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Zig

UPS Tracking API

See more HTTP Misc Examples

Demonstrates making a call to the UPS tracking REST API. Parses the tracking response and extracts the base64 signature image to a gif file.

Chilkat Zig Downloads

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

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

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

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

    // This is the testing endpoint for the tracking API:
    const url = "https://wwwcie.ups.com/rest/Track";

    // Send an HTTP request with the following JSON body:

    // {
    //   "UPSSecurity": {
    //     "UsernameToken": {
    //       "Username": "Your Username",
    //       "Password": "Your Password"
    //     },
    //     "ServiceAccessToken": {
    //       "AccessLicenseNumber": "Your Access License Number"
    //     }
    //   },
    //   "TrackRequest": {
    //     "Request": {
    //       "RequestOption": "1",
    //       "TransactionReference": {
    //         "CustomerContext": "Your Test Case Summary Description"
    //       }
    //     },
    //     "InquiryNumber": "YourTrackingNumber"
    //   }
    // }
    //

    // Build the above JSON.
    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.updateString("UPSSecurity.UsernameToken.Username", "UPS_USERNAME") catch {};
    json.updateString("UPSSecurity.UsernameToken.Password", "UPS_PASSWORD") catch {};
    json.updateString("UPSSecurity.ServiceAccessToken.AccessLicenseNumber", "UPS_ACCESS_KEY") catch {};
    // Request all activity...
    json.updateString("TrackRequest.Request.RequestOption", "activity") catch {};
    json.updateString("TrackRequest.Request.TransactionReference.CustomerContext", "Your Test Case Summary Description") catch {};
    json.updateString("TrackRequest.InquiryNumber", "1Z12345E0205271688") catch {};

    const sb = try chilkat.StringBuilder.init();
    defer sb.deinit();
    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpJson("POST", url, json, "application/json", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("status = {d}\n", .{resp.getStatusCode()});

    // A 200 response status indicate success.
    if (resp.getStatusCode() != 200) {
        std.debug.print("{s}\n", .{try resp.getBodyStr(alloc)});
        std.debug.print("Failed.\n", .{});
        return;
    }

    json.load(try resp.getBodyStr(alloc)) catch {};
    json.setEmitCompact(false);
    std.debug.print("{s}\n", .{try json.emit(alloc)});

    // {
    //   "TrackResponse": {
    //     "Response": {
    //       "ResponseStatus": {
    //         "Code": "1",
    //         "Description": "Success"
    //       },
    //       "TransactionReference": {
    //         "CustomerContext": "Your Test Case Summary Description"
    //       }
    //     },
    //     "Shipment": {
    //       "InquiryNumber": {
    //         "Code": "01",
    //         "Description": "ShipmentIdentificationNumber",
    //         "Value": "1Z12345E0205271688"
    //       },
    //       "ShipmentType": {
    //         "Code": "01",
    //         "Description": "Small Package"
    //       },
    //       "ShipperNumber": "12345E",
    //       "Service": {
    //         "Code": "002",
    //         "Description": "2ND DAY AIR"
    //       },
    //       "ReferenceNumber": {
    //         "Code": "01",
    //         "Value": "LINE4AND115"
    //       },
    //       "PickupDate": "19990608",
    //       "Package": {
    //         "TrackingNumber": "1Z12345E0205271688",
    //         "Activity": [
    //           {
    //             "ActivityLocation": {
    //               "Address": {
    //                 "City": "ANYTOWN",
    //                 "StateProvinceCode": "GA",
    //
    //                 "PostalCode": "30340",
    //                 "CountryCode": "US"
    //               },
    //               "Code": "ML",
    //               "Description": "BACK DOOR",
    //               "SignedForByName": "JOHN DOE"
    //             },
    //             "Status": {
    //               "Type": "D",
    //               "Description": "DELIVERED",
    //               "Code": "KM"
    //             },
    //             "Date": "19990610",
    //             "Time": "120000",
    //             "Document": {
    //               "Type": {
    //                 "Code": "01",
    //                 "Description": "Signature Image"
    //               },
    //               "Content": "R0lGODdhoA ... JU9Y8RdHsRKLMVJ4MVDMREAAADs=",
    //               "Format": {
    //                 "Code": "01",
    //                 "Description": "GIF"
    //               }
    //             }
    //           },
    //           {
    //             "Status": {
    //               "Type": "M",
    //               "Description": "BILLING INFORMATION RECEIVED. SHIPMENT DATE PENDING.",
    //               "Code": "MP"
    //             },
    //             "Date": "19990608",
    //             "Time": "120000"
    //           }
    //         ],
    //         "PackageWeight": {
    //           "UnitOfMeasurement": {
    //             "Code": "LBS"
    //           },
    //           "Weight": "5.00"
    //         },
    //         "ReferenceNumber": [
    //           {
    //             "Code": "01",
    //             "Value": "LINE4AND115"
    //           },
    //           {
    //             "Code": "08",
    //             "Value": "LJ67Y5"
    //           }
    //         ]
    //       }
    //     },
    //     "Disclaimer": "You are using UPS tracking service on customer integration test environment, please switch to UPS production environment once you finish the test. The URL is https://onlinetools.ups.com/webservices/Track"
    //   }
    // }

