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dmIntuit.pas
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dmIntuit.pas
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unit dmIntuit;
interface
uses
System.SysUtils
, System.Classes
, System.JSON
, System.IOUtils
, Winapi.Windows
, REST.Types
, REST.Client
, REST.Authenticator.OAuth
, System.Net.URLClient
, Data.Bind.Components
, Data.Bind.ObjectScope
, FireDAC.Stan.Intf
, FireDAC.Stan.Option
, FireDAC.Stan.Param
, FireDAC.Stan.Error
, FireDAC.DatS
, FireDAC.Phys.Intf
, FireDAC.DApt.Intf
, Data.DB
, FireDAC.Comp.DataSet
, FireDAC.Comp.Client
, JSON.CustomerList
, JSON.InvoiceList
, JSON.AttachableList
, JSON.VendorList
, OAuth2.Intuit
, TokenManager
, fmLogin
;
type
TOnLogStatus = procedure(inText: string) of object;
EIntuitException = class(Exception)
private
FTid : string;
public
constructor Create(tid:string; msg: string);
property Tid: string read FTid;
end;
TdmIntuitAPI = class(TDataModule)
RESTResponse1: TRESTResponse;
RESTRequest1: TRESTRequest;
RESTClient1: TRESTClient;
tblCustomers: TFDMemTable;
tblCustomersActive: TBooleanField;
tblInvoices: TFDMemTable;
tblInvoicesTotalAmount: TFloatField;
tblCustomersId: TWideStringField;
tblCustomersDisplayName: TWideStringField;
tblCustomersSyncToken: TWideStringField;
tblCustomersPrimaryEmailAddr: TWideStringField;
tblInvoicesId: TWideStringField;
tblInvoicesSyncToken: TWideStringField;
tblInvoicesTxnDate: TWideStringField;
tblInvoicesCustomerRefName: TWideStringField;
tblInvoicesCustomerRefValue: TWideStringField;
tblVendors: TFDMemTable;
tblVendorsId: TWideStringField;
tblVendorsDisplayName: TWideStringField;
tblVendorsActive: TBooleanField;
tblVendorsSyncToken: TWideStringField;
tblVendorsBalance: TFloatField;
procedure DataModuleDestroy(Sender: TObject);
procedure DataModuleCreate(Sender: TObject);
strict private
FrealmId : String;
FOnLog : TOnLogStatus;
FfrmLogin: TfrmLogin;
FTokenManager: TTokenManager;
OAuth2Authenticator1: TIntuitOAuth2;
procedure DoLog(inText: string);
private
{ Private declarations }
FClientID : string;
FClientSecret : string;
function GetEnvironment: string;
public
{ Public declarations }
function CreateInvoice(invoice: TInvoiceClass): TInvoiceClass;
function GetCustomers: TCustomerListClass;
procedure ListInvoices;
procedure ListVendors;
procedure SetupInvoice(invoice: TInvoiceClass; TxnDate: TDate; invoiceID: String);
procedure UploadAttachment(inFilename, inInvoiceID: string);
procedure ChangeRefreshTokenToAccessToken;
procedure ShowLoginForm;
procedure HandleOAuthCodeRedirect(uri: TURI);
procedure SetEnvironment(inEnvironment: string);
function GetBaseURL: string;
function GetEnvironmentData(inName: string): string;
published
property RealmId : string read FrealmId write FrealmId;
property TokenManager: TTokenManager read FTokenManager;
property Environment: string read GetEnvironment;
end;
var
dmIntuitAPI: TdmIntuitAPI;
implementation
{%CLASSGROUP 'System.Classes.TPersistent'}
{$R *.dfm}
uses
secrets
;
