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FMain.pas
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unit FMain;
{$mode objfpc}{$H+}
interface
uses
Forms, SysUtils, Dialogs, Graphics,
UWebBrowserWrapper2, StdCtrls, Grids, ExtCtrls, Spin, activexcontainer,
Classes, IdHTTP, IdSSLOpenSSL, IdGlobal, jsonparser, fpjson;
type
{ TForm1 }
TForm1 = class(TForm)
ActiveXContainer1: TActiveXContainer;
lbDegrad: TLabel;
nbNavTest: TButton;
edOAuthResult: TMemo;
edToken: TEdit;
edVehicle: TEdit;
lbCarInfo: TLabel;
lbCarState: TLabel;
Page1: TPage;
Page2: TPage;
tiCheckCarState: TTimer;
lbCntDown: TLabel;
sgSoC: TStringGrid;
nxButtons: TNotebook;
nbOAuth: TButton;
Label1: TLabel;
edEmail: TEdit;
lbPAssword: TLabel;
edPassword: TEdit;
nbCarData: TButton;
nbWake: TButton;
edChargeLimit: TSpinEdit;
nbSetChargeLimit: TButton;
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure nbOAuthClick(Sender: TObject);
procedure nbWakeClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure tiCheckCarStateTimer(Sender: TObject);
procedure nbCarDataClick(Sender: TObject);
procedure nbSetChargeLimitClick(Sender: TObject);
procedure nbNavTestClick(Sender: TObject);
private
FCarState: String;
CarStateCountDown: Integer;
web: TWebBrowserWrapper;
fs: TFormatSettings;
idHTTP: TIdHTTP;
IdSSL: TIdSSLIOHandlerSocketOpenSSL;
function FormatFloat2(fmt: String; inp: Double): String;
procedure ResetHTTPRequest;
function REST_OAuth(out token: String; out info: String): Boolean;
function REST_SetChargeLimit(newLimit: Integer; out info: String): Boolean;
function REST_UpdateCarData(out data: TJSONData; out info: String): Boolean;
function REST_UpdateCarState(out state, vehicle: String; out info: String
): Boolean;
function REST_WAKEUP(out info: String): Boolean;
function StrToFloat2(inp: String): Double;
function tokm(inp: Double): String;
procedure UpdateCarState(fillInfo: Boolean);
Procedure UpdateCarData;
procedure UpdateAuth;
procedure SaveToken;
procedure SetCarState(const Value: String);
procedure WebNavigatTo(lon, lat: Double);
procedure CreateIdHTTP;
{ Private-Deklarationen }
public
{ Public-Deklarationen }
property CarState: String read FCarState write SetCarState;
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
uses
StrUtils,
iniFiles;
const
CRLF = #13#10;
webPage : String =
'<html><body>' + CRLF +
' <div id="mapdiv"></div>' + CRLF +
' <script src="http://www.openlayers.org/api/OpenLayers.js"></script>' + CRLF +
' <script>' + CRLF +
' map = new OpenLayers.Map("mapdiv");' + CRLF +
' map.addLayer(new OpenLayers.Layer.OSM());' + CRLF +
'' + CRLF +
' var lonLat = new OpenLayers.LonLat( %lon% , %lat% )' + CRLF +
' .transform(' + CRLF +
' new OpenLayers.Projection("EPSG:4326"), // transform from WGS 1984' + CRLF +
' map.getProjectionObject() // to Spherical Mercator Projection' + CRLF +
' );' + CRLF +
' ' + CRLF +
' var zoom=16;' + CRLF +
'' + CRLF +
' var markers = new OpenLayers.Layer.Markers( "Markers" );' + CRLF +
' map.addLayer(markers);' + CRLF +
' ' + CRLF +
' markers.addMarker(new OpenLayers.Marker(lonLat));' + CRLF +
' ' + CRLF +
' map.setCenter (lonLat, zoom);' + CRLF +
' </script>' + CRLF +
'</body></html>';
const