    // Use the online tool at Generate JSON Parsing Code
    // to generate JSON parsing code.

    const status_code = try json.stringOf(alloc, "TrackResponse.Response.ResponseStatus.Code");
    const status_description = try json.stringOf(alloc, "TrackResponse.Response.ResponseStatus.Description");
    std.debug.print("statusCode: {s}\n", .{status_code});
    std.debug.print("statusDescription{s}\n", .{status_description});
    _ = try json.stringOf(alloc, "TrackResponse.Response.TransactionReference.CustomerContext");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.InquiryNumber.Code");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.InquiryNumber.Description");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.InquiryNumber.Value");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.ShipmentType.Code");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.ShipmentType.Description");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.ShipperNumber");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.Service.Code");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.Service.Description");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.ReferenceNumber.Code");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.ReferenceNumber.Value");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.PickupDate");
    const tracking_number = try json.stringOf(alloc, "TrackResponse.Shipment.Package.TrackingNumber");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.PackageWeight.UnitOfMeasurement.Code");
    _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.PackageWeight.Weight");
    _ = try json.stringOf(alloc, "TrackResponse.Disclaimer");

    var i: i32 = 0;
    const activity_count = json.sizeOfArray("TrackResponse.Shipment.Package.Activity");
    std.debug.print("activityCount: {d}\n", .{activity_count});

    while (i < activity_count) {
        std.debug.print("-- activity {d}\n", .{i});
        json.setI(i);
        if (json.hasMember("TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.City")) {
            const city = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.City");
            std.debug.print("city: {s}\n", .{city});
            _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.StateProvinceCode");
            _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.PostalCode");
            _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Address.CountryCode");
        }

        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Code");
        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.Description");
        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].ActivityLocation.SignedForByName");

        const activity_status_type = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Status.Type");
        std.debug.print("activityStatusType: {s}\n", .{activity_status_type});
        const activity_status_description = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Status.Description");
        std.debug.print("activityStatusDescription: {s}\n", .{activity_status_description});
        const activity_status_code = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Status.Code");
        std.debug.print("activityStatusCode: {s}\n", .{activity_status_code});

        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Date");
        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Time");

        if (json.hasMember("TrackResponse.Shipment.Package.Activity[i].Document")) {
            const type_code = json.intOf("TrackResponse.Shipment.Package.Activity[i].Document.Type.Code");
            _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Document.Type.Description");
            const document_content = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Document.Content");
            _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Document.Format.Code");
            // Format description would be something like "GIF" for a signature image.
            const document_format_description = try json.stringOf(alloc, "TrackResponse.Shipment.Package.Activity[i].Document.Format.Description");

            // 01 - Signature Image
            // 02 - Delivery Receipt
            // 03 - Free Astray
            // 04 - POD
            if (type_code == 1) {
                // We have a signature image.  Get the image data and save to a file.
                const sb_image_path = try chilkat.StringBuilder.init();
                defer sb_image_path.deinit();
                sb_image_path.append("qa_output/sig_") catch {};
                sb_image_path.append(tracking_number) catch {};
                sb_image_path.append(".") catch {};
                sb_image_path.append(document_format_description) catch {};
                const image_data = try chilkat.BinData.init();
                defer image_data.deinit();
                try image_data.appendEncoded(document_content, "base64");
                // Write to "qa_output/sig_1Z12345E0205271688.GIF"
                try image_data.writeFile(try sb_image_path.getAsString(alloc));
            }
        }

        i = i + 1;
    }

    i = 0;
    const refnum_count = json.sizeOfArray("TrackResponse.Shipment.Package.ReferenceNumber");
    while (i < refnum_count) {
        json.setI(i);
        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.ReferenceNumber[i].Code");
        _ = try json.stringOf(alloc, "TrackResponse.Shipment.Package.ReferenceNumber[i].Value");
        i = i + 1;
    }

    std.debug.print("Success.\n", .{});
}