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namespace :assets do
desc "Regenerate ImageMagick variants for every image asset from its stored original -- rerun whenever a new style is added to FileAttachment::STYLES after assets already exist. Scope to one asset first with ASSET_ID=123."
task :regenerate_variants => :environment do
scope = Asset.where(upload_content_type: FileAttachment::IMAGE_CONTENT_TYPES +
FileAttachment::VECTOR_CONTENT_TYPES +
FileAttachment::RASTERIZED_CONTENT_TYPES)
scope = scope.where(id: ENV["ASSET_ID"]) if ENV["ASSET_ID"].present?
skipped = []
scope.find_each do |asset|
original_path = asset.send(:file_path, :original)
unless File.exist?(original_path)
puts "Skipping Asset##{asset.id} (#{asset.name}) -- no original file at #{original_path}"
next
end
if asset.send(:generate_all_variants, original_path)
puts "Regenerated variants for Asset##{asset.id} (#{asset.name})"
else
skipped << asset.id
puts "Skipped Asset##{asset.id} (#{asset.name}) -- source has no rasterisable page"
end
end
if skipped.any?
puts "\n#{skipped.size} asset(s) skipped, no variants written: #{skipped.join(", ")}"
end
end
desc "One-shot: flag each live page's current first-by-position image as its headline"
task backfill_headline: :environment do
count = 0
page_ids = (Node.where.not(head_id: nil).pluck(:head_id) +
Node.where.not(draft_id: nil).pluck(:draft_id)).uniq
Page.where(id: page_ids).find_each do |page|
next if page.related_assets.where(headline: true).exists?
first_image = page.related_assets.joins(:asset).merge(Asset.images).order(:position).first
next unless first_image
first_image.update!(headline: true)
count += 1
end
puts "Flagged #{count} pages' current first image as headline."
end
end
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