/// <summary>
/// Delete all entities that are returned by the QueryExpression.
/// </summary>
/// <param name="service">The Service</param>
/// <param name="qe">The query expression used to define the set of entities to delete</param>
/// <param name="token"></param>
/// <returns></returns>
public static async Task <bool> DeleteIfExistsAsync(this IOrganizationServiceAsync2 service, QueryExpression qe, CancellationToken token = default)
{
var exists = false;
var idName = EntityHelper.GetIdAttributeName(qe.EntityName);
qe.ColumnSet = new ColumnSet(idName);
qe.NoLock = true;
var entities = await service.RetrieveMultipleAsync(qe, token);
if (entities.Entities.Count > 0)
{
exists = true;
await Task.WhenAll(entities.Entities.Select(e => service.DeleteAsync(qe.EntityName, e.Id)));
}
return(exists);
}
/// <summary>
/// Attempts to delete the Entity, eating the error if it doesn't exist
/// </summary>
/// <param name="service">The service.</param>
/// <param name="logicalName">Logical name of the entity.</param>
/// <param name="id">The id.</param>
/// <param name="token"></param>
/// <returns></returns>
public static async Task <bool> TryDeleteAsync(this IOrganizationServiceAsync2 service, string logicalName, Guid id, CancellationToken token = default)
{
var exists = false;
try
{
await service.DeleteAsync(logicalName, id, token);
exists = true;
}
catch (System.ServiceModel.FaultException <OrganizationServiceFault> ex)
{
if (!ex.Message.EndsWith(id + " Does Not Exist"))
{
throw;
}
}
return(exists);
}
private static async Task <bool> DeleteIfExistsInternalAsync(IOrganizationServiceAsync2 service, string logicalName, Guid id, CancellationToken token)
{
var exists = false;
var idName = EntityHelper.GetIdAttributeName(logicalName);
var qe = new QueryExpression(logicalName)
{
ColumnSet = new ColumnSet(idName)
};
qe.WhereEqual(idName, id);
qe.First();
qe.NoLock = true;
if ((await service.RetrieveMultipleAsync(qe, token)).Entities.Count > 0)
{
await service.DeleteAsync(logicalName, id, token);
exists = true;
}
return(exists);
}
/// <summary>
/// Deletes the specified entity
/// </summary>
/// <param name="service"></param>
/// <param name="entity"></param>
/// <param name="token"></param>
/// <returns></returns>
public static Task DeleteAsync(this IOrganizationServiceAsync2 service, EntityReference entity, CancellationToken token = default)
{
return(service.DeleteAsync(entity.LogicalName, entity.Id, token));
}
