Class: Finviz::TickersFetcher

Inherits:
Object
  • Object
show all
Defined in:
lib/finviz/tickers_fetcher.rb

Overview

Fetch the list of tickers basing on the provided uri or array of filters

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uri: nil, filters: [], **rest) ⇒ TickersFetcher

Returns a new instance of TickersFetcher.



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# File 'lib/finviz/tickers_fetcher.rb', line 8

def initialize(uri: nil, filters: [], **rest)
  raise("You should provide either uri or filters") if uri.present? && filters.present?
  raise("Do not support option #{rest.keys}") unless rest.empty?

  normalize_uri(uri, filters)
end

Instance Attribute Details

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/finviz/tickers_fetcher.rb', line 6

def uri
  @uri
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/finviz/tickers_fetcher.rb', line 15

def call
  all_pages = first_page + remaining_pages
  all_pages
    .map { |p| p.html.css("table span[onclick]") }
    .flatten
    .map { |a| a.children.text.gsub(/[[:space:]]+/, "") }
end