class AttestationTemplate < ApplicationRecord self.ignored_columns = ['logo', 'signature', 'logo_secure_token', 'signature_secure_token'] include ActionView::Helpers::NumberHelper include TagsSubstitutionConcern belongs_to :procedure has_one_attached :logo has_one_attached :signature validates :footer, length: { maximum: 190 } validates :logo, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: 1.megabytes } validates :signature, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: 1.megabytes } DOSSIER_STATE = Dossier.states.fetch(:accepte) def attestation_for(dossier) attestation = Attestation.new(title: replace_tags(title, dossier)) attestation.pdf.attach( io: build_pdf(dossier), filename: "attestation-dossier-#{dossier.id}.pdf", content_type: 'application/pdf', # we don't want to run virus scanner on this file metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE } ) attestation end def unspecified_champs_for_dossier(dossier) all_champs_with_libelle_index = (dossier.champs + dossier.champs_private) .reduce({}) do |acc, champ| acc[champ.libelle] = champ acc end used_tags.map do |used_tag| corresponding_champ = all_champs_with_libelle_index[used_tag] if corresponding_champ && corresponding_champ.value.blank? corresponding_champ end end.compact end def dup attestation_template = AttestationTemplate.new(title: title, body: body, footer: footer, activated: activated) if logo.attached? attestation_template.logo.attach( io: StringIO.new(logo.download), filename: logo.filename.to_s, content_type: logo.content_type, # we don't want to run virus scanner on duplicated file metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE } ) end if signature.attached? attestation_template.signature.attach( io: StringIO.new(signature.download), filename: signature.filename.to_s, content_type: signature.content_type, # we don't want to run virus scanner on duplicated file metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE } ) end attestation_template end def logo_url if logo.attached? Rails.application.routes.url_helpers.url_for(logo) end end def signature_url if signature.attached? Rails.application.routes.url_helpers.url_for(signature) end end def render_attributes_for(params = {}) dossier = params.fetch(:dossier, false) { created_at: Time.zone.now, title: dossier ? replace_tags(title, dossier) : params.fetch(:title, ''), body: dossier ? replace_tags(body, dossier) : params.fetch(:body, ''), footer: params.fetch(:footer, footer), logo: params.fetch(:logo, logo.attached? ? logo : nil), signature: params.fetch(:signature, signature.attached? ? signature : nil) } end private def used_tags delimiters_regex = /--(?((?!--).)*)--/ # We can't use flat_map as scan will return 3 levels of array, # using flat_map would give us 2, whereas flatten will # give us 1, which is what we want [title, body] .map { |str| str.scan(delimiters_regex) } .flatten end def build_pdf(dossier) attestation = render_attributes_for(dossier: dossier) action_view = ActionView::Base.new(ActionController::Base.view_paths, attestation: attestation) attestation_view = action_view.render(file: 'admin/attestation_templates/show', formats: [:pdf]) StringIO.new(attestation_view) end end