/// <inheritdoc/>
public async Task <PublisherListModel> QueryPublishersAsync(
PublisherQueryModel query, bool onlyServerState, int?pageSize,
CancellationToken ct)
{
var result = await _client.QueryPublishersAsync(query.ToApiModel(),
onlyServerState, pageSize, ct);
return(result.ToServiceModel());
}
/// <inheritdoc/>
public async Task <PublisherListModel> QueryPublishersAsync(
PublisherQueryModel model, bool onlyServerState, int?pageSize, CancellationToken ct)
{
var query = "SELECT * FROM devices.modules WHERE " +
$"properties.reported.{TwinProperty.Type} = '{IdentityType.Publisher}'";
if (model?.SiteId != null)
{
// If site id provided, include it in search
query += $"AND (properties.reported.{TwinProperty.SiteId} = " +
$"'{model.SiteId}' OR properties.desired.{TwinProperty.SiteId} = " +
$"'{model.SiteId}')";
}
if (model?.Connected != null)
{
// If flag provided, include it in search
if (model.Connected.Value)
{
query += $"AND connectionState = 'Connected' ";
// Do not use connected property as module might have exited before updating.
}
else
{
query += $"AND (connectionState = 'Disconnected' " +
$"OR properties.reported.{TwinProperty.Connected} != true) ";
}
}
var queryResult = await _iothub.QueryDeviceTwinsAsync(query, null, pageSize, ct);
return(new PublisherListModel {
ContinuationToken = queryResult.ContinuationToken,
Items = queryResult.Items
.Select(t => t.ToPublisherRegistration(onlyServerState))
.Select(s => s.ToServiceModel())
.ToList()
});
}
