Class: GemDigest::ChangelogFetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/gem_digest/changelog_fetcher.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ChangelogFetcher

Returns a new instance of ChangelogFetcher.



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# File 'lib/gem_digest/changelog_fetcher.rb', line 9

def initialize
  @cache = {}
end

Instance Method Details

#fetch_changelog_url(gem_name) ⇒ Object 



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# File 'lib/gem_digest/changelog_fetcher.rb', line 13

def fetch_changelog_url(gem_name)
  return @cache[gem_name] if @cache.key?(gem_name)

  uri = URI("https://rubygems.org/api/v1/gems/#{gem_name}.json")
  
  begin
    response = Net::HTTP.get_response(uri)
    return nil unless response.code == "200"
    
    gem_info = JSON.parse(response.body)
    changelog_url = gem_info["changelog_uri"] || 
                   gem_info["homepage_uri"] || 
                   gem_info["source_code_uri"]
    
    @cache[gem_name] = changelog_url
    changelog_url
  rescue StandardError => e
    warn "Warning: Could not fetch changelog for #{gem_name}: #{e.message}"
    @cache[gem_name] = nil
    nil
  end
end

#fetch_release_notes(gem_name, from_version, to_version) ⇒ Object 



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# File 'lib/gem_digest/changelog_fetcher.rb', line 36

def fetch_release_notes(gem_name, from_version, to_version)
  # This is a placeholder for more advanced changelog parsing
  # In a real implementation, you might parse GitHub releases, CHANGELOG files, etc.
  changelog_url = fetch_changelog_url(gem_name)
  return nil unless changelog_url

  {
    gem_name: gem_name,
    from_version: from_version,
    to_version: to_version,
    changelog_url: changelog_url,
    notes: "See changelog for details about changes from #{from_version} to #{to_version}"
  }
end