feat: Implementa Fase 5 - DOM, VWAP, Audio Alerts e Historical Browser

backend/trading.py

@@ -0,0 +1,38 @@
+import MetaTrader5 as mt5
+import logging
+
+logger = logging.getLogger("trading")
+
+def send_buy_signal():
+    """
+    Sets the global variable SINAL_PYTHON_COMPRA to 1 in MT5.
+    The MQL5 Expert Advisor will detect this, execute the trade, and reset the variable to 0.
+    """
+    try:
+        success = mt5.global_variable_set("SINAL_PYTHON_COMPRA", 1.0)
+        if success:
+            logger.info("SINAL_PYTHON_COMPRA defined successfully.")
+            return True
+        else:
+            logger.error("Failed to set SINAL_PYTHON_COMPRA.")
+            return False
+    except Exception as e:
+        logger.error(f"Exception when sending BUY signal: {e}")
+        return False
+
+def send_sell_signal():
+    """
+    Sets the global variable SINAL_PYTHON_VENDA to 1 in MT5.
+    The MQL5 Expert Advisor will detect this, execute the trade, and reset the variable to 0.
+    """
+    try:
+        success = mt5.global_variable_set("SINAL_PYTHON_VENDA", 1.0)
+        if success:
+            logger.info("SINAL_PYTHON_VENDA defined successfully.")
+            return True
+        else:
+            logger.error("Failed to set SINAL_PYTHON_VENDA.")
+            return False
+    except Exception as e:
+        logger.error(f"Exception when sending SELL signal: {e}")
+        return False