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30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
61 lines
1.3 KiB
Ruby
61 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class PostMerger
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class CannotMergeError < StandardError; end
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def initialize(user, posts)
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@user = user
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@posts = posts
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end
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def merge
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return unless ensure_at_least_two_posts
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ensure_same_topic!
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ensure_same_user!
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guardian = Guardian.new(@user)
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ensure_staff_user!(guardian)
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posts = @posts.sort_by do |post|
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guardian.ensure_can_delete!(post)
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post.post_number
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end
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post_content = posts.map(&:raw)
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post = posts.pop
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changes = {
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raw: post_content.join("\n\n"),
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edit_reason: I18n.t("merge_posts.edit_reason", count: posts.length, username: @user.username)
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}
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revisor = PostRevisor.new(post, post.topic)
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revisor.revise!(@user, changes) do
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posts.each { |p| PostDestroyer.new(@user, p).destroy }
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end
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end
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private
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def ensure_at_least_two_posts
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@posts.count >= 2
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end
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def ensure_same_topic!
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unless @posts.map(&:topic_id).uniq.length == 1
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raise CannotMergeError.new(I18n.t("merge_posts.errors.different_topics"))
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end
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end
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def ensure_same_user!
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unless @posts.map(&:user_id).uniq.length == 1
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raise CannotMergeError.new(I18n.t("merge_posts.errors.different_users"))
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end
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end
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def ensure_staff_user!(guardian)
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raise Discourse::InvalidAccess unless guardian.is_staff?
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end
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end
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