docbrown/app/models/profile_pin.rb
2019-07-22 12:56:48 -04:00

21 lines
852 B
Ruby

class ProfilePin < ApplicationRecord
belongs_to :pinnable, polymorphic: true
belongs_to :profile, polymorphic: true
validates :profile_id, presence: true
validates :profile_type, inclusion: { in: %w[User] } # Future could be organization, tag, etc.
validates :pinnable_id, presence: true, uniqueness: { scope: %i[profile_id profile_type pinnable_type] }
validates :pinnable_type, inclusion: { in: %w[Article] } # Future could be comments, etc.
validate :only_five_pins_per_profile, on: :create
validate :pinnable_belongs_to_profile
private
def only_five_pins_per_profile
errors.add(:base, "cannot have more than five total pinned posts") if profile.profile_pins.size > 4
end
def pinnable_belongs_to_profile
errors.add(:pinnable_id, "must have proper permissions for pin") if pinnable.user_id != profile_id
end
end