procedure TdmIntuitAPI.DataModuleDestroy(Sender: TObject);
begin
FreeAndNil(OAuth2Authenticator1);
FreeAndNil(FfrmLogin);
FreeAndNil(FTokenManager);
end;
procedure TdmIntuitAPI.DataModuleCreate(Sender: TObject);
begin
FfrmLogin := TfrmLogin.Create(nil);
FTokenManager := TTokenManager.Create(ChangeFileExt(ParamStr(0), '.ini'));
OAuth2Authenticator1 := TIntuitOAuth2.Create(nil);
OAuth2Authenticator1.AuthorizationEndpoint := 'https://appcenter.intuit.com/connect/oauth2';
OAuth2Authenticator1.AccessTokenEndpoint := 'https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer';
OAuth2Authenticator1.RedirectionEndpoint := SECRET_REDIRECT_URL; //'https://developer.intuit.com/v2/OAuth2Playground/RedirectUrl';
OAuth2Authenticator1.Scope := 'com.intuit.quickbooks.accounting openid';
SetEnvironment(environment);
OAuth2Authenticator1.ResponseType := TOAuth2ResponseType.rtCODE;
OAuth2Authenticator1.RefreshToken := FTokenManager.RetrieveDecryptedToken(Environment, 'refresh_token');
RealmId := GetEnvironmentData('RealmId');
RESTClient1.Authenticator := OAuth2Authenticator1;
RESTClient1.BaseURL := GetBaseURL;
end;
procedure TdmIntuitAPI.ChangeRefreshTokenToAccessToken;
begin
OAuth2Authenticator1.RefreshToken := TokenManager.UnprotectSecret(GetEnvironmentData('refresh_token'));
RealmId := GetEnvironmentData('RealmId');
OAuth2Authenticator1.ChangeRefreshTokenToAccesToken;
end;
function TdmIntuitAPI.CreateInvoice(invoice: TInvoiceClass): TInvoiceClass;
var
invoiceJSON: TJSONObject;
invoiceText: string;
retJSON : TJSONObject;
tid : string;
begin
RESTRequest1.ResetToDefaults;
RESTResponse1.ResetToDefaults;
try
invoiceJSON := TJSONObject.ParseJSONValue(invoice.ToJsonString) as TJSONObject;
invoiceJSON.RemovePair('allowIPNPayment');
invoiceJSON.RemovePair('allowOnlineACHPayment');
invoiceJSON.RemovePair('allowOnlinePayment');
invoiceJSON.RemovePair('allowOnlineCreditCardPayment');
invoiceJSON.RemovePair('CreditCardPayment');
invoiceJSON.RemovePair('EmailStatus');
invoiceJSON.RemovePair('Balance');
invoiceJSON.RemovePair('Deposit');
invoiceJSON.RemovePair('DocNumber');
invoiceJSON.RemovePair('Id');
invoiceJSON.RemovePair('DueDate');
invoiceJSON.RemovePair('TxnSource');
invoiceJSON.RemovePair('GlobalTaxCalculation');
invoiceJSON.RemovePair('MetaData');
invoiceJSON.RemovePair('TotalAmt');
invoiceJSON.RemovePair('domain');
invoiceJSON.RemovePair('sparse');
invoiceText := invoiceJSON.ToJSON;
doLog(invoiceText);
RESTRequest1.Method := rmPost;
FrealmID := GetEnvironmentData('RealmId');
RESTRequest1.Resource := '/v3/company/' + FrealmId + '/invoice';
RESTRequest1.AddBody(invoiceText, ctAPPLICATION_JSON);
RESTRequest1.Execute;
doLog(RESTResponse1.Content);
retJSON := TJSONObject.ParseJSONValue(RESTResponse1.Content) as TJSONObject;
try
Result := TInvoiceClass.FromJsonString(retJSON.Values['Invoice'].ToJSON);
finally
FreeAndNil(retJSON);
end;
except
on e : Exception do
begin
tid := RESTResponse1.Headers.Values['intuit_tid'];
raise EIntuitException.Create(tid, e.Message);
end;
end;
end;
