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