BASE_URL = 'https://owner-api.teslamotors.com/';
function TForm1.REST_OAuth(out token: String; out info: String): Boolean;
var
url: String;
js: TJSONObject;
ss: TStringStream;
jsd: TJSONData;
res: String;
begin
result := False;
info := '';
token := '';
ResetHTTPRequest;
ss := nil;
jsd := nil;
js := TJSONObject.Create;
try
js.add('grant_type', 'password');
js.add('client_id', '81527cff06843c8634fdc09e8ac0abefb46ac849f38fe1e431c2ef2106796384');
js.add('client_secret', 'c7257eb71a564034f9419ee651c7d0e5f7aa6bfbd18bafb5c5c033b093bb2fa3');
js.add('email', edEmail.Text);
js.add('password', edPassword.Text);
ss := TStringStream.Create(js.AsJSON);
url := BASE_URL + 'oauth/token';
try
res := idHttp.Post(url, ss);
result := (idHttp.Response.ResponseCode div 100) = 2;
except
end;
info := idHttp.Response.ResponseText + CRLF + res;
if result then begin
jsd := GetJSON(res);
token := ( jsd.FindPath('access_token').AsString);
info := jsd.FormatJSON();
CreateIdHTTP; //workaround
end;
finally
jsd.Free;
js.Free;
ss.Free;
end;
end;
function TForm1.REST_SetChargeLimit(newLimit: Integer; out info: String): Boolean;
var
url: String;
js: TJSONObject;
ss: TStringStream;
jsd: TJSONData;
res: String;
begin
result := False;
info := '';
ResetHTTPRequest;
UpdateAuth;
ss := nil;
jsd := nil;
js := TJSONObject.Create;
try
js.add('percent', IntToStr(newLimit));
ss := TStringStream.Create(js.AsJSON);
url := BASE_URL + 'api/1/vehicles/' + edVehicle.Text + '/command/set_charge_limit';
try
res := idHttp.Post(url, ss);
result := (idHttp.Response.ResponseCode div 100) = 2;
except
end;
info := idHttp.Response.ResponseText + CRLF + res;
if result then begin
jsd := GetJSON(res);
info := jsd.FormatJSON();
end;
finally
jsd.Free;
js.Free;
ss.Free;
end;
end;
procedure TForm1.ResetHTTPRequest;
begin
idHttp.Request.Clear;
idHttp.Request.ContentType := 'application/json';
idHttp.Request.BasicAuthentication := true;
idHttp.Request.AcceptEncoding := '';
idHttp.Request.Accept := 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8';
//idHttp.Request.AcceptLanguage := 'pt-BR,pt;q=0.8,en-US;q=0.6,en;q=0.4';
idHttp.Request.CacheControl := 'no-cache';
idHttp.Response.ContentType := 'application/json';
end;
function TForm1.tokm(inp: Double): String;
begin
result := FormatFloat('#0.0', inp * 1.60934);
end;
function TForm1.StrToFloat2(inp: String): Double;
begin
result := StrToFloat(inp, fs);
end;
function TForm1.FormatFloat2(fmt: String; inp: Double): String;
begin
result := FormatFloat(fmt, inp, fs);
end;
procedure TForm1.nbWakeClick(Sender: TObject);
var
info: String;
begin
REST_WAKEUP(info);
edOAuthResult.Text := info;
UpdateCarState(False);
end;
function TForm1.REST_WAKEUP(out info: String): Boolean;
var
url: String;
js: TJSONObject;
ss: TStringStream;
jsd: TJSONData;
res: String;
begin
result := False;
info := '';
ResetHTTPRequest;
UpdateAuth;
ss := nil;
jsd := nil;
js := TJSONObject.Create;
try
ss := TStringStream.Create(js.AsJSON);
url := BASE_URL + 'api/1/vehicles/' + edVehicle.Text + '/wake_up';
try
res := idHttp.Post(url, ss);
result := (idHttp.Response.ResponseCode div 100) = 2;
except
end;
info := idHttp.Response.ResponseText + CRLF + res;
if result then begin
jsd := GetJSON(res);
