Sync from development - prepare for v0.1.6.5

jackify/backend/services/platform_detection_service.py

@@ -0,0 +1,67 @@
+#!/usr/bin/env python3
+"""
+Platform Detection Service
+
+Centralizes platform detection logic (Steam Deck, etc.) to be performed once at application startup
+and shared across all components.
+"""
+
+import os
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class PlatformDetectionService:
+    """
+    Service for detecting platform-specific information once at startup
+    """
+
+    _instance = None
+    _is_steamdeck = None
+
+    def __new__(cls):
+        """Singleton pattern to ensure only one instance"""
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+
+    def __init__(self):
+        """Initialize platform detection if not already done"""
+        if self._is_steamdeck is None:
+            self._detect_platform()
+
+    def _detect_platform(self):
+        """Perform platform detection once"""
+        logger.debug("Performing platform detection...")
+
+        # Steam Deck detection
+        self._is_steamdeck = False
+        try:
+            if os.path.exists('/etc/os-release'):
+                with open('/etc/os-release', 'r') as f:
+                    content = f.read().lower()
+                    if 'steamdeck' in content:
+                        self._is_steamdeck = True
+                        logger.info("Steam Deck platform detected")
+                    else:
+                        logger.debug("Non-Steam Deck Linux platform detected")
+            else:
+                logger.debug("No /etc/os-release found - assuming non-Steam Deck platform")
+        except Exception as e:
+            logger.warning(f"Error detecting Steam Deck platform: {e}")
+            self._is_steamdeck = False
+
+        logger.debug(f"Platform detection complete: is_steamdeck={self._is_steamdeck}")
+
+    @property
+    def is_steamdeck(self) -> bool:
+        """Get Steam Deck detection result"""
+        if self._is_steamdeck is None:
+            self._detect_platform()
+        return self._is_steamdeck
+
+    @classmethod
+    def get_instance(cls):
+        """Get the singleton instance"""
+        return cls()