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SMS Microservice

The SMS Microservice is a simple microservice that acts as a wrapper around the API for a third-party SMS service. It listens for SendSms commands on a message queue, sends an HTTP request to the third-party SMS service, and then publishes an SmsSent event to a global event bus upon successful SMS delivery.

How to Build and Run the Application

  1. Download the Files:

  2. Open the solution file:

    • Navigate to the SMSMicroservice directory.
    • Open the SMSMicroservice.sln solution file in Visual Studio.

  3. Build the solution:

    • Build the solution by clicking on the "Build" menu and selecting "Build Solution", or by pressing Ctrl+Shift+B.

  4. Run the application:

    • Open the Program.cs file in the SMSMicroservice project.
    • Run the Main method.

How to Run Tests

  1. Open the solution file:

    • Navigate to the SMSMicroservice directory.
    • Open the SMSMicroservice.sln solution file in Visual Studio.

  2. Run the tests:

    • Open the Test Explorer window by clicking on "Test" > "Test Explorer" from the top menu.
    • Run all tests by clicking on "Run All" in the Test Explorer window.

Additional Information

Components Used

  • IMessageQueue: Interface for the message queue.
  • IEventBus: Interface for the event bus.
  • ILogger: Interface for the logger.
  • MessageQueue: Concrete implementation of IMessageQueue.
  • EventBus: Concrete implementation of IEventBus.
  • ConsoleLogger: Concrete implementation of ILogger.
  • SendSmsCommand: Command class for sending SMS.
  • SmsSentEvent: Event class for successful SMS delivery.

Features

  • Asynchronous message-based communication.
  • Reliable SMS delivery using an async flow.
  • Basic error handling and logging.

Next Steps

  • Implement concrete implementations for the message queue, event bus, and logger.
  • Write more extensive tests for the application logic.
  • Implement retry logic for failed SMS deliveries.
  • Improve error handling to handle edge cases and ensure graceful degradation.