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(C) QuickBooks - Query a Customer

Demonstrates how to query QuickBooks customers.

A sample JSON response body is available at Sample Quickbooks Customer Query JSON Response

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#include <C_CkJsonObject.h>
#include <C_CkOAuth1.h>
#include <C_CkRest.h>
#include <C_CkStringBuilder.h>

void ChilkatSample(void)
    {
    HCkJsonObject jsonToken;
    BOOL success;
    HCkOAuth1 oauth1;
    HCkRest rest;
    BOOL bAutoReconnect;
    HCkStringBuilder sbPath;
    int numReplacements;
    const char *query;
    const char *responseBody;
    HCkJsonObject json;
    int numRecords;
    int i;

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

    // This example also assumes an OAuth1 access token was previously fetched.
    // and saved in a JSON file.  See the Chilkat online examples at example-code.com
    // for Quickbooks OAuth1 examples (in the Quickbooks and OAuth1 categories)
    // 

    // First get our previously obtained access token.
    jsonToken = CkJsonObject_Create();
    success = CkJsonObject_LoadFile(jsonToken,"qa_data/tokens/quickbooks.json");

    oauth1 = CkOAuth1_Create();
    CkOAuth1_putConsumerKey(oauth1,"QUICKBOOKS_CONSUMER_KEY");
    CkOAuth1_putConsumerSecret(oauth1,"QUICKBOOKS_CONSUMER_SECRET");
    CkOAuth1_putToken(oauth1,CkJsonObject_stringOf(jsonToken,"oauth_token"));
    CkOAuth1_putTokenSecret(oauth1,CkJsonObject_stringOf(jsonToken,"oauth_token_secret"));

    rest = CkRest_Create();

    // Connect using TLS.
    // A single REST object, once connected, can be used for many Quickbooks 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.
    bAutoReconnect = TRUE;
    success = CkRest_Connect(rest,"sandbox-quickbooks.api.intuit.com",443,TRUE,bAutoReconnect);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkJsonObject_Dispose(jsonToken);
        CkOAuth1_Dispose(oauth1);
        CkRest_Dispose(rest);
        return;
    }

    CkRest_SetAuthOAuth1(rest,oauth1,FALSE);

    // The company ID is the realmId
    sbPath = CkStringBuilder_Create();
    CkStringBuilder_Append(sbPath,"/v3/company/<companyID>/query");
    numReplacements = CkStringBuilder_Replace(sbPath,"<companyID>",CkJsonObject_stringOf(jsonToken,"realmId"));

    CkRest_AddHeader(rest,"Accept","application/json");
    CkRest_putAllowHeaderFolding(rest,FALSE);

    query = "select * from Customer";
    CkRest_AddQueryParam(rest,"query",query);

    responseBody = CkRest_fullRequestNoBody(rest,"GET",CkStringBuilder_getAsString(sbPath));
    if (CkRest_getLastMethodSuccess(rest) != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkJsonObject_Dispose(jsonToken);
        CkOAuth1_Dispose(oauth1);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        return;
    }

    // We should expect a 200 response if successful.
    if (CkRest_getResponseStatusCode(rest) != 200) {
        printf("Request Header: \n");
        printf("%s\n",CkRest_lastRequestHeader(rest));
        printf("----\n");
        printf("Response StatusCode = %d\n",CkRest_getResponseStatusCode(rest));
        printf("Response StatusLine: %s\n",CkRest_responseStatusText(rest));
        printf("Response Header:\n");
        printf("%s\n",CkRest_responseHeader(rest));
        printf("%s\n",responseBody);
        CkJsonObject_Dispose(jsonToken);
        CkOAuth1_Dispose(oauth1);
        CkRest_Dispose(rest);
        CkStringBuilder_Dispose(sbPath);
        return;
    }

    // Load the JSON response into a JSON object for parsing.
    // A sample JSON response is shown below.
    json = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(json,FALSE);
    CkJsonObject_Load(json,responseBody);

    // Iterate over each customer returned.
    numRecords = CkJsonObject_SizeOfArray(json,"QueryResponse.Customer");
    i = 0;
    while (i < numRecords) {

        CkJsonObject_putI(json,i);
        printf("Name: %s\n",CkJsonObject_stringOf(json,"QueryResponse.Customer[i].FullyQualifiedName"));
        printf("Id: %s\n",CkJsonObject_stringOf(json,"QueryResponse.Customer[i].Id"));
        printf("City: %s\n",CkJsonObject_stringOf(json,"QueryResponse.Customer[i].BillAddr.City"));
        printf("----\n");
        i = i + 1;
    }

    printf("Success.\n");


    CkJsonObject_Dispose(jsonToken);
    CkOAuth1_Dispose(oauth1);
    CkRest_Dispose(rest);
    CkStringBuilder_Dispose(sbPath);
    CkJsonObject_Dispose(json);

    }

 

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