added generic From* methods and made ResultObject nullable.

Author: SharePointRadi

src/OneBitSoftware.Utilities.OperationResult/OneBitSoftware.Utilities.OperationResult.csproj

@@ -32,7 +32,7 @@
     <PackageRequireLicenseAcceptance>False</PackageRequireLicenseAcceptance>
     <PackageReadmeFile>README.md</PackageReadmeFile>
     <PackageTags>OneBitSoftware; OperationResult;</PackageTags>
-    <Version>1.4.0</Version>
+    <Version>1.4.1</Version>
   </PropertyGroup>
 
 </Project>

src/OneBitSoftware.Utilities.OperationResult/OperationResult.cs

@@ -44,7 +44,7 @@ public IEnumerable<string>? SuccessMessages
         /// Gets an <see cref="List{T}"/> containing the error codes and messages of the <see cref="OperationResult{T}" />.
         /// </summary>
         public List<IOperationError> Errors { get; internal set; } = new List<IOperationError>();
-
+        
         /// <summary>
         /// Gets or sets the first exception that resulted from the operation.
         /// </summary>
@@ -267,7 +267,7 @@ public OperationResult(TResult resultObject) : base()
         /// <summary>
         /// Gets or sets the related result object of the operation.
         /// </summary>
-        public TResult ResultObject { get; set; }
+        public TResult? ResultObject { get; set; }
 
         /// <summary>
         /// This method will append an error with a specific `user-friendly` message to this operation result instance.
@@ -334,6 +334,33 @@ public OperationResult<TResult> AppendErrorMessages<TOther>(TOther otherOperatio
             return this;
         }
 
+        /// <summary>
+        /// Creates an instance of <see cref="OperationResult{TResult}"/> and appends the passed error message details to it's internal error collection.
+        /// </summary>
+        /// <param name="message">A message to append to the internal errors collection.</param>
+        /// <param name="code">An optional code to include in the error.</param>
+        /// <param name="logLevel">A log event level. Defaults to Error.</param>
+        /// <param name="details">An optional detail message to add to the error.</param>
+        /// <param name="logger">An optional instance of <see cref="ILogger"/>.</param>
+        /// <returns>An <see cref="OperationResult{TResult}"/> containing the passed exception.</returns>
+        public static new OperationResult<TResult> FromError(string message, int? code = null, LogLevel logLevel = LogLevel.Error, string? details = null, ILogger? logger = null)
+        {
+            var result = new OperationResult<TResult>(logger);
+            return result.AppendError(message, code, logLevel, details);
+        }
+
+        /// <summary>
+        /// Creates an instance of <see cref="OperationResult"/> and appends the passed exception to it's error collection.
+        /// </summary>
+        /// <param name="exception">The <see cref="Exception"/> to append.</param>
+        /// <param name="logger">An optional instance of <see cref="ILogger"/>.</param>
+        /// <returns>An <see cref="OperationResult{TResult}"/> containing the passed exception.</returns>
+        public static new OperationResult<TResult> FromException(Exception exception, ILogger? logger = null)
+        {
+            var result = new OperationResult<TResult>(logger);
+            return result.AppendException(exception);
+        }
+
         /// <summary>
         /// Sets related object to the provided operation result and returns itself.
         /// </summary>