info := jsd.FormatJSON();
end;
finally
jsd.Free;
js.Free;
ss.Free;
end;
end;
procedure TForm1.SaveToken;
var
ini: TMemIniFile;
begin
ini := TMemIniFile.Create(Application.ExeName + '.ini');
try
ini.WriteString('Auth', 'Token', edToken.Text );
ini.UpdateFile;
finally
ini.Free;
end;
end;
procedure TForm1.SetCarState(const Value: String);
begin
FCarState := Value;
end;
procedure TForm1.tiCheckCarStateTimer(Sender: TObject);
begin
dec(CarStateCountDown);
if (CarStateCountDown < 0) then begin
CarStateCountDown := 60;
UpdateCarState(False);
end;
lbCntDown.Caption := IntToStr(CarStateCountDown);
end;
procedure TForm1.UpdateAuth;
begin
IdHTTP.Request.BasicAuthentication := False;
IdHTTP.Request.CustomHeaders.FoldLines := False;
IdHTTP.Request.CustomHeaders.Values['Authorization'] := 'Bearer ' + edToken.Text;
end;
procedure TForm1.UpdateCarData;
var
lv: Double;
exact: Double;
data: TJSONData;
info: String;
function vs(path: String): String;
begin
result := data.FindPath(path).AsString;
end;
function vd(path: String): Double;
var
tmp: string;
begin
tmp := vs(path);
result := StrToFloat2(tmp);
end;
begin
if (CarState = 'online') then begin
if REST_UpdateCarData(data, info) then begin
sgSoC.Cells[0, 1] := 'range';
sgSoC.Cells[0, 2] := 'est.';
sgSoC.Cells[0, 3] := 'ideal';
lv := vd('response.charge_state.battery_level');
sgSoC.Cells[1, 0] := FormatFloat('#0', lv) + '% (' +
vs('response.charge_state.usable_battery_level') + '%)' ;
sgSoC.Cells[2, 0] := '100%';
sgSoC.Cells[1, 1] := tokm(vd('response.charge_state.battery_range')) + 'km';
sgSoC.Cells[1, 2] := tokm(vd('response.charge_state.est_battery_range')) + 'km';
sgSoC.Cells[1, 3] := tokm(vd('response.charge_state.ideal_battery_range')) + 'km';
sgSoC.Cells[2, 1] := tokm(vd('response.charge_state.battery_range') / lv * 100) + 'km';
sgSoC.Cells[2, 2] := tokm(vd('response.charge_state.est_battery_range') / lv * 100) + 'km';
sgSoC.Cells[2, 3] := tokm(vd('response.charge_state.ideal_battery_range') / lv * 100) + 'km';
exact := vd('response.charge_state.battery_range') / 310;
sgSoC.Cells[3, 0] := FormatFloat('#0.00', exact * 100);
sgSoC.Cells[3, 1] := tokm(vd('response.charge_state.battery_range') / exact ) + 'km';
sgSoC.Cells[3, 2] := tokm(vd('response.charge_state.est_battery_range') / exact) + 'km';
sgSoC.Cells[3, 3] := tokm(vd('response.charge_state.ideal_battery_range') / exact) + 'km';
edChargeLimit.Value := StrToInt(vs('response.charge_state.charge_limit_soc'));
lbDegrad.Caption := 'Degradiation: ' + FormatFloat('#0.000', 100 - (vd('response.charge_state.battery_range') / lv * 100 / 310 * 100)) + '%';
WebNavigatTo(vd('response.drive_state.longitude') , vd('response.drive_state.latitude'));
data.Free;
end;
edOAuthResult.Text := info;
end else if CarState = 'asleep' then begin
end else if CarState = 'offline' then begin
end else begin
end;
end;
function TForm1.REST_UpdateCarState(out state, vehicle: String; out info: String): Boolean;
var
url: String;
js: TJSONObject;
jsd, r, c: TJSONData;
res: String;
begin
result := False;
info := '';
state := '';
ResetHTTPRequest;
UpdateAuth;
jsd := nil;
js := TJSONObject.Create;
try
url := BASE_URL + 'api/1/vehicles';
try
res := idHttp.Get(url);
