Yes, you can import the info from Facebook above as mentioned. However, we don't have a profile plugin for Fabrikar. We support Joomla's built in profile plugin, JomSocial, EasySocial, K2, Kunena and a few others, with more on the way.1. what data is available from FB which we can map to our additional user fields, and is it possible to get those information automatically mapped by your extension
The best would be to create your own Profile Plugin to import the data. A small plugin to just import data is about 30 lines of new code to setup which field can be imported into and how to save the data.2. if not, do you provide plugin events at which we would be able to intercept and create / modify the user based on our need and to which you supply the FB data?
Creating your own Profile Plugin . That doc should get you going. Using an already created plugin from our package will also make things much simpler to understand.3. if so, can you point me to your documentation for this or provide me a snippet where this takes place?
No, phone number is not available from Facebook at all. That's a restriction from them. You can get phone number from LinkedIn and VK, I believe.4. i do understand that we are going to have issues with our username policy (we require it to be the mobile number) as not all users have their mobile number tied to their FB account. But the question is in those cases users have those numbers tied to their FB account, is it the case that we can get it along with other FB user data in the plugin event?
Yup. If you're using the JFBConnect registration flow, you can show additional fields by setting up your Profile Plugin properly.5. as part of the registration process, is it possible to ask the registering user some additional questions such as mobile number (if that is not possible to get another way)
There are easy ways for a user to connect their existing Joomla account to a Facebook account. They can do that after they login to your site and click Facebook to make the connection or you can configure JFBConnect to automatically link users that are connecting by their email address. So, if they login with Facebook and their FB email address is already associated to a Joomla user, that connection will be made automatically.6. the pilot went on a bit longer and we already have amassed over 11000 users registered and is wondering how we would deal with those users in order to tie their account with their resp. FB account?
JFBConnect is meant to work with existing sites by providing multiple ways to let users login with their social networking account and connect it to an existing account. Since you'll need to use a form-based registration, our "Registration" page also includes a "Login" section where a user can login to an existing account *or* choose to register a new account.7. given your understanding of our situation and your experience what would you say is best practice approach in order for us to provide a seamless user experience, because we truly wouldn't want to loose our precious users right at the gate by having the slightest of complication
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