Added "gets or sets" rule for the model template in the CSharp code generator

AutoRest/Generators/CSharp/CSharp/ClientModelExtensions.cs

@@ -131,6 +131,36 @@ private static bool ShouldValidate(this IType model)
             return false;
         }
 
+        /// <summary>
+        /// Format the documentation of a property properly with the correct getters and setters. Note that this validation will
+        /// only acryonyms and article words.
+        /// </summary>
+        /// <param name="property">The given property documentation to format</param>
+        /// <returns></returns>
+        public static string GetFormattedPropertyDocumentation(PropertyTemplateModel property)
+        {
+            if (string.IsNullOrEmpty(property.Documentation))
+            {
+                return property.Documentation.EscapeXmlComment();
+            }
+
+            string documentation = property.IsReadOnly ? "Gets " : "Gets or sets ";
+
+            string firstWord = property.Documentation.Split(' ').First();
+            if (firstWord.Length <= 1)
+            {
+                documentation += char.ToLower(property.Documentation[0]) + property.Documentation.Substring(1);
+            }
+            else
+            {
+                documentation += firstWord.ToUpper() == firstWord
+                    ? property.Documentation
+                    : char.ToLower(property.Documentation[0]) + property.Documentation.Substring(1);
+            }
+
+            return documentation.EscapeXmlComment();
+        }
+
         /// <summary>
         /// Format the value of a sequence given the modeled element format.  Note that only sequences of strings are supported
         /// </summary>

AutoRest/Generators/CSharp/CSharp/Templates/ModelTemplate.cshtml

@@ -2,6 +2,7 @@
 @using Microsoft.Rest.Generator.ClientModel
 @using Microsoft.Rest.Generator.Utilities
 @using Microsoft.Rest.Generator
+@using Microsoft.Rest.Generator.CSharp
 @inherits Microsoft.Rest.Generator.Template<Microsoft.Rest.Generator.CSharp.ModelTemplateModel>
 @Header("// ")
 @EmptyLine
@@ -108,18 +109,8 @@ namespace @(Settings.Namespace).Models
         @EmptyLine
         @foreach (var property in Model.PropertyTemplateModels.Where(p => !p.IsConstant))
         {
-            string firstWord = property.Documentation.Split(' ').First();
-            string documentation = string.Empty;
-            if (firstWord.Length <= 1)
-            {
-                documentation = char.ToLower(property.Documentation[0]) + property.Documentation.Substring(1);
-            }
-            else
-            {
-                documentation = firstWord.ToUpper() == firstWord ? property.Documentation : char.ToLower(property.Documentation[0]) + property.Documentation.Substring(1);
-            }
         @:/// <summary>
-        @:@WrapComment("/// ", property.IsReadOnly ? "Gets " + documentation.EscapeXmlComment() : "Gets or sets " + documentation.EscapeXmlComment())
+        @:@WrapComment("/// ", ClientModelExtensions.GetFormattedPropertyDocumentation(property))
         @:/// </summary>
             if (property.Type.IsPrimaryType(KnownPrimaryType.Date))
             {