8558c5041f
Inlining the code did not turn out well, as we have to cope with the polymorphic association of user here..
73 lines
2.7 KiB
Ruby
73 lines
2.7 KiB
Ruby
class RequestForComment < ApplicationRecord
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include Creation
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belongs_to :submission
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belongs_to :exercise
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belongs_to :file, class_name: 'CodeOcean::File'
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has_many :comments, through: :submission
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has_many :subscriptions
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scope :unsolved, -> { where(solved: [false, nil]) }
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scope :in_range, -> (from, to) { where(created_at: from..to) }
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def self.last_per_user(n = 5)
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from("(#{row_number_user_sql}) as request_for_comments")
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.where("row_number <= ?", n)
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.group('request_for_comments.id, request_for_comments.user_id, request_for_comments.exercise_id,
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request_for_comments.file_id, request_for_comments.question, request_for_comments.created_at,
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request_for_comments.updated_at, request_for_comments.user_type, request_for_comments.solved,
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request_for_comments.full_score_reached, request_for_comments.submission_id, request_for_comments.row_number')
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# ugly, but necessary
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end
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# not used right now, finds the last submission for the respective user and exercise.
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# might be helpful to check whether the exercise has been solved in the meantime.
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def last_submission
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Submission.find_by_sql(" select * from submissions
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where exercise_id = #{exercise_id} AND
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user_id = #{user_id}
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order by created_at desc
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limit 1").first
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end
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# not used any longer, since we directly saved the submission_id now.
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# Was used before that to determine the submission belonging to the request_for_comment.
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def last_submission_before_creation
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Submission.find_by_sql(" select * from submissions
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where exercise_id = #{exercise_id} AND
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user_id = #{user_id} AND
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'#{created_at.localtime}' > created_at
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order by created_at desc
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limit 1").first
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end
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def comments_count
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submission.files.map { |file| file.comments.size}.sum
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end
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def commenters
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commenters = []
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comments.each {|comment|
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commenters.append comment.user
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}
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commenters.uniq
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end
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def self.with_last_activity
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self.joins('join "submissions" s on s.id = request_for_comments.submission_id
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left outer join "files" f on f.context_id = s.id
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left outer join "comments" c on c.file_id = f.id')
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.group('request_for_comments.id')
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.select('request_for_comments.*, max(c.updated_at) as last_comment')
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end
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def to_s
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"RFC-" + self.id.to_s
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end
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private
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def self.row_number_user_sql
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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
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end
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end
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