public static void Run([ServiceBusTrigger("scmtopic", "scmcontactsearch", Connection = "ServiceBusConnectionString", IsSessionsEnabled = true)] ContactMessage msg, ILogger log, ExecutionContext context)
{
_context = context;
ServiceProvider.GetRequiredService <ContactIndexerProcessor>().Process(msg).GetAwaiter().GetResult();
log.LogInformation($"C# ServiceBus topic trigger function processed message: {msg.EventType}");
}
public static bool IsAddedMessage(this ContactMessage msg)
{
return(msg.EventType == "ContactAddedEvent");
}
public async Task Process(ContactMessage msg)
{
var client = new SearchServiceClient(_options.ServiceName, new SearchCredentials(_options.AdminApiKey));
// try to create index once
if (!_indexExists)
{
lock (_syncRoot)
{
if (!_indexExists)
{
if (!client.Indexes.ExistsAsync(_options.IndexName).Result)
{
var definition = new Index()
{
Name = _options.IndexName,
Fields = FieldBuilder.BuildForType <Contact>(new DefaultContractResolver()
{
NamingStrategy = new JsonLowercaseNamingStrategy()
})
};
client.Indexes.CreateAsync(definition).Wait();
}
_indexExists = true;
}
}
}
var action = default(IndexAction <Contact>);
if (msg.IsAddedMessage())
{
action = IndexAction.Upload(_mapper.Value.Map <Contact>(msg));
}
else if (msg.IsChangedMessage())
{
action = IndexAction.MergeOrUpload(_mapper.Value.Map <Contact>(msg));
}
else if (msg.IsDeletedMessage())
{
action = IndexAction.Delete(_mapper.Value.Map <Contact>(msg));
}
else
{
throw new InvalidOperationException($"Meesage type {msg.EventType} not supported.");
}
try
{
var indexClient = client.Indexes.GetClient(_options.IndexName);
indexClient.DeserializationSettings.ContractResolver = new DefaultContractResolver()
{
NamingStrategy = new JsonLowercaseNamingStrategy()
};
await indexClient.Documents.IndexAsync(IndexBatch.New(new[] { action }));
}
catch (IndexBatchException)
{
}
await Task.Delay(0);
}
