Changed the base directory where the data generated by the program to be at the home directory and also added a check to ensure the creation of the program directory

src/pilgrim/database.py

@@ -1,14 +1,42 @@
 from sqlalchemy import create_engine
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import sessionmaker
+from pathlib import Path
+import os
+import shutil
 
 Base = declarative_base()
 
+def get_database_path() -> Path:
+    """
+    Get the database file path following XDG Base Directory specification.
+    Creates the directory if it doesn't exist.
+    """
+    # Get home directory
+    home = Path.home()
+    
+    # Create .pilgrim directory if it doesn't exist
+    pilgrim_dir = home / ".pilgrim"
+    pilgrim_dir.mkdir(exist_ok=True)
+    
+    # Database file path
+    db_path = pilgrim_dir / "database.db"
+    
+    # If database doesn't exist in new location but exists in current directory,
+    # migrate it
+    if not db_path.exists():
+        current_db = Path("database.db")
+        if current_db.exists():
+            shutil.copy2(current_db, db_path)
+            print(f"Database migrated from {current_db} to {db_path}")
+    
+    return db_path
 
 class Database:
     def __init__(self):
+        db_path = get_database_path()
         self.engine = create_engine(
-            "sqlite:///database.db",
+            f"sqlite:///{db_path}",
             echo=False,
             connect_args={"check_same_thread": False},
         )