/// <summary>
/// Finds a contact with the given primary key value as an asynchronous operation.
/// </summary>
/// <param name="id">The primary key for the item to be found.</param>
/// <param name="fields">The fields to be included in the result set.</param>
/// <param name="cancellationToken">The <see cref="T:System.Threading.CancellationToken" /> used to propagate notifications that the operation should be canceled.</param>
/// <returns>
/// A <see cref="T:System.Threading.Tasks.Task`1" /> that represents the <see cref="T:Partnerinfo.Contact.ContactItem" /> of the asynchronous query.
/// </returns>
public virtual Task <ContactItem> FindByIdAsync(int id, ContactQueryFields fields, CancellationToken cancellationToken)
{
ThrowIfDisposed();
return(Contacts
.Where(id)
.Select(fields)
.FirstOrDefaultAsync(cancellationToken));
}
public async Task <IActionResult> FindByIdAsync(int id, ContactQueryFields fields)
{
var contact = await _contactManager.FindByIdAsync(id, fields);
if (contact == null)
{
return(NotFound());
}
return(Ok(contact));
}
/// <summary>
/// Projects each item of a sequence into a new form.
/// </summary>
internal static IQueryable <ContactItem> Select(this IQueryable <ContactItem> query, ContactQueryFields fields)
{
Expression <Func <ContactItem, ContactItem> > selector = c => new ContactItem
{
Id = c.Id
};
if ((fields & ContactQueryFields.Sponsor) == ContactQueryFields.Sponsor)
{
selector = selector.Merge(c => new ContactItem {
});
}
if ((fields & ContactQueryFields.Attributes) == ContactQueryFields.Attributes)
{
selector = selector.Merge(c => new ContactItem {
});
}
if ((fields & ContactQueryFields.BusinessTags) == ContactQueryFields.BusinessTags)
{
selector = selector.Merge(c => new ContactItem {
});
}
return(query.Select(selector));
}
/// <summary>
/// Finds a contact with the given primary key value as an asynchronous operation.
/// </summary>
/// <param name="id">The primary key for the item to be found.</param>
/// <param name="fields">The fields to be included in the result set.</param>
/// <param name="cancellationToken">A token to observe while waiting for the task to complete.</param>
/// <returns>
/// A task that represents the asynchronous operation.
/// </returns>
public virtual Task <ContactItem> FindByIdAsync(int id, ContactQueryFields fields)
{
ThrowIfDisposed();
return(Store.FindByIdAsync(id, fields, CancellationToken));
}
