Zig
Zig
PayPal Create Invoice
See more PayPal Examples
Creates a draft invoice.Chilkat Zig Downloads
const std = @import("std");
const chilkat = @import("chilkat");
pub fn main(init: std.process.Init) !void {
const alloc = init.arena.allocator();
// Note: Requires Chilkat v9.5.0.64 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)
const json_token = try chilkat.JsonObject.init();
defer json_token.deinit();
json_token.loadFile("qa_data/tokens/paypal.json") catch {};
// Build the Authorization request header field value.
const sb_auth = try chilkat.StringBuilder.init();
defer sb_auth.deinit();
// token_type should be "Bearer"
sb_auth.append(try json_token.stringOf(alloc, "token_type")) catch {};
sb_auth.append(" ") catch {};
sb_auth.append(try json_token.stringOf(alloc, "access_token")) catch {};
// 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.
const rest = try chilkat.Rest.init();
defer rest.deinit();
const b_auto_reconnect = true;
rest.connect("api.sandbox.paypal.com", 443, true, b_auto_reconnect) catch {
std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
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..
// ----------------------------------------------------------------------------------------------
// First create a JSON invoice:
const json = try chilkat.JsonObject.init();
defer json.deinit();
json.setEmitCompact(false);
json.updateString("merchant_info.email", "frank-facilitator@example.com") catch {};
json.updateString("merchant_info.first_name", "Frank") catch {};
json.updateString("merchant_info.last_name", "Facilitator") catch {};
json.updateString("merchant_info.business_name", "Medical Professionals, LLC") catch {};
json.updateString("merchant_info.phone.country_code", "001") catch {};
json.updateString("merchant_info.phone.national_number", "5032141716") catch {};
json.updateString("merchant_info.address.line1", "1234 Main St.") catch {};
json.updateString("merchant_info.address.city", "Portland") catch {};
json.updateString("merchant_info.address.state", "OR") catch {};
json.updateString("merchant_info.address.postal_code", "97217") catch {};
json.updateString("merchant_info.address.country_code", "US") catch {};
json.updateString("billing_info[0].email", "frank-buyer@somewhere.com") catch {};
json.updateString("items[0].name", "Sutures") catch {};
json.updateInt("items[0].quantity", 100) catch {};
json.updateString("items[0].unit_price.currency", "USD") catch {};
json.updateString("items[0].unit_price.value", "5") catch {};
json.updateString("note", "Medical Invoice 16 Jul, 2013 PST") catch {};
json.updateString("payment_term.term_type", "NET_45") catch {};
json.updateString("shipping_info.first_name", "Sally") catch {};
json.updateString("shipping_info.last_name", "Patient") catch {};
json.updateString("shipping_info.business_name", "Not applicable") catch {};
json.updateString("shipping_info.phone.country_code", "001") catch {};
json.updateString("shipping_info.phone.national_number", "5039871234") catch {};
json.updateString("shipping_info.address.line1", "1234 Broad St.") catch {};
json.updateString("shipping_info.address.city", "Portland") catch {};
json.updateString("shipping_info.address.state", "OR") catch {};
json.updateString("shipping_info.address.postal_code", "97216") catch {};
json.updateString("shipping_info.address.country_code", "US") catch {};
std.debug.print("{s}\n", .{try json.emit(alloc)});
// The JSON invoice created by the above code:
// {
// "merchant_info": {
// "email": "frank-facilitator@example.com",
// "first_name": "Frank",
// "last_name": "Facilitator",
// "business_name": "Medical Professionals, LLC",
// "phone": {
// "country_code": "001",
// "national_number": "5032141716"
// },
// "address": {
// "line1": "1234 Main St.",
// "city": "Portland",
// "state": "OR",
// "postal_code": "97217",
// "country_code": "US"
// }
// },
// "billing_info": [
// {
// "email": "frank-buyer@somewhere.com"
// }
// ],
// "items": [
// {
// "name": "Sutures",
// "quantity": 100,
// "unit_price": {
// "currency": "USD",
// "value": "5"
// }
// }
// ],
// "note": "Medical Invoice 16 Jul, 2013 PST",
// "payment_term": {
// "term_type": "NET_45"
// },
// "shipping_info": {
// "first_name": "Sally",
// "last_name": "Patient",
// "business_name": "Not applicable",
// "phone": {
// "country_code": "001",
// "national_number": "5039871234"
// },
// "address": {
// "line1": "1234 Broad St.",
// "city": "Portland",
// "state": "OR",
// "postal_code": "97216",
// "country_code": "US"
// }
// }
// }
// Send the POST equivalent to this CURL command:
// curl -v -X POST https://api.sandbox.paypal.com/v1/invoicing/invoices/ \
// -H "Content-Type:application/json" \
// -H "Authorization: Bearer Access-Token" \
// -d '{ invoice JSON goes here }'
json.setEmitCompact(true);
const sb_request_body = try chilkat.StringBuilder.init();
defer sb_request_body.deinit();
const sb_response_body = try chilkat.StringBuilder.init();
defer sb_response_body.deinit();
rest.addHeader("Content-Type", "application/json") catch {};
rest.addHeader("Authorization", try sb_auth.getAsString(alloc)) catch {};
json.emitSb(sb_request_body) catch {};
rest.fullRequestSb("POST", "/v1/invoicing/invoices", sb_request_body, sb_response_body) catch {
std.debug.print("{s}\n", .{try rest.getLastErrorText(alloc)});
return;
};
// We should have some sort of JSON response. It could be successful, or an error.
