ttw_fmx_v10/Services/uWSDA.pas

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unit uWSDA;
interface
uses
system.Classes, system.SysUtils, System.JSON, ipwwsclient, system.StrUtils, uAPIDA;
type
TOnDonateEvent = procedure(aNick, aMessage, aSum: string) of object;
TOnStatusEvent = procedure(AStatusText: string; AStatusCode: integer) of object;
TOnLog = procedure(aModul: string; aMethod: string; aMessage: string; aLevel: integer) of object;
TWSClient = class(TObject)
private
FWS: TipwWSClient;
FAPIClient: TAPIClient;
FOnDonate: TOnDonateEvent;
FOnStatus: TOnStatusEvent;
FOnLog: TOnLog;
FWsstoken: string;
FWSID: string;
procedure DataIn(Sender: TObject; DataFormat: integer; const Text: string;
const TextB: TBytes; EOM, EOL: Boolean);
procedure ConnectionStatus(Sender: TObject; const ConnectionEvent: string;
StatusCode: integer; const Description: string);
procedure Error(Sender: TObject; ErrorCode: integer; const Description: string);
function ExtractValue(const T_, Text, _T: string): string;
procedure HandleIncomingData(const Data: string);
procedure toLog(aLevel: integer; aMethod: string; aMessage: string);
public
constructor Create;
destructor Destroy; override;
procedure Connect(const WSSURL: string);
procedure Disconnect;
procedure Send(const Data: string);
property OnDonate: TOnDonateEvent read FOnDonate write FOnDonate;
property OnStatus: TOnStatusEvent read FOnStatus write FOnStatus;
property OnLog: TOnLog read FOnLog write FOnLog;
property Wsstoken: string read FWsstoken write FWsstoken;
property WSID: string read FWSID write FWSID;
property APIClient: TAPIClient read FAPIClient write FAPIClient;
end;
implementation
constructor TWSClient.Create;
begin
inherited Create;
FWS := TipwWSClient.Create(nil);
FWS.OnDataIn := DataIn;
FWS.OnConnectionStatus := ConnectionStatus;
FWS.OnError := Error;
FAPIClient := nil;
FOnDonate := nil;
FOnStatus := nil;
FOnLog := nil;
end;
destructor TWSClient.Destroy;
begin
try
if Assigned(FWS) then
begin
try
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
FWS.OnDataIn := nil;
FWS.OnConnectionStatus := nil;
FWS.OnError := nil;
try
FWS.Disconnect;
except
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
finally
FreeAndNil(FWS);
end;
end;
except
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
inherited;
end;
procedure TWSClient.Disconnect;
begin
if Assigned(FWS) then
begin
try
FWS.Disconnect;
except
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
end;
end;
end;
procedure TWSClient.Connect(const WSSURL: string);
begin
if Assigned(FWS) then
begin
try
FWS.ConnectTo(WSSURL);
except
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
toLog(2, 'Connect', 'Exception on Connect');
end;
end;
end;
procedure TWSClient.Send(const Data: string);
begin
if Assigned(FWS) then
begin
try
FWS.SendText(Data);
except
toLog(2, 'Send', 'Exception on Send');
end;
end;
end;
procedure TWSClient.toLog(aLevel: integer; aMethod: string; aMessage: string);
begin
if Assigned(FOnLog) then
FOnLog('uWSDA', aMethod, aMessage, aLevel);
end;
procedure TWSClient.DataIn(Sender: TObject; DataFormat: integer;
const Text: string; const TextB: TBytes; EOM, EOL: Boolean);
begin
try
HandleIncomingData(Text);
except
on E: Exception do
toLog(2, 'DataIn', E.Message);
end;
//FWS.Ping; // <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
end;
procedure TWSClient.ConnectionStatus(Sender: TObject; const ConnectionEvent: string;
StatusCode: integer; const Description: string);
begin
if Assigned(FOnStatus) then
FOnStatus(ConnectionEvent, StatusCode);
end;
procedure TWSClient.Error(Sender: TObject; ErrorCode: integer; const Description: string);
begin
toLog(2, 'Error', '[' + IntToStr(ErrorCode) + '] ' + Description);
end;
function TWSClient.ExtractValue(const T_, Text, _T: string): string;
var
StartPos, EndPos: integer;
begin
StartPos := Pos(T_, Text);
if StartPos = 0 then
Exit('');
StartPos := StartPos + Length(T_);
EndPos := PosEx(_T, Text, StartPos);
if EndPos = 0 then
Exit('');
Result := Copy(Text, StartPos, EndPos - StartPos);
end;
procedure TWSClient.HandleIncomingData(const Data: string);
var
JSON: TJSONObject;
DataObj: TJSONObject;
ChannelArray: TJSONArray;
jo: TJSONObject;
wsstoken2: string;
begin
toLog(3, 'HandleIncomingData', Data);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if Pos('"result":{"client":"', Data) > 0 then
begin
FWsstoken := ExtractValue('"result":{"client":"', Data, '",');
toLog(3, 'HandleIncomingData', '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>');
if Assigned(FAPIClient) then
begin
try
jo := FAPIClient.SubscribeToChannel(FWSID, FWsstoken);
except
jo := nil;
end;
if Assigned(jo) then
try
toLog(3, 'HandleIncomingData', '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>');
ChannelArray := jo.Values['channels'] as TJSONArray;
if Assigned(ChannelArray) and (ChannelArray.Count > 0) then
begin
wsstoken2 := ChannelArray.Items[0].GetValue<string>('token');
toLog(3, 'HandleIncomingData', '<27><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: ' + wsstoken2);
try
FWS.SendText('{"params": {"channel": "$alerts:donation_' + FWSID + '","token": "' + wsstoken2 + '"},"method": 1,"id": 2 }');
except
toLog(2, 'HandleIncomingData', 'SendText failed');
end;
end;
finally
jo.Free;
end;
end;
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
if Pos('"name":"Donations"', Data) > 0 then
begin
toLog(3, 'HandleIncomingData', '<27><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>');
JSON := nil;
try
JSON := TJSONObject.ParseJSONValue(Data) as TJSONObject;
if Assigned(JSON) then
begin
DataObj := JSON.GetValue<TJSONObject>('result').GetValue<TJSONObject>('data').GetValue<TJSONObject>('data');
if Assigned(DataObj) and Assigned(FOnDonate) then
FOnDonate(DataObj.GetValue<string>('username'),
DataObj.GetValue<string>('message'),
DataObj.GetValue<string>('amount'));
end;
finally
JSON.Free;
end;
end;
end;
end.