demarches-normaliennes/app/services/procedure_archive_service.rb

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require 'tempfile'
class ProcedureArchiveService
def initialize(procedure)
@procedure = procedure
end
def create_pending_archive(instructeur, type, month = nil)
groupe_instructeurs = instructeur
.groupe_instructeurs
.where(procedure: @procedure)
Archive.find_or_create_archive(type, month, groupe_instructeurs)
end
def collect_files_archive(archive, instructeur)
if archive.time_span_type == 'everything'
dossiers = @procedure.dossiers.state_termine
else
dossiers = @procedure.dossiers.processed_in_month(archive.month)
end
files = create_list_of_attachments(dossiers)
tmp_file = Tempfile.new(['tc', '.zip'])
Zip::OutputStream.open(tmp_file) do |zipfile|
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bug_reports = ''
files.each do |attachment, pj_filename|
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zipfile.put_next_entry("#{zip_root_folder(@procedure)}/#{pj_filename}")
begin
zipfile.puts(attachment.download)
rescue
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bug_reports += "Impossible de récupérer le fichier #{pj_filename}\n"
end
end
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if !bug_reports.empty?
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zipfile.put_next_entry("#{zip_root_folder(@procedure)}/LISEZMOI.txt")
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zipfile.puts(bug_reports)
end
end
archive.file.attach(
io: File.open(tmp_file),
filename: archive.filename(@procedure),
# we don't want to run virus scanner on this file
metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE }
)
tmp_file.delete
archive.make_available!
InstructeurMailer.send_archive(instructeur, @procedure, archive).deliver_later
end
def self.procedure_files_size(procedure)
dossiers_files_size(procedure.dossiers)
end
def self.dossiers_files_size(dossiers)
dossiers.map do |dossier|
liste_pieces_justificatives_for_archive(dossier).sum(&:byte_size)
end.sum
end
private
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def zip_root_folder(procedure)
"procedure-#{@procedure.id}"
end
def create_list_of_attachments(dossiers)
dossiers.flat_map do |dossier|
ActiveStorage::DownloadableFile.create_list_from_dossier(dossier)
end
end
def self.attachments_from_champs_piece_justificative(champs)
champs
.filter { |c| c.type_champ == TypeDeChamp.type_champs.fetch(:piece_justificative) }
.filter { |pj| pj.piece_justificative_file.attached? }
.map(&:piece_justificative_file)
end
def self.liste_pieces_justificatives_for_archive(dossier)
champs_blocs_repetables = dossier.champs
.filter { |c| c.type_champ == TypeDeChamp.type_champs.fetch(:repetition) }
.flat_map(&:champs)
attachments_from_champs_piece_justificative(champs_blocs_repetables + dossier.champs)
end
end