/// <summary>Gets the lists asynchronous. Creates listitems from user owned lists in the database</summary>
private async void GetListsAsync()
{
//The users current login token
string token = LoginPage.token;
//Adding object to the list
//If database api request fails delete listview content.
ListItems.Clear();
ObservableCollection <AllList> returnedCollection = await ListCalls.GetTokenOwnerLists(token);
foreach (AllList a in returnedCollection)
{
ListItems.Add(
new AllList()
{
ListId = a.ListId,
ListName = a.ListName,
UserId = a.UserId
}
);
}
}
/// <summary>Creates collection for all of the genres in the current list</summary>
public async void GetAllLists()
{
//Getting the user owned lists
ObservableCollection <AllList> userLists = await ListCalls.GetTokenOwnerLists(LoginPage.token);
//Creating objects that contains the listId's
AllList toWatchList = new AllList();
AllList watchedList = new AllList();
//Adding the listId's to the appropiat list object
foreach (AllList n in userLists)
{
//Adding to ToWatch List object
if (n.ListName == "ToWatch")
{
toWatchList.ListId = n.ListId;
toWatchList.ListName = n.ListName;
}
//Adding to watched List object
if (n.ListName == "Watched")
{
watchedList.ListId = n.ListId;
watchedList.ListName = n.ListName;
}
}
//Getting all the listItems from the ToWatch List
ObservableCollection <AllListItems> allTowatchListObjects = await ListItemCalls.GetListItems(toWatchList.ListId);
//Getting all the listItems from the ToWatch List
ObservableCollection <AllListItems> allWatchedListObjects = await ListItemCalls.GetListItems(watchedList.ListId);
//Getting All of the Movies
allMovies = await MovieCalls.GetMovies();
//Creating lists for storing allMovie object for the toWatch and watched list
ObservableCollection <Movie> allToWatchMovies = new ObservableCollection <Movie>();
ObservableCollection <Movie> allWatchedMovies = new ObservableCollection <Movie>();
//Comparing the All ListObjects movie id with tall movies (Intensive task that can be optimised)
foreach (Movie m in allMovies)
{
//ToWatch
foreach (AllListItems toWatchI in allTowatchListObjects)
{
//If the movie exists in the towatchlist add the Movie object to the new list
//This is so that the Movie object that contains all of the information can be displayed in the UI
if (m.MovieId == toWatchI.MovieId)
{
//Adding the movie to the new list
allToWatchMovies.Add(m);
}
}
//Watched
foreach (AllListItems watched in allWatchedListObjects)
{
//See comments on the foreach loop above
if (m.MovieId == watched.MovieId)
{
allWatchedMovies.Add(m);
}
}
}
//Creating reference to the stackPanel that should contain the list
StackPanel stack_toWatch = Stack_listViews;
StackPanel stack_Watched = Stack_Watched;
//Creating the stack lists in the ToWatch Tab
DynamicListViewCreator("All Genres", allToWatchMovies, stack_toWatch);
//Creating the stack lists in the Watched Tab
DynamicListViewCreator("All Genres", allWatchedMovies, Stack_Watched);
//The new lists can now be used to create seperate lists for every genreId that exists in the Movie collection lists
//Firstly we need all of the Genre objects that excist.
//Then we can compare all existing genreId's with the ones that exist in the Watched and toWatch lists.
ObservableCollection <Genre> allGenres = await GenreCalls.GetGenres();
//Looping through the allGenres list
foreach (Genre existingGenres in allGenres)
{
//Creates a temporary list to store the movie that contain the current genre
ObservableCollection <Movie> genreListWatched = new ObservableCollection <Movie>();
foreach (Movie allWatched in allWatchedMovies)
{
//Finding out that if the allWatched contains the genre
if (existingGenres.GenreId == allWatched.GenreId)
{
//Adding movie with same genre to the list
genreListWatched.Add(allWatched);
}
}
//If any movies got added create a new List in the UI
if (genreListWatched.Count > 0)
{
DynamicListViewCreator(existingGenres.GenreName, genreListWatched, Stack_Watched);
}
//Creates a temporary list to store the movie that contain the current genre
ObservableCollection <Movie> genreListToWatch = new ObservableCollection <Movie>();
foreach (Movie allToWatch in allToWatchMovies)
{
//Finding out that if the allToWatch contains the genre
if (existingGenres.GenreId == allToWatch.GenreId)
{
//Adding movie with same genre to the list
genreListToWatch.Add(allToWatch);
}
}
//If any movies got added create a new List in the UI
if (genreListToWatch.Count > 0)
{
DynamicListViewCreator(existingGenres.GenreName, genreListToWatch, stack_toWatch);
}
//End of Genre Loop
}
}
/// <summary>
/// Handles the SelectionChanged event of the Combobox_Options control.
