(Objective-C) Shippo Create Customs Declaration

Demonstrates how to create a customs declaration and send a POST request with the necessary information to the Customs Declarations endpoint.

For more information, see https://goshippo.com/docs/international/

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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>
#import <CkoStringBuilder.h>
#import <NSString.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// Implements the following CURL command:

// curl https://api.goshippo.com/customs/declarations/ \
//     -H "Authorization: ShippoToken <API_TOKEN>" \
//     -H "Content-Type: application/json"  \
//     -d '{          
//           "contents_type": "MERCHANDISE",
//           "non_delivery_option": "RETURN",
//           "certify": true,
//           "certify_signer": "Simon Kreuz",
//           "incoterm": "DDU",
//           "items": [{
//                     "description": "T-shirt",
//                     "quantity": 20,
//                     "net_weight": "5",
//                     "mass_unit": "lb",
//                     "value_amount": "200",
//                     "value_currency": "USD",
//                     "tariff_number": "",
//                     "origin_country": "US"
//             }]
//     }'

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "contents_type": "MERCHANDISE",
//   "non_delivery_option": "RETURN",
//   "certify": true,
//   "certify_signer": "Simon Kreuz",
//   "incoterm": "DDU",
//   "items": [
//     {
//       "description": "T-shirt",
//       "quantity": 20,
//       "net_weight": "5",
//       "mass_unit": "lb",
//       "value_amount": "200",
//       "value_currency": "USD",
//       "tariff_number": "",
//       "origin_country": "US"
//     }
//   ]
// }

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"contents_type" value: @"MERCHANDISE"];
[json UpdateString: @"non_delivery_option" value: @"RETURN"];
[json UpdateBool: @"certify" value: YES];
[json UpdateString: @"certify_signer" value: @"Simon Kreuz"];
[json UpdateString: @"incoterm" value: @"DDU"];
[json UpdateString: @"items[0].description" value: @"T-shirt"];
[json UpdateInt: @"items[0].quantity" value: [NSNumber numberWithInt: 20]];
[json UpdateString: @"items[0].net_weight" value: @"5"];
[json UpdateString: @"items[0].mass_unit" value: @"lb"];
[json UpdateString: @"items[0].value_amount" value: @"200"];
[json UpdateString: @"items[0].value_currency" value: @"USD"];
[json UpdateString: @"items[0].tariff_number" value: @""];
[json UpdateString: @"items[0].origin_country" value: @"US"];

[http SetRequestHeader: @"Authorization" value: @"ShippoToken <API_TOKEN>"];
[http SetRequestHeader: @"Content-Type" value: @"application/json"];

CkoHttpResponse *resp = [http PostJson3: @"https://api.goshippo.com/customs/declarations/" contentType: @"application/json" json: json];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
[resp GetBodySb: sbResponseBody];
CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

int respStatusCode = [resp.StatusCode intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
if (respStatusCode >= 400) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",resp.Header);
    NSLog(@"%@",@"Failed.");

    return;
}

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

// {
//   "object_created": "2019-07-04T16:00:29.043Z",
//   "object_updated": "2019-07-04T16:00:29.043Z",
//   "object_id": "4a1e6ab7b1ba49ed9bc6cb1a8798e0fd",
//   "object_owner": "admin@chilkatsoft.com",
//   "object_state": "VALID",
//   "address_importer": null,
//   "certify_signer": "Simon Kreuz",
//   "certify": true,
//   "items": [
//     "4096c68693364b7ea0af72fb869ee861"
//   ],
//   "non_delivery_option": "RETURN",
//   "contents_type": "MERCHANDISE",
//   "contents_explanation": "",
//   "exporter_reference": "",
//   "importer_reference": "",
//   "invoice": "",
//   "commercial_invoice": false,
//   "license": "",
//   "certificate": "",
//   "notes": "",
//   "eel_pfc": "",
//   "aes_itn": "",
//   "disclaimer": "",
//   "incoterm": "DDU",
//   "metadata": "",
//   "test": true,
//   "duties_payor": null
// }

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

NSString *strVal = 0;

NSString *object_created = [jResp StringOf: @"object_created"];
NSString *object_updated = [jResp StringOf: @"object_updated"];
NSString *object_id = [jResp StringOf: @"object_id"];
NSString *object_owner = [jResp StringOf: @"object_owner"];
NSString *object_state = [jResp StringOf: @"object_state"];
NSString *address_importer = [jResp StringOf: @"address_importer"];
NSString *certify_signer = [jResp StringOf: @"certify_signer"];
BOOL certify = [jResp BoolOf: @"certify"];
NSString *non_delivery_option = [jResp StringOf: @"non_delivery_option"];
NSString *contents_type = [jResp StringOf: @"contents_type"];
NSString *contents_explanation = [jResp StringOf: @"contents_explanation"];
NSString *exporter_reference = [jResp StringOf: @"exporter_reference"];
NSString *importer_reference = [jResp StringOf: @"importer_reference"];
NSString *invoice = [jResp StringOf: @"invoice"];
BOOL commercial_invoice = [jResp BoolOf: @"commercial_invoice"];
NSString *license = [jResp StringOf: @"license"];
NSString *certificate = [jResp StringOf: @"certificate"];
NSString *notes = [jResp StringOf: @"notes"];
NSString *eel_pfc = [jResp StringOf: @"eel_pfc"];
NSString *aes_itn = [jResp StringOf: @"aes_itn"];
NSString *disclaimer = [jResp StringOf: @"disclaimer"];
NSString *incoterm = [jResp StringOf: @"incoterm"];
NSString *metadata = [jResp StringOf: @"metadata"];
BOOL test = [jResp BoolOf: @"test"];
NSString *duties_payor = [jResp StringOf: @"duties_payor"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"items"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    strVal = [jResp StringOf: @"items[i]"];
    i = i + 1;
}