Module: ProxyControllersMethods

Includes:
ActionController::Cookies, ReverseProxy::Controller
Included in:
Mints::ContactAPIController, Mints::PublicAPIController, Mints::UserAPIController
Defined in:
lib/mints/helpers/proxy_controllers_methods.rb

Instance Method Summary collapse

Instance Method Details

#index(controller_type = nil) ⇒ Object

Index

Is the base index method for all controllers, manage the headers depending on the controller type (Contact or User)

Parameters

controller_type

(String) – Controller type that be called, this manages the headers to send (contact, user, pub).

Return

Returns the response returned by send_mints_request


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# File 'lib/mints/helpers/proxy_controllers_methods.rb', line 20

def index(controller_type = nil)
  host = @host.gsub('http://', '').gsub('https://', '')
  host = host[0...-1] if host.end_with? '/'

  headers = {
    'host' => host,
    'ApiKey' => @api_key.to_s,
    'Content-Type' => 'application/json',
    'Accept' => 'application/json'
  }

  if %w[contact user].include? controller_type
    session_token = cookies["mints_#{controller_type}_session_token".to_sym]
    headers['Authorization'] = session_token ? "Bearer #{session_token}" : request.headers['Authorization']
  end

  headers['ContactToken'] = cookies[:mints_contact_id] if controller_type == 'contact' && cookies[:mints_contact_id]

  full_url = request.original_url
  url_need_cache, time = url_need_cache?(full_url)

  if @debug
    puts "URL: #{full_url}"
    puts "URL need cache: #{url_need_cache}"
    puts "URL time cache: #{time}"
    puts "Headers: #{headers}"
  end

  if url_need_cache
    cached_response = @redis_server.get(full_url)

    if cached_response
      puts 'RESPONSE FROM CACHE' if @debug
      return render json: cached_response
    end

    send_mints_request(full_url, headers, true, time: time)
  else
    send_mints_request(full_url, headers)
  end
end

#send_mints_request(full_url, headers, cache_result = false, time: 30) ⇒ Object

Send mints request

Method used to make each request to CXF, in addition to verifying and saving the response in cache for cases where it requires cache

Parameters

full_url

(String) – URL to make the request.

headers

(Hash|Object) – Headers to send in the request.

cache_result

(Boolean) – This parameter controls whether the response will be cached..

time

(Integer) – It is the time that the response will be stored in cache.

Return

Returns the response given by CXF or Redis


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# File 'lib/mints/helpers/proxy_controllers_methods.rb', line 106

def send_mints_request(full_url, headers, cache_result = false, time: 30)
  puts 'RESPONSE FROM MINTS.CLOUD' if @debug

  reverse_proxy @host, headers: headers, verify_ssl: false do |config|

    if cache_result
      # Request succeeded!
      config.on_response do |_status_code, response|
        @redis_server.setex(
          full_url,
          time || 30,
          response.body
        )
      end
    end

    # Request failed!
    config.on_missing do |status_code, _response|
      # We got a 404!
      raise ActionController::RoutingError.new('Not Found') if status_code == 404
    end
  end
end

#url_need_cache?(full_url) ⇒ Boolean

Url need cache?

Method used to check if the given URL should be cached and for how long

Parameters

full_url

(String) – URL to check if has cache.

Return

Returns if the URL has cache and the time to be cached

Returns:

  • (Boolean) 

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# File 'lib/mints/helpers/proxy_controllers_methods.rb', line 70

def url_need_cache?(full_url)
  url_need_cache = false
  time = 0
  methods_with_cache = %w[GET]

  if methods_with_cache.include? request.method && @use_cache
    @redis_config['groups'].each do |group|
      group['urls'].each do |url|

        if full_url.match url
          time = group['time']
          url_need_cache = true
          break
        end

      end

      break if url_need_cache
    end
  end

  [url_need_cache, time]
end