Retrospring/app/models/group.rb

28 lines
679 B
Ruby

class Group < ActiveRecord::Base
belongs_to :user
has_many :group_members, dependent: :destroy
validates :display_name, length: { maximum: 30 }
before_validation do
self.display_name.strip!
self.name = self.display_name.parameterize
self.name = '-followers-' if self.name == 'followers'
end
alias members group_members
def add_member(user)
GroupMember.create! group: self, user: user
end
def remove_member(user)
GroupMember.where(group: self, user: user).first!.destroy
end
# @return [Array] the groups' timeline
def timeline
Answer.where("user_id in (?)", members.pluck(:user_id)).order(:created_at).reverse_order
end
end