Quee WM wrote:
> I plan on writing a helper function which will be able to take the id
> for the new record and return the link.
Using a "helper" function implies that the coding will trigger as the
template is being rendered. If this is the case, you don't need an entry
in the database. Just write the helper to use the item id to look up the
item and generate the link from the item information.
However, if the link/URL is needed elsewhere (perhaps outside the Rails
app) and therefore needs to be stored in the database, then I'd suggest
you just create an extra field (bit_ly_url perhaps). This is assuming
that each vehicle has a unique URL.
As for the code that generates the URL - I'd create a custom ruby class
to do that. Put the code in the lib folder.
So for example, say you create a class CreateURL with a class method of
bit_ly_for_vehicle, you can then create a vehicle instance method to
call the CreateURL method and this can be triggered via a call back
(e.g. before_save)
So
class Vehicle < ActiveRecord::Base
before_save update_bit_ly_url
def update_bit_ly_url
bit_ly_url = CreateURL.bit_ly_for_vehicle(self.id)
end
end
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