Class: ClaimStatusTool::ClaimLetterDownloader

Inherits:
Object
  • Object
show all
Defined in:
lib/claim_letters/claim_letter_downloader.rb

Constant Summary collapse

FILENAME = 
'ClaimLetter'
DOCTYPE_TO_TYPE_DESCRIPTION = 
{
  '27' => 'Board decision',
  '34' => 'Request for specific evidence or information',
  '184' => 'Claim decision (or other notification, like Intent to File)',
  '408' => 'Notification: Exam with VHA has been scheduled',
  '700' => 'Request for specific evidence or information',
  '704' => 'List of evidence we may need ("5103 notice")',
  '706' => 'List of evidence we may need ("5103 notice")',
  '858' => 'List of evidence we may need ("5103 notice")',
  '859' => 'Request for specific evidence or information',
  '864' => 'Copy of request for medical records sent to a non-VA provider',
  '942' => 'Final notification: Request for specific evidence or information',
  '1605' => 'Copy of request for non-medical records sent to a non-VA organization'
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(user, allowed_doctypes = default_allowed_doctypes) ⇒ ClaimLetterDownloader

Returns a new instance of ClaimLetterDownloader.



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 23

def initialize(user, allowed_doctypes = default_allowed_doctypes)
  @user = user
  @client = VBMS::Client.from_env_vars(env_name: Settings.vbms.env) unless Rails.env.development? || Rails.env.test?
  @allowed_doctypes = allowed_doctypes
end

Instance Method Details

#default_allowed_doctypes ⇒ Object (private)

27: Board Of Appeals Decision Letter 34: Correspondence 184: Notification Letter (e.g. VA 20-8993, VA 21-0290, PCGL) 408: VA Examination Letter 700: MAP-D Development letter 704: Standard 5103 Notice 706: 5103/DTA Letter 858: Custom 5103 Notice 859: Subsequent Development letter 864: General Records Request (Medical) 942: Final Attempt Letter 1605: General Records Request (Non-Medical)



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 82

def default_allowed_doctypes
  doctypes = %w[184]
  doctypes << '27' if Flipper.enabled?(:cst_include_ddl_boa_letters, @current_user)
  doctypes << '704' if Flipper.enabled?(:cst_include_ddl_5103_letters, @current_user)
  doctypes << '706' if Flipper.enabled?(:cst_include_ddl_5103_letters, @current_user)
  doctypes << '858' if Flipper.enabled?(:cst_include_ddl_5103_letters, @current_user)
  doctypes << '34' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes << '408' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes << '700' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes << '859' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes << '864' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes << '942' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes << '1605' if Flipper.enabled?(:cst_include_ddl_sqd_letters, @current_user)
  doctypes
end

#file_number ⇒ Object (private) 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 98

def file_number
  # In staging, some users don't have a participant_id
  return @user.ssn if @user.participant_id.blank?

  bgs_file_number = BGS::People::Request.new.find_person_by_participant_id(user: @user).file_number
  bgs_file_number.presence || @user.ssn
end

#filename_with_date(filedate) ⇒ Object (private) 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 134

def filename_with_date(filedate)
  "#{FILENAME}-#{filedate.year}-#{filedate.month}-#{filedate.day}.pdf"
end

#filter_boa_letters(document) ⇒ Object (private) 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 112

def filter_boa_letters(document)
  # 27: Board Of Appeals Decision Letter
  return false if document[:doc_type] == '27' && Time.zone.today - document[:received_at] < 2

  document
end

#filter_letters(document) ⇒ Object (private) 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 106

def filter_letters(document)
  return nil unless @allowed_doctypes.include?(document[:doc_type])

  document
end

#format_letter_data(docs) ⇒ Object (private) 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 119

def format_letter_data(docs)
  # using marshal_dump here because each document is an OpenStruct
  letters = docs.map { |d| filter_letters(d.marshal_dump) }.compact
  letters = letters.select { |d| filter_boa_letters(d) }
  # Issue 96224, consolidating letters' display names upstream
  letters.each { |d| d[:type_description] = DOCTYPE_TO_TYPE_DESCRIPTION[d[:doc_type]] }
  # TODO: (rare) Handle nil received_at
  letters.sort_by { |d| d[:received_at] }.reverse
end

#get_letter(document_id) ⇒ Object 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 46

def get_letter(document_id)
  letter_details = get_letter_details(document_id)

  if letter_details.nil? || filter_letters(letter_details).nil?
    raise Common::Exceptions::RecordNotFound,
          document_id
  end

  filename = filename_with_date(letter_details[:received_at])

  if !Rails.env.development? && !Rails.env.test? && Settings.vsp_environment != 'development'
    req = VBMS::Requests::GetDocumentContent.new(document_id)
    res = @client.send_request(req)

    yield res.content, 'application/pdf', 'attachment', filename
  else
    File.open(ClaimLetterTestData::TEST_FILE_PATH, 'r') do |f|
      yield f.read, 'application/pdf', 'attachment', filename
    end
  end
end

#get_letter_details(document_id) ⇒ Object (private) 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 129

def get_letter_details(document_id)
  letters = get_letters
  letters.find { |d| d[:document_id] == document_id }
end

#get_letters ⇒ Object 



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# File 'lib/claim_letters/claim_letter_downloader.rb', line 29

def get_letters
  res = nil

  if !Rails.env.development? && !Rails.env.test?
    req = VBMS::Requests::FindDocumentVersionReference.new(file_number)
    res = @client.send_request(req)
  else
    res = ClaimLetterTestData::TEST_DATA
  end

  format_letter_data(res)
rescue VBMS::FilenumberDoesNotExist
  []
rescue NoMethodError
  raise Common::Exceptions::BackendServiceException
end