Clean up status related code a bit

src/Spectre.Console/Extensions/Progress/ProgressExtensions.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Linq;
+
+namespace Spectre.Console
+{
+    /// <summary>
+    /// Contains extension methods for <see cref="Progress"/>.
+    /// </summary>
+    public static class ProgressExtensions
+    {
+        /// <summary>
+        /// Sets the columns to be used for an <see cref="Progress"/> instance.
+        /// </summary>
+        /// <param name="progress">The <see cref="Progress"/> instance.</param>
+        /// <param name="columns">The columns to use.</param>
+        /// <returns>The same instance so that multiple calls can be chained.</returns>
+        public static Progress Columns(this Progress progress, ProgressColumn[] columns)
+        {
+            if (progress is null)
+            {
+                throw new ArgumentNullException(nameof(progress));
+            }
+
+            if (columns is null)
+            {
+                throw new ArgumentNullException(nameof(columns));
+            }
+
+            if (!columns.Any())
+            {
+                throw new InvalidOperationException("At least one column must be specified.");
+            }
+
+            progress.Columns.Clear();
+            progress.Columns.AddRange(columns);
+
+            return progress;
+        }
+
+        /// <summary>
+        /// Sets whether or not auto refresh is enabled.
+        /// If disabled, you will manually have to refresh the progress.
+        /// </summary>
+        /// <param name="progress">The <see cref="Progress"/> instance.</param>
+        /// <param name="enabled">Whether or not auto refresh is enabled.</param>
+        /// <returns>The same instance so that multiple calls can be chained.</returns>
+        public static Progress AutoRefresh(this Progress progress, bool enabled)
+        {
+            if (progress is null)
+            {
+                throw new ArgumentNullException(nameof(progress));
+            }
+
+            progress.AutoRefresh = enabled;
+
+            return progress;
+        }
+
+        /// <summary>
+        /// Sets whether or not auto clear is enabled.
+        /// If enabled, the task tabled will be removed once
+        /// all tasks have completed.
+        /// </summary>
+        /// <param name="progress">The <see cref="Progress"/> instance.</param>
+        /// <param name="enabled">Whether or not auto clear is enabled.</param>
+        /// <returns>The same instance so that multiple calls can be chained.</returns>
+        public static Progress AutoClear(this Progress progress, bool enabled)
+        {
+            if (progress is null)
+            {
+                throw new ArgumentNullException(nameof(progress));
+            }
+
+            progress.AutoClear = enabled;
+
+            return progress;
+        }
+    }
+}