/// <summary>
/// Saves an entity.
/// </summary>
/// <param name="entity">The resource entity to save.</param>
/// <param name="cancellationToken">The optional token to monitor for cancellation requests.</param>
/// <returns>The changing result information.</returns>
public override async Task <ChangingResultInfo> SaveAsync(ReceivedMailEntity entity, CancellationToken cancellationToken = default)
{
if (entity == null)
{
return(new ChangingResultInfo(ChangeErrorKinds.Argument, EntityNullTips));
}
if (string.IsNullOrWhiteSpace(UserId))
{
return(new ChangingResultInfo(ChangeErrorKinds.Unauthorized, LoginErrorTips));
}
if (string.IsNullOrWhiteSpace(entity.OwnerId) && entity.IsNew)
{
entity.OwnerId = UserId;
}
try
{
var result = await DataProvider.SaveAsync(entity, cancellationToken);
if (ResourceEntityExtensions.IsSuccessful(result))
{
return(new ChangingResultInfo <ReceivedMailEntity>(result, entity, result.ToString() + " received mail entity."));
}
return(result);
}
catch (Exception ex)
{
var err = ResourceEntityExtensions.TryCatch(ex);
if (err != null)
{
return(err);
}
throw;
}
}
private static Task <ChangeMethods> SaveAsync <T>(IList <T> col, T entity, CancellationToken cancellationToken = default) where T : BaseResourceEntity
{
if (col is null || entity is null)
{
return(Task.FromResult(ChangeMethods.Invalid));
}
return(ResourceEntityExtensions.SaveAsync(entity, col.Add, ele =>
{
var removing = col.FirstOrDefault(ele => ele.Id == entity.Id);
if (removing != null)
{
col.Remove(removing);
}
col.Add(entity);
}, cancellationToken));
}
/// <summary>
/// Updates a specific entity.
/// </summary>
/// <param name="id">The resource entity identifier.</param>
/// <param name="state">The state to change.</param>
/// <param name="cancellationToken">The optional token to monitor for cancellation requests.</param>
/// <returns>The changing result information.</returns>
public override async Task <ChangingResultInfo> UpdateUserGroupActivityAsync(string id, ResourceEntityStates state, CancellationToken cancellationToken = default)
{
if (string.IsNullOrWhiteSpace(id))
{
return(new ChangingResultInfo(ChangeErrorKinds.Argument, "Requires an entity identifier."));
}
if (string.IsNullOrWhiteSpace(UserId))
{
return(new ChangingResultInfo(ChangeErrorKinds.Unauthorized, LoginErrorTips));
}
var entity = await DataProvider.GetUserGroupActivityAsync(id, cancellationToken);
if (entity == null)
{
return(new ChangingResultInfo(ChangeErrorKinds.NotFound, "The entity does not exist."));
}
try
{
var result = await DataProvider.SaveAsync(entity, cancellationToken);
if (ResourceEntityExtensions.IsSuccessful(result))
{
return(new ChangingResultInfo <UserGroupActivityEntity>(result, entity, result.ToString() + " user group activity entity."));
}
return(result);
}
catch (Exception ex)
{
var err = ResourceEntityExtensions.TryCatch(ex);
if (err != null)
{
return(err);
}
throw;
}
}
