discourse/app/controllers/draft_controller.rb

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# frozen_string_literal: true
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class DraftController < ApplicationController
requires_login
skip_before_action :check_xhr, :preload_json
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def show
seq = params[:sequence] || DraftSequence.current(current_user, params[:draft_key])
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render json: { draft: Draft.get(current_user, params[:draft_key], seq), draft_sequence: seq }
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end
def update
sequence =
begin
Draft.set(
current_user,
params[:draft_key],
params[:sequence].to_i,
params[:data],
params[:owner]
)
rescue Draft::OutOfSequence
begin
if !Draft.exists?(user_id: current_user.id, draft_key: params[:draft_key])
Draft.set(
current_user,
params[:draft_key],
DraftSequence.current(current_user, params[:draft_key]),
params[:data],
params[:owner]
)
else
raise Draft::OutOfSequence
end
rescue Draft::OutOfSequence
render_json_error I18n.t('draft.sequence_conflict_error.title'),
status: 409,
extras: {
description: I18n.t('draft.sequence_conflict_error.description')
}
return
end
end
json = success_json.merge(draft_sequence: sequence)
if data = JSON::parse(params[:data])
# this is a bit of a kludge we need to remove (all the parsing) too many special cases here
# we need to catch action edit and action editSharedDraft
if data["postId"].present? && data["originalText"].present? && data["action"].to_s.start_with?("edit")
post = Post.find_by(id: data["postId"])
if post && post.raw != data["originalText"]
conflict_user = BasicUserSerializer.new(post.last_editor, root: false)
render json: json.merge(conflict_user: conflict_user)
return
end
end
end
render json: json
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end
def destroy
begin
Draft.clear(current_user, params[:draft_key], params[:sequence].to_i)
rescue Draft::OutOfSequence
# nothing really we can do here, if try clearing a draft that is not ours, just skip it.
end
render json: success_json
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end
end