protected override async Task <WorkflowResult> LaunchWorkflow(ProvisioningConfiguration configuration, ConsumeContext <RepresentationAddedEvent> context)
{
using (var httpClient = new HttpClient())
{
var processInstanceId = await CreateProcessInstance(configuration, httpClient);
await LaunchProcessInstance(processInstanceId, configuration, httpClient);
await RaiseEvent(processInstanceId, configuration, context, httpClient);
return(new WorkflowResult(processInstanceId, configuration.GetBpmnFileId()));
}
}
private async Task <string> CreateProcessInstance(ProvisioningConfiguration configuration, HttpClient httpClient)
{
var content = new JObject();
content.Add("processFileId", configuration.GetBpmnFileId());
var request = new HttpRequestMessage
{
RequestUri = new Uri($"{configuration.GetBpmnEndpoint()}/processinstances"),
Method = HttpMethod.Post,
Content = new StringContent(content.ToString(), Encoding.UTF8, "application/json")
};
var httpResult = await httpClient.SendAsync(request);
httpResult.EnsureSuccessStatusCode();
var str = await httpResult.Content.ReadAsStringAsync();
return(JObject.Parse(str).SelectToken("content[0].id").ToString());
}
