private void GridView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
DAO.Manga manga = (sender as GridView).SelectedItem as DAO.Manga;
if (manga != null)
{
Frame.Navigate(typeof(MangaPage), manga.Id);
}
}
public async Task <bool> UpdateMangaChapterAsync(Manga manga)
{
using (SqliteConnection db = new SqliteConnection(App.APP_DB_STRING))
{
db.Open();
// TODO Code Goes Here
db.Close();
}
throw new NotImplementedException();
}
public async Task <List <Manga> > SearchMangaCategoryAsync(string category)
{
List <Manga> mangas = new List <Manga>();
if (category == null)
{
return(mangas);
}
using (SqliteConnection db = new SqliteConnection(App.APP_DB_STRING))
{
db.Open();
SqliteDataReader reader = null;
SqliteCommand searchCommand = new SqliteCommand();
searchCommand.Connection = db;
searchCommand.CommandText = "SELECT " + App.APP_MANGA_TABLE + ".manga_id, manga_title, alias, image_url, hits, last_chapter_date, " +
"status FROM " + App.APP_MANGA_TABLE + " INNER JOIN " + App.APP_MANGA_CATEGORY_TABLE + " ON " + App.APP_MANGA_TABLE + ".manga_id = " +
App.APP_MANGA_CATEGORY_TABLE + ".manga_id WHERE category = @CATEGORY ORDER BY hits DESC;";
searchCommand.Parameters.AddWithValue("@CATEGORY", category);
try
{
reader = await searchCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine(e.TargetSite);
}
if (reader != null)
{
while (reader.Read())
{
Manga manga = new Manga
{
Id = reader.GetString(0),
Title = reader.GetString(1),
Alias = reader.GetString(2),
Hits = reader.GetInt32(4),
};
if (!reader.IsDBNull(3))
{
manga.ImageString = reader.GetString(3);
}
if (!reader.IsDBNull(5))
{
manga.LastDate = reader.GetString(5);
}
mangas.Add(manga);
}
}
db.Close();
}
return(mangas);
}
/// <summary>
/// Method to perform an Update/Insert of a Manga Object.
/// </summary>
/// <param name="manga">Manga Object to be updated/inserted into DB.
/// required to have ID, Title, Alias, and Status</param>
/// <returns>True if sucess, False if an Error is encountered</returns>
public async Task <bool> UpdateMangaAsync(Manga manga)
{
//Debug.WriteLine("UpdateMangaAsync - Begin");
bool flag = true;
if (manga.Id == null || manga.Title == null || manga.Alias == null || manga.Status == null)
{
flag = false;
return(flag);
}
using (SqliteConnection db = new SqliteConnection(App.APP_DB_STRING))
{
db.Open();
SqliteDataReader reader;
SqliteCommand existsCommand = new SqliteCommand();
existsCommand.Connection = db;
// EXISTS
existsCommand.CommandText = "SELECT manga_id FROM " + App.APP_MANGA_TABLE + " WHERE manga_id = @ID";
existsCommand.Parameters.AddWithValue("@ID", manga.Id);
try
{
reader = await existsCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("UpdateMangaAsync - Exists");
flag = false;
db.Close();
return(flag);
}
bool update = false;
while (await reader.ReadAsync())
{
update = true;
}
//Debug.WriteLine("UpdateMangaAsync - Exists: " + update);
//Debug.WriteLine("Last date: " + manga.LastDate + " | " + (manga.LastDate != null));
// UPDATE/INSERT
if (update)
{
SqliteCommand updateCommand = new SqliteCommand();
updateCommand.Connection = db;
updateCommand.CommandText = "UPDATE " + App.APP_MANGA_TABLE + " SET manga_title = @TITLE, alias = @ALIAS, status = @STATUS, last_chapter_date = @DATE, hits = @HITS, " +
"image_url = @IMAGE WHERE manga_id = @ID;";
updateCommand.Parameters.AddWithValue("@TITLE", manga.Title);
updateCommand.Parameters.AddWithValue("@ALIAS", manga.Alias);
updateCommand.Parameters.AddWithValue("@STATUS", manga.Status);
if (manga.LastDate != null)
{
updateCommand.Parameters.AddWithValue("@DATE", manga.LastDate);
}
else
{
