mql5/Experts/Downloads/FetchNews.mq5

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+

//|                                                       NewsEA.mq5 |

//|                                  Copyright 2023, MetaQuotes Ltd. |

//|                                             https://www.mql5.com |

//+------------------------------------------------------------------+

#property copyright "M<00>ller Peter"

#property link      "https://www.mql5.com/en/users/mullerp04/seller"

#property version   "1.00"



#include <Trade\Trade.mqh>  // Include the standard trade library for trading operations



// Define an enum to specify what the expert advisor (EA) should do

enum e_Type {

   Trading = 0,  // Place trades based on news events

   Alerting = 1  // Only alert about important news events

};



// Input parameters for the EA

input e_Type Type = Alerting;   // The mode of operation (Trading or Alerting)

input int Magic = 1125021;      // Magic number to identify EA orders (relevant in trading mode)

input int TPPoints = 150;       // Take profit in points (relevant in trading mode)

input int SLPoints = 150;       // Stop loss in points (relevant in trading mode)

input double Volume = 0.1;      // Volume of orders (relevant in trading mode)



//+------------------------------------------------------------------+

//| Initialization function                                          |

//+------------------------------------------------------------------+

int OnInit()

{

   

   return(INIT_SUCCEEDED);  

}



//+------------------------------------------------------------------+

//| Deinitialization function                                        |

//+------------------------------------------------------------------+

void OnDeinit(const int reason)

{

}



//+------------------------------------------------------------------+

//| Expert tick function                                             |

//+------------------------------------------------------------------+

void OnTick()

{

   // Declare necessary variables

   MqlCalendarValue CalendarValues[];   // Array to hold calendar events

   MqlCalendarEvent CalendarEvent;      // Struct to hold specific event details

   MqlCalendarCountry CalendarCountry;  // Struct to hold country details



   // Static variables to maintain state between ticks

   static datetime LastRequest = TimeTradeServer(); // Last time news was fetched

   static CTrade trade;                             // Trade object for trading operations

   trade.SetExpertMagicNumber(Magic);               // Set the magic number for the EA's trades

   static datetime Expiry = 0;                      // Expiry time for pending orders



   // Retrieve calendar events from the last 50 seconds to the next 50 seconds

   CalendarValueHistory(CalendarValues, LastRequest, TimeTradeServer() + 50);



   // If new events are found, update the last request time

   if(ArraySize(CalendarValues) != 0)

      LastRequest = TimeTradeServer() + 50;



   // Loop through all retrieved events

   for(int i = 0; i < ArraySize(CalendarValues); i++)

   {

       // Fetch detailed information about the event and the country

       CalendarEventById(CalendarValues[i].event_id, CalendarEvent);

       CalendarCountryById(CalendarEvent.country_id, CalendarCountry);

       

       // Get the currency related to the event

       string currency = CalendarCountry.currency;



       // Check if the event is relevant to the current symbol

       if(currency == SymbolInfoString(_Symbol, SYMBOL_CURRENCY_BASE) || 

          currency == SymbolInfoString(_Symbol, SYMBOL_CURRENCY_PROFIT))

       {

         // If the event is high importance and the mode is Alerting, send an alert

         if(CalendarEvent.importance == CALENDAR_IMPORTANCE_MODERATE && Type == Alerting)

         {

            Alert("Upcoming important news event: " + CalendarEvent.name + 

                  " at " + TimeToString(CalendarValues[i].time));

         }



         // If the event relates to inflation or interest rate changes, place pending orders