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We use the sqlite databases in ~/Library/Application Support/AddressBook to try and guess names of message senders.

Right now, we only use the first database we find in Sources/ but we should expand the search to include all available databases including the local database (~/Library/Application Support/AddressBook/AddressBook-v22.abcddb).

The extractor uses the LocalContacts module to try and infer information about a user's icloud account and phone number (via local Address Book sqlite dbs). If these details can't be found and no options are passed in manually (via my_phone_number setting, etc), the extractor should raise an exception instead of crashing.

This was encountered by @wongjustin99 in #chronicle-etl/33:

Beginning job
/Users/goose/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/chronicle-imessage-0.2.3/lib/chronicle/imessage/imessage_extractor.rb:61:in `load_my_phone_contact': undefined method `fetch' for nil:NilClass (NoMethodError)

          phone_number: @config.my_phone_number || local_contacts.my_phone_contact.fetch(:phone_number),
                                                                                  ^^^^^^
        from /Users/goose/.rbenv/versions/3.1.1/lib/ruby/gems/3.1.0/gems/chronicle-imessage-0.2.3/lib/chronicle/imessage/imessage_extractor.rb:51:in `prepare_data'

To bring it inline with other importers

Currently, ImessageTransformer needs config passed in to build your own name/number. Ideally, we need a more automated way of determining this information.

For iCloud, we can use what we did with Safari to detect currently logged in iCloud account: https://github.com/chronicle-app/chronicle-safari/blob/0252fab1d882bd3b491059ccec61610721b33653/lib/chronicle/safari/safari_extractor.rb#L44.

For SMS, we still need would need an automated way to determine your own phone number. It should be possible to find in chat.db but needs more sleuthing.

The name/phone settings should still exist as an override in case you're extracting from a chat db that's not associated with your logged in iCloud account.