From f275b9192ffa51ad2594266ed291168f6353f721 Mon Sep 17 00:00:00 2001
From: tmont <tommy.mont@gmail.com>
Date: Thu, 24 Feb 2011 01:23:53 +0000
Subject: [PATCH] deleting games works

---
 .../Controllers/GameController.cs             | 23 +++++++++++++++
 .../Services/GameService.cs                   | 22 +++++++++++++--
 .../Views/Quote/EditQuoteForm.ascx            |  1 +
 Src/VideoGameQuotes.Web/media/js/vgquotes.js  | 28 +++++++++++++++++--
 4 files changed, 69 insertions(+), 5 deletions(-)

diff --git a/Src/VideoGameQuotes.Web/Controllers/GameController.cs b/Src/VideoGameQuotes.Web/Controllers/GameController.cs
index 2faffb6..106c625 100644
--- a/Src/VideoGameQuotes.Web/Controllers/GameController.cs
+++ b/Src/VideoGameQuotes.Web/Controllers/GameController.cs
@@ -1,5 +1,6 @@
 using System.Linq;
 using System.Web.Mvc;
+using Portoa.Persistence;
 using Portoa.Util;
 using Portoa.Web;
 using Portoa.Web.Controllers;
@@ -18,6 +19,28 @@ namespace VideoGameQuotes.Web.Controllers {
 			this.userProvider = userProvider;
 		}
 
+		[HttpPost, VerifyUser(Group = UserGroup.Admin)]
+		public JsonResult Delete(int id) {
+			if (id < 1) {
+				return Json(this.CreateJsonResponse("Invalid ID"));
+			}
+
+			try {
+				var game = gameService.FindById(id);
+				var numQuotes = gameService.GetQuotesForGame(game);
+				if (numQuotes > 0) {
+					return Json(this.CreateJsonErrorResponse(
+						string.Format("There are {0} quotes that are still using this game", numQuotes)
+					));
+				}
+			} catch (EntityNotFoundException) {
+				return Json(this.CreateJsonErrorResponse("No game exists for ID " + id));
+			}
+
+			gameService.Delete(id);
+			return Json(this.CreateJsonResponse());
+		}
+
 		[HttpPost, VerifyUser(Group = UserGroup.Admin)]
 		public JsonResult Edit(EditGameModel model) {
 			if (model.GameId < 1) {
diff --git a/Src/VideoGameQuotes.Web/Services/GameService.cs b/Src/VideoGameQuotes.Web/Services/GameService.cs
index 8f00faf..544a195 100644
--- a/Src/VideoGameQuotes.Web/Services/GameService.cs
+++ b/Src/VideoGameQuotes.Web/Services/GameService.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using JetBrains.Annotations;
 using Portoa.Persistence;
@@ -10,13 +11,17 @@ namespace VideoGameQuotes.Web.Services {
 		Game FindByNameAndSystems(string name, IEnumerable<int> systemIds);
 		Game Save(Game game);
 		Game FindById(int id);
+		void Delete(int id);
+		int GetQuotesForGame(Game game);
 	}
 
 	public class GameService : IGameService {
 		private readonly IRepository<Game> repository;
+		private readonly IRepository<Quote> quoteRepository;
 
-		public GameService(IRepository<Game> repository) {
+		public GameService(IRepository<Game> repository, IRepository<Quote> quoteRepository) {
 			this.repository = repository;
+			this.quoteRepository = quoteRepository;
 		}
 
 		[UnitOfWork]
@@ -35,5 +40,18 @@ namespace VideoGameQuotes.Web.Services {
 		public Game FindById(int id) {
 			return repository.FindById(id);
 		}
+
+		[UnitOfWork]
+		public void Delete(int id) {
+			repository.Delete(id);
+		}
+
+		[UnitOfWork]
+		public int GetQuotesForGame(Game game) {
+			return quoteRepository
+				.Records
+				.Where(quote => quote.Game == game)
+				.Count();
+		}
 	}
 }
\ No newline at end of file
diff --git a/Src/VideoGameQuotes.Web/Views/Quote/EditQuoteForm.ascx b/Src/VideoGameQuotes.Web/Views/Quote/EditQuoteForm.ascx
index c093168..0f9a1a8 100644
--- a/Src/VideoGameQuotes.Web/Views/Quote/EditQuoteForm.ascx
+++ b/Src/VideoGameQuotes.Web/Views/Quote/EditQuoteForm.ascx
@@ -14,6 +14,7 @@
 							<a href="#" id="create-game-link" class="create-new-link" title="create new game"></a>
 							<% if (Model.CurrentUser != null && Model.CurrentUser.Group >= UserGroup.Admin) { %>
 							<a href="#" id="edit-game-link" class="edit-link" title="edit currently selected game"></a>
+							<a href="#" id="delete-game-link" class="delete-link" title="delete currently selected game"></a>
 							<% } %>
 						</p>
 
diff --git a/Src/VideoGameQuotes.Web/media/js/vgquotes.js b/Src/VideoGameQuotes.Web/media/js/vgquotes.js
index 34c9eec..b980186 100644
--- a/Src/VideoGameQuotes.Web/media/js/vgquotes.js
+++ b/Src/VideoGameQuotes.Web/media/js/vgquotes.js
@@ -572,6 +572,29 @@
 			return false;
 		});
 		
+		$("#delete-game-link").click(function() {
+			var $link = $(this);
+			$link.toggleClass("delete-link loading-link");
+			var gameId = $("#GameId").val();
+			
+			$.ajax("/game/delete", {
+				type: "POST",
+				data: { id: gameId },
+				success: function(data, status, $xhr) {
+					if (data.Error !== null) {
+						alert(data.Error);
+						return;
+					}
+					
+					//remove game from the dropdown
+					$("#GameId option[value='" + gameId + "']").remove();
+				},
+				complete: function() { $link.toggleClass("delete-link loading-link"); }
+			});
+			
+			return false;
+		});
+		
 		$(".edit-system-link").click(function() {
 			var $link = $(this);
 			$link.toggleClass("edit-link loading-link");
@@ -608,8 +631,6 @@
 				type: "POST",
 				data: { id: systemId },
 				success: function(data, status, $xhr) {
-					$link.toggleClass("delete-link loading-link");
-					
 					if (data.Error !== null) {
 						alert(data.Error);
 						return;
@@ -617,7 +638,8 @@
 					
 					//remove checkbox for that system
 					$link.parent().empty();
-				}
+				},
+				complete: function() { $link.toggleClass("delete-link loading-link"); }
 			});
 			
 			return false;