const json_response = try chilkat.JsonObject.init();
defer json_response.deinit();
json_response.setEmitCompact(false);
json_response.loadSb(sb_response_body) catch {};
std.debug.print("Response Status Code = {d}\n", .{rest.getResponseStatusCode()});
// Did we get a 201 success response?
if (rest.getResponseStatusCode() != 201) {
// Show the JSON response body
std.debug.print("{s}\n", .{try json_response.emit(alloc)});
std.debug.print("{s}\n", .{try rest.getLastRequestStartLine(alloc)});
std.debug.print("{s}\n", .{try rest.getLastRequestHeader(alloc)});
std.debug.print("Failed.\n", .{});
return;
}
// Show a few parts of the JSON response
std.debug.print("id: {s}\n", .{try json_response.stringOf(alloc, "id")});
std.debug.print("number: {s}\n", .{try json_response.stringOf(alloc, "number")});
std.debug.print("template_id: {s}\n", .{try json_response.stringOf(alloc, "template_id")});
std.debug.print("status: {s}\n", .{try json_response.stringOf(alloc, "status")});
// Show the full JSON response.
std.debug.print("{s}\n", .{try json_response.emit(alloc)});
std.debug.print("Success.\n", .{});
// A successful response looks like this:
// {
// "id": "INV2-ZG2H-HKAW-PMWU-N6ZR",
// "number": "0001",
// "template_id": "TEMP-8HS37702UW384535K",
// "status": "DRAFT",
// "merchant_info": {
// "email": "smith-facilitator@chilkatsoft.com",
// "first_name": "Joe",
// "last_name": "Facilitator",
// "business_name": "Medical Professionals, LLC",
// "phone": {
// "country_code": "001",
// "national_number": "5032141716"
// },
// "address": {
// "line1": "1234 Main St.",
// "city": "Portland",
// "state": "OR",
// "postal_code": "97217",
// "country_code": "US"
// }
// },
// "billing_info": [
// {
// "email": "smith-buyer@chilkatsoft.com"
// }
// ],
// "shipping_info": {
// "first_name": "Sally",
// "last_name": "Patient",
// "business_name": "Not applicable",
// "phone": {
// "country_code": "001",
// "national_number": "5039871234"
// },
// "address": {
// "line1": "1234 Broad St.",
// "city": "Portland",
// "state": "OR",
// "postal_code": "97216",
// "country_code": "US"
// }
// },
// "items": [
// {
// "name": "Sutures",
// "quantity": 100.0,
// "unit_price": {
// "currency": "USD",
// "value": "5.00"
// }
// }
// ],
// "invoice_date": "2016-11-15 PST",
// "payment_term": {
// "term_type": "NET_45",
// "due_date": "2016-12-30 PST"
// },
// "tax_calculated_after_discount": false,
// "tax_inclusive": false,
// "note": "Medical Invoice 16 Jul, 2013 PST",
// "total_amount": {
// "currency": "USD",
// "value": "500.00"
// },
// "metadata": {
// "created_date": "2016-11-15 06:17:03 PST"
// },
// "links": [
// {
// "rel": "self",
// "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
// "method": "GET"
// },
// {
// "rel": "send",
// "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/send",
// "method": "POST"
// },
// {
// "rel": "update",
// "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR/update",
// "method": "PUT"
// },
// {
// "rel": "delete",
// "href": "https://api.sandbox.paypal.com/v1/invoicing/invoices/INV2-ZG2H-HKAW-PMWU-N6ZR",
// "method": "DELETE"
// }
// ]
// }
//
}