(C++) Merge SP-API JSON Order Arrays

See more Amazon SP-API Examples

Demonstrates how to merge JSON arrays for the case of Amazon SP-API orders.

Chilkat C/C++ Library Downloads
MS Visual C/C++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <CkJsonObject.h>
#include <CkJsonArray.h>

void ChilkatSample(void)
    {
    // Batch 1 File
    const char *a1 = "{\"payload\": {\"Orders\": [{\"AmazonOrderId\": \"1\",\"OrderStatus\": \"Unshipped\"},{\"AmazonOrderId\": \"2\",\"OrderStatus\": \"Unshipped\"}]}";

    // Batch 2 File
    const char *a2 = "{\"payload\": {\"Orders\": [{\"AmazonOrderId\": \"3\",\"OrderStatus\": \"Unshipped\"},{\"AmazonOrderId\": \"4\",\"OrderStatus\": \"Unshipped\"}]}";

    // Required Merged File
    // {"payload": {"Orders": [{"AmazonOrderId": "1","OrderStatus": "Unshipped"},{"AmazonOrderId": "2","OrderStatus": "Unshipped"},{"AmazonOrderId": "3","OrderStatus": "Unshipped"},{"AmazonOrderId": "4","OrderStatus": "Unshipped"}]}

    bool success = true;
    CkJsonObject json1;
    json1.Load(a1);

    CkJsonObject json2;
    json2.Load(a2);

    // We're going to add the order records from json2 to json1.
    CkJsonArray *jarr1 = json1.ArrayOf("payload.Orders");
    CkJsonArray *jarr2 = json2.ArrayOf("payload.Orders");

    int i = 0;
    int numOrders = jarr2->get_Size();
    while ((i < numOrders)) {
        CkJsonObject *jOrder = jarr2->ObjectAt(i);
        // Assuming non-null return...
        jarr1->AddObjectCopyAt(-1,*jOrder);
        i = i + 1;
    }

    // Show the merged JSON.
    json1.put_EmitCompact(false);
    std::cout << json1.emit() << "\r\n";

    // Result:

    // {
    //   "payload": {
    //     "Orders": [
    //       {
    //         "AmazonOrderId": "1",
    //         "OrderStatus": "Unshipped"
    //       },
    //       {
    //         "AmazonOrderId": "2",
    //         "OrderStatus": "Unshipped"
    //       },
    //       {
    //         "AmazonOrderId": "3",
    //         "OrderStatus": "Unshipped"
    //       },
    //       {
    //         "AmazonOrderId": "4",
    //         "OrderStatus": "Unshipped"
    //       }
    //     ]
    //   }
    // }
    }