procedure TdmIntuitAPI.SetEnvironment(inEnvironment: string);
begin
TokenManager.StoreExtraSectionData('Global', 'Environment', inEnvironment);
if inEnvironment.ToLower = 'sandbox' then
begin
FClientID := SECRET_SANDBOX_INTUIT_CLIENTID;
FClientSecret := SECRET_SANDBOX_INTUIT_CLIENTSECRET;
end
else if inEnvironment.ToLower = 'production' then
begin
FClientID := SECRET_PRODUCTION_INTUIT_CLIENTID;
FClientSecret := SECRET_PRODUCTION_INTUIT_CLIENTSECRET;
end
else
begin
raise Exception.Create('Unknown Environment Selected');
end;
OAuth2Authenticator1.ClientID := FClientID;
OAuth2Authenticator1.ClientSecret := FClientSecret;
OAuth2Authenticator1.RefreshToken := TokenManager.RetrieveDecryptedToken(Environment, 'refresh_token');
FrealmId := self.GetEnvironmentData('RealmId');
RESTClient1.BaseURL := GetBaseURL;
end;
procedure TdmIntuitAPI.SetupInvoice(invoice: TInvoiceClass; TxnDate:TDate; invoiceID:String);
begin
invoice.CurrencyRef.name := 'Australian Dollar';
invoice.CurrencyRef.value := 'AUD';
invoice.CustomerRef.name := SECRET_CUSTOMER_NAME;
invoice.CustomerRef.value := SECRET_CUSTOMER_ID;
invoice.DocNumber := invoiceID;
invoice.EmailStatus := 'NotSet';
invoice.GlobalTaxCalculation := 'NotApplicable';
invoice.PrintStatus := 'NotSet';
invoice.SyncToken := '0';
invoice.domain := 'QBO';
invoice.TxnDate := FormatDatetime('yyyy-mm-dd', TxnDate); //'2019-05-30';
invoice.CustomerMemo.value := invoiceID;
invoice.TrackingNum := invoiceID;
end;
procedure TdmIntuitAPI.DoLog(inText: string);
begin
if Assigned(FOnLog) then
FOnLog(inText);
end;
procedure TdmIntuitAPI.ListInvoices;
var
invoiceList : TJSONInvoiceListClass;
invoice : TInvoiceClass;
begin
RESTRequest1.Method := rmGET;
RESTRequest1.Resource := '/v3/company/{RealmId}/query?query=select * from Invoice';// Where Id > ' + QuotedStr('166');
RESTRequest1.AddParameter('RealmId', RealmId, pkURLSEGMENT);
RESTRequest1.ExecuteAsync(procedure ()
var
i: Integer;
begin
try
invoiceList := TJSONInvoiceListClass.FromJsonString(dmIntuitAPI.RESTRequest1.Response.Content);
tblInvoices.Active := True;
for i := 0 to Length(invoiceList.QueryResponse.Invoice) - 1 do
begin
invoice := invoiceList.QueryResponse.Invoice[i];
tblInvoices.Append;
tblInvoicesId.Value := invoice.Id;
tblInvoicesSyncToken.Value := invoice.SyncToken;
tblInvoicesTxnDate.Value := invoice.TxnDate;
tblInvoicesCustomerRefName.Value := invoice.CustomerRef.name;
tblInvoicesCustomerRefValue.Value := invoice.CustomerRef.value;
tblInvoicesTotalAmount.Value := invoice.TotalAmt;
tblInvoices.Post;
end;
finally
FreeAndNil(invoiceList);
end;
end);
end;
function TdmIntuitAPI.GetBaseURL: string;
begin
if Environment = 'production' then
Result := 'https://quickbooks.api.intuit.com'
else
Result := 'https://sandbox-quickbooks.api.intuit.com';
end;
function TdmIntuitAPI.GetCustomers: TCustomerListClass;
var
customers : TCustomerListClass;
begin
RESTRequest1.ResetToDefaults;
RESTRequest1.Method := rmGET;
RESTRequest1.Resource := '/v3/company/{RealmId}/query?query=select * from Customer Where Metadata.LastUpdatedTime > ' + QuotedStr('2015-03-01');
