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(Delphi DLL) WhatsApp - Get a User's Account InformationDemonstrates how to retrieve a user account by sending a GET request on the users endpoint. For more information, see https://developers.facebook.com/docs/whatsapp/api/users/manage
uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, StringBuilder, JsonObject; ... procedure TForm1.Button1Click(Sender: TObject); var http: HCkHttp; success: Boolean; sbResponseBody: HCkStringBuilder; jResp: HCkJsonObject; respStatusCode: Integer; ROLES: PWideChar; username: PWideChar; i: Integer; count_i: Integer; begin // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. http := CkHttp_Create(); // Implements the following CURL command: // curl -X GET https://example.com/v1/users/username \ // -H "Authorization: Bearer your-auth-token" // Adds the "Authorization: Bearer your-auth-token" header. CkHttp_putAuthToken(http,'your-auth-token'); sbResponseBody := CkStringBuilder_Create(); success := CkHttp_QuickGetSb(http,'https://example.com/v1/users/username',sbResponseBody); if (success = False) then begin Memo1.Lines.Add(CkHttp__lastErrorText(http)); Exit; end; jResp := CkJsonObject_Create(); CkJsonObject_LoadSb(jResp,sbResponseBody); CkJsonObject_putEmitCompact(jResp,False); Memo1.Lines.Add('Response Body:'); Memo1.Lines.Add(CkJsonObject__emit(jResp)); respStatusCode := CkHttp_getLastStatus(http); Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode)); if (respStatusCode >= 400) then begin Memo1.Lines.Add('Response Header:'); Memo1.Lines.Add(CkHttp__lastHeader(http)); Memo1.Lines.Add('Failed.'); Exit; end; // Sample JSON response: // (Sample code for parsing the JSON response is shown below) // { // "users": [ // { // "ROLES": "ROLE_ADMIN | ROLE_USER", // "username": "username" // } // ] // } // Sample code for parsing the JSON response... i := 0; count_i := CkJsonObject_SizeOfArray(jResp,'users'); while i < count_i do begin CkJsonObject_putI(jResp,i); ROLES := CkJsonObject__stringOf(jResp,'users[i].ROLES'); username := CkJsonObject__stringOf(jResp,'users[i].username'); i := i + 1; end; CkHttp_Dispose(http); CkStringBuilder_Dispose(sbResponseBody); CkJsonObject_Dispose(jResp); end; |
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