Implementing Model-View-Presenter in ASP.NET

/***************************************************************************
Note to Dev Team, Contributors, all people of the Earth...
 * PLEASE DO NOT CHANGE THIS FILE. ever.
 * It's just the way we want it.
 * If there is an issue please contact me (Rob) and let me know before any checkins
 * 
 * Love and Kisses
 * Rob

****************************************************************************/
using System;
using System.CodeDom;
using System.Text;
using System.Web.Compilation;
using SubSonic.Utilities;
using SubSonic.CodeGenerator;

namespace SubSonic
{
	/// <summary>
	/// The Magic...
	/// </summary>
    public class BuildProvider : System.Web.Compilation.BuildProvider
	{
        /// <summary>
        /// This is the main method used by the build provider
        /// </summary>
        /// <param name="assemblyBuilder"></param>
		public override void GenerateCode(AssemblyBuilder assemblyBuilder)
		{
			// retrieve input file
			Utility.WriteTrace("Invoking BuildProvider");

			//using (Stream inFile = VirtualPathProvider.OpenFile(VirtualPath))
			//{
                //StreamReader rdr = new StreamReader(inFile);
                //string tableList = rdr.ReadToEnd();
                //rdr.Close();

				ICodeLanguage language;
				try
				{
					language = CodeLanguageFactory.GetByCodeProviderName(GetDefaultCompilerType().CodeDomProviderType.Name);
				}
				catch
				{
					language = new CSharpCodeLanguage();
				}
        		Utility.WriteTrace("Setting language to " + language.Identifier);

				BuildCode(assemblyBuilder, language);
			//}
		}

		private void BuildCode(AssemblyBuilder ab, ICodeLanguage language)
		{
			//make sure the providers are loaded
			Utility.WriteTrace("Initializing Providers....");
			DataService.LoadProviders();

			string usings = ParseUtility.GetUsings(language);
			StringBuilder code = new StringBuilder();
			code.Append(usings);

			//loop over the providers, and generate code for each
			foreach (DataProvider provider in DataService.Providers)
			{
				Utility.WriteTrace("Creating code for " + provider.Name);
				string[] tableList = DataService.GetTableNames(provider.Name);
				string[] viewList = DataService.GetViewNames(provider.Name);


				//generate the classes
				foreach (string tbl in tableList)
				{
					code.Append(CodeService.RunClass(tbl, provider.Name, language));
					Utility.WriteTrace("Generating Class " + tbl);
				}

				//generate the ODS Controllers
				foreach (string tbl in tableList)
				{
					code.Append(CodeService.RunODS(tbl, provider.Name, language));
					Utility.WriteTrace("Generating ODS Controller for:  " + tbl);
				}


				//generate the read-only
				Utility.WriteTrace("Generating View List");
				foreach (string view in viewList)
				{
					code.Append(CodeService.RunReadOnly(view, provider.Name, language));
					Utility.WriteTrace("Generating ReadOnly " + view);
				}

				//sps
				Utility.WriteTrace("Generating SPs");
				code.Append(CodeService.RunSPs(provider.Name, language));
			}

			//structs are built for all providers
			Utility.WriteTrace("Generating Structs");
			
            code.Append(CodeService.RunStructs(language));
			ab.AddCodeCompileUnit(this, new CodeSnippetCompileUnit(code.ToString()));
		}
	}
}