demarches-normaliennes/app/models/attestation_template.rb

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class AttestationTemplate < ApplicationRecord
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self.ignored_columns = ['logo', 'signature', 'logo_secure_token', 'signature_secure_token']
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include ActionView::Helpers::NumberHelper
include TagsSubstitutionConcern
belongs_to :procedure
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has_one_attached :logo
has_one_attached :logo_active_storage
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has_one_attached :signature
has_one_attached :signature_active_storage
validates :footer, length: { maximum: 190 }
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)
.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)
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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 }
)
elsif logo_active_storage.attached?
attestation_template.logo.attach(
io: StringIO.new(logo_active_storage.download),
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filename: logo_active_storage.filename.to_s,
content_type: logo_active_storage.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 }
)
elsif signature_active_storage.attached?
attestation_template.signature.attach(
io: StringIO.new(signature_active_storage.download),
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filename: signature_active_storage.filename.to_s,
content_type: signature_active_storage.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?
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logo.attached? || logo_active_storage.attached?
end
def signature?
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signature.attached? || signature_active_storage.attached?
end
def logo_url
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if logo.attached?
Rails.application.routes.url_helpers.url_for(logo)
elsif logo_active_storage.attached?
Rails.application.routes.url_helpers.url_for(logo_active_storage)
end
end
def signature_url
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if signature.attached?
Rails.application.routes.url_helpers.url_for(signature)
elsif signature_active_storage.attached?
Rails.application.routes.url_helpers.url_for(signature_active_storage)
end
end
def proxy_logo
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if logo.attached?
logo
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elsif logo_active_storage.attached?
logo_active_storage
end
end
def proxy_signature
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if signature.attached?
signature
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elsif signature_active_storage.attached?
signature_active_storage
end
end
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def title_for_dossier(dossier)
replace_tags(title, dossier)
end
def body_for_dossier(dossier)
replace_tags(body, dossier)
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 build_pdf(dossier)
action_view = ActionView::Base.new(ActionController::Base.view_paths,
logo: proxy_logo,
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title: title_for_dossier(dossier),
body: body_for_dossier(dossier),
signature: proxy_signature,
footer: footer,
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created_at: Time.zone.now)
attestation_view = action_view.render(file: 'admin/attestation_templates/show', formats: [:pdf])
StringIO.new(attestation_view)
end
end