How to build a webapp that works offline and is able to sync with a webserver?

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I'd like to develop a webapp with simple functionality:

• Create an account (registration, login, logout)


• Task-Management (CRUD)

The requirements are:

• works offline


• Sync (manually and autom.) with webserver


• access the functionality via webbrowser via API (e.g. for dead zones)

My current plan (prefered technologies):

• Webserver with PHP/MySQL


• Symfony to build a stable infrastructure (Entities, FOSUserBundle, etc.), running on the webserver


• Bootstrap 3 to build a responsive design


• AngularJS for interaction


• Cordova/PhoneGap to be able build the app for different operating systems


• Store the data local with CouchDB

But

• How to sync the local stored data via an (REST-)API with the webservers MySQL? (As "easy" as possible and preferably without redefining the entire db-structure)

It's a wide topic, sorry for that. I'm looking for best-practices and common solutions in the jungle of great libraries and many possibilities.

If you've improvement suggestion regarding my current plan, feel free to tell me your choice.

Thanks a lot in advance!

B.

asked 21 secs ago

Mr. B.

1,415

How to build a webapp that works offline and is able to sync with a webserver?