protected async Task PullPreviousPageAsync(
ApiConnectorCRUDBase <EntityT, KeyT> connector,
Action <ConnectorRequest_GET <ApiConnectorCRUDBase <EntityT, KeyT> > >?config = null)
{
if (HasPreviousPage)
{
PageIndex--;
await PullPageAsync(PageIndex, connector, config).ConfigureAwait(false);
}
;
}
public static RestEntity <EntityT, KeyT>?AssignRest <EntityT, KeyT>(
this RestEntity <EntityT, KeyT>?entity,
ApiConnectorCRUDBase <EntityT, KeyT> conn)
where EntityT : class, IEntity <EntityT, KeyT>
where KeyT : IEquatable <KeyT>, IComparable, new()
{
if (entity != null)
{
entity.ConnectorService = conn.ConnectorService;
entity.ConnectorCRUD = conn;
}
return(entity);
}
public static IEnumerable <RestEntity <EntityT, KeyT> >?AssignRest <EntityT, KeyT>(
this IEnumerable <RestEntity <EntityT, KeyT> >?entities,
ApiConnectorCRUDBase <EntityT, KeyT> conn)
where EntityT : class, IEntity <EntityT, KeyT>
where KeyT : IEquatable <KeyT>, IComparable, new()
{
if (entities != null)
{
foreach (var entity in entities)
{
entity.ConnectorService = conn.ConnectorService;
entity.ConnectorCRUD = conn;
}
}
return(entities);
}
protected async Task PullPageAsync(
int page,
ApiConnectorCRUDBase <EntityT, KeyT> connector,
Action <ConnectorRequest_GET <ApiConnectorCRUDBase <EntityT, KeyT> > >?config = null)
{
CancellationTokenSource.Cancel();
CancellationTokenSource = new CancellationTokenSource();
try
{
EntityDownloadStart?.Invoke(this, new EventArgs());
IPaginatedList <EntityT, KeyT>?paginator = await GetPaginatorAsync(
connector, config, page, CancellationTokenSource.Token).ConfigureAwait(false);
await UpdatePaginatorAsync(paginator).ConfigureAwait(false);
EntityDownloadFinish?.Invoke(this, new EventArgs());
}
catch (TaskCanceledException) { }
}
public override async Task <IPaginatedList <EntityT, KeyT>?> GetPaginatorAsync(
ApiConnectorCRUDBase <EntityT, KeyT> connector,
Action <ConnectorRequest_GET <ApiConnectorCRUDBase <EntityT, KeyT> > >?config = null,
int?page = null,
CancellationToken cancellationToken = default) =>
await connector.GetAsync(config, page : page, cancellationToken : cancellationToken).ConfigureAwait(false);
public virtual async IAsyncEnumerable <IPaginatedList <EntityT, KeyT> > PullAllPagesAsync(ApiConnectorCRUDBase <EntityT, KeyT> connector)
{
CancellationTokenSource cts = new();
var cancellationToken = cts.Token;
for (int page_i = 1; page_i <= TotalPages; page_i++)
{
IPaginatedList <EntityT, KeyT>?paginator = await GetPaginatorAsync(
connector, page : page_i, cancellationToken : cancellationToken).ConfigureAwait(false);
if (paginator != null)
{
yield return(paginator);
}
else
{
yield break;
}
}
}
public Task PullCurrentPageAsync(
ApiConnectorCRUDBase <EntityT, KeyT> connector,
Action <ConnectorRequest_GET <ApiConnectorCRUDBase <EntityT, KeyT> > >?config = null) =>
PullPageAsync(PageIndex, connector, config);
public abstract Task <IPaginatedList <EntityT, KeyT>?> GetPaginatorAsync(
ApiConnectorCRUDBase <EntityT, KeyT> connector,
Action <ConnectorRequest_GET <ApiConnectorCRUDBase <EntityT, KeyT> > >?config = null,
int?page = null,
CancellationToken cancellationToken = default);
