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>");
}
}
}
protected void SaveButton_Click(object sender, EventArgs e)
{
try
{
// Assign text values to recipe and try to save it to database
Recipe recipeToAdd = new Recipe(NameBox.Text, IngredientsBox.Text,
InstructionsBox.Text);
if (!ImageUpload.Equals(null))
{
HttpPostedFile postedFile = ImageUpload.PostedFile;
string fileName = Path.GetFileName(postedFile.FileName);
string fileExtenstion = Path.GetExtension(fileName);
int fileSize = postedFile.ContentLength;
if (fileExtenstion.ToLower() == ".jpg" || fileExtenstion.ToLower() == ".bmp" ||
fileExtenstion.ToLower() == ".gif" || fileExtenstion.ToLower() == ".png")
{
Stream stream = postedFile.InputStream;
BinaryReader binReader = new BinaryReader(stream);
byte[] bytes = binReader.ReadBytes((int)stream.Length);
recipeToAdd.RecipeSize = fileSize;
recipeToAdd.RecipeImage = bytes;
}
else
{
throw new ApplicationException();
}
}
else
{
ImageConverter imgConverter = new ImageConverter();
byte[] bytes = (byte[])imgConverter.ConvertTo(
Properties.Resources.MyRecipes, typeof(byte[]));
recipeToAdd.RecipeSize = 0;
recipeToAdd.RecipeImage = bytes;
}
RecipeMgr recipeMgr = new RecipeMgr();
recipeMgr.addRecipe(recipeToAdd);
bool recipeAdded = true;
Session.Add("recipeAdded", recipeAdded);
Server.Transfer("RecipeListForm.aspx");
}
catch (ApplicationException ex)
{
// Display what type of file can be used for recipe image
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts",
"<script>alert('Error! Only images .jpg, .png, .bmp, or " +
".png can be uploaded!!');</script>");
// For Debugging
Debug.Write(ex.StackTrace);
Debug.WriteLine(ex.ToString());
}
catch (Exception ex)
{
// Display alert message that recipe could not be added
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts",
"<script>alert('Error! Unable to add recipe to list!');</script>");
// For Debugging
Debug.Write(ex.StackTrace);
Debug.WriteLine(ex.ToString());
}
}
protected void Page_Load(object sender, EventArgs e)
{
string userName = User.Identity.Name;
if (userName == "")
{
userName = "******";
}
Session.Add("userName", userName);
try
{
// Preload reg recipe list database to be displayed on grid view
RecipeWS.RecipeWebService ws = new RecipeWS.RecipeWebService();
RecipeWS.WSRecipe[] wsList = ws.GetWebServiceRecipes();
int count = wsList.Length;
for (int i = 0; i < count; i++)
{
Recipe recipe = new Recipe();
recipe.RecipeName = wsList[i].RecipeName;
recipe.RecipeIngredients = wsList[i].RecipeIngredients;
recipe.RecipeInstructions = wsList[i].RecipeInstructions;
recipe.RecipeSize = wsList[i].RecipeSize;
recipe.RecipeImage = wsList[i].RecipeImage;
list.Add(recipe);
}
}
catch
{
Debug.WriteLine("Unable to load data from Service1Client!");
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Error! Unable to retrieve recipe list from host!');</script>");
}
RecipeMgr recipeMgr = new RecipeMgr();
RecipeLists loadData = new RecipeLists();
// Create the recipe list database with preloaded recipes
recipeMgr.storeRecipes(list);
// Try to retrieve bool recipeAdded variable if available
try
{
recipeAdded = (bool)(Session["recipeAdded"]);
}
catch (Exception ex)
{
Debug.Write(ex.StackTrace);
Debug.WriteLine("Form loaded with no recipeAdded variable available.");
}
// Try to retrieve recipeDeleted bool variable if available
try
{
recipeDeleted = (bool)(Session["recipeDeleted"]);
}
catch (Exception ex)
{
Debug.Write(ex.StackTrace);
Debug.WriteLine("Form loaded with no recipeDeleted variable available.");
}
// Display success message if recipe successfully added to list from AddRecipeForm
// Change the session bool variables back to false
if (recipeAdded)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Success! Recipe Added to List!');</script>");
Session["recipeAdded"] = false;
}
else if (recipeDeleted)
{
Page.ClientScript.RegisterStartupScript(this.GetType(), "Scripts", "<script>alert('Recipe successfully deleted from list!');</script>");
Session["recipeDeleted"] = false;
}
}
