I'm posting this as a reference for other users, and will submit a pull
request for the docs.
I've discovered that if you have repeated transitions in a lifecycle, the
FIRST variation of a specific transition dictates whether *params* will be
available for subsequent versions of the *same* transition.
For example: Given these two variations of a transition (available to
different users), the [:comments] param on the second variation is actually
NOT available to the transition.
transition :reject, {:submitted => :rejected},
:available_to => 'acting_user if (acting_user.administrator? ||
acting_user.officer?)' do
transition :reject, {:in_review => :rejected}, :params => [:comments],
:available_to => 'acting_user if (acting_user.administrator?)' do
For the second variation to support the param, it needs to be listed first
in the lifecycle, as follows:
transition :reject, {:in_review => :rejected}, :params => [:comments],
:available_to => 'acting_user if (acting_user.administrator?)' do
transition :reject, {:submitted => :rejected},
:available_to => 'acting_user if (acting_user.administrator? ||
acting_user.officer?)' do
In my case, I was depending on the :comments field to appear within a form
as follows:
<call-tag tag="#{transition}-form">
<field-list:>
<comments-view:>
<text-area class="no-ckeditor"/>
</comments-view:>
</field-list:>
<actions: replace></actions:>
</call-tag>
but it will only appear if it's listed on the first variation.
Alternatively, if these two variations of the transition were made
available to the same users, their ":from" transitions could be combined in
an array:
transition :reject, { [:submitted, :in_review] => :rejected}, :params
=> [:comments],
:available_to => 'acting_user if (acting_user.administrator? ||
acting_user.officer?)' do
A subtle anomaly that tripped me up briefly.
Tim
Tim
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