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Karim Hamidou 683a550d49 [feat] Add support for send later 
Summary:
Finally, here it is! Send later, with support for open tracking but without support for attachments yet. It took me some time to find the right way to do things.

**The send later dilemna**

There's two ways we could handle send later:
1. do everything on the client
2. process the message in the cloud

1. is very tempting because it would make the cloud server very simple. Unfortunately, it has some serious limitations, for example, setting the "Date" message header. That's why I chose to go with 2. When a user presses the "Send Later" button, we save the open/link tracking metadata and fills in all the required fields. I added a custom endpoint to the K2 API to do this, `/drafts/build`. After that, we save the JSON contents of the message as metadata.

When we process metadata, we simply create a MIME message from the JSON and send it.

**Limitations**

Right now, send later doesn't support and attachments. There's also some minor code duplication which needs to be refactored away.

Test Plan: Tested manually. Checked that regular send still worked, too.

Reviewers: mark, spang, halla, juan, evan

Reviewed By: evan

Differential Revision: https://phab.nylas.com/D4054
2017-03-07 16:06:30 -08:00
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package.json
README.md [*] update and add READMEs to each package 2017-02-17 17:28:09 -08:00

README.md

Client Sync

This is the mail sync engine that runs within the Nylas Mail client

It is symlinked in as an internal_package of Nylas Mail via the postinstall script of the root repo.

Important Usage Notes:

Since this is symlinked in as an internal_package of Nylas Mail, there are a handulf of considerations when developing in client-sync. Some common gotchas:

  • You MAY use NylasEnv, NylasExports and other injected libraries in the Nylas Mail client environment.
  • You MAY use any 3rd party library declared in client-app/package.json. Since this gets added as a plugin of the Nylas Mail client, you'll have access to all libraries. This works because the client-app/node_modules was added to the global require paths. That lets us access client-app plugins without being a file directory decendent of client-app (client-sync is now a sibling of client-app)
  • You may NOT add "dependencies" to the client-sync/package.json. If you need a 3rd party library, add it to the main client-app/package.json. All Nylas Mail plugins (those inside of internal_packages), may no longer declare their own dependencies.
  • You should be aggressive at moving generic mail methods to isomorphic-core. We may eventually want to make large chunks of client-sync work in a cloud environment as well.