61 lines
1.9 KiB
Ruby
61 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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class ChangeSelectableAvatarsSiteSetting < ActiveRecord::Migration[6.0]
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def up
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selectable_avatars =
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execute("SELECT value FROM site_settings WHERE name = 'selectable_avatars'")
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return if selectable_avatars.cmd_tuples == 0
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# Keep old site setting value as a backup
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execute <<~SQL
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UPDATE site_settings
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SET name = 'selectable_avatars_urls'
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WHERE name = 'selectable_avatars'
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SQL
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# Extract SHA1s from URLs and then use them for upload ID lookups
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urls = []
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sha1s = []
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selectable_avatars.first["value"]
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.split("\n")
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.each do |url|
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match = url.match(%r{(/original/\dX[/\.\w]*/(\h+)[\.\w]*)})
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if match.present?
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urls << match[1]
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sha1s << match[2]
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else
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STDERR.puts "Could not extract a SHA1 from #{url}"
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end
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end
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# Ensure at least one URL or SHA1 exists so the query below can be valid
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return if urls.size == 0 && sha1s.size == 0
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uploads_query = []
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if urls.size > 0
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uploads_query << "url IN (#{urls.map { |url| ActiveRecord::Base.connection.quote(url) }.join(",")})"
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end
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if sha1s.size > 0
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uploads_query << "sha1 IN (#{sha1s.map { |sha1| ActiveRecord::Base.connection.quote(sha1) }.join(",")})"
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end
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uploads_query = "SELECT DISTINCT id FROM uploads WHERE #{uploads_query.join(" OR ")}"
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upload_ids = execute(uploads_query).map { |row| row["id"] }
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return if upload_ids.size == 0
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execute <<~SQL
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INSERT INTO site_settings(name, data_type, value, created_at, updated_at)
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SELECT 'selectable_avatars', data_type, '#{upload_ids.join("|")}', created_at, NOW()
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FROM site_settings
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WHERE name = 'selectable_avatars_urls'
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SQL
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end
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def down
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execute("DELETE FROM site_settings WHERE name = 'selectable_avatars'")
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execute(
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"UPDATE site_settings SET name = 'selectable_avatars' WHERE name = 'selectable_avatars_urls'",
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)
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end
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end
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