Rust

PayPal - Create a PayPal Payment

See more PayPal Examples

Creates a payment to be paid from a PayPal account (as opposed to being funded by a credit card).

Note: This example requires Chilkat v9.5.0.65 or greater.

Rust

// Note: Requires Chilkat v9.5.0.65 or greater.

// This requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Load our previously obtained access token. (see PayPal OAuth2 Access Token)
let json_token = chilkat::JsonObject::new();
let _ = json_token.load_file("qa_data/tokens/paypal.json");

// Build the Authorization request header field value.
let sb_auth = chilkat::StringBuilder::new();
// token_type should be "Bearer"
let _ = sb_auth.append(&json_token.string_of("token_type").unwrap_or_default());
let _ = sb_auth.append(" ");
let _ = sb_auth.append(&json_token.string_of("access_token").unwrap_or_default());

// Make the initial connection.
// A single REST object, once connected, can be used for many PayPal REST API calls.
// The auto-reconnect indicates that if the already-established HTTPS connection is closed,
// then it will be automatically re-established as needed.
let rest = chilkat::Rest::new();
let b_auto_reconnect = true;
if rest.connect("api.sandbox.paypal.com", 443, true, b_auto_reconnect).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

// ----------------------------------------------------------------------------------------------
// The code above this comment could be placed inside a function/subroutine within the application
// because the connection does not need to be made for every request.  Once the connection is made
// the app may send many requests..
// ----------------------------------------------------------------------------------------------

// Build the JSON containing the transaction information.
let json = chilkat::JsonObject::new();
json.set_emit_compact(false);
let _ = json.update_string("intent", "sale");
let _ = json.update_string("redirect_urls.return_url", "http://www.example.com/return_url");
let _ = json.update_string("redirect_urls.cancel_url", "http://www.example.com/cancel_url");
let _ = json.update_string("payer.payment_method", "paypal");
let _ = json.update_string("transactions[0].amount.total", "7.47");
let _ = json.update_string("transactions[0].amount.currency", "USD");
let _ = json.update_string("transactions[0].description", "This is the payment transaction description.");

println!("{}", json.emit().unwrap_or_default());

// The JSON created by the above code is this:

// 	{ 
// 	  "intent": "sale",
// 	  "redirect_urls": { 
// 	    "return_url": "http://www.example.com/return_url",
// 	    "cancel_url": "http://www.example.com/cancel_url"
// 	  },
// 	  "payer": { 
// 	    "payment_method": "paypal"
// 	  },
// 	  "transactions": [
// 	    { 
// 	      "amount": { 
// 	        "total": "7.47",
// 	        "currency": "USD"
// 	      },
// 	      "description": "This is the payment transaction description."
// 	    }
// 	  ]
// 	}

let _ = rest.add_header("Authorization", &sb_auth.get_as_string().unwrap_or_default());
let _ = rest.add_header("Content-Type", "application/json");

// Send the POST request containign the JSON in the request body, and get the JSON response.
let sb_json_request = chilkat::StringBuilder::new();
json.set_emit_compact(true);
let _ = json.emit_sb(&sb_json_request);
let sb_json_response = chilkat::StringBuilder::new();
if rest.full_request_sb("POST", "/v1/payments/payment", &sb_json_request, &sb_json_response).is_err() {
    println!("{}", rest.last_error_text());
    return;
}

json.set_emit_compact(false);
let _ = json.load_sb(&sb_json_response);

println!("Response Status Code = {}", rest.response_status_code());

// Did we get a 201 success response?
if rest.response_status_code() != 201 {
    println!("{}", json.emit().unwrap_or_default());
    println!("Failed.");
    return;
}

// Sample JSON response is shown below.
println!("{}", json.emit().unwrap_or_default());
println!("success");

// ------------------------------------------------
// A sample JSON response:

// 	{ 
// 	  "id": "PAY-1XK50350XV338620BLA3CZGI",
// 	  "intent": "sale",
// 	  "state": "created",
// 	  "payer": { 
// 	    "payment_method": "paypal",
// 	    "use_vendor_currency_conversion": false
// 	  },
// 	  "transactions": [
// 	    { 
// 	      "amount": { 
// 	        "total": "7.47",
// 	        "currency": "USD"
// 	      },
// 	      "description": "This is the payment transaction description.",
// 	      "related_resources": [
// 	      ]
// 	    }
// 	  ],
// 	  "create_time": "2016-11-23T23:56:09Z",
// 	  "links": [
// 	    { 
// 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-1XK50350XV338620BLA3CZGI",
// 	      "rel": "self",
// 	      "method": "GET"
// 	    },
// 	    { 
// 	      "href": "https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_express-checkout&token=EC-0BG932459F977083J",
// 	      "rel": "approval_url",
// 	      "method": "REDIRECT"
// 	    },
// 	    { 
// 	      "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-1XK50350XV338620BLA3CZGI/execute",
// 	      "rel": "execute",
// 	      "method": "POST"
// 	    }
// 	  ]
// 	}