73 lines
2.7 KiB
Ruby
73 lines
2.7 KiB
Ruby
class RequestForComment < ApplicationRecord
|
|
include Creation
|
|
include ActionCableHelper
|
|
|
|
belongs_to :submission
|
|
belongs_to :exercise
|
|
belongs_to :file, class_name: 'CodeOcean::File'
|
|
|
|
has_many :comments, through: :submission
|
|
has_many :subscriptions
|
|
|
|
scope :unsolved, -> { where(solved: [false, nil]) }
|
|
scope :in_range, -> (from, to) { where(created_at: from..to) }
|
|
|
|
# after_save :trigger_rfc_action_cable
|
|
|
|
def self.last_per_user(n = 5)
|
|
from("(#{row_number_user_sql}) as request_for_comments")
|
|
.where("row_number <= ?", n)
|
|
.group('request_for_comments.id, request_for_comments.user_id, request_for_comments.exercise_id,
|
|
request_for_comments.file_id, request_for_comments.question, request_for_comments.created_at,
|
|
request_for_comments.updated_at, request_for_comments.user_type, request_for_comments.solved,
|
|
request_for_comments.full_score_reached, request_for_comments.submission_id, request_for_comments.row_number')
|
|
# ugly, but necessary
|
|
end
|
|
|
|
# not used right now, finds the last submission for the respective user and exercise.
|
|
# might be helpful to check whether the exercise has been solved in the meantime.
|
|
def last_submission
|
|
Submission.find_by_sql(" select * from submissions
|
|
where exercise_id = #{exercise_id} AND
|
|
user_id = #{user_id}
|
|
order by created_at desc
|
|
limit 1").first
|
|
end
|
|
|
|
# not used any longer, since we directly saved the submission_id now.
|
|
# Was used before that to determine the submission belonging to the request_for_comment.
|
|
def last_submission_before_creation
|
|
Submission.find_by_sql(" select * from submissions
|
|
where exercise_id = #{exercise_id} AND
|
|
user_id = #{user_id} AND
|
|
'#{created_at.localtime}' > created_at
|
|
order by created_at desc
|
|
limit 1").first
|
|
end
|
|
|
|
def comments_count
|
|
submission.files.map { |file| file.comments.size}.sum
|
|
end
|
|
|
|
def commenters
|
|
comments.map(&:user).uniq
|
|
end
|
|
|
|
def self.with_last_activity
|
|
self.joins('join "submissions" s on s.id = request_for_comments.submission_id
|
|
left outer join "files" f on f.context_id = s.id
|
|
left outer join "comments" c on c.file_id = f.id')
|
|
.group('request_for_comments.id')
|
|
.select('request_for_comments.*, max(c.updated_at) as last_comment')
|
|
end
|
|
|
|
def to_s
|
|
"RFC-" + self.id.to_s
|
|
end
|
|
|
|
private
|
|
def self.row_number_user_sql
|
|
select("id, user_id, exercise_id, file_id, question, created_at, updated_at, user_type, solved, full_score_reached, submission_id, row_number() OVER (PARTITION BY user_id ORDER BY created_at DESC) as row_number").to_sql
|
|
end
|
|
end
|