/// Logic for all of the the different selection options
/// Sorry to the person reading this. I should definitely have called methods instead of writing so much code.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="SelectionChangedEventArgs"/> instance containing the event data.</param>
private async void Combobox_Options_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//Amount of selected items
int selectedAmount = gridViewMovies.SelectedItems.Count;
// Get the ComboBox instance
ComboBox comboBox = sender as ComboBox;
string selectedName;
try
{
selectedName = comboBox.SelectedValue.ToString();
}
catch (System.NullReferenceException nullReffEx)
{
//Catches if there is selectedValue is null
//This occurs if the combobox is reset. Since the selection is changed into an invalid value the method must be stopped
selectedName = nullReffEx.ToString();
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
//Exiting method.
return;
}
//If no movies are selected return
if (selectedAmount == 0)
{
await new MessageDialog(
"No items are selected",
//Failed to (Open/Edit/Delete/Add to ToWatch list/Add to Watched list)
"Failed to " + selectedName).ShowAsync(); //Display message
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
return;
}
//Creates string with all selected MovieNames
var movies = gridViewMovies.SelectedItems;
string selectedMoviesString = "";
foreach (var m in movies)
{
var movie = m as Movie;
selectedMoviesString += movie.Title + "\r\n";
}
// Logic for reading the selected combobox items is written in the if tests below
//SELECTED "Open" IN THE COMBOBOX
if (selectedName == "Open")
{
//If multiple movies are selected
if (selectedAmount > 1)
{
await new MessageDialog("Open movies failed", "You can only open 1 movie at the same time").ShowAsync(); //Display message
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
//Exit method
return;
}
//Opens movie
Movie selectedMovie = gridViewMovies.SelectedItem as Movie;
await Task.Delay(50);
//Creating parameter for tapped movie object
var parameters = selectedMovie;
//Navigate to new page, while also sending the Movie object parameters. T
//he parameters are handled in the override OnNavigatedTo method in MoviePage
Frame.Navigate(typeof(MoviePage), parameters);
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
return;
}
//SELECTED "Edit" IN THE COMBOBOX
if (selectedName == "Edit")
{
//If more than 1 movie is selected
if (selectedAmount > 1)
{
await new MessageDialog("You can only edit 1 movie at the same time", "Edit movies failed").ShowAsync(); //Display message
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
//Exit method
return;
}
//Saving The chosen Movie object
Movie selectedMovie = gridViewMovies.SelectedItem as Movie;
await Task.Delay(50);
//Creating parameter for tapped movie object
var parameters = selectedMovie;
//Task delay to ensure that the parameters are loaded correctly
//Navigate to new page, while also sending the Movie object parameters. T
//he parameters are handled in the override OnNavigatedTo method in EditMoviePage
Frame.Navigate(typeof(EditMoviePage), parameters);
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
return;
}
//SELECTED "Delete" IN THE COMBOBOX
if (selectedName == "Delete")
{
var userMessage = new MessageDialog(
//Fill body with names of all the selected movie
selectedMoviesString,
//Title
"Are you sure you want to delete the selected movies shown below?\r\n");
//Logic for deleteing all of the selected items
//To prevent users accidentally deleting movies users must accept this option in a popup
//Using delegate command for yes and no buttons
userMessage.Commands.Add(new UICommand("Yes!", async delegate(IUICommand command)
{
//Looping through all elements that are selected
ObservableCollection <Movie> toRemove = new ObservableCollection <Movie>();
//Creates a list of all the objects that are to be removed
//This is because it's not possible to modify the same list that is enumerating. (without deleting an incorrect amount of objects)
foreach (Movie elem in movies)
{
toRemove.Add(elem);
}
// Removing Movie objects that are stored in the toRemoveList
foreach (Movie remove in toRemove)
{
//Removing objects from TableItems ObservableCollection. (Bound to gridViewModels)
TableItems.Remove(remove);
await DeleteMovieAsync(remove.MovieId);
}
}));
userMessage.Commands.Add(new UICommand("No!", delegate(IUICommand command)
{
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
//exits method
return;
}));
//Open the popup specified above
await userMessage.ShowAsync();
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
}
//SELECTED "Add to Towatch" or "Add to watched" IN THE COMBOBOX
if (selectedName == "Add to ToWatch list" || selectedName == "Add to Watched list")
{
//Getting all user owned lists with a httpRequest
ObservableCollection <AllList> userLists = await ListCalls.GetTokenOwnerLists(LoginPage.token);
//Id of the chosen userlist
Nullable <int> chosenUserList = null;
//Checking the id for the lists owned by the user
foreach (AllList ali in userLists)
{
if (selectedName == "Add to ToWatch list")
{
//Checking for the for ToWatch list
if (ali.ListName == "ToWatch")
{
chosenUserList = ali.ListId;
await new MessageDialog("", chosenUserList.ToString()).ShowAsync();
}
}
if (selectedName == "Add to Watched list")
{
//Checking for the id for Watched list
if (ali.ListName == "Watched")
{
chosenUserList = ali.ListId;
await new MessageDialog("", chosenUserList.ToString()).ShowAsync();
}
}
}
//Checking if userlist was defined
if (chosenUserList == null)
{
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
//returning if not defined
return;
}
//Posting all of the selected movies to the chosen list specified above (chosenUserList)
foreach (Movie elem in movies)
{
ListItem newListItem = new ListItem()
{
MovieId = elem.MovieId,
//converting nullable int to int.
//The convertion will succeed since I have already checked that the int is not null
ListId = Convert.ToInt32(chosenUserList)
};
//api/ListItems
string feedback = await ListItemCalls.PostListItem(newListItem);
//
//await new MessageDialog(feedback, "Added to list?").ShowAsync();
}
//Resets the combobox
comboBox_Options.SelectedIndex = -1;
}
}