/// <summary>
/// Deletes a specific ShopList in the ShoppingList (SQLite) database table, if it exists.
/// </summary>
/// <param name="shopList"></param>
/// <returns>
/// Returns a Tuple<bool, string>, with a processing message.
/// </returns>
public static Tuple <bool, string> DeleteShopList(ShopList shopList)
{
Tuple <bool, string> result = new Tuple <bool, string>(false, "");
using (SQLiteConnection connection = new SQLiteConnection(LoadConnectionString(), SQLiteOpenFlags.ReadWrite))
{
try
{
if (SADatabaseReader.DoesShopListExist(shopList))
{
_ = connection.Delete(shopList);
if (!(SADatabaseReader.DoesShopListExist(shopList)))
{
result = new Tuple <bool, string>(true, $"ShopList {shopList.Name}({shopList.ShopListID}) has been deleted.");
}
else
{
result = new Tuple <bool, string>(false, $"ShopList {shopList.Name}({shopList.ShopListID}) still exists.");
}
}
else
{
result = new Tuple <bool, string>(false, $"ShopList {shopList.Name}({shopList.ShopListID}) hasn't been saved yet or doesn't exist .");
}
}
catch (SQLiteException ex)
{
// TODO : SADatabaseReader.DeleteShopList: Error logging naar log.db
throw;
}
}
return(result);
}
/// <summary>
/// Saves the changes made on the passed ShopList object to the ShoppingList (SQLite) database table. And if the shoplist already exists, that list will get updated instead of insterted.
/// </summary>
/// <param name="shopList"></param>
/// <returns>
/// Returns a Tuple<bool, string>, with a processing message.
/// </returns>
public static Tuple <bool, string> SaveShopList(ShopList shopList)
{
Tuple <bool, string> result = new Tuple <bool, string>(false, "");
using (SQLiteConnection connection = new SQLiteConnection(LoadConnectionString(), SQLiteOpenFlags.ReadWrite))
{
try
{
if (SADatabaseReader.DoesShopListExist(shopList))
{
_ = connection.Update(shopList);
result = new Tuple <bool, string>(true, $"ShopList {shopList.Name}({shopList.ShopListID}) has been updated.");
}
else
{
_ = connection.Insert(shopList);
result = new Tuple <bool, string>(true, $"ShopList {shopList.Name}({shopList.ShopListID}) has been added.");
}
}
catch (SQLiteException ex)
{
// TODO : SADatabaseReader.SaveShopList: Error logging naar log.db
throw;
}
}
return(result);
}
/// <summary>
/// Updates or creates a shoplist owner record in the ShopListOwner table.
/// </summary>
/// <param name="shopList"></param>
/// <param name="user"></param>
/// <returns>
/// Returns a Tuple<bool, string> with a processing message.
/// </returns>
public static Tuple <bool, string> UpdateShopListOwner(ShopList shopList, AppUser user)
{
Tuple <bool, string> result = new Tuple <bool, string>(false, "");
using (SQLiteConnection connection = new SQLiteConnection(LoadConnectionString(), SQLiteOpenFlags.ReadWrite))
{
try
{
if (SADatabaseReader.DoesShopListExist(shopList))
{
connection.Execute(
"INSERT OR REPLACE INTO ShopListOwner (AppUser_ID, ShopList_ID, DateTimeModified) " +
$"VALUES ({user.ID}, {shopList.SHOPLISTID}, '{DateTimeStamp.Stamp()}')"
);
result = new Tuple <bool, string>(false, $"De owner van shoplist {shopList.Name}({shopList.SHOPLISTID}) is bijgewerkt.");
}
else
{
result = new Tuple <bool, string>(false, $"ShopList {shopList.Name}({shopList.SHOPLISTID}) bestaat niet.");
}
}
catch (SQLiteException ex)
{
// TODO : SADatabaseReader.UpdateShopListOwner: Error logging naar log.db
throw;
}
}
return(result);
}
/// <summary>
/// Adds a record to the ShopListMember table, with a foreign keys to the AppUser and ShopList tables.
