[PM-15621] Add functionality to map command results to HTTP responses. (#5467)

src/Api/Utilities/CommandResultExtensions.cs

@@ -0,0 +1,31 @@
+using Bit.Core.Models.Commands;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Bit.Api.Utilities;
+
+public static class CommandResultExtensions
+{
+    public static IActionResult MapToActionResult<T>(this CommandResult<T> commandResult)
+    {
+        return commandResult switch
+        {
+            NoRecordFoundFailure<T> failure => new ObjectResult(failure.ErrorMessages) { StatusCode = StatusCodes.Status404NotFound },
+            BadRequestFailure<T> failure => new ObjectResult(failure.ErrorMessages) { StatusCode = StatusCodes.Status400BadRequest },
+            Failure<T> failure => new ObjectResult(failure.ErrorMessages) { StatusCode = StatusCodes.Status400BadRequest },
+            Success<T> success => new ObjectResult(success.Data) { StatusCode = StatusCodes.Status200OK },
+            _ => throw new InvalidOperationException($"Unhandled commandResult type: {commandResult.GetType().Name}")
+        };
+    }
+
+    public static IActionResult MapToActionResult(this CommandResult commandResult)
+    {
+        return commandResult switch
+        {
+            NoRecordFoundFailure failure => new ObjectResult(failure.ErrorMessages) { StatusCode = StatusCodes.Status404NotFound },
+            BadRequestFailure failure => new ObjectResult(failure.ErrorMessages) { StatusCode = StatusCodes.Status400BadRequest },
+            Failure failure => new ObjectResult(failure.ErrorMessages) { StatusCode = StatusCodes.Status400BadRequest },
+            Success => new ObjectResult(new { }) { StatusCode = StatusCodes.Status200OK },
+            _ => throw new InvalidOperationException($"Unhandled commandResult type: {commandResult.GetType().Name}")
+        };
+    }
+}

src/Core/Models/Commands/BadRequestFailure.cs

@@ -0,0 +1,23 @@
+namespace Bit.Core.Models.Commands;
+
+public class BadRequestFailure<T> : Failure<T>
+{
+    public BadRequestFailure(IEnumerable<string> errorMessage) : base(errorMessage)
+    {
+    }
+
+    public BadRequestFailure(string errorMessage) : base(errorMessage)
+    {
+    }
+}
+
+public class BadRequestFailure : Failure
+{
+    public BadRequestFailure(IEnumerable<string> errorMessage) : base(errorMessage)
+    {
+    }
+
+    public BadRequestFailure(string errorMessage) : base(errorMessage)
+    {
+    }
+}

src/Core/Models/Commands/CommandResult.cs

@@ -1,4 +1,6 @@
-namespace Bit.Core.Models.Commands;
+#nullable enable
+
+namespace Bit.Core.Models.Commands;
 
 public class CommandResult(IEnumerable<string> errors)
 {
@@ -10,3 +12,39 @@ public class CommandResult(IEnumerable<string> errors)
 
     public CommandResult() : this(Array.Empty<string>()) { }
 }
+
+public class Failure : CommandResult
+{
+    protected Failure(IEnumerable<string> errorMessages) : base(errorMessages)
+    {
+
+    }
+    public Failure(string errorMessage) : base(errorMessage)
+    {
+
+    }
+}
+
+public class Success : CommandResult
+{
+}
+
+public abstract class CommandResult<T>
+{
+
+}
+
+public class Success<T>(T data) : CommandResult<T>
+{
+    public T? Data { get; init; } = data;
+}
+
+public class Failure<T>(IEnumerable<string> errorMessage) : CommandResult<T>
+{
+    public IEnumerable<string> ErrorMessages { get; init; } = errorMessage;
+
+    public Failure(string errorMessage) : this(new[] { errorMessage })
+    {
+    }
+}
+

src/Core/Models/Commands/NoRecordFoundFailure.cs

@@ -0,0 +1,24 @@
+namespace Bit.Core.Models.Commands;
+
+public class NoRecordFoundFailure<T> : Failure<T>
+{
+    public NoRecordFoundFailure(IEnumerable<string> errorMessage) : base(errorMessage)
+    {
+    }
+
+    public NoRecordFoundFailure(string errorMessage) : base(errorMessage)
+    {
+    }
+}
+
+public class NoRecordFoundFailure : Failure
+{
+    public NoRecordFoundFailure(IEnumerable<string> errorMessage) : base(errorMessage)
+    {
+    }
+
+    public NoRecordFoundFailure(string errorMessage) : base(errorMessage)
+    {
+    }
+}
+