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docuseal/lib/submitters/normalize_values.rb

103 lines
3.0 KiB

# frozen_string_literal: true
module Submitters
module NormalizeValues
CHECKSUM_CACHE_STORE = ActiveSupport::Cache::MemoryStore.new
UnknownFieldName = Class.new(StandardError)
UnknownSubmitterName = Class.new(StandardError)
module_function
def call(template, values, submitter_name)
submitter =
template.submitters.find { |e| e['name'] == submitter_name } ||
raise(UnknownSubmitterName, "Unknown submitter: #{submitter_name}")
fields = template.fields.select { |e| e['submitter_uuid'] == submitter['uuid'] }
fields_uuid_index = fields.index_by { |e| e['uuid'] }
fields_name_index = build_fields_index(fields)
attachments = []
normalized_values = values.to_h.to_h do |key, value|
if fields_uuid_index[key].blank?
key = fields_name_index[key]&.dig('uuid') || raise(UnknownFieldName, "Unknown field: #{key}")
end
if fields_uuid_index[key]['type'].in?(%w[initials signature image file])
new_value, new_attachments = normalize_attachment_value(value, template.account)
attachments.push(*new_attachments)
value = new_value
end
[key, value]
end
[normalized_values, attachments]
end
def build_fields_index(fields)
fields.index_by { |e| e['name'] }.merge(fields.index_by { |e| e['name'].to_s.parameterize.underscore })
end
def normalize_attachment_value(value, account)
if value.is_a?(Array)
new_attachments = value.map { |v| build_attachment(v, account) }
[new_attachments.map(&:uuid), new_attachments]
else
new_attachment = build_attachment(value, account)
[new_attachment.uuid, new_attachment]
end
end
def build_attachment(value, account)
ActiveStorage::Attachment.new(
blob: find_or_create_blobs(account, value),
name: 'attachments'
)
end
def find_or_create_blobs(account, url)
cache_key = [account.id, url].join(':')
checksum = CHECKSUM_CACHE_STORE.fetch(cache_key)
blob = find_blob_by_checksum(checksum, account) if checksum
return blob if blob
data = conn.get(Addressable::URI.parse(url).display_uri.to_s).body
checksum = Digest::MD5.base64digest(data)
CHECKSUM_CACHE_STORE.write(cache_key, checksum)
blob = find_blob_by_checksum(checksum, account)
blob || ActiveStorage::Blob.create_and_upload!(
io: StringIO.new(data),
filename: Addressable::URI.parse(url).path.split('/').last
)
end
def find_blob_by_checksum(checksum, account)
ActiveStorage::Blob
.joins('JOIN active_storage_attachments ON active_storage_attachments.blob_id = active_storage_blobs.id')
.where(active_storage_attachments: { record_id: account.submitters.select(:id),
record_type: 'Submitter' })
.find_by(checksum:)
end
def conn
Faraday.new do |faraday|
faraday.response :follow_redirects
end
end
end
end