New Messages API Features

[SecondeJK]

This PR provides parity with new Messages API features.

Description

webhook_url and webhook_version have been added to all Messages API Objects sms property added to outbound SMS text objects, containing encoding_type, content_id, entity_id and ttl MMS vCard now has caption WhatsApp File object now has name

Fixed the Viber Video object which was missing the viber_service object, but now has mandatory duration and file_size keys

Motivation and Context

Parity with Vonage APIs

How Has This Been Tested?

Existing tests have been modified

Example Output or Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [x] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[SecondeJK]

@superchilled That's true: you could actually send a file object with the caption for Viber - the way it works is with default values so that it's up to the user to populate the object correctly.

As the channels become more complex, I might introduce a validation set of classes. I don't want to extend the file objects for every channel - there's already more objects than I'd like. But with a validator, it could decorate them to say "you've done it wrong"

[superchilled]

@superchilled That's true: you could actually send a file object with the caption for Viber - the way it works is with default values so that it's up to the user to populate the object correctly.

As the channels become more complex, I might introduce a validation set of classes. I don't want to extend the file objects for every channel - there's already more objects than I'd like. But with a validator, it could decorate them to say "you've done it wrong"

Thanks Jim. That makes sense! :)