gitlabhq/app/controllers/notes_controller.rb

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class NotesController < ProjectResourceController
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# Authorize
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before_filter :authorize_read_note!
before_filter :authorize_write_note!, only: [:create]
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respond_to :js
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def index
@notes = Notes::LoadContext.new(project, current_user, params).execute
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@target_type = params[:target_type].camelize
@target_id = params[:target_id]
if params[:target_type] == "merge_request"
@discussions = discussions_from_notes
end
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respond_with(@notes)
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end
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def create
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@note = Notes::CreateContext.new(project, current_user, params).execute
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@target_type = params[:target_type].camelize
@target_id = params[:target_id]
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respond_to do |format|
format.html {redirect_to :back}
format.js
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end
end
def destroy
@note = @project.notes.find(params[:id])
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return access_denied! unless can?(current_user, :admin_note, @note)
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@note.destroy
respond_to do |format|
format.js { render nothing: true }
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end
end
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def preview
render text: view_context.markdown(params[:note])
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end
protected
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def discussion_notes_for(note)
@notes.select do |other_note|
note.discussion_id == other_note.discussion_id
end
end
def discussions_from_notes
discussion_ids = []
discussions = []
@notes.each do |note|
next if discussion_ids.include?(note.discussion_id)
# don't group notes for the main target
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if note_for_main_target?(note)
discussions << [note]
else
discussions << discussion_notes_for(note)
discussion_ids << note.discussion_id
end
end
discussions
end
# Helps to distinguish e.g. commit notes in mr notes list
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def note_for_main_target?(note)
@target_type.camelize == note.noteable_type && !note.for_diff_line?
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end
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end