Module: GitFit::StravaWeb::FileCheck

Defined in:
lib/git_fit/strava_web/file_check.rb

Overview

Content validation for downloaded Strava files (FIT/TCX/GPX/JSON).

Class Method Summary collapse

Class Method Details

.describe_error(content) ⇒ Object 



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# File 'lib/git_fit/strava_web/file_check.rb', line 50

def describe_error(content)
  head = content[0, 200].b
  if head.include?('<html') || head.include?('<!DOCTYPE')
    "Strava returned HTML (likely rate-limit or auth page) — #{content.length} bytes"
  else
    sample = content[0, 80].force_encoding('UTF-8').scrub('?')
    "unexpected content format — #{sample}"
  end
end

.valid_format?(content, format) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/git_fit/strava_web/file_check.rb', line 11

def valid_format?(content, format)
  case format
  when :fit
    content[0, 64].include?('.FIT'.b) || content.start_with?("\x0E\x10".b)
  when :tcx
    content.include?('TrainingCenterDatabase'.b)
  when :gpx
    content.include?('<gpx'.b)
  when :json
    JSON.parse(content)
    true
  else
    !content.empty?
  end
rescue StandardError
  false
end

.validate_existing_file(path) ⇒ Object 



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# File 'lib/git_fit/strava_web/file_check.rb', line 29

def validate_existing_file(path)
  return false unless File.exist?(path) && File.size(path) > 0

  content = File.read(path, mode: 'rb', length: 4096)
  case File.extname(path).downcase
  when '.fit'
    content.start_with?("\x0E\x10".b)
  when '.tcx'
    content.include?('TrainingCenterDatabase'.b)
  when '.gpx'
    content.include?('<gpx'.b)
  when '.json'
    JSON.parse(content)
    true
  else
    !content.empty?
  end
rescue StandardError
  false
end