result := (idHttp.Response.ResponseCode div 100) = 2;
except
end;
info := idHttp.Response.ResponseText + CRLF + res;
if result then begin
jsd := GetJSON(res);
r := jsd.FindPath('response');
c := r.FindPath('[0]');
vehicle := c.FindPath('id').AsString;
state := c.FindPath('state').AsString;
info := jsd.FormatJSON();
end;
finally
jsd.Free;
js.Free;
end;
end;
function TForm1.REST_UpdateCarData(out data: TJSONData; out info: String): Boolean;
var
url: String;
js: TJSONObject;
jsd: TJSONData;
res: String;
begin
result := False;
data := nil;
info := '';
ResetHTTPRequest;
UpdateAuth;
jsd := nil;
js := TJSONObject.Create;
try
url := BASE_URL + 'api/1/vehicles/' + edVehicle.Text + '/data';
try
res := idHttp.Get(url);
result := (idHttp.Response.ResponseCode div 100) = 2;
except
end;
info := idHttp.Response.ResponseText + CRLF + res;
if result then begin
jsd := GetJSON(res);
info := jsd.FormatJSON();
data := jsd;
jsd := nil;
end;
finally
jsd.Free;
js.Free;
end;
end;
procedure TForm1.UpdateCarState(fillInfo: Boolean);
var
state, vehicle, info: String;
begin
if REST_UpdateCarState(state, vehicle, info) then begin
nxButtons.PageIndex := 1;
CarState := state;
edVehicle.Text := vehicle;
if fillInfo then begin
edOAuthResult.Text := info;
end;
end else begin
CarState := 'error';
edOAuthResult.Text := info;
end;
lbCarState.Caption := CarState;
lbCarState.Font.Style:= [fsBold];
end;
procedure TForm1.FormCreate(Sender: TObject);
var
ini: TMemIniFile;
begin
CreateIdHTTP;
fs := DefaultFormatSettings;
fs.DecimalSeparator:= '.';
web := TWebBrowserWrapper.Create(ActiveXContainer1);
CarStateCountDown := 60;
nxButtons.PageIndex := 0;
ini := TMemIniFile.Create(Application.ExeName + '.ini');
try
edToken.Text := ini.ReadString('Auth', 'Token', '');
finally
ini.Free;
end;
edVehicle.Text := '';
edOAuthResult.Text := '';
lbDegrad.Caption := '';
end;
procedure TForm1.nbCarDataClick(Sender: TObject);
begin
UpdateCarState(False);
UpdateCarData;
end;
procedure TForm1.nbOAuthClick(Sender: TObject);
var
token, info: String;
begin
if edToken.Text = '' then begin
if REST_OAuth(token, info) then begin
edToken.Text := token;
Application.ProcessMessages;
SaveToken;
end;
edOAuthResult.Text := info;
end;
UpdateCarState(True);
tiCheckCarState.Enabled := True;
end;
procedure TForm1.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
if CloseAction = caFree then begin
SaveToken;
end;
end;
procedure TForm1.nbNavTestClick(Sender: TObject);
begin
WebNavigatTo(12, 45);
end;
procedure TForm1.WebNavigatTo(lon, lat: Double);
var
tmp: String;
begin
tmp := ReplaceStr(webPage, '%lon%', FormatFloat2('#0.0000000', lon));
tmp := ReplaceStr(tmp, '%lat%', FormatFloat2('#0.0000000', lat));
web.LoadFromString(tmp);
end;
procedure TForm1.CreateIdHTTP;
begin
FreeAndNil(IdSSL);
FreeAndNil(idHTTP);
idHTTP := TIdHTTP.Create(self);
idHTTP.HTTPOptions := [hoNoProtocolErrorException];
IdSSL := TIdSSLIOHandlerSocketOpenSSL.Create(self);
IdSSL.SSLOptions.SSLVersions := [sslvSSLv23];
idHTTP.IOHandler := IdSSL;
end;
procedure TForm1.nbSetChargeLimitClick(Sender: TObject);
var
info: String;
begin
REST_SetChargeLimit(edChargeLimit.Value, info);
edOAuthResult.Text := info;
UpdateCarState(False);
end;
end.