturnToAnalysis);
+
+    private void Apply(TransitionSignal signal) => engine.Fire(signal);
+
+    private void BuildWorkflow()
+    {
+        engine.Configure(IssuePhase.New)
+            .Permit(TransitionSignal.StartAnalysis, IssuePhase.Analysis)
+            .Permit(TransitionSignal.Defer, IssuePhase.Deferred);
+
+        engine.Configure(IssuePhase.Analysis)
+            .Permit(TransitionSignal.RequestInfo, IssuePhase.NeedMoreInfo)
+            .Permit(TransitionSignal.MarkDuplicate, IssuePhase.Duplicate)
+            .Permit(TransitionSignal.MarkNotReproducible, IssuePhase.NotReproducible)
+            .Permit(TransitionSignal.StartFix, IssuePhase.InProgress)
+            .Permit(TransitionSignal.Defer, IssuePhase.Deferred);
+
+        engine.Configure(IssuePhase.NeedMoreInfo)
+            .Permit(TransitionSignal.ReturnToAnalysis, IssuePhase.Analysis)
+            .Permit(TransitionSignal.Defer, IssuePhase.Deferred);
+
+        engine.Configure(IssuePhase.InProgress)
+            .Permit(TransitionSignal.Fix, IssuePhase.Fixed)
+            .Permit(TransitionSignal.ReturnToAnalysis, IssuePhase.Analysis)
+            .Permit(TransitionSignal.Defer, IssuePhase.Deferred);
+
+        engine.Configure(IssuePhase.Fixed)
+            .Permit(TransitionSignal.ConfirmResolved, IssuePhase.Closed)
+            .Permit(TransitionSignal.RejectFix, IssuePhase.Reopened);
+
+        engine.Configure(IssuePhase.Closed)
+            .Permit(TransitionSignal.Reopen, IssuePhase.Reopened);
+
+        engine.Configure(IssuePhase.Reopened)
+            .Permit(TransitionSignal.ReturnToAnalysis, IssuePhase.Analysis)
+            .Permit(TransitionSignal.StartFix, IssuePhase.InProgress)
+            .Permit(TransitionSignal.Defer, IssuePhase.Deferred);
+
+        engine.Configure(IssuePhase.Deferred)
+            .Permit(TransitionSignal.ReturnToAnalysis, IssuePhase.Analysis);
+
+        engine.Configure(IssuePhase.Duplicate)
+            .Permit(TransitionSignal.ConfirmResolved, IssuePhase.Closed);
+
+        engine.Configure(IssuePhase.NotReproducible)
+            .Permit(TransitionSignal.ConfirmResolved, IssuePhase.Closed);
+    }
+}
+
+internal static class Program
+{
+    private static void Main()
+    {
+        var ticket = new Bug();
+
+        PrintPhase(ticket, "регистрация");
+        ticket.Defer();
+        PrintPhase(ticket, "отложен");
+        ticket.ReturnToAnalysis();
+        ticket.StartAnalysis();
+        PrintPhase(ticket, "разбор");
+        ticket.StartFix();
+        ticket.Fix();
+        ticket.ConfirmResolved();
+        PrintPhase(ticket, "завершён");
+    }
+
+    private static void PrintPhase(Bug ticket, string step)
+    {
+        Console.WriteLine($"[{step}] фаза: {ticket.State}");
+    }
+}

BugTests/BugTests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <RootNamespace>BugTests</RootNamespace>
+    <AssemblyName>BugTests</AssemblyName>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <LangVersion>13</LangVersion>
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+    <TreatWarningsAsErrors>false</TreatWarningsAsErrors>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="MSTest.TestAdapter" Version="3.6.4" />
+    <PackageReference Include="MSTest.TestFramework" Version="3.6.4" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\BugPro\BugPro.csproj" />
+  </ItemGroup>
+</Project>