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class MembersFinder
attr_reader :project, :current_user, :group
def initialize(project, current_user)
@project = project
@current_user = current_user
@group = project.group
end
def execute
project_members = project.project_members
project_members = project_members.non_invite unless can?(current_user, :admin_project, project)
wheres = ["members.id IN (#{project_members.select(:id).to_sql})"]
if group
# We need `.where.not(user_id: nil)` here otherwise when a group has an
# invitee, it would make the following query return 0 rows since a NULL
# user_id would be present in the subquery
# See http://stackoverflow.com/questions/129077/not-in-clause-and-null-values
non_null_user_ids = project_members.where.not(user_id: nil).select(:user_id)
group_members = GroupMembersFinder.new(group).execute
group_members = group_members.where.not(user_id: non_null_user_ids)
group_members = group_members.non_invite unless can?(current_user, :admin_group, group)
wheres << "members.id IN (#{group_members.select(:id).to_sql})"
end
Member.where(wheres.join(' OR '))
end
def can?(*args)
Ability.allowed?(*args)
end
end
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