示例#1
0
        public static async Task <IActionResult> RunAsync([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequestMessage req, TraceWriter log)
        {
            string requestContent = await req.Content.ReadAsStringAsync();

            if (string.IsNullOrWhiteSpace(requestContent))
            {
                return(new BadRequestObjectResult("Empty content is given"));
            }

            var eventGridSubscriber = new TraceableEventGridSubscriber();

            eventGridSubscriber.AddOrUpdateCustomEventMapping(typeof(MessagesEventReply).FullName, typeof(MessagesEventReply));
            var eventGridEvents = eventGridSubscriber.DeserializeEventGridEvents(requestContent).ToList();

            var subscriptionValidationEvent =
                eventGridEvents.FirstOrDefault(x => x.Data is SubscriptionValidationEventData);

            if (subscriptionValidationEvent != null)
            {
                var eventData = (SubscriptionValidationEventData)subscriptionValidationEvent.Data;
                log.Info($"Got SubscriptionValidation event data, validationCode: {eventData.ValidationCode},  validationUrl: {eventData.ValidationUrl}, topic: {subscriptionValidationEvent.Topic}");

                return(new OkObjectResult(new SubscriptionValidationResponse
                {
                    ValidationResponse = eventData.ValidationCode
                }));
            }

            var eventGridEndpoint    = Environment.GetEnvironmentVariable("EventGridTopicEndpoint", EnvironmentVariableTarget.Process);
            var eventGridKey         = Environment.GetEnvironmentVariable("EventGridTopicKey", EnvironmentVariableTarget.Process);
            var storageConnectString =
                Environment.GetEnvironmentVariable("AzureStorageConnectionString", EnvironmentVariableTarget.Process);

            if (string.IsNullOrWhiteSpace(eventGridEndpoint) || string.IsNullOrWhiteSpace(eventGridKey) || string.IsNullOrWhiteSpace(storageConnectString))
            {
                throw new Exception(
                          "Lacks of Environment Variable: 'EventGridTopicEndpoint' or 'EventGridTopicKey' or 'AzureStorageConnectionString'");
            }

            var cachedConfig = new ConcurrentDictionary <string, LineMessagingApiConfig>();

            Parallel.ForEach(eventGridEvents, eventGridEvent =>
            {
                try
                {
                    var traceableEventData = (TraceableEventData)eventGridEvent.Data;
                    if (traceableEventData.Data is MessagesEventReply messagesEventReply)
                    {
                        if (!cachedConfig.TryGetValue(messagesEventReply.ChannelId, out LineMessagingApiConfig config))
                        {
                            var azureTableHelper = new AzureTableHelper <LineMessagingApiConfig>(
                                storageConnectString,
                                "LineMessagingApiConfigs");
                            config = azureTableHelper.Select($"ibo-line-{messagesEventReply.ChannelId}", "channel-config");
                            if (!cachedConfig.TryAdd(messagesEventReply.ChannelId, config))
                            {
                                log.Warning("Failed to cached line config");
                            }
                        }

                        Parallel.ForEach(messagesEventReply.MessageReplys, async messageReply =>
                        {
                            var sendMessage = SendMessageConverter.ConvertToISendMessages(messageReply, log);
                            var lineClient  = new LineMessagingClient(config.ChannelAccessToken);
                            try
                            {
                                await lineClient.PushMessageAsync(
                                    messageReply.LineId,
                                    new List <ISendMessage>
                                {
                                    sendMessage
                                }
                                    );
                            }
                            catch (Exception ex)
                            {
                                log.Warning(ex.ToString());
                            }
                        });
                    }
                }
                catch (Exception ex)
                {
                    log.Warning(ex.ToString());
                }
            });

            return(new OkObjectResult("Ok"));
        }
示例#2
0
        public static async Task <IActionResult> RunAsync([HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequestMessage req, TraceWriter log)
        {
            string requestContent = await req.Content.ReadAsStringAsync();

