CODEWITHSUNDEEP
ruby-on-railsactiverecord
quantumpotato
quantumpotato

Reputation: 9767

Undefined method on custom has_many with source

Run.rb:
  has_many :schedule_machines, through: :schedule_locations

Schedule.rb:
  has_many :schedule_locations, dependent: :destroy
  has_many :schedule_machines, through: :schedule_locations
  has_many :assigned_schedule_machines, through: :runs, source: :schedule_machines
  has_many :runs, dependent: :destroy

when I look at a Schedule in the console, 

schedule.assigned_schedule_machines

gives an undefined method.

How come?

Upvotes: 1

Views: 43

Answers (1)

Jesse Wolgamott
Jesse Wolgamott

Reputation: 40277

has_many :runs, dependent: :destroy
has_many :assigned_schedule_machines, through: :runs, source: :schedule_machines

You need to order the "runs" first. The assigned_schedule wants to use runs; but in your original code the runs wasn't defined yet.

Upvotes: 3

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