Class: Paymentwall::Widget

Inherits:
Base
  • Object
show all
Defined in:
lib/Paymentwall/Widget.rb

Constant Summary collapse

BASE_URL = 
'https://api.paymentwall.com/api'

Constants inherited from Base

Base::API_CART, Base::API_GOODS, Base::API_VC, Base::CONTROLLER_PAYMENT_CART, Base::CONTROLLER_PAYMENT_DIGITAL_GOODS, Base::CONTROLLER_PAYMENT_VIRTUAL_CURRENCY, Base::DEFAULT_SIGNATURE_VERSION, Base::SIGNATURE_VERSION_1, Base::SIGNATURE_VERSION_2, Base::SIGNATURE_VERSION_3, Base::VERSION

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

getApiType, getAppKey, #getErrorSummary, #getErrors, getSecretKey, setApiType, setAppKey, setSecretKey

Constructor Details

#initialize(userId, widgetCode, products = array(), extraParams = {}) ⇒ Widget

Returns a new instance of Widget.



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# File 'lib/Paymentwall/Widget.rb', line 6

def initialize(userId, widgetCode, products = array(), extraParams = {})
  @userId = userId
  @widgetCode = widgetCode
  @extraParams = extraParams
  @products = products
end

Class Method Details

.calculateSignature(params, secret, version) ⇒ Object 



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# File 'lib/Paymentwall/Widget.rb', line 119

def self.calculateSignature(params, secret, version)
  require 'digest'
  baseString = ''

  if version == self::SIGNATURE_VERSION_1
    # TODO: throw exception if no uid parameter is present


    baseString += params.include?('uid') ? params['uid'] : ''
    baseString += secret

    return Digest::MD5.hexdigest(baseString)

  else

    keys = params.keys.sort

    keys.each do |name| 
      p = params[name]

      # converting array to hash

      if p.kind_of?(Array)
        p = Hash[p.map.with_index { |key, value| [value, key] }]
      end

      if p.kind_of?(Hash)
        subKeys = p.keys.sort
        subKeys.each do |key|
          value = p[key] 
          baseString += "#{name}[#{key}]=#{value}"
        end
      else
        baseString += "#{name}=#{p}"
      end
    end

    baseString += secret

    if version == self::SIGNATURE_VERSION_3
      return Digest::SHA256.hexdigest(baseString)
    else 
      return Digest::MD5.hexdigest(baseString)
    end

  end
end

Instance Method Details

#getDefaultSignatureVersion ⇒ Object 



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# File 'lib/Paymentwall/Widget.rb', line 13

def getDefaultSignatureVersion()
  return self.class::getApiType() != self.class::API_CART ? self.class::DEFAULT_SIGNATURE_VERSION : self.class::SIGNATURE_VERSION_2
end

#getHtmlCode(attributes = {}) ⇒ Object 



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# File 'lib/Paymentwall/Widget.rb', line 102

def getHtmlCode(attributes = {})
  defaultAttributes = {
    'frameborder' => '0',
    'width' => '750',
    'height' => '800'
  }

  attributes = defaultAttributes.merge(attributes)

  attributesQuery = ''
  attributes.each do |attr, value|
    attributesQuery += ' ' + attr.to_s + '="' + value.to_s + '"'
  end

  return '<iframe src="' + self.getUrl() + '" ' + attributesQuery + '></iframe>'
end

#getUrl ⇒ Object 



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# File 'lib/Paymentwall/Widget.rb', line 18

def getUrl()
  params = {
    'key' => self.class::getAppKey(),
    'uid' => @userId,
    'widget' => @widgetCode
  }

  productsNumber = @products.count()

  if self.class::getApiType() == self.class::API_GOODS

    if @products.kind_of?(Array)

      if productsNumber == 1
        product = @products[0]
        if product.kind_of?(Paymentwall::Product)

          postTrialProduct = nil
          if product.getTrialProduct().kind_of?(Paymentwall::Product)
              postTrialProduct = product
              product = product.getTrialProduct()
          end

          params['amount'] = product.getAmount()
          params['currencyCode'] = product.getCurrencyCode()
          params['ag_name'] = product.getName()
          params['ag_external_id'] = product.getId()
          params['ag_type'] = product.getType()

          if product.getType() == Paymentwall::Product::TYPE_SUBSCRIPTION
            params['ag_period_length'] = product.getPeriodLength()
            params['ag_period_type'] = product.getPeriodType()
            if product.isRecurring()

              params['ag_recurring'] = product.isRecurring() ? 1 : 0

              if postTrialProduct
                params['ag_trial'] = 1;
                params['ag_post_trial_external_id'] = postTrialProduct.getId()
                params['ag_post_trial_period_length'] = postTrialProduct.getPeriodLength()
                params['ag_post_trial_period_type'] = postTrialProduct.getPeriodType()
                params['ag_post_trial_name'] = postTrialProduct.getName()
                params['post_trial_amount'] = postTrialProduct.getAmount()
                params['post_trial_currencyCode'] = postTrialProduct.getCurrencyCode()
              end
            end
          end
        else
          #TODO: self.appendToErrors('Not an instance of Paymentwall::Product')

        end
      else 
        #TODO: self.appendToErrors('Only 1 product is allowed in flexible widget call')

      end

    end

  elsif self.class::getApiType() == self.class::API_CART
    index = 0
    @products.each do |product|
      params['external_ids[' + index.to_s + ']'] = product.getId()

      if product.getAmount() > 0
        params['prices[' + index.to_s + ']'] = product.getAmount()
      end
      if product.getCurrencyCode() != '' && product.getCurrencyCode() != nil
        params['currencies[' + index.to_s + ']'] = product.getCurrencyCode()
      end
      index += 1
    end
  end

  params['sign_version'] = signatureVersion = self.getDefaultSignatureVersion()

  if @extraParams.include?('sign_version')
    signatureVersion = params['sign_version'] = @extraParams['sign_version']
  end

  params = params.merge(@extraParams)

  params['sign'] = self.class.calculateSignature(params, self.class::getSecretKey(), signatureVersion)

  return self.class::BASE_URL + '/' + self.buildController(@widgetCode) + '?' + self.http_build_query(params)
end