Zig

Amazon Pay - Get Refund

See more Amazon Pay Examples

Get refund details. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

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

    const http = try chilkat.Http.init();
    defer http.deinit();

    // Implements the following CURL command:

    // curl "https://pay-api.amazon.com/:version/refunds/:refundId" \
    // -X GET
    // -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    // -H "x-amz-pay-date:20201012T235046Z"

    // Load your Amazon Pay private key.
    // There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
    // or from in-memory strings or bytes.
    const priv_key = try chilkat.PrivateKey.init();
    defer priv_key.deinit();
    priv_key.loadPemFile("C:/someDir/myAmazonPayPrivateKey.pem") catch {
        std.debug.print("{s}\n", .{try priv_key.getLastErrorText(alloc)});
        return;
    };

    // Provide your Amazon Pay private key and Public Key ID
    // Use your public key ID here.  It must be the one associated with the private key.
    const public_key_id = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    http.setAuthPrivateKey(public_key_id, priv_key) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    // Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
    // and will also sign the request.  Nothing more is needed.
    // Chilkat automatically generates and adds the following headers:
    //
    // x-amz-pay-date
    // x-amz-pay-host
    // x-amz-pay-region
    // Authorization

    http.setAccept("application/json");

    var resp_status_code: i32 = 0;

    const sb_response_body = try chilkat.StringBuilder.init();
    defer sb_response_body.deinit();
    try http.setUrlVar("refundId", "S01-5105180-3221187-R022311");
    // To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
    // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    http.quickGetSb("https://pay-api.amazon.eu/sandbox/v2/refunds/{$refundId}", sb_response_body) catch {
        // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
        resp_status_code = http.getLastStatus();
        if (resp_status_code != 0) {
            std.debug.print("Response Status Code = {d}\n", .{resp_status_code});
            std.debug.print("Response body:\n", .{});
            std.debug.print("{s}\n", .{try http.getLastResponseBody(alloc)});
        } else {
            std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        }

        return;
    };

    const j_resp = try chilkat.JsonObject.init();
    defer j_resp.deinit();
    j_resp.loadSb(sb_response_body) catch {};
    j_resp.setEmitCompact(false);

    std.debug.print("Response Body:\n", .{});
    std.debug.print("{s}\n", .{try j_resp.emit(alloc)});

    resp_status_code = http.getLastStatus();
    std.debug.print("Response Status Code = {d}\n", .{resp_status_code});
    // We expect a 200 status code for success.
    // Note: Some Amazon Pay API calls return 200 for success, others return 201.
    if (resp_status_code != 200) {
        std.debug.print("Failed.\n", .{});
        return;
    }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //      "refundId": "S01-5105180-3221187-R022311",
    //      "chargeId": "S01-5105180-3221187-C056351",
    //      "refundAmount": {
    //          "amount": "14.00",
    //          "currencyCode": "USD"
    //      },
    //      "softDescriptor": "Descriptor",
    //      "creationTimestamp": "20190714T155300Z",
    //      "statusDetails": {
    //          "state": "Refunded",
    //          "reasonCode": null,
    //          "reasonDescription": null,
    //          "lastUpdatedTimestamp": "20190714T155300Z"
    //      },
    //      "releaseEnvironment": "Sandbox"
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    _ = try j_resp.stringOf(alloc, "refundId");
    _ = try j_resp.stringOf(alloc, "chargeId");
    _ = try j_resp.stringOf(alloc, "refundAmount.amount");
    _ = try j_resp.stringOf(alloc, "refundAmount.currencyCode");
    _ = try j_resp.stringOf(alloc, "softDescriptor");
    _ = try j_resp.stringOf(alloc, "creationTimestamp");
    _ = try j_resp.stringOf(alloc, "statusDetails.state");
    _ = try j_resp.stringOf(alloc, "statusDetails.reasonCode");
    _ = try j_resp.stringOf(alloc, "statusDetails.reasonDescription");
    _ = try j_resp.stringOf(alloc, "statusDetails.lastUpdatedTimestamp");
    _ = try j_resp.stringOf(alloc, "releaseEnvironment");
}