demarches-normaliennes/app/models/attestation_template.rb

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# == Schema Information
#
# Table name: attestation_templates
#
# id :integer not null, primary key
# activated :boolean
# body :text
# footer :text
# title :text
# created_at :datetime not null
# updated_at :datetime not null
# procedure_id :integer
#
class AttestationTemplate < ApplicationRecord
include ActionView::Helpers::NumberHelper
include TagsSubstitutionConcern
has_many :revisions, class_name: 'ProcedureRevision', inverse_of: :attestation_template, dependent: :nullify
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has_one_attached :logo
has_one_attached :signature
validates :footer, length: { maximum: 190 }
FILE_MAX_SIZE = 1.megabytes
validates :logo, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: FILE_MAX_SIZE }
validates :signature, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: FILE_MAX_SIZE }
DOSSIER_STATE = Dossier.states.fetch(:accepte)
def attestation_for(dossier)
attestation = Attestation.new(title: replace_tags(title, dossier))
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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).index_by { |champ| "tdc#{champ.stable_id}" }
used_tags.filter_map do |used_tag|
corresponding_champ = all_champs_with_libelle_index[used_tag]
if corresponding_champ && corresponding_champ.blank?
corresponding_champ
end
end
end
def dup
attestation_template = AttestationTemplate.new(title: title, body: body, footer: footer, activated: activated)
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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
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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
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if logo.attached?
Rails.application.routes.url_helpers.url_for(logo)
end
end
def signature_url
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if signature.attached?
Rails.application.routes.url_helpers.url_for(signature)
end
end
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def render_attributes_for(params = {})
dossier = params.fetch(:dossier, false)
{
created_at: Time.zone.now,
title: dossier ? replace_tags(title, dossier) : params.fetch(:title, title),
body: dossier ? replace_tags(body, dossier) : params.fetch(:body, body),
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footer: params.fetch(:footer, footer),
logo: params.fetch(:logo, logo.attached? ? logo : nil),
signature: params.fetch(:signature, signature.attached? ? signature : nil)
}
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end
def find_or_revise!
if revisions.size > 1 && procedure.feature_enabled?(:procedure_revisions)
# If attestation template belongs to more then one revision
# and procedure has revisions enabled revise attestation template.
attestation_template = dup
attestation_template.save!
procedure.draft_revision.update!(attestation_template: attestation_template)
attestation_template
else
# If procedure has only one revision or revisions are not supported
# apply updates directly to the attestation template.
# If it is a published procedure with revisions disabled,
# draft and published attestation template will be the same.
self
end
end
def procedure
revisions.last&.procedure
end
def logo_checksum
logo.attached? ? logo.checksum : nil
end
def signature_checksum
signature.attached? ? signature.checksum : nil
end
def logo_filename
logo.attached? ? logo.filename : nil
end
def signature_filename
signature.attached? ? signature.filename : nil
end
private
def used_tags
used_tags_for(title) + used_tags_for(body)
end
def build_pdf(dossier)
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attestation = render_attributes_for(dossier: dossier)
attestation_view = ApplicationController.render(
template: 'administrateurs/attestation_templates/show',
formats: :pdf,
assigns: { attestation: attestation }
)
StringIO.new(attestation_view)
end
end