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# frozen_string_literal: true
module ApprovableBase
extend ActiveSupport::Concern
include FromUnion
included do
has_many :approvals, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
has_many :approved_by_users, through: :approvals, source: :user
scope :without_approvals, -> { left_outer_joins(:approvals).where(approvals: { id: nil }) }
scope :with_approvals, -> { joins(:approvals) }
scope :approved_by_users_with_ids, -> (*user_ids) do
with_approvals
.merge(Approval.with_user)
.where(users: { id: user_ids })
.group(:id)
.having("COUNT(users.id) = ?", user_ids.size)
end
scope :approved_by_users_with_usernames, -> (*usernames) do
with_approvals
.merge(Approval.with_user)
.where(users: { username: usernames })
.group(:id)
.having("COUNT(users.id) = ?", usernames.size)
end
scope :not_approved_by_users_with_usernames, -> (usernames) do
users = User.where(username: usernames).select(:id)
self_table = self.arel_table
app_table = Approval.arel_table
where(
Approval.where(approvals: { user_id: users })
.where(app_table[:merge_request_id].eq(self_table[:id]))
.select('true')
.arel.exists.not
)
end
end
class_methods do
def select_from_union(relations)
where(id: from_union(relations))
end
end
def approved_by?(user)
return false unless user
approved_by_users.include?(user)
end
def can_be_approved_by?(user)
user && !approved_by?(user) && user.can?(:approve_merge_request, self)
end
def can_be_unapproved_by?(user)
user && approved_by?(user) && user.can?(:approve_merge_request, self)
end
end
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