[buddypress-trac] [BuddyPress Trac] #6921: Maybe introduce PHP Mustache parser for email templates

[buddypress-trac]

#6921: Maybe introduce PHP Mustache parser for email templates
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 Reporter:  Paul Gibbs      |       Owner:  (none)
     Type:  enhancement     |      Status:  reopened
 Priority:  normal          |   Milestone:  Up Next
Component:  Emails          |     Version:  2.5.0
 Severity:  normal          |  Resolution:
 Keywords:  trac-tidy-2018  |
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Comment (by Paul Gibbs):

 I've done a partial refresh of the old patch, just to get something on the
 table. It is not tested at all, might even have typos.

 Looking at the old original patch, the `bp_is_user_active()` change, as
 well as the tweak  in `bp_email_set_default_tokens()`, seem unnecessary to
 be mixed in with this patch. We should just not send email to a spammed
 user? (not sure if handle that already or not) Either way, not in scope
 for this ticket. So I left it out.

 On the token replacement, we need to check if the library supports
 callable values for tokens, otherwise we need to resolve those first.

 We might also want to consider caching the compiled templates in object
 cache (I am concerned about these getting too large, but if they're only a
 few KB, it's acceptable. I don't know if caching these would help from a
 performance perspective enough to be worth the trade-off).

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Ticket URL: <https://buddypress.trac.wordpress.org/ticket/6921#comment:7>
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