(Delphi DLL) GeoOp - Export Clients to CSV

Export client data to a CSV.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, OAuth2, Rest, JsonObject, Csv;

...

procedure TForm1.Button1Click(Sender: TObject);
var
jsonToken: HCkJsonObject;
success: Boolean;
oauth2: HCkOAuth2;
rest: HCkRest;
bAutoReconnect: Boolean;
responseBody: PWideChar;
json: HCkJsonObject;
csv: HCkCsv;
numRecords: Integer;
i: Integer;

begin
// 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}
jsonToken := CkJsonObject_Create();
success := CkJsonObject_LoadFile(jsonToken,'qa_data/tokens/geoop.json');

// This example assumes we previously obtained an access token
oauth2 := CkOAuth2_Create();
CkOAuth2_putAccessToken(oauth2,CkJsonObject__stringOf(jsonToken,'access_token'));

rest := CkRest_Create();

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

// GET /users HTTP/1.1
// Host: api.geoop.com
bAutoReconnect := True;
success := CkRest_Connect(rest,'api.geoop.com',443,True,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// Provide the authentication credentials (i.e. the access token)
CkRest_SetAuthOAuth2(rest,oauth2);

// Set the X-Version header.
CkRest_AddHeader(rest,'X-Version','1.0');

responseBody := CkRest__fullRequestNoBody(rest,'GET','/clients');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

json := CkJsonObject_Create();
CkJsonObject_putEmitCompact(json,False);

// If the response status code did not indicate success, then see what happened..
if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    Memo1.Lines.Add('Request Header: ');
    Memo1.Lines.Add(CkRest__lastRequestHeader(rest));
    Memo1.Lines.Add('----');
    Memo1.Lines.Add('Response StatusCode = ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('Response StatusLine: ' + CkRest__responseStatusText(rest));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    CkJsonObject_Load(json,responseBody);
    Memo1.Lines.Add(CkJsonObject__emit(json));
    Exit;
  end;

CkJsonObject_Load(json,responseBody);
// Show the full JSON response.. (see below)
Memo1.Lines.Add(CkJsonObject__emit(json));
Memo1.Lines.Add('---');

csv := CkCsv_Create();
CkCsv_putHasColumnNames(csv,True);
CkCsv_SetColumnName(csv,0,'id');
CkCsv_SetColumnName(csv,1,'companyName');
CkCsv_SetColumnName(csv,2,'businessType');
CkCsv_SetColumnName(csv,3,'account_id');
CkCsv_SetColumnName(csv,4,'address_line1');
CkCsv_SetColumnName(csv,5,'address_city');
CkCsv_SetColumnName(csv,6,'address_postcode');

// Iterate over each client and populate the CSV...
numRecords := CkJsonObject_SizeOfArray(json,'clients');
i := 0;
while i < numRecords do
  begin

    CkJsonObject_putI(json,i);
    CkCsv_SetCellByName(csv,i,'id',CkJsonObject__stringOf(json,'clients[i].id'));
    CkCsv_SetCellByName(csv,i,'companyName',CkJsonObject__stringOf(json,'clients[i].companyName'));
    CkCsv_SetCellByName(csv,i,'businessType',CkJsonObject__stringOf(json,'clients[i].businessType'));
    CkCsv_SetCellByName(csv,i,'account_id',CkJsonObject__stringOf(json,'clients[i].account.id'));
    CkCsv_SetCellByName(csv,i,'address_line1',CkJsonObject__stringOf(json,'clients[i].address.line1'));
    CkCsv_SetCellByName(csv,i,'address_city',CkJsonObject__stringOf(json,'clients[i].address.city'));
    CkCsv_SetCellByName(csv,i,'address_postcode',CkJsonObject__stringOf(json,'clients[i].address.postcode'));
    i := i + 1;
  end;

// Show the CSV.
Memo1.Lines.Add(CkCsv__saveToString(csv));

// Save the CSV.
CkCsv_SaveFile(csv,'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
// 	  }
// 	}
// 

CkJsonObject_Dispose(jsonToken);
CkOAuth2_Dispose(oauth2);
CkRest_Dispose(rest);
CkJsonObject_Dispose(json);
CkCsv_Dispose(csv);

end;