(Delphi DLL) Populi Search People

Demonstrates the Populi searchPeople task.

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, Rest, Xml;

...

procedure TForm1.Button1Click(Sender: TObject);
var
xml: HCkXml;
success: Boolean;
accessKey: PWideChar;
rest: HCkRest;
bAutoReconnect: Boolean;
responseBody: PWideChar;
i: Integer;
count_i: Integer;
id: Integer;
first_name: PWideChar;
last_name: PWideChar;
middle_name: PWideChar;
preferred_name: PWideChar;
is_user: Integer;
primary_email: PWideChar;

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

// First load the previously obtained API token.
// See Get Populi Access Token for sample code showing how to get the API token.
xml := CkXml_Create();
success := CkXml_LoadXmlFile(xml,'qa_data/tokens/populi_token.xml');
accessKey := CkXml__getChildContent(xml,'access_key');
if (CkXml_getLastMethodSuccess(xml) <> True) then
  begin
    Memo1.Lines.Add('Did not find the access_key');
    Exit;
  end;

rest := CkRest_Create();

// Connect using TLS.
// A single REST object, once connected, can be used for many Populi 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,'yourcollege.populi.co',443,True,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

CkRest_putAuthorization(rest,accessKey);

CkRest_AddQueryParam(rest,'task','searchPeople');
CkRest_AddQueryParam(rest,'search_term','Robert');
CkRest_AddQueryParam(rest,'limit','10');

responseBody := CkRest__fullRequestFormUrlEncoded(rest,'POST','/api/index.php');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// We should expect a 200 response if successful.
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));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(responseBody);
    Exit;
  end;

CkXml_LoadXml(xml,responseBody);
Memo1.Lines.Add(CkXml__getXml(xml));

// Sample response:
// Use this online tool to generate parsing code from sample XML: 
// Generate Parsing Code from XML

// <?xml version="1.0" encoding="UTF-8"?>
//  <response>
// 	<person>
// 		<id>11111</id>
// 		<first_name>Robert</first_name>
// 		<last_name>McStudent</last_name>
// 		<middle_name>Kensington</middle_name>
// 		<preferred_name>Bobby</preferred_name>
// 		<is_user>1</is_user>
// 		<primary_email>r.mcstudent@myschool.edu</primary_email>
// 	</person>
// 	<person>
// 		<id>2222</id>
// 		<first_name>Robert</first_name>
// 		<last_name>McBoardmember</last_name>
// 		<middle_name/>
// 		<preferred_name/>
// 		<is_user>0</is_user>
// 		<primary_email>robert@gmail.com</primary_email>
// 	</person>
// </response>

i := 0;
count_i := CkXml_NumChildrenHavingTag(xml,'person');
while i < count_i do
  begin
    CkXml_putI(xml,i);
    id := CkXml_GetChildIntValue(xml,'person[i]|id');
    first_name := CkXml__getChildContent(xml,'person[i]|first_name');
    last_name := CkXml__getChildContent(xml,'person[i]|last_name');
    middle_name := CkXml__getChildContent(xml,'person[i]|middle_name');
    preferred_name := CkXml__getChildContent(xml,'person[i]|preferred_name');
    is_user := CkXml_GetChildIntValue(xml,'person[i]|is_user');
    primary_email := CkXml__getChildContent(xml,'person[i]|primary_email');
    i := i + 1;
  end;

CkXml_Dispose(xml);
CkRest_Dispose(rest);

end;