demarches-normaliennes/app/models/attestation_template.rb

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class AttestationTemplate < ApplicationRecord
include ActionView::Helpers::NumberHelper
include TagsSubstitutionConcern
belongs_to :procedure
mount_uploader :logo, AttestationTemplateLogoUploader
mount_uploader :signature, AttestationTemplateSignatureUploader
validate :logo_signature_file_size
validates :footer, length: { maximum: 190 }
FILE_MAX_SIZE_IN_MB = 0.5
DOSSIER_STATE = 'accepte'
def attestation_for(dossier)
Attestation.new(title: replace_tags(title, dossier), pdf: build_pdf(dossier))
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
result = AttestationTemplate.new(title: title, body: body, footer: footer, activated: activated)
if logo.present?
CopyCarrierwaveFile::CopyFileService.new(self, result, :logo).set_file
end
if signature.present?
CopyCarrierwaveFile::CopyFileService.new(self, result, :signature).set_file
end
result
end
private
def used_tags
delimiters_regex = /--(?<capture>((?!--).)*)--/
# 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 logo_signature_file_size
%i[logo signature]
.select { |file_name| send(file_name).present? }
.each { |file_name| file_size_check(file_name) }
end
def file_size_check(file_name)
if send(file_name).file.size.to_f > FILE_MAX_SIZE_IN_MB.megabyte.to_f
errors.add(file_name, " : vous ne pouvez pas charger une image de plus de #{number_with_delimiter(FILE_MAX_SIZE_IN_MB, locale: :fr)} Mo")
end
end
def build_pdf(dossier)
action_view = ActionView::Base.new(ActionController::Base.view_paths,
logo: logo,
title: replace_tags(title, dossier),
body: replace_tags(body, dossier),
signature: signature,
footer: footer,
created_at: Time.now)
attestation_view = action_view.render(file: 'admin/attestation_templates/show',
formats: [:pdf])
view_to_memory_file(attestation_view)
end
def view_to_memory_file(view)
pdf = StringIO.new(view)
def pdf.original_filename
'attestation'
end
pdf
end
end