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