Module: BetterStorage::VariantMetadata

Defined in:
lib/better_storage/variant_metadata.rb

Constant Summary collapse

KEY = 
"bs_variants"

Class Method Summary collapse

Class Method Details

.delete(blob, digest) ⇒ Object 



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# File 'lib/better_storage/variant_metadata.rb', line 20

def delete(blob, digest)
  blob.with_lock do
    return unless blob.metadata.dig(KEY, digest)
    new_metadata = blob.metadata.deep_dup
    new_metadata[KEY].delete(digest)
    new_metadata.delete(KEY) if new_metadata[KEY].empty?
    blob.update_columns(metadata: new_metadata)
    blob.metadata = new_metadata
  end
end

.fetch(blob, digest) ⇒ Object 



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# File 'lib/better_storage/variant_metadata.rb', line 7

def fetch(blob, digest)
  blob.metadata.dig(KEY, digest)
end

.store(blob, digest, variant_blob_key) ⇒ Object 



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# File 'lib/better_storage/variant_metadata.rb', line 11

def store(blob, digest, variant_blob_key)
  blob.with_lock do
    return if blob.metadata.dig(KEY, digest) == variant_blob_key
    new_metadata = blob.metadata.deep_merge(KEY => { digest => variant_blob_key })
    blob.update_columns(metadata: new_metadata)
    blob.metadata = new_metadata
  end
end