Class: BrandLogo::Strategies::ManifestStrategy

Inherits:
BaseStrategy
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/brand_logo/strategies/manifest_strategy.rb

Overview

Fetches icons from the Web App Manifest (PWA manifest). Modern progressive web apps store high-resolution icons (192x192, 512x512) in a manifest.json or .webmanifest file linked from the HTML.

Flow:

1. Fetch HTML → find <link rel="manifest" href="...">
2. Fetch manifest JSON
3. Parse icons[] array → build Icons

Constant Summary collapse

MIME_TO_FORMAT = 
T.let({
  'image/png' => 'png',
  'image/svg+xml' => 'svg',
  'image/jpeg' => 'jpg',
  'image/webp' => 'webp',
  'image/gif' => 'gif'
}.freeze, T::Hash[String, String])

Constants inherited from BaseStrategy

BaseStrategy::UNKNOWN_DIMENSION_SCORE

Instance Method Summary collapse

Methods inherited from BaseStrategy

#fetch

Constructor Details

#initialize(config:, http_client:, html_parser:, image_analyzer:) ⇒ ManifestStrategy

Returns a new instance of ManifestStrategy.



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# File 'lib/brand_logo/strategies/manifest_strategy.rb', line 36

def initialize(config:, http_client:, html_parser:, image_analyzer:)
  super(config: config)
  @http_client    = T.let(http_client, HttpClient)
  @html_parser    = T.let(html_parser, HtmlParser)
  @image_analyzer = T.let(image_analyzer, ImageAnalyzer)
end

Instance Method Details

#fetch_all(domain) ⇒ Object 



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# File 'lib/brand_logo/strategies/manifest_strategy.rb', line 44

def fetch_all(domain)
  manifest_url = find_manifest_url(domain)
  return [] unless manifest_url

  parse_manifest_icons(manifest_url)
rescue StandardError => e
  BrandLogo::Logging.logger.error("ManifestStrategy error for #{domain}: #{e.message}")
  []
end