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Size: 794 Bytes
Versions: 35
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Stored size: 794 Bytes
Contents
module WithAssignments
extend ActiveSupport::Concern
# TODO we must avoid _for(user) methods when they
# are hidden the assignment object, since an assignment already encapsulates
# the exercise-user pair, and many times they impose a performance hit,
# since in the normal scenario the assignment object already exists
included do
has_many :assignments, dependent: :destroy
end
def messages_for(user)
assignment_for(user).messages
end
def has_messages_for?(user)
messages_for(user).present?
end
def find_assignment_for(user)
assignments.find_by(submitter: user)
end
def status_for(user)
assignment_for(user).status if user
end
def assignment_for(user)
find_assignment_for(user) || user.assignments.build(exercise: self)
end
end
Version data entries
35 entries across 35 versions & 2 rubygems