138 lines
3.5 KiB
Ruby
138 lines
3.5 KiB
Ruby
# frozen_string_literal: true
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# A non-diff discussion on an issue, merge request, commit, or snippet, consisting of `DiscussionNote` notes.
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#
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# A discussion of this type can be resolvable.
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class Discussion
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include ResolvableDiscussion
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attr_reader :notes, :context_noteable
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delegate :created_at,
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:project,
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:author,
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:noteable,
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:commit_id,
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:for_commit?,
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:for_merge_request?,
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to: :first_note
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def project_id
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project&.id
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end
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def self.build(notes, context_noteable = nil)
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notes.first.discussion_class(context_noteable).new(notes, context_noteable)
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end
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def self.build_collection(notes, context_noteable = nil)
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grouped_notes = notes.group_by { |n| n.discussion_id(context_noteable) }
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grouped_notes.values.map { |notes| build(notes, context_noteable) }
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end
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# Returns an alphanumeric discussion ID based on `build_discussion_id`
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def self.discussion_id(note)
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Digest::SHA1.hexdigest(build_discussion_id(note).join("-"))
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end
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# Returns an array of discussion ID components
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def self.build_discussion_id(note)
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[*base_discussion_id(note), SecureRandom.hex]
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end
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def self.base_discussion_id(note)
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noteable_id = note.noteable_id || note.commit_id
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[:discussion, note.noteable_type.try(:underscore), noteable_id]
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end
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# When notes on a commit are displayed in context of a merge request that contains that commit,
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# these notes are to be displayed as if they were part of one discussion, even though they were actually
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# individual notes on the commit with different discussion IDs, so that it's clear that these are not
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# notes on the merge request itself.
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#
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# To turn a list of notes into a list of discussions, they are grouped by discussion ID, so to
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# get these out-of-context notes to end up in the same discussion, we need to get them to return the same
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# `discussion_id` when this grouping happens. To enable this, `Note#discussion_id` calls out
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# to the `override_discussion_id` method on the appropriate `Discussion` subclass, as determined by
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# the `discussion_class` method on `Note` or a subclass of `Note`.
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#
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# If no override is necessary, return `nil`.
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# For the case described above, see `OutOfContextDiscussion.override_discussion_id`.
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def self.override_discussion_id(note)
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nil
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end
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def self.note_class
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DiscussionNote
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end
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def initialize(notes, context_noteable = nil)
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@notes = notes
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@context_noteable = context_noteable
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end
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def on_image?
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false
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end
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def ==(other)
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other.class == self.class &&
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other.context_noteable == self.context_noteable &&
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other.id == self.id &&
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other.notes == self.notes
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end
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def last_updated_at
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last_note.created_at
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end
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def last_updated_by
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last_note.author
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end
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def updated?
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last_updated_at != created_at
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end
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def id
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first_note.discussion_id(context_noteable)
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end
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def reply_id
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# To reply to this discussion, we need the actual discussion_id from the database,
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# not the potentially overwritten one based on the noteable.
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first_note.discussion_id
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end
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alias_method :to_param, :id
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def diff_discussion?
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false
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end
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def individual_note?
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false
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end
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def new_discussion?
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notes.length == 1
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end
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def last_note
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@last_note ||= notes.last
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end
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def collapsed?
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resolved?
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end
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def expanded?
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!collapsed?
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end
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def reply_attributes
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first_note.slice(:type, :noteable_type, :noteable_id, :commit_id, :discussion_id)
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end
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end
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