            if (string.IsNullOrWhiteSpace(requestContent))
            {
                return(new BadRequestObjectResult("Empty content is given"));
            }

            var eventGridSubscriber = new TraceableEventGridSubscriber();

            eventGridSubscriber.AddOrUpdateCustomEventMapping(typeof(MessagesEventReply).FullName, typeof(MessagesEventReply));
            var eventGridEvents = eventGridSubscriber.DeserializeEventGridEvents(requestContent).ToList();

            var subscriptionValidationEvent =
                eventGridEvents.FirstOrDefault(x => x.Data is SubscriptionValidationEventData);

            if (subscriptionValidationEvent != null)
            {
                var eventData = (SubscriptionValidationEventData)subscriptionValidationEvent.Data;
                log.Info($"Got SubscriptionValidation event data, validationCode: {eventData.ValidationCode},  validationUrl: {eventData.ValidationUrl}, topic: {subscriptionValidationEvent.Topic}");

                return(new OkObjectResult(new SubscriptionValidationResponse
                {
                    ValidationResponse = eventData.ValidationCode
                }));
            }

            var eventGridEndpoint     = Environment.GetEnvironmentVariable("EventGridTopicEndpoint", EnvironmentVariableTarget.Process);
            var eventGridKey          = Environment.GetEnvironmentVariable("EventGridTopicKey", EnvironmentVariableTarget.Process);
            var redisConnectionString = Environment.GetEnvironmentVariable("RedisConnectionString", EnvironmentVariableTarget.Process);

            if (string.IsNullOrWhiteSpace(eventGridEndpoint) || string.IsNullOrWhiteSpace(eventGridKey) || string.IsNullOrWhiteSpace(redisConnectionString))
            {
                throw new Exception(
                          "Lacks of Environment Variable: 'EventGridTopicEndpoint' or 'EventGridTopicKey' or 'RedisConnectionString'");
            }

            Parallel.ForEach(eventGridEvents, eventGridEvent =>
            {
                try
                {
                    var traceableEventData = (TraceableEventData)eventGridEvent.Data;

                    if (traceableEventData.Data is MessagesEventReply messagesEventReply)
                    {
                        var redisHelper  = new AzureRedisHelper(redisConnectionString);
                        var configString = redisHelper.GetRedis(traceableEventData.TraceToken) ??
                                           throw new Exception($"Get empty serialized LineMessagingApiConfig string with key '{traceableEventData.TraceToken}'");
                        var config = JsonConvert.DeserializeObject <LineMessagingApiConfig>(configString) ??
                                     throw new Exception($"Failed to deserialize LineMessagingApiConfig string with '{configString}'");

                        Parallel.ForEach(messagesEventReply.MessageReplys.GroupBy(x => x.ReplyToken), messageReplyGroupByReplyToken =>
                        {
                            var sendMessages = messageReplyGroupByReplyToken.Select(messageReply => SendMessageConverter.ConvertToISendMessages(messageReply, log)).ToList();
                            var lineId       = messageReplyGroupByReplyToken.First().LineId;
                            var lineClient   = new LineMessagingClient(config.ChannelAccessToken);
                            try
                            {
                                lineClient.ReplyMessageAsync(
                                    messageReplyGroupByReplyToken.Key,
                                    sendMessages
                                    ).GetAwaiter().GetResult();
                            }
                            catch (LineResponseException ex)
                            {
                                log.Warning(ex.ToString());
                                try
                                {
                                    lineClient.PushMessageAsync(
                                        lineId,
                                        sendMessages
                                        ).GetAwaiter().GetResult();
                                }
                                catch (Exception exi)
                                {
                                    log.Warning(exi.ToString());
                                }
                            }
                            catch (Exception ex)
                            {
                                log.Warning(ex.ToString());
                            }
                        });
                    }
                }
                catch (Exception ex)
                {
                    log.Error(ex.ToString());
                }
            });

            return(new OkObjectResult("Ok"));
        }