108 lines
3.6 KiB
Ruby
108 lines
3.6 KiB
Ruby
# frozen_string_literal: true
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class RequestForComment < ApplicationRecord
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include Creation
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include ActionCableHelper
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# SOLVED: The author explicitly marked the RfC as solved.
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# SOFT_SOLVED: The author did not mark the RfC as solved but reached the maximum score in the corresponding exercise at any time.
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# ONGOING: The author did not mark the RfC as solved and did not reach the maximum score in the corresponding exercise yet.
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STATE = [SOLVED = :solved, SOFT_SOLVED = :soft_solved, ONGOING = :unsolved].freeze
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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, dependent: :destroy
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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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scope :with_comments, -> { select {|rfc| rfc.comments.any? } }
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# after_save :trigger_rfc_action_cable
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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.sum {|file| file.comments.size }
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end
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def commenters
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comments.map(&:user).uniq
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end
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def comments?
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comments.any?
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end
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def to_s
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"RFC-#{id}"
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end
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def current_state
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state(solved, full_score_reached)
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end
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def old_state
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state(solved_before_last_save, full_score_reached_before_last_save)
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end
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private
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def state(solved, full_score_reached)
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if solved
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SOLVED
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elsif full_score_reached
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SOFT_SOLVED
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else
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ONGOING
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end
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end
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class << self
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def with_last_activity
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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 last_per_user(count = 5)
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from("(#{row_number_user_sql}) as request_for_comments")
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.where('row_number <= ?', count)
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.group('request_for_comments.id, request_for_comments.user_id, request_for_comments.user_type,
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request_for_comments.exercise_id, request_for_comments.file_id, request_for_comments.question,
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request_for_comments.created_at, request_for_comments.updated_at, 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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private
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def row_number_user_sql
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select('id, user_id, user_type, exercise_id, file_id, question, created_at, updated_at, solved, full_score_reached, submission_id, row_number() OVER (PARTITION BY user_id, user_type ORDER BY created_at DESC) as row_number').to_sql
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end
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end
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end
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