/// </summary>
/// <param name="shopList"></param>
/// <param name="user"></param>
/// <returns>
/// Returns a Tuple<bool, string>, with a processing message.
/// </returns>
public static Tuple <bool, string> AddShopListMember(ShopList shopList, AppUser user)
{
var result = new Tuple <bool, string>(false, "");
using (var connection = new SQLiteConnection(LoadConnectionString()))
{
try
{
if (SADatabaseReader.DoesShopListExist(shopList))
{
var AppUserExists = connection.Query <AppUser>($"SELECT * FROM AppUser WHERE ID = {user.ID}").Count;
if (AppUserExists > 0)
{
if (!(SADatabaseReader.DoesShopListMemberExist(shopList, user)))
{
connection.Execute(
"INSERT OR REPLACE INTO ShopListMember (AppUser_ID, ShopList_ID, DateTimeAdded) " +
$"VALUES ({user.ID}, {shopList.SHOPLISTID}, '{DateTimeStamp.Stamp()}')"
);
result = new Tuple <bool, string>(false, $"Member {user.UserName}({user.ID}) is toegevoegd aan shoplist {shopList.Name}({shopList.SHOPLISTID}).");
}
else
{
result = new Tuple <bool, string>(false, $"Gebruiker {user.UserName}({user.ID}) bestaat al.");
}
}
else
{
result = new Tuple <bool, string>(false, $"Gebruiker {user.UserName}({user.ID}) bestaat niet of is nog niet opgeslagen.");
}
}
else
{
result = new Tuple <bool, string>(false, $"ShopList {shopList.Name}({shopList.SHOPLISTID}) bestaat niet of is nog niet opgeslagen.");
}
}
catch (SQLiteException ex)
{
// TODO : SADatabaseReader.AddShopListMember: Error logging naar log.db
throw;
}
}
return(result);
}
/// <summary>
/// Saves or updates a shopList item in the ShopListItem table.
/// </summary>
/// <param name="shopList"></param>
/// <param name="item"></param>
/// <returns>
/// Returns a Tuple<bool, string>, with a processing message.
/// </returns>
public static Tuple <bool, string> SaveShopListItem(ShopList shopList, ShopListItem item)
{
Tuple <bool, string> result = new Tuple <bool, string>(false, "");
using (SQLiteConnection connection = new SQLiteConnection(LoadConnectionString(), SQLiteOpenFlags.ReadWrite))
{
try
{
if (SADatabaseReader.DoesShopListExist(shopList))
{
if (SADatabaseReader.DoesShopListItemExist((int)shopList.SHOPLISTID, item))
{
string updateQuery =
$"UPDATE ShopListItem SET Unit = {item.Unit}, Amount = {item.Amount}, ItemAcquired = {item.Acquired}, DateTimeModified = '{item.ITEMUPDATED}' " +
$"WHERE ShopList_ID = {shopList.SHOPLISTID} AND ShopListProduct_ID = {item.ShopListProductID}";
connection.Execute(updateQuery);
result = new Tuple <bool, string>(true, $"ShopList item {item.ShopListProductID} is bijgewerkt.");
}
else
{
string insertQuery =
"INSERT INTO ShopListItem (ShopList_ID, ShopListProduct_ID, Unit, Amount, ItemAcquired, DateTimeAdded) " +
$"VALUES ({shopList.SHOPLISTID}, {item.ShopListProductID}, {item.Unit}, {item.Amount}, {item.Acquired}, '{item.ItemAdded}')";
connection.Execute(insertQuery);
result = new Tuple <bool, string>(true, $"ShopList item {item.ShopListProductID} is toegevoegd aan {shopList.Name}({shopList.SHOPLISTID}).");
}
}
else
{
result = new Tuple <bool, string>(false, $"ShopList {shopList.Name}({shopList.SHOPLISTID}) bestaat niet of is nog niet opgeslagen.");
}
}
catch (SQLiteException ex)
{
// TODO : SADatabaseReader.SaveShopListItem: Error logging naar log.db
throw;
}
}
return(result);
}