42 lines
1.1 KiB
Ruby
42 lines
1.1 KiB
Ruby
class BulkRevert
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attr_reader :constraints
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def initialize(constraints)
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@constraints = constraints
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end
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def preview
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@_preview ||= find_post_versions
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end
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def find_post_versions
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q = PostVersion.where("true")
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if constraints[:user_name]
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constraints[:user_id] = User.find_by_name(constraints[:user_name]).try(:id)
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end
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if constraints[:user_id]
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q = q.where("post_versions.updater_id = ?", constraints[:user_id])
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if constraints[:added_tags] || constraints[:removed_tags]
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hash = CityHash.hash64("#{constraints[:added_tags]} #{constraints{removed_tags}}").to_s(36)
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sub_ids = Cache.get("br/fpv/#{hash}", 300) do
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sub_ids = GoogleBigQuery::PostVersion.new.find(constraints[:user_id], constraints[:added_tags], constraints[:removed_tags])
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end
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q = q.where("post_versions.id in (?)", sub_ids)
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end
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end
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if constraints[:min_version_id].present?
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q = q.where("post_versions.id >= ?", constraints[:min_version_id])
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end
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if constraints[:max_version_id].present?
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q = q.where("post_versions.id <= ?", constraints[:max_version_id])
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end
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q
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end
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end
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