/// <summary>
/// Get source collection of items for serializing
/// </summary>
/// <returns>Collection of items</returns>
protected override ObservableCollection <T> GetFinalCollection()
{
foreach (var item in ItemsSource.Where(x => !ItemsSourceAll.Contains(x)))
{
if (ItemsSourceAll.FirstOrDefault(x => x.ID == item.ID) != null)
{
ItemsSourceAll[ItemsSourceAll.IndexOf(ItemsSourceAll.FirstOrDefault(x => x.ID == item.ID))] = item;
}
else
{
ItemsSourceAll.Add(item);
}
}
bool ClearSecured = CustomSettings.IsUserLogged;
var ToRemove = ItemsSourceAll.Where(x => (x.Secured == ClearSecured || (x.Secured != ClearSecured && ClearSecured == true))).Where(x => !ItemsSource.Select(y => y.ID).ToList().Contains(x.ID)).Select(x => x.ID).ToList();
foreach (var item in ToRemove)
{
ItemsSourceAll.Remove(ItemsSourceAll.FirstOrDefault(x => x.ID == item));
}
return(ItemsSourceAll);
}
/// <summary>
/// Add range of items into collection and save it
/// </summary>
/// <param name="itemList">List of imported items</param>
/// <param name="reloadSource">Reload source if null</param>
/// <returns>True, if action was succesfull</returns>
public virtual async Task <bool> AddItemRange(List <T> itemList, bool reloadSource = true, bool CheckItems = true)
{
bool res = true;
if (!reloadSource && ItemsSource == null)
{
ItemsSource = new ObservableCollection <T>();
ItemsSourceAll = new ObservableCollection <T>();
}
foreach (var item in itemList)
{
if (CheckItems)
{
res &= await AddItem(item, false);
}
else
{
ItemsSourceAll.Add(item);
ItemsSource.Add(item);
}
}
await SaveDataAsync();
return(res);
}
/// <summary>
/// Add item into collection and save it, when required
/// </summary>
/// <param name="item">New item</param>
/// <param name="saveData">Save data after adding item into collection</param>
/// <returns>True, if action was succesfull</returns>
public virtual async Task <bool> AddItem(T item, bool saveData = true)
{
T NewItem = item;
NewItem.Encrypted = false;
NewItem.ManagerID = ID;
if (ItemsSource == null)
{
await GetItemsAsync();
}
if (NewItem.ID == -1)
{
if (ItemsSource != null)
{
NewItem.ID = GetID();
}
else
{
NewItem.ID = 0;
}
ItemsSource.Add(NewItem);
}
else
{
int Index = ItemsSource.IndexOf(ItemsSource.FirstOrDefault(x => x.ID == NewItem.ID));
if (Index == -1)
{
Index = IndexOfItem(NewItem);
}
if (Index == -1)
{
return(false);
}
ItemsSource.RemoveAt(Index);
ItemsSource.Insert(Index, NewItem);
}
if (!AddItemAdditionCheck(item))
{
return(false);
}
if (saveData)
{
await SaveDataAsync();
}
else
{
ItemsSourceAll.Add(NewItem);
}
return(true);
}
/// <summary>
/// Return list of names of items
/// </summary>
/// <returns>List of names of items</returns>
public virtual async Task <List <string> > GetItemsNameList()
{
if ((CustomSettings.IsUserLogged && ItemsSource.Count != ItemsSourceAll.Count) || (!CustomSettings.IsUserLogged && ItemsSource.Count == ItemsSourceAll.Count && ItemsSourceAll.Count(x => x.Secured) > 0))
{
await GetItemsAsync(true);
}
return(ItemsSource?.Select(x => x.Name).ToList() ?? new List <string>());
}
