Integrate Vtiger with Amazon SQS

Vtiger is an open source CRM that can be integrated with Amazon Simple Queue Service (Amazon SQS. Amazon SQS is a web service hosted by Amazon on the Internet. This integration is beneficial as Vtiger can send/receive messages with other applications through Amazon SQS. By doing this integration, it gives Vtiger the ability to send instant message to other applications such as a notification system. The fplowing diagram shows the integration between Vtiger and Amazon SQS:

Figure 1. Integration of Vtiger and Amazon SQS

Integration of Vtiger and Amazon SQS

Vtiger has an API that enables users to automate tasks or retrieve data from or to be sent to Vtiger through HTTP requests. This API is based on SOAP protocp. To connect Vtiger with Amazon SQS, you need to create a queue for each user in Amazon SQS, which requires a queue URL. The queue URL can be retrieved by making a request to <your-queue>.queue.amazonaws.com . After obtaining the queue URL, you can use it to connect Vtiger with Amazon SQS. To do this, you have to call the method “vtigercrm_set_updates_queue” in your code. This method takes two parameters, “queue_url” being the first parameter, and “callback_url” being the second parameter. When you call “vtigercrm_set_updates_queue”, it will automatically recognize if the queue exists or not. If it does not exist, then it will create a queue. Then, after creating the queue, it will call back to “callback_url” with a JSON value of “{“success”:true}” if the queue was created successfully. If the queue was not created successfully, then it will return “{“success”:false}”. After your code gets back “{“success”:true}”, you can continue with adding messages to your queue by calling “vtigercrm_post_messages”, which takes three parameters. “queue_url”, “messages”, and “callback_url”. The JSON value for the third parameter should be “true” because Vtiger expects your callbacks to be made asynchronously. It returns a status message in JSON format if your message was saved successfully. This method also takes care of retries at no additional cost. In addition to asynchronous calls, you can also make synchronous calls to add messages to your queue by calling “vtigercrm_send_message” with three parameters. “queue_url”, “message”, and “callback_url”. After this call is made, Vtiger will immediately call back to “callback_url” with a JSON value of “{“success”:true}” if the message was saved successfully. If the message was not saved successfully, then it will return a failure message in JSON format saying why it failed.

Benefits of Integration of Vtiger and Amazon SQS

The fplowing table presents benefits of integrating Vtiger with Amazon SQS:

Benefits Response time Low latency High scalability Reliability Reliability Security Confidentiality/Data integrity Latency With integration of Vtiger and Amazon SQS, response time will be low since there is no need to wait on an email server or another database before handling a message; this is true even if the queue is backed up with thousands of messages. Asynchronous processing Since messages are queued up and processed concurrently, there is no limit on how many tasks can be handled simultaneously across multiple servers or machines. Efficiency For example, if an application can only handle 2,000 messages per minute but is receiving more than 2,000 messages per minute, then there will be unnecessary activity for no benefit. With a queue system like Amazon SQS, you can scale easily by simply adding more instances/workers as needed.

Integration of Vtiger and Amazon SQS gives Vtiger the ability to send instant message to other applications such as a notification system through Amazon SQS. This integration is beneficial because it gives Vtiger the ability to send instant message to other applications such as a notification system through Amazon SQS.

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