[FEAT]: Send sms endpoint

[EmmanuelOmoiya]

Description

Endpoint to send sms to a customer or user.

Acceptance Criteria

• The endpoint should be accesible at /api/v1/sms/send.

• The endpoint should accept HTTP POST requests.

• The endpoint should be secured to ensure that only a user with an admin role.

• Proper authentication mechanisms (e.g. JWT, OAuth2) should be implemented.

• Requests to the endpoint must include a valid authentication token in the Authorization header. Authorization: Bearer <token>

• Request body

  {
      "message": "Hey there, how are you doing",
      "recipient": "+2347043738436",
  }

• Response (Success)

  {
     "status_code": "200",
     "message": "Sms sending request accepted and is being proccessed",
     "error": "",
  }

• Response (Error)

  {
      "status_code": 401,
      "message": "Unauthorized",
      "error": "Bad Request"
  }

  Internal Server Error

  {
      "status_code": 500,
      "message": "Internal server error",
      "error": "Bad Request"
  }

Purpose

To send sms to a customer / user.

Requirements

• User must be authenticated thereby having a Authoirization: Bearer <token> header in the request body
• User must have the role of an admin
• User account must be active

Expected Outcome

• A response with status_code of 200 and message of "Sms sending request accepted and is being proccessed"

Testing

1. Unit Tests
   The system should have unit tests covering:

• Ensure the request body has the right properties and the value are of the right type
• Test that the appropriate response and status code is returned