Validating the comments form

Work Items: 16666, 16568

--HG--
branch : dev

src/Orchard.Tests/Utility/Extensions/StringExtensionsTests.cs

@@ -57,28 +57,5 @@ namespace Orchard.Tests.Utility.Extensions {
             var def = new LocalizedString("test");
             Assert.That("bar".OrDefault(def).Text, Is.SameAs("bar"));
         }
-        [Test]
-        public void IsNullOrEmptyTrimmed_EmptyStringReturnsTrue() {
-            const string testString = "";
-            Assert.AreEqual(true, testString.IsNullOrEmptyTrimmed());
-        }
-
-        [Test]
-        public void IsNullOrEmptyTrimmed_NullStringReturnsTrue() {
-            const string testString = null;
-            Assert.AreEqual(true, testString.IsNullOrEmptyTrimmed());
-        }
-
-        [Test]
-        public void IsNullOrEmptyTrimmed_SpacedStringReturnsTrue() {
-            const string testString = "    ";
-            Assert.AreEqual(true, testString.IsNullOrEmptyTrimmed());
-        }
-
-        [Test]
-        public void IsNullOrEmptyTrimmed_ActualStringReturnsFalse() {
-            const string testString = "testString";
-            Assert.AreEqual(false, testString.IsNullOrEmptyTrimmed());
-        }
     }
 }

src/Orchard.Web/Modules/Orchard.Comments/Controllers/CommentController.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 using System.Web.Mvc;
 using Orchard.Comments.Models;
 using Orchard.Comments.Services;
@@ -7,6 +8,7 @@ using Orchard.ContentManagement;
 using Orchard.Localization;
 using Orchard.UI.Notify;
 using Orchard.Utility.Extensions;
+using System.Text.RegularExpressions;
 
 namespace Orchard.Comments.Controllers {
     public class CommentController : Controller {
@@ -31,17 +33,8 @@ namespace Orchard.Comments.Controllers {
                     : Redirect("~/");
             
             var viewModel = new CommentsCreateViewModel();
-            try {
-
-                // UpdateModel(viewModel);
-
-                if(!TryUpdateModel(viewModel)) {
-                    if (Request.Form["Name"].IsNullOrEmptyTrimmed()) {
-                        _notifier.Error(T("You must provide a Name in order to comment"));
-                    }
-                    return Redirect(returnUrl);
-                }
             
+            if (TryUpdateModel(viewModel)) {
                 var context = new CreateCommentContext {
                     Author = viewModel.Name,
                     CommentText = viewModel.CommentText,
@@ -50,20 +43,25 @@ namespace Orchard.Comments.Controllers {
                     CommentedOn = viewModel.CommentedOn
                 };
 
+                if (!context.SiteName.StartsWith("http://") && !context.SiteName.StartsWith("https://")) {
+                    context.SiteName = "http://" + context.SiteName;
+                }
+
                 CommentPart commentPart = _commentService.CreateComment(context, Services.WorkContext.CurrentSite.As<CommentSettingsPart>().Record.ModerateComments);
 
                 if (commentPart.Record.Status == CommentStatus.Pending)
                     Services.Notifier.Information(T("Your comment will appear after the site administrator approves it."));
+            }
+            else {
+                foreach (var error in ModelState.Values.SelectMany(m => m.Errors).Select( e=> e.ErrorMessage)) {
+                    _notifier.Error(T(error));
+                }
+            }
 
             return !String.IsNullOrEmpty(returnUrl)
                 ? Redirect(returnUrl)
                 : Redirect("~/");
-            }
+            
-            catch (Exception exception) {
-                _notifier.Error(T("Creating Comment failed: " + exception.Message));
-                // return View(viewModel);
-                return Redirect(returnUrl);
-            }
         }
     }
 }

src/Orchard.Web/Modules/Orchard.Comments/ViewModels/CommentsCreateViewModel.cs

@@ -2,11 +2,21 @@
 
 namespace Orchard.Comments.ViewModels {
     public class CommentsCreateViewModel {
-        [Required]
+        [Required(ErrorMessage="You must provide a Name in order to comment")]
+        [StringLength(255)]
         public string Name { get; set; }
+
+        [RegularExpression(@"^[\w-]+@([\w-]+\.)+[\w]{2,4}$", ErrorMessage = "The Email is not valid")]
+        [StringLength(255)]
         public string Email { get; set; }
+
+        [StringLength(245)]
+        [RegularExpression(@"^(http(s)?://)?([\w-]+\.)+[\S]+$", ErrorMessage = "The Url is not valid")]
         public string SiteName { get; set; }
+        
+        [Required(ErrorMessage = "You must provide a Comment")]
         public string CommentText { get; set; }
+
         public int CommentedOn { get; set; }
     }
 }

src/Orchard.Web/Modules/Orchard.Media/Controllers/AdminController.cs

@@ -149,7 +149,7 @@ namespace Orchard.Media.Controllers {
                 if (!Services.Authorizer.Authorize(Permissions.UploadMediaFiles, T("Couldn't upload media file")))
                     return new HttpUnauthorizedResult();
 
-                if(Request.Files[0].FileName.IsNullOrEmptyTrimmed()) {
+                if(String.IsNullOrWhiteSpace(Request.Files[0].FileName)) {
                     ModelState.AddModelError("File", T("Select a file to upload").ToString());
                 }
 

src/Orchard/Utility/Extensions/StringExtensions.cs

@@ -35,11 +35,6 @@ namespace Orchard.Utility.Extensions {
             return Regex.Replace(friendlier, @"[^a-zA-Z]+", m => m.Index == 0 ? "" : "-").ToLowerInvariant();
         }
 
-        public static bool IsNullOrEmptyTrimmed(this string text) {
-            return text == null
-                || string.IsNullOrEmpty(text.Trim());
-        }
-
         public static LocalizedString OrDefault(this string text, LocalizedString defaultValue) {
             return string.IsNullOrEmpty(text)
                 ? defaultValue