/// <summary>
/// Gets the trigger, or creates a new one if one with the specified trigger.id doesn't exist.
/// </summary>
/// <param name="dbId">The id of the Database to search for, or create.</param>
/// <param name="collectionId">The id of the document db collection.</param>
/// <param name="trigger">The trigger to get or create.</param>
/// <param name="deleteTrigger">Indicator to delete the trigger before creating it.</param>
/// <returns>The matched, or created, Trigger object</returns>
public async Task <Trigger> GetOrCreateTriggerAsync(
string dbId,
string collectionId,
Trigger trigger,
bool deleteTrigger = false)
{
Code.ExpectsNotNullOrWhiteSpaceArgument(dbId, nameof(dbId), TaggingUtilities.ReserveTag(0x2381b14e /* tag_961fo */));
Code.ExpectsNotNullOrWhiteSpaceArgument(collectionId, nameof(collectionId), TaggingUtilities.ReserveTag(0x2381b14f /* tag_961fp */));
Code.ExpectsArgument(trigger, nameof(trigger), TaggingUtilities.ReserveTag(0x2381b150 /* tag_961fq */));
IDocumentClient client = await GetDocumentClientAsync().ConfigureAwait(false);
Uri colUri = UriFactory.CreateDocumentCollectionUri(dbId, collectionId);
return(await DocumentDbAdapter.ExecuteAndLogAsync(TaggingUtilities.ReserveTag(0x2381b151 /* tag_961fr */),
async() =>
{
try
{
if (deleteTrigger)
{
await DeleteTriggerAsync(dbId, collectionId, trigger.Id).ConfigureAwait(false);
}
Trigger tr = client.CreateTriggerQuery(colUri).Where(t => t.Id == trigger.Id).AsEnumerable().FirstOrDefault();
if (tr != null)
{
return tr;
}
return await client.CreateTriggerAsync(colUri, trigger).ConfigureAwait(false);
}
catch (DocumentClientException ex)
{
if (ex.StatusCode != HttpStatusCode.Conflict)
{
throw;
}
return client.CreateTriggerQuery(colUri)
.Where(p => p.Id == trigger.Id).AsEnumerable().FirstOrDefault();
}
}));
}
private static async Task <Trigger> CreateTrigger(
IDocumentClient client,
string triggerId,
string triggerBody,
TriggerType triggerType,
TriggerOperation triggerOperation)
{
Trigger triggerDefinition = new Trigger
{
Id = triggerId,
Body = triggerBody,
TriggerType = triggerType,
TriggerOperation = triggerOperation
};
ResourceResponse <Trigger> result = await client.CreateTriggerAsync(MyStoreCollectionUri, triggerDefinition);
Trigger trigger = result.Resource;
Console.WriteLine($" Created trigger {trigger.Id}; RID: {trigger.ResourceId}");
return(trigger);
}