updateCommand.Parameters.AddWithValue("@DATE", DBNull.Value);
}
updateCommand.Parameters.AddWithValue("@HITS", manga.Hits);
updateCommand.Parameters.AddWithValue("@ID", manga.Id);
if (manga.ImageString != null)
{
updateCommand.Parameters.AddWithValue("@IMAGE", manga.ImageString);
}
else
{
updateCommand.Parameters.AddWithValue("@IMAGE", DBNull.Value);
}
//string query = "UPDATE " + App.APP_MANGA_TABLE + " SET manga_title = '" + manga.Title + "', alias = '" + manga.Alias + // WORKS
// "', status = '" + manga.Status + "', last_chapter_date = '" + manga.LastDate + "', hits = " + manga.Hits + " WHERE " +
// "manga_id = '" + manga.Id + "';";
//SqliteCommand updateCommand = new SqliteCommand(query, db);
try
{
await updateCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("UpdateMangaAsync - Update");
flag = false;
}
//// Remove Existing categories
//SqliteCommand removeCommand = new SqliteCommand();
//removeCommand.Connection = db;
//removeCommand.CommandText = "DELETE FROM " + App.APP_MANGA_CATEGORY_TABLE + " WHERE manga_id = @ID;";
//removeCommand.Parameters.AddWithValue("@ID", manga.Id);
//try
//{
// await removeCommand.ExecuteReaderAsync();
//}
//catch(SqliteException e)
//{
// Debug.WriteLine(e.StackTrace);
// Debug.WriteLine("UpdateMangaAsync - Remove Category");
// flag = false;
//}
//// Manga Categories
//foreach (string category in manga.Categories)
//{
// SqliteCommand categoryCommand = new SqliteCommand();
// categoryCommand.Connection = db;
// categoryCommand.CommandText = "INSERT INTO " + App.APP_MANGA_CATEGORY_TABLE + " (manga_id, category) VALUES " +
// "(@ID, @CATEGORY);";
// categoryCommand.Parameters.AddWithValue("@ID", manga.Id);
// categoryCommand.Parameters.AddWithValue("@CATEGORY", category);
// try
// {
// await categoryCommand.ExecuteReaderAsync();
// }
// catch (SqliteException e)
// {
// Debug.WriteLine(e.StackTrace);
// Debug.WriteLine("UpdateMangaAsync - Category");
// flag = false;
// }
//}
}
else
{
SqliteCommand insertCommand = new SqliteCommand();
insertCommand.Connection = db;
insertCommand.CommandText = "INSERT INTO " + App.APP_MANGA_TABLE + " (manga_id, manga_title, alias, status, last_chapter_date, hits, image_url) " +
"VALUES (@ID, @TITLE, @ALIAS, @STATUS, @DATE, @HITS, @IMAGE);";
insertCommand.Parameters.AddWithValue("@ID", manga.Id);
insertCommand.Parameters.AddWithValue("@TITLE", manga.Title);
insertCommand.Parameters.AddWithValue("@ALIAS", manga.Alias);
insertCommand.Parameters.AddWithValue("@STATUS", manga.Status);
if (manga.LastDate != null)
{
insertCommand.Parameters.AddWithValue("@DATE", manga.LastDate);
}
else
{
insertCommand.Parameters.AddWithValue("@DATE", DBNull.Value);
}
insertCommand.Parameters.AddWithValue("@HITS", manga.Hits);
if (manga.ImageString != null)
{
insertCommand.Parameters.AddWithValue("@IMAGE", manga.ImageString);
}
else
{
insertCommand.Parameters.AddWithValue("@IMAGE", DBNull.Value);
}
try
{
await insertCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("UpdateMangaAsync - Insert");
flag = false;
}
// Manga Categories
foreach (string category in manga.Categories)
{
SqliteCommand categoryCommand = new SqliteCommand();
categoryCommand.Connection = db;
categoryCommand.CommandText = "INSERT INTO " + App.APP_MANGA_CATEGORY_TABLE + " (manga_id, category) VALUES " +
"(@ID, @CATEGORY);";
categoryCommand.Parameters.AddWithValue("@ID", manga.Id);
categoryCommand.Parameters.AddWithValue("@CATEGORY", category);
try
{
await categoryCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("UpdateMangaAsync - Category");
flag = false;
}
}
}
db.Close();
