protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
userName = (string)(Session["userName"]);
EditModeLabel.Visible = false;
// Assign session information to variables
int clickedRecipe = (int)(Session["clickedRecipe"]);
isOnFavorites = (bool)(Session["isOnFavorites"]);
// Set text boxes to read only so they can't be modified unless they select update btn
IngredientsBox.ReadOnly = true;
InstructionsBox.ReadOnly = true;
LabelBox.ReadOnly = true;
SaveBtn.Visible = false;
CancelBtn.Visible = false;
// If else statements to display recipe from the correct database
if (isOnFavorites)
{
// Use favorite manager to display recipe from favorites list
FavoriteRecipeMgr favMgr = new FavoriteRecipeMgr();
list = favMgr.retrieveRecipes(userName);
// Hide Add to favorite button since user is currently viewing favorite recipe
AddToFavButton.Visible = false;
// Show Update button to allow users to modify their favorite recipes
UpdateBtn.Visible = true;
// Change the text of the delete button so user knows which database they're viewing
DeleteButton.Text = "Delete From Favorites";
}
else
{
// Use recipe manager to display recipe from regular recipe list
RecipeMgr recipeMgr = new RecipeMgr();
list = recipeMgr.retrieveRecipes();
// Show favorite button since recipe can be added to favorites
AddToFavButton.Visible = true;
// Hide update button since users are not allowed to edit preloaded recipes
UpdateBtn.Visible = false;
// Change text of delete button
DeleteButton.Text = "Delete From Recipes";
}
// Retrieve desired recipe and display recipe information in text boxes
recipeDisplayed = list[clickedRecipe];
LabelBox.Text = list[clickedRecipe].RecipeName;
IngredientsBox.Text = list[clickedRecipe].RecipeIngredients;
InstructionsBox.Text = list[clickedRecipe].RecipeInstructions;
string strBase64 = Convert.ToBase64String(list[clickedRecipe].RecipeImage);
RecipeImage.ImageUrl = "data:Image/jpg;base64," + strBase64;
}
}
protected void AddToFavButton_Click(object sender, EventArgs e)
{
FavoriteRecipeMgr favMgr = new FavoriteRecipeMgr();
RecipeMgr recipeMgr = new RecipeMgr();
isOnFavorites = (bool)(Session["isOnFavorites"]);
int clickedRecipe = (int)(Session["clickedRecipe"]);
userName = (string)(Session["userName"]);
list = recipeMgr.retrieveRecipes();
recipeDisplayed = list[clickedRecipe];
// Try to store recipe to favorite list and display success message
try
{
favMgr.addRecipe(recipeDisplayed, userName);
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Recipe Successfully added to Favorite List!!!');</script>");
}
// Catch exception for debugging purposes and display error message
catch (Exception ex)
{
Debug.Write(ex.StackTrace);
Debug.WriteLine(ex.ToString());
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Error! Unable to save recipe to Favorite List!!!');</script>");
}
}
protected void DeleteButton_Click(object sender, EventArgs e)
{
isOnFavorites = (bool)(Session["isOnFavorites"]);
int clickedRecipe = (int)(Session["clickedRecipe"]);
userName = (string)(Session["userName"]);
// If else statement to delete recipe from correct database
if (isOnFavorites)
{
FavoriteRecipeMgr favMgr = new FavoriteRecipeMgr();
list = favMgr.retrieveRecipes(userName);
recipeDisplayed = list[clickedRecipe];
// Try to delete recipe from favorites and redirect to favorites form
try
{
favMgr.deleteRecipe(recipeDisplayed.RecipeId, userName);
bool recipeDeleted = true;
Session.Add("recipeDeleted", recipeDeleted);
Server.Transfer("FavoriteListForm.aspx");
}
// Catch exception for debugging and display error message
catch (Exception ex)
{
Debug.Write(ex.StackTrace);
Debug.WriteLine(ex.ToString());
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Error! Unable to delete recipe from Favorite List!!!');</script>");
}
}
else
{
RecipeMgr recipeMgr = new RecipeMgr();
list = recipeMgr.retrieveRecipes();
recipeDisplayed = list[clickedRecipe];
// Try to delete recipe from regular recipe list and redirect to recipe list form
try
{
recipeMgr.deleteRecipe(recipeDisplayed.RecipeId);
bool recipeDeleted = true;
Session.Add("recipeDeleted", recipeDeleted);
Server.Transfer("RecipeListForm.aspx");
}
// Catch exception for debugging and display error message
catch (Exception ex)
{
Debug.Write(ex.StackTrace);
Debug.WriteLine(ex.ToString());
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Error! Unable to delete recipe from Recipe List!!!');</script>");
}
}
}