/// <summary>
/// Updates a specified menu owned by the current user.
/// </summary>
/// <param name="menuId">The Menu ID to update, or null to update the Favorites menu.</param>
/// <param name="recipesAdd">A list of recipe IDs to add to the menu. Duplicates will be ignored.</param>
/// <param name="recipesRemove">A list of recipe IDs to remove from the menu.</param>
/// <param name="recipesMove">A list of items to move from this menu to another menu.</param>
/// <param name="clear">If true, all recipes will be removed from this menu.</param>
/// <param name="newName">An optional new name for this menu. Note, the favorites menu cannot be renamed.</param>
/// <returns></returns>
public MenuResult UpdateMenu(Guid? menuId, Guid[] recipesAdd, Guid[] recipesRemove, MenuMove[] recipesMove, bool clear, string newName = null)
{
var ret = new MenuResult();
ret.IsMenuUpdated = true; // TODO: Verify actual changes were made before setting MenuUpdated to true
Menus dbMenu = null;
if (menuId.HasValue)
{
dbMenu = store.Menus.SingleOrDefault(p => p.MenuId == menuId);
if (dbMenu == null)
throw new MenuNotFoundException();
if (dbMenu.UserId != Identity.UserId) // User does not have access to modify this menu
throw new UserDoesNotOwnMenuException();
}
var dbFavorites = store.Favorites
.Where(p => p.MenuId == menuId)
.ToList();
if (!string.IsNullOrWhiteSpace(newName) && dbMenu != null) // Rename menu
dbMenu.Title = newName.Trim();
if (recipesAdd.Any()) // Add recipes to menu
{
var existing = dbFavorites.Select(f => f.RecipeId);
recipesAdd = recipesAdd.Except(existing).ToArray(); //Remove dupes
foreach (var rid in recipesAdd)
{
var fav = new Favorites
{
FavoriteId = Guid.NewGuid(),
UserId = Identity.UserId,
RecipeId = rid,
MenuId = menuId
};
store.Favorites.Add(fav);
}
}
if (recipesRemove.Any()) // Remove recipes from menu
{
var toDelete = (from r in dbFavorites where recipesRemove.Contains(r.RecipeId) select r);
toDelete.ForEach(r => store.Favorites.Remove(r));
}
if (clear) // Remove every recipe from menu
{
store.Favorites.RemoveAll(dbFavorites.Contains);
}
if (recipesMove.Any()) // Move items to another menu
{
foreach (var moveAction in recipesMove)
{
Menus dbTarget = null;
if (moveAction.TargetMenu.HasValue)
{
dbTarget = store.Menus
.Where(p => p.UserId == Identity.UserId)
.SingleOrDefault(p => p.MenuId == moveAction.TargetMenu);
if (dbTarget == null)
throw new MenuNotFoundException(moveAction.TargetMenu.Value);
}
var rToMove = (moveAction.AllMoved
? dbFavorites
: dbFavorites.Where(r => moveAction.RecipesToMove.Contains(r.RecipeId)));
rToMove.ForEach(a => a.MenuId = dbTarget != null ? (Guid?) dbTarget.MenuId : null);
}
}
return ret;
}
public MenuResult UpdateMenu(AuthIdentity identity, Guid? menuId, Guid[] recipesAdd, Guid[] recipesRemove, MenuMove[] recipesMove, bool clear, string newName = null)
{
var ret = new MenuResult();
ret.MenuUpdated = true; // TODO: Verify actual changes were made before setting MenuUpdated to true
using (var session = GetSession())
{
using (var transaction = session.BeginTransaction())
{
Models.Menus dbMenu = null;
IList<Favorites> dbRecipes = null;
if (menuId.HasValue)
{
