public static async Task <HttpResponseMessage> Run([HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = "Customers/{customerId}/Interactions/{interactionId}/WebChats")] HttpRequestMessage req, ILogger log, string customerId, string interactionId,
                                                           [Inject] IResourceHelper resourceHelper,
                                                           [Inject] IHttpRequestMessageHelper httpRequestMessageHelper,
                                                           [Inject] IGetWebChatHttpTriggerService webChatGetService)

        {
            var touchpointId = httpRequestMessageHelper.GetTouchpointId(req);

            if (string.IsNullOrEmpty(touchpointId))
            {
                log.LogInformation("Unable to locate 'TouchpointId' in request header.");
                return(HttpResponseMessageHelper.BadRequest());
            }

            log.LogInformation("Get Web Chat C# HTTP trigger function processed a request. By Touchpoint. " + touchpointId);

            if (!Guid.TryParse(customerId, out var customerGuid))
            {
                return(HttpResponseMessageHelper.BadRequest(customerGuid));
            }

            if (!Guid.TryParse(interactionId, out var interactionGuid))
            {
                return(HttpResponseMessageHelper.BadRequest(interactionGuid));
            }

            var doesCustomerExist = await resourceHelper.DoesCustomerExist(customerGuid);

            if (!doesCustomerExist)
            {
                return(HttpResponseMessageHelper.NoContent(customerGuid));
            }

            var doesInteractionExist = resourceHelper.DoesInteractionResourceExistAndBelongToCustomer(interactionGuid, customerGuid);

            if (!doesInteractionExist)
            {
                return(HttpResponseMessageHelper.NoContent(interactionGuid));
            }

            var webChats = await webChatGetService.GetWebChatsForCustomerAsync(customerGuid, interactionGuid);

            return(webChats == null?
                   HttpResponseMessageHelper.NoContent(customerGuid) :
                       HttpResponseMessageHelper.Ok(JsonHelper.SerializeObjects(webChats)));
        }
        public void Setup()
        {
            _request = new HttpRequestMessage()
            {
                Content    = new StringContent(string.Empty),
                RequestUri =
                    new Uri($"http://localhost:7071/api/Customers/7E467BDB-213F-407A-B86A-1954053D3C24/WebChats" +
                            $"Customers/7E467BDB-213F-407A-B86A-1954053D3C24/" +
                            $"Interactions/1e1a555c-9633-4e12-ab28-09ed60d51cb3/" +
                            $"WebChats")
            };

            _log            = Substitute.For <ILogger>();
            _resourceHelper = Substitute.For <IResourceHelper>();
            _getWebChatHttpTriggerService = Substitute.For <IGetWebChatHttpTriggerService>();
            _httpRequestMessageHelper     = Substitute.For <IHttpRequestMessageHelper>();
            _httpRequestMessageHelper.GetTouchpointId(_request).Returns("0000000001");
        }