Add support for the PayPal payment gateway

[smagnusson]

Ideally, use the gateway option where we retain a one-page checkout, rather than going off to the paypal website to make payment.

This helps us retain our goal of making the shopping cart system really surprisingly easy for for the purchaser to use :)

[sminnee]

CMSWarrior, would you be able to look at this?

[nicolaas]

Hi

I am currently working on this - I will let you know if there is any progress.

Cheers

Nicolaas

[nicolaas]

Hi

I have just uploaded my first-first version of the PayPal? Payment method. What shall I do next or what is the process from here.

Cheers

Nicolaas

[smagnusson]

1. Can you upload a screenshot of what it looks like so we can confirm it all looks normal? 2. Please put a post on the forum and on silverstripe-dev for others to review it, and once someone else has done so, we'll look at it. The reason being, there a hundred people after this and so they will have the time and patience to go through it and offer suggestions and so on. :)

[nicolaas]

FYI, the paypal application I have made is based on the standard one, which goes through to the paypal payment gateway on the paypal server. The original idea was to have the more sophisticated one where you can make payments on your own website.

However, I think the current one will be a lot more interesting as Paypal is most often used as a first step into e-commerce, while more sophisticated payment gateways are more likely provided by other companies.

[nicolaas]

http://www.silverstripe.com/extending-hacking-silverstripe-forum/flat/42312

[smagnusson]

That's fine. Please show screenshots or take a screenshot using Wink showing the process so it makes it really easy for us to evaluate and give feedback ! :)

[nicolaas]

Just to be clear. To have an "on-site" payment gateway is significantly more expensive than to use the paypal "off-site" gateway. This is why first-time e-commerce folk often use the off-site one.

[anthonykennelly]

Hi Nicolaas Is it possible to supply all required files for the paypal payment gateway. i.e all the ss files and any other php files necessary for a complete solution so everybody can test it?

Unless of course you are not at this stage yet.

I agree with the off-site payment option. The on-site option could be something to consider once the off-site is complete so it sits more in line with the other payment gateways which are all fee based.

[nicolaas]

this is the only other file I created specifically for the paypal payment page. The rest is in the e-commerce application.

[anthonykennelly]

Fixes the form autosubmit problem

[rlouis]

The PayPalPayment? has been added to the Ecommerce trunk now !

Thanks Nicolaas and Anthony for your work on this !

As for the paypal gateway issue, I also agree with Nicolaas about what he said, the offside payment gateway is definitely better, especially the one of PayPal? where you can send all your order details (items names, price, quantity, shipping optional and tax optional).

As I have said in the ticket #1373, The paypal payment is going through a redirection page, and a security code has been added to the Payment part of Ecommerce to make sure that a user can not valid a 'uncomplete' paypal payment by the url !

In addition to the fact that the 'off-site' gateway is free, it's a lot simpler to manage in the way that the fields validation work is managed by PayPal?.

Some test still needs to be done on this.

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