//Debug.WriteLine("UpdateMangaAsync: " + flag + " | Update: " + update);
}
return(flag);
}
public async Task <bool> CreateMangaAsync(Manga manga)
{
bool flag = true;
if (manga.Title == null || manga.Id == null || manga.Alias == null || manga.Status == null)
{
flag = false;
return(flag);
}
using (SqliteConnection db = new SqliteConnection(App.APP_DB_STRING))
{
db.Open();
SqliteCommand command = new SqliteCommand();
command.Connection = db;
command.CommandText = "INSERT INTO " + App.APP_MANGA_TABLE + " (manga_id, manga_title, alias, status, last_chapter_date, hits, image_url) " +
"VALUES (@ID, @TITLE, @ALIAS, @STATUS, @DATE, @HITS, @IMAGE);";
command.Parameters.AddWithValue("@ID", manga.Id);
command.Parameters.AddWithValue("@TITLE", manga.Title);
command.Parameters.AddWithValue("@ALIAS", manga.Alias);
command.Parameters.AddWithValue("@STATUS", manga.Status);
if (manga.LastDate != null)
{
command.Parameters.AddWithValue("@DATE", manga.LastDate);
}
else
{
command.Parameters.AddWithValue("@DATE", DBNull.Value);
}
command.Parameters.AddWithValue("@HITS", manga.Hits);
if (manga.ImageString != null)
{
command.Parameters.AddWithValue("@IMAGE", manga.ImageString);
}
else
{
command.Parameters.AddWithValue("@IMAGE", DBNull.Value);
}
try
{
await command.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("CreateMangaAsync");
flag = false;
}
// Manga Categories
foreach (string category in manga.Categories)
{
SqliteCommand categoryCommand = new SqliteCommand();
categoryCommand.Connection = db;
categoryCommand.CommandText = "INSERT INTO " + App.APP_MANGA_CATEGORY_TABLE + " (manga_id, category) VALUES " +
"(@ID, @CATEGORY);";
categoryCommand.Parameters.AddWithValue("@ID", manga.Id);
categoryCommand.Parameters.AddWithValue("@CATEGORY", category);
try
{
await categoryCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("CreateMangaAsync - Category");
flag = false;
}
}
db.Close();
Debug.WriteLine("CreateMangaAsync: " + flag);
}
return(flag);
}
/// <summary>
///
/// </summary>
/// <param name="title"></param>
/// <returns>List of Manga</returns>
public async Task <List <Manga> > SearchMangaAsync(string title)
{
Debug.WriteLine("Begin search");
List <Manga> mangas = new List <Manga>();
title = Sanitize.SanitizeString(title);
if (title == null)
{
return(mangas);
}
using (SqliteConnection db = new SqliteConnection(App.APP_DB_STRING))
{
db.Open();
SqliteDataReader reader = null;
SqliteCommand searchCommand = new SqliteCommand
{
Connection = db,
CommandText = "SELECT manga_id, manga_title, alias, image_url, hits, last_chapter_date, " +
"status FROM " + App.APP_MANGA_TABLE + " WHERE manga_title LIKE '%" + title + "%' COLLATE NOCASE ORDER BY hits DESC;"
};
//searchCommand.Parameters.AddWithValue("@TITLE", title);
try
{
reader = await searchCommand.ExecuteReaderAsync();
}
catch (SqliteException e)
{
Debug.WriteLine(e.StackTrace);
Debug.WriteLine("SearchMangaAsync");
}
if (reader != null)
{
Debug.WriteLine("Reader found something");
while (reader.Read())
{
Debug.WriteLine("read: " + reader.GetString(0));
Manga manga = new Manga
{
Id = reader.GetString(0),
Title = reader.GetString(1),
Alias = reader.GetString(2),
Hits = reader.GetInt32(4),
};
if (!reader.IsDBNull(3))
{
manga.ImageString = reader.GetString(3);
}
if (!reader.IsDBNull(5))
{
manga.LastDate = reader.GetString(5);
}
mangas.Add(manga);
}
}
else
{
Debug.WriteLine("Reader null");
}
db.Close();
}
return(mangas);
}
private void MangaResultList_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
DAO.Manga manga = ((DAO.Manga)((ListView)sender).SelectedItem);
Frame.Navigate(typeof(MangaPage), manga.Id);
}
