59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
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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Post.transaction do
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revisor = PostRevisor.new(post, post.topic)
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revisor.revise!(@user, changes, {})
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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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