public async Task <Item> GetItemAsync(string id)
{
using (var uow = XpoHelper.CreateUnitOfWork()) {
var item = uow.GetObjectByKey <Item>(id);
return(await Task.FromResult(item));
}
}
public async Task <bool> AddItemAsync(Item item)
{
try {
using (var uow = XpoHelper.CreateUnitOfWork()) {
item.Id = Guid.NewGuid().ToString();
uow.Save(item);
uow.CommitChanges();
}
} catch (Exception) {
return(await Task.FromResult(false));
}
return(await Task.FromResult(true));
}
public async Task <bool> DeleteItemAsync(string id)
{
try {
using (var uow = XpoHelper.CreateUnitOfWork()) {
var itemToDelete = uow.GetObjectByKey <Item>(id);
if (itemToDelete != null)
{
uow.Delete(itemToDelete);
uow.CommitChanges();
}
}
} catch (Exception) {
return(await Task.FromResult(false));
}
return(await Task.FromResult(true));
}
public async Task <bool> UpdateItemAsync(Item item)
{
try {
using (var uow = XpoHelper.CreateUnitOfWork()) {
var itemToUpdate = uow.GetObjectByKey <Item>(item.Id);
if (itemToUpdate == null)
{
return(await Task.FromResult(false));
}
itemToUpdate.Text = item.Text;
itemToUpdate.Description = item.Description;
uow.Save(itemToUpdate);
uow.CommitChanges();
}
} catch (Exception) {
return(await Task.FromResult(false));
}
return(await Task.FromResult(true));
}
public async Task <IEnumerable <Item> > GetItemsAsync(bool forceRefresh = false)
{
using (var uow = XpoHelper.CreateUnitOfWork()) {
return(await Task.FromResult(uow.Query <Item>().OrderBy(i => i.Description).ToList()));
}
}
public Task <Item> GetItemAsync(string id)
{
using (var uow = XpoHelper.CreateUnitOfWork()) {
return(uow.GetObjectByKeyAsync <Item>(id));
}
}