Class: OxTenderAbstract::ArchiveProcessor

Inherits:
Object
  • Object
show all
Includes:
ContextualLogger
Defined in:
lib/oxtenderabstract/archive_processor.rb

Overview

Archive processor for downloading and extracting archive files

Constant Summary collapse

MAX_FILE_SIZE_BYTES =

100 MB in bytes

100 * 1024 * 1024
MAX_RETRY_ATTEMPTS = 
3
RETRY_DELAY_SECONDS = 
2

Instance Method Summary collapse

Methods included from ContextualLogger

included, #log_debug, #log_error, #log_fatal, #log_info, #log_warn, #logger

Constructor Details

#initialize ⇒ ArchiveProcessor 



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# File 'lib/oxtenderabstract/archive_processor.rb', line 19

def initialize
  # Archive processor initialization
end

Instance Method Details

#download_and_extract(archive_url) ⇒ Object

Download and extract archive data



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# File 'lib/oxtenderabstract/archive_processor.rb', line 24

def download_and_extract(archive_url)
  return Result.failure('Empty archive URL') if archive_url.nil? || archive_url.empty?

  begin
    # Download archive to memory with retry logic
    download_result = download_with_retry(archive_url)
    return download_result if download_result.failure?

    content = download_result.data[:content]

    # Determine archive format by first bytes
    first_bytes = content[0..1].unpack1('H*')

    if first_bytes == '1f8b'
      # This is GZIP archive - decompress GZIP, then ZIP
      gunzip_result = decompress_gzip(content)
      return gunzip_result if gunzip_result.failure?

      zip_result = extract_zip_from_memory(gunzip_result.data[:content])

      Result.success({
                       files: zip_result,
                       total_size: download_result.data[:size],
                       compressed_size: gunzip_result.data[:compressed_size],
                       file_count: zip_result.size
                     })
    elsif content[0..1] == 'PK'
      # This is already ZIP archive - parse directly
      zip_result = extract_zip_from_memory(content)

      Result.success({
                       files: zip_result,
                       total_size: download_result.data[:size],
                       compressed_size: nil,
                       file_count: zip_result.size
                     })
    else
      # Log first bytes for debugging
      log_error "Unknown archive format. First 10 bytes: #{content[0..9].unpack1('H*')}"
      Result.failure('Unknown archive format (not GZIP and not ZIP)')
    end
  rescue StandardError => e
    log_error "Archive processing error: #{e.message}"
    log_error e.backtrace.first(3).join("\n") if e.backtrace
    Result.failure("Archive processing error: #{e.message}")
  end
end