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Rails 4, phantom ArgumentError: wrong number of arguments (0 for 1) on UserSession.find for AuthLogic
This was a total pain to locate, as the exceptions being raised were pointed to UserSession.find in Authlogic::Session::Persistence. gems in question: activerecord-session_store 0.1.1 authlogic 3.4.6 activerecord 4.2.3 rails 4.2.3 I noticed that the only meaningful difference between the two environments was the following instance variable in Rails.application.config: irb> pp Rails.application.config . . . @logger= #…
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has_many :through, scoped to a value on the other side of the :through relationship
Here goes another round of wrapping my head around what rails associations are looking for. This time, I’m trying to scope a collection on the other side of a has_many :through to an attribute on that model. Contrived exhibit A: class Gym < ActiveRecord::Base # gym has a boolean "open" end class TrainerGym < ActiveRecord::Base…
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Conditions on a has_many :through and ActiveRecord 4.1 enum
Say you have a set of models (model names sanitized for generic posting) where the join table in the middle of a has_many :through has an enum that you want to add a filtered association for. class Student < ActiveRecord::Base has_many :student_grades has_many :grades, through: :student_grades end class StudentGrade < ActiveRecord::Base enum approval_status: [:not_reviewed, :rejected,…