RESTRequest1.AddParameter('RealmId', RealmId, pkURLSEGMENT);
RESTRequest1.AddParameter('minorversion', '73', TRESTRequestParameterKind.pkQUERY);
RESTRequest1.ExecuteAsync(procedure ()
var
i : Integer;
begin
customers := TCustomerListClass.FromJsonString(RESTRequest1.Response.Content);
tblCustomers.Active := True;
for i := 0 to Length(customers.QueryResponse.Customer) - 1 do
begin
tblCustomers.Append;
tblCustomersId.Value := customers.QueryResponse.Customer[i].Id;
tblCustomersSyncToken.Value := customers.QueryResponse.Customer[i].SyncToken;
tblCustomersDisplayName.Value := customers.QueryResponse.Customer[i].DisplayName;
tblCustomersPrimaryEmailAddr.Value := customers.QueryResponse.Customer[i].PrimaryEmailAddr.Address;
tblCustomers.Post;
// Memo1.Lines.Add('Id: ' + customers.QueryResponse.Customer[i].Id);
// Memo1.Lines.Add('DisplayName: ' + customers.QueryResponse.Customer[i].DisplayName);
// Memo1.Lines.Add('Balance: ' + customers.QueryResponse.Customer[i].Balance.ToString)
end;
end);
end;
procedure TdmIntuitAPI.ListVendors;
var
vendors : TJSONVendorListClass;
begin
RESTRequest1.ResetToDefaults;
RESTRequest1.Method := rmGET;
RESTRequest1.Resource := '/v3/company/{RealmId}/query?query=select * from Vendor Where Metadata.LastUpdatedTime > ' + QuotedStr('2015-03-01');
RESTRequest1.AddParameter('RealmId', RealmId, pkURLSEGMENT);
RESTRequest1.AddParameter('minorversion', '73', TRESTRequestParameterKind.pkQUERY);
RESTRequest1.ExecuteAsync(procedure ()
var
i : Integer;
begin
vendors := TJSONVendorListClass.FromJsonString(RESTRequest1.Response.Content);
tblVendors.Active := True;
for i := 0 to Length(vendors.QueryResponse.Vendor) - 1 do
begin
tblVendors.Append;
tblVendorsId.Value := vendors.QueryResponse.Vendor[i].Id;
tblVendorsSyncToken.Value := vendors.QueryResponse.Vendor[i].SyncToken;
tblVendorsDisplayName.Value := vendors.QueryResponse.Vendor[i].DisplayName;
tblVendorsBalance.Value := vendors.QueryResponse.Vendor[i].Balance;
tblVendors.Post;
end;
end);
end;
function TdmIntuitAPI.GetEnvironment: string;
begin
Result := TokenManager.RetrieveExtraSectionData('Global', 'Environment');
if Result.IsEmpty then
Result := 'sandbox';
end;
function TdmIntuitAPI.GetEnvironmentData(inName: string): string;
begin
Result := TokenManager.RetrieveExtraSectionData(Environment, inName);
end;
procedure TdmIntuitAPI.HandleOAuthCodeRedirect(uri: TURI);
var
code : string;
state : string;
begin
code := uri.ParameterByName['code'];
state := uri.ParameterByName['state'];
RealmId := uri.ParameterByName['realmId'];
OAuth2Authenticator1.AuthCode := code;
// Form1.Memo1.Lines.Add('url:'+URL);
OAuth2Authenticator1.ChangeAuthCodeToAccesToken;
// Form1.Memo1.Lines.Add('Access Granted');
// Form1.Memo1.Lines.Add('RefreshToken=' + OAuth2Authenticator1.RefreshToken);
// Form1.Memo1.Lines.Add('Access Token');
// Form1.Memo1.Lines.Add(OAuth2Authenticator1.AccessToken);
TokenManager.StoreEncryptedToken(environment, 'refresh_token', OAuth2Authenticator1.RefreshToken);
