gistfile1.txt

@events = @entry.related_events

scope :related_events,  -> { joins(:related_entries).where(type_id: 4)

has_and_belongs_to_many :related_entries,
  class_name: "Entry",
  join_table: "related_entries",
  association_foreign_key: "other_entry_id"


#this works
@events = @entry.related_entries.where(type_id: 4)

#this doesnt
@events = @entry.related_events

undefined method `related_events' for #<Entry:0x00007fa6d988d768> Did you mean? related_entries

class Entry
  has_and_belongs_to_many :related_entries,
    class_name: "Entry",
    join_table: "related_entries",
    association_foreign_key: "other_entry_id"

  scope :events, -> { where(type_id: 4) }

  def related_events
    related_entries.events
  end
end

@events = @entry.related_events