Module: Proxied::Nosql::ProxyMethods::ClassMethods

Defined in:
lib/proxied/nosql/proxy_methods.rb

Instance Method Summary collapse

Instance Method Details

#get_random_proxy(protocol: :all, proxy_type: :all, category: nil, maximum_failed_attempts: nil, retries: 3) ⇒ Object 



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# File 'lib/proxied/nosql/proxy_methods.rb', line 43

def get_random_proxy(protocol: :all, proxy_type: :all, category: nil, maximum_failed_attempts: nil, retries: 3)
  proxies     =   get_valid_proxies(protocol: protocol, proxy_type: proxy_type, category: category, maximum_failed_attempts: maximum_failed_attempts)
  proxies     =   yield(proxies) if block_given?
  
  proxy       =   nil
  
  begin
    proxy     =   proxies.skip(rand(proxies.count)).first
  
  rescue StandardError
    retries  -=   1
    retry if retries > 0
  end
  
  return proxy
end

#get_valid_proxies(protocol: :all, proxy_type: :all, category: nil, maximum_failed_attempts: nil) ⇒ Object 



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# File 'lib/proxied/nosql/proxy_methods.rb', line 37

def get_valid_proxies(protocol: :all, proxy_type: :all, category: nil, maximum_failed_attempts: nil)
  proxies     =   get_proxies(protocol: protocol, proxy_type: proxy_type, category: category)
  proxies     =   proxies.where(valid_proxy: true)
  proxies     =   proxies.where(:failed_attempts.lte => maximum_failed_attempts) if maximum_failed_attempts
end

#should_be_checked(mode: :synchronous, protocol: :all, proxy_type: :all, category: nil, date: Time.now, limit: nil, maximum_failed_attempts: 10) ⇒ Object 



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# File 'lib/proxied/nosql/proxy_methods.rb', line 14

def should_be_checked(mode: :synchronous, protocol: :all, proxy_type: :all, category: nil, date: Time.now, limit: nil, maximum_failed_attempts: 10)
  proxies     =   get_proxies(protocol: protocol, proxy_type: proxy_type, category: category)
  proxies     =   proxies.where(checkable: true)
  proxies     =   proxies.where(asyncable: true) if mode.to_sym.eql?(:asynchronous)
  
  proxies     =   proxies.any_of(
    {:last_checked_at.exists => false},
    {:last_checked_at.ne => nil},
    {:last_checked_at.exists => true, :last_checked_at.ne => nil, :last_checked_at.lt => date}
  )
  
  proxies     =   proxies.any_of(
    {:failed_attempts.exists => false},
    {:failed_attempts.in => ["", nil]},
    {:failed_attempts.exists => true, :failed_attempts.nin => ["", nil], :failed_attempts.lte => maximum_failed_attempts}
  )
  
  proxies     =   proxies.order_by([[:valid_proxy, :asc], [:failed_attempts, :asc], [:last_checked_at, :asc]])
  proxies     =   proxies.limit(limit) if limit && !limit.zero?
  
  return proxies
end