dbMenu = session.QueryOver<Models.Menus>()
.Fetch(prop => prop.Recipes).Eager
.Where(p => p.MenuId == menuId)
.SingleOrDefault();
if (dbMenu == null)
throw new MenuNotFoundException();
if (dbMenu.UserId != identity.UserId) // User does not have access to modify this menu
throw new UserDoesNotOwnMenuException();
if (!String.IsNullOrWhiteSpace(newName) && dbMenu != null) // Rename menu
dbMenu.Title = newName.Trim();
dbRecipes = dbMenu.Recipes;
}
else
{
dbRecipes = session.QueryOver<Favorites>()
.Where(p => p.UserId == identity.UserId)
.Where(p => p.Menu == null)
.List();
}
if (recipesAdd.Any()) // Add recipes to menu
{
var existing = (from r in dbRecipes select r.Recipe.RecipeId);
recipesAdd = recipesAdd.Except(existing).ToArray(); //Remove dupes
foreach (var rid in recipesAdd)
{
var fav = new Favorites
{
UserId = identity.UserId,
Recipe = new Models.Recipes() {RecipeId = rid},
Menu = dbMenu
};
session.Save(fav);
}
}
if (recipesRemove.Any()) // Remove recipes from menu
{
var toDelete = (from r in dbRecipes where recipesRemove.Contains(r.Recipe.RecipeId) select r);
toDelete.ForEach(session.Delete);
}
if (clear) // Remove every recipe from menu
{
dbRecipes.ForEach(session.Delete);
}
if (recipesMove.Any()) // Move items to another menu
{
foreach (var moveAction in recipesMove)
{
Models.Menus dbTarget = null;
if (moveAction.TargetMenu.HasValue)
{
dbTarget = session.QueryOver<Models.Menus>()
.Where(p => p.MenuId == moveAction.TargetMenu.Value)
.Where(p => p.UserId == identity.UserId)
.SingleOrDefault();
if (dbTarget == null)
throw new MenuNotFoundException(moveAction.TargetMenu.Value);
}
var rToMove = (moveAction.MoveAll
? dbRecipes
: dbRecipes.Where(r => moveAction.RecipesToMove.Contains(r.Recipe.RecipeId)));
rToMove.ForEach(a => a.Menu = dbTarget);
}
}
transaction.Commit();
}
}
return ret;
}
public MenuResult UpdateMenu(
AuthorIdentity identity,
Guid? menuId,
Guid[] recipesAdd,
Guid[] recipesRemove,
MenuMove[] recipesMove,
bool clear,
string newName = null)
{
var menu = new MenuResult();
using (var session = this.GetSession())
{
using (var transaction = session.BeginTransaction())
{
Menus databaseMenu = null;
IList<Favorites> databaseRecipes = null;
if (menuId.HasValue)
{
databaseMenu =
session.QueryOver<Menus>()
.Fetch(prop => prop.Recipes)
.Eager.Where(p => p.MenuId == menuId)
.SingleOrDefault();
if (databaseMenu == null)
{
throw new MenuNotFoundException();
}
CheckForUserAccess(identity, databaseMenu);
RenameMenu(newName, databaseMenu);
databaseRecipes = databaseMenu.Recipes;
}
else
{
databaseRecipes =
session.QueryOver<Favorites>()
.Where(p => p.UserId == identity.UserId)
.Where(p => p.Menu == null)
.List();
}
if (recipesAdd.Any())
{
AddRecipesToMenu(identity, recipesAdd, databaseRecipes, databaseMenu, session);
menu.MenuUpdated = true;
}
if (recipesRemove.Any())
{
RemoveRecipesFromMenu(recipesRemove, databaseRecipes, session);
menu.MenuUpdated = true;
}
if (clear)
{
RemoveAllRecipesFromMenu(databaseRecipes, session);
menu.MenuUpdated = true;
}
if (recipesMove.Any())
{
MoveRecipesToAnotherMenu(identity, recipesMove, session, databaseRecipes);
menu.MenuUpdated = true;
}
transaction.Commit();
}
}
return menu;
}