```ruby
class Pick < ApplicationRecord
  include EnclosureMark
  belongs_to :enclosure , counter_cache: :pick_count, touch: true
  belongs_to :container , class_name: "Enclosure", foreign_key: "container_id"

  scope :pick_count, -> {
    group(:enclosure_id).order('count_container_id DESC').count('container_id')
  }

end
```

Customize Pick stream scopes: Join enclosures table on `container_id`
user
```ruby
class Pick < ApplicationRecord
  include EnclosureMark
  belongs_to :enclosure , counter_cache: :pick_count, touch: true
  belongs_to :container , class_name: "Enclosure", foreign_key: "container_id"

  scope :pick_count, -> {
    group(:enclosure_id).order('count_container_id DESC').count('container_id')
  }

  scope :feed, -> (feed) {
    joins(container: :entries).where(entries: { feed_id: feed.id })
  }
  scope :keyword, -> (keyword) {
    joins(container: { entries: :keywords })
      .where(keywords: { id: keyword.id })
  }
  scope :tag, -> (tag) {
    joins(container: { entries: :tags }).where(tags: { id: tag.id })
  }
  scope :topic,      -> (topic)    {
    joins(container: { entries: { feed: :topics }})
      .where(topics: { id: topic.id })
  }
  scope :category, -> (category) {
    joins(container: { entries: { feed: { subscriptions: :categories }}})
      .where(categories: { id: category.id })
  }
  scope :issue, -> (issue) {
    joins(container: { entries: :issues }).where(issues: { id: issue.id })
  }
end
```
assistant