Hi Ian, 2011/11/5 Ian Walls <ian.wa...@bywatersolutions.com>
> > Am I being crazy? Is this a valid issue? Are the advantages of being > able to talk to more external products greater than the risks of a few > specific company's products getting hardcoded into our ILS? > The point is well taken. However, I tend to think that if we were to isolate the unique code for external product Z to something like C4::ExternalServices::Z. and the database fields unique to a new table Z, this would sort of quarantine any "undesirable" aspects of product Z. The installation of the schema for table Z could be triggered by both a choice in the installer or the running of an separate install script (install_z) later by the sys-admin. The installer would simply call install_z if the choice was made at install time. install_z would recognize that the db was populated (if this were a later addition) and handle any db housework accordingly. Furthering this thought of convenient abstraction, we could have C4::ExternalServices which would provide basic API between Koha and the various C4::ExternalServices::FOO modules. Whatever way we take, quarantining/abstraction should help keep your "fear" from being realized. Kind Regards, Chris
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