(C++) GeoOp - Export Clients to CSV

Export client data to a CSV.

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#include <CkJsonObject.h>
#include <CkOAuth2.h>
#include <CkRest.h>
#include <CkCsv.h>

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

    // This example also assumes an OAuth2 access token was previously fetched.
    // and saved in a JSON file.  

    // First get our previously obtained access token.
    // {"access_token":"e6dqdG....mzjpT04w==","token_type":"Bearer","expires_in":2592000,"owner_id":999236}
    CkJsonObject jsonToken;
    bool success = jsonToken.LoadFile("qa_data/tokens/geoop.json");

    // This example assumes we previously obtained an access token
    CkOAuth2 oauth2;
    oauth2.put_AccessToken(jsonToken.stringOf("access_token"));

    CkRest rest;

    // Connect to GeoOp and send the following GET request:

    // GET /users HTTP/1.1
    // Host: api.geoop.com
    bool bAutoReconnect = true;
    success = rest.Connect("api.geoop.com",443,true,bAutoReconnect);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // Provide the authentication credentials (i.e. the access token)
    rest.SetAuthOAuth2(oauth2);

    // Set the X-Version header.
    rest.AddHeader("X-Version","1.0");

    const char *responseBody = rest.fullRequestNoBody("GET","/clients");
    if (rest.get_LastMethodSuccess() != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    CkJsonObject json;
    json.put_EmitCompact(false);

    // If the response status code did not indicate success, then see what happened..
    if (rest.get_ResponseStatusCode() != 200) {
        std::cout << "Request Header: " << "\r\n";
        std::cout << rest.lastRequestHeader() << "\r\n";
        std::cout << "----" << "\r\n";
        std::cout << "Response StatusCode = " << rest.get_ResponseStatusCode() << "\r\n";
        std::cout << "Response StatusLine: " << rest.responseStatusText() << "\r\n";
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        json.Load(responseBody);
        std::cout << json.emit() << "\r\n";
        return;
    }

    json.Load(responseBody);
    // Show the full JSON response.. (see below)
    std::cout << json.emit() << "\r\n";
    std::cout << "---" << "\r\n";

    CkCsv csv;
    csv.put_HasColumnNames(true);
    csv.SetColumnName(0,"id");
    csv.SetColumnName(1,"companyName");
    csv.SetColumnName(2,"businessType");
    csv.SetColumnName(3,"account_id");
    csv.SetColumnName(4,"address_line1");
    csv.SetColumnName(5,"address_city");
    csv.SetColumnName(6,"address_postcode");

    // Iterate over each client and populate the CSV...
    int numRecords = json.SizeOfArray("clients");
    int i = 0;
    while (i < numRecords) {

        json.put_I(i);
        csv.SetCellByName(i,"id",json.stringOf("clients[i].id"));
        csv.SetCellByName(i,"companyName",json.stringOf("clients[i].companyName"));
        csv.SetCellByName(i,"businessType",json.stringOf("clients[i].businessType"));
        csv.SetCellByName(i,"account_id",json.stringOf("clients[i].account.id"));
        csv.SetCellByName(i,"address_line1",json.stringOf("clients[i].address.line1"));
        csv.SetCellByName(i,"address_city",json.stringOf("clients[i].address.city"));
        csv.SetCellByName(i,"address_postcode",json.stringOf("clients[i].address.postcode"));
        i = i + 1;
    }

    // Show the CSV.
    std::cout << csv.saveToString() << "\r\n";

    // Save the CSV.
    csv.SaveFile("qa_output/clients.csv");

    // ---------------------------------------------------------------------
    // The full JSON response containing all client data:
    // 
    // 	{
    // 	  "result": "success",
    // 	  "clients": [
    // 	    {
    // 	      "id": 9555868,
    // 	      "firstName": "[ Demo",
    // 	      "lastName": "Client ]",
    // 	      "companyName": "Miller Park Cafe",
    // 	      "businessType": "Licensed Restaurant",
    // 	      "leadSource": "",
    // 	      "emailAddress": null,
    // 	      "phoneNumber": null,
    // 	      "mobileNumber": null,
    // 	      "faxNumber": null,
    // 	      "notes": "",
    // 	      "deleted": false,
    // 	      "hasRecentJobs": true,
    // 	      "created": "2016-10-26T12:05:09+00:00",
    // 	      "modified": "2016-10-26T12:05:09+00:00",
    // 	      "billingClient": null,
    // 	      "account": {
    // 	        "id": 39409
    // 	      },
    // 	      "address": {
    // 	        "line1": "1732 Pennsylvania Avenue NW",
    // 	        "line2": "",
    // 	        "city": "Washington",
    // 	        "postcode": "20006",
    // 	        "latitude": 38.899037,
    // 	        "longitude": -77.040207
    // 	      },
    // 	      "mailingAddress": {}
    // 	    },
    // 	    {
    // 	      "id": 9571176,
    // 	      "firstName": "Mildred",
    // 	      "lastName": "Vanildred",
    // 	      "companyName": "Ice Cream Industries",
    // 	      "businessType": "Ice Cream",
    // 	      "leadSource": null,
    // 	      "emailAddress": "milli@icecreamindustries.com",
    // 	      "phoneNumber": "678-555-1012",
    // 	      "mobileNumber": null,
    // 	      "faxNumber": null,
    // 	      "notes": "",
    // 	      "deleted": false,
    // 	      "hasRecentJobs": true,
    // 	      "created": "2016-10-31T12:32:12+00:00",
    // 	      "modified": "2016-10-31T12:32:13+00:00",
    // 	      "billingClient": null,
    // 	      "account": {
    // 	        "id": 39409
    // 	      },
    // 	      "address": {
    // 	        "line1": "2101 West Roosevelt Road",
    // 	        "line2": null,
    // 	        "city": "Wheaton",
    // 	        "postcode": "60187",
    // 	        "latitude": 41.8581778,
    // 	        "longitude": -88.1380111
    // 	      },
    // 	      "mailingAddress": {
    // 	        "line1": "2101 West Roosevelt Road",
    // 	        "line2": null,
    // 	        "city": "Wheaton"
    // 	      }
    // 	    },
    // 	    {
    // 	      "id": 9571218,
    // 	      "firstName": "Joe",
    // 	      "lastName": "Miller",
    // 	      "companyName": "Miller Bakery",
    // 	      "businessType": "Licensed Bakery",
    // 	      "leadSource": "",
    // 	      "emailAddress": null,
    // 	      "phoneNumber": null,
    // 	      "mobileNumber": null,
    // 	      "faxNumber": null,
    // 	      "notes": "",
    // 	      "deleted": false,
    // 	      "hasRecentJobs": true,
    // 	      "created": "2016-10-31T13:02:07+00:00",
    // 	      "modified": "2016-10-31T13:02:07+00:00",
    // 	      "billingClient": null,
    // 	      "account": {
    // 	        "id": 39409
    // 	      },
    // 	      "address": {
    // 	        "line1": "1832 Pennsylvania Avenue NW",
    // 	        "line2": "",
    // 	        "city": "Washington",
    // 	        "postcode": "20006",
    // 	        "latitude": 0,
    // 	        "longitude": 0
    // 	      },
    // 	      "mailingAddress": {
    // 	        "line1": "",
    // 	        "line2": "",
    // 	        "city": ""
    // 	      }
    // 	    }
    // 	  ],
    // 	  "metadata": {
    // 	    "page": 1,
    // 	    "pagesCount": 1,
    // 	    "recordsPerPage": 20,
    // 	    "recordsCount": 3
    // 	  }
    // 	}
    // 
    }