Added two new methods to branch 1.3

Data.GetSubCategories(int catId) returns a CategoryCollection of categories whos parent is the specified category id.
Macros.QueryString(string key) returns the specified query string from the url.

git-svn-id: https://graffiticms.svn.codeplex.com/svn/Branches/v1.3@63905 2327b42d-5241-43d6-9e2a-de5ac946f064

src/Graffiti.Core/Data/Data.cs

@@ -511,6 +511,24 @@ public Category GetCategory(string categoryName)
             return category;
         }
 
+        /// <summary>
+        /// Gets all Sub-Categories by the specified Category Id
+        /// </summary>
+        /// <param name="categoryId"></param>
+        /// <returns></returns>
+        public CategoryCollection GetSubCategories(int categoryId)
+        {
+            CategoryCollection categories = new CategoryCollection();
+
+            Query q = Category.CreateQuery();
+            q.AndWhere(Category.Columns.ParentId, categoryId);
+            q.OrderByDesc(Category.Columns.Name);
+
+            categories.LoadAndCloseReader(q.ExecuteReader());
+
+            return categories;
+        }
+
         /// <summary>
         /// Gets the last x amount specified of recent comments
         /// </summary>

src/Graffiti.Core/UI/Macros.cs

@@ -942,6 +942,15 @@ public string SearchQuery
 			get { return HttpUtility.HtmlEncode(HttpContext.Current.Request.QueryString["q"]); }
 		}
 
+        /// <summary>
+        /// Returns the specified search query string value
+        /// </summary>
+        public string QueryString(string Key)
+        {
+            return HttpUtility.HtmlEncode(HttpContext.Current.Request[Key]);
+
+        }
+
 		/// <summary>
 		/// Returns the search url from $urls.Search
 		/// </summary>