TokenManager.StoreExtraSectionData(environment, 'RealmId', RealmId);
end;
procedure TdmIntuitAPI.ShowLoginForm;
var
uri : TURI;
begin
uri := TURI.Create('https://appcenter.intuit.com/connect/oauth2');
uri.AddParameter('client_id', FClientID);
uri.AddParameter('client_secret', FClientSecret);
uri.AddParameter('scope', 'com.intuit.quickbooks.accounting');
uri.AddParameter('redirect_uri', SECRET_REDIRECT_URL);
uri.AddParameter('state', '2342342323');
uri.AddParameter('response_type', 'code');
FfrmLogin.Login(uri.ToString);
end;
procedure TdmIntuitAPI.UploadAttachment(inFilename:string; inInvoiceID:string);
var
attachable : TAttachableClass;
attachableRefArr : TArray<TAttachableRefClass>;
attachableRef : TAttachableRefClass;
attachJSON : TJSONObject;
param : TRESTRequestParameter;
tid : string;
begin
try
if not TFile.Exists(inFilename) then
begin
raise Exception.Create('File Does not exist - ' + inFilename);
end;
attachable := TAttachableClass.Create;
attachable.ContentType := 'application/pdf';
attachable.FileName := ExtractFileName(inFilename);
attachableRefArr := TArray<TAttachableRefClass>.Create();
SetLength(attachableRefArr, 1);
attachableRef := TAttachableRefClass.Create;
attachableRefArr[0] := attachableRef;
attachableRef.EntityRef.&type := 'Invoice';
attachableRef.EntityRef.value := inInvoiceID;
attachableRef.IncludeOnSend := False;
attachable.AttachableRef := attachableRefArr;
RESTRequest1.Method := rmPOST;
RESTRequest1.Resource := '/v3/company/{RealmId}/upload';
RESTRequest1.AddParameter('RealmId', RealmId, pkURLSEGMENT);
RESTRequest1.AddParameter('minorversion', '73', TRESTRequestParameterKind.pkQUERY);
DoLog(attachable.ToJsonString);
DoLog('--------');
attachJSON := TJSONObject.ParseJSONValue(attachable.ToJsonString) as TJSONObject;
attachJSON.RemovePair('MetaData');
attachJSON.RemovePair('Id');
attachJSON.RemovePair('Size');
attachJSON.RemovePair('TempDownloadUri');
attachJSON.RemovePair('domain');
attachJSON.RemovePair('sparse');
attachJSON.RemovePair('SyncToken');
RESTRequest1.ClearBody;
// This workaround is required to get around a bug in the Delphi REST Components
param := RESTRequest1.Params.AddItem('file_metadata_01', attachjson.ToJSON, TRESTRequestParameterKind.pkREQUESTBODY,
[], TRESTContentType.ctAPPLICATION_JSON);
{ RequestStream := TStringStream.Create;
try
RequestStream.WriteString(attachjson.ToJSON);
param.SetStream(RequestStream);
finally
FreeAndNil(RequestStream);
end;}
// End workaround
RESTRequest1.AddFile('file_content_01', inFilename, TRESTContentType.ctAPPLICATION_PDF);
RESTRequest1.Execute;
DoLog(attachJSON.ToJSON);
DoLog('--------');
DoLog(RESTResponse1.Content);
except
on e : Exception do
begin
tid := RESTResponse1.Headers.Values['intuit_tid'];
raise EIntuitException.Create(tid, e.Message);
end;
end;
end;
{ EIntuitException }
constructor EIntuitException.Create(tid, msg: string);
begin
inherited Create(msg);
FTid := tid;
OutputDebugString(PChar('Intuit_Tid:' + tid + ' EXCEPTION: ' + msg));
end;
end.