Check in current backend

packages/sshecret-backend/src/sshecret_backend/settings.py

@@ -1,21 +1,49 @@
 """Settings management."""
 
-from pydantic import Field
+from pathlib import Path
+from typing import Annotated, Any
+from pydantic import Field, field_validator
 from pydantic_settings import (
     BaseSettings,
     SettingsConfigDict,
+    ForceDecode,
 )
+from sqlalchemy import URL
 
 
-DEFAULT_DATABASE = "sqlite:///sshecret.db"
+DEFAULT_DATABASE = "sshecret.db"
 
 
 class BackendSettings(BaseSettings):
     """Backend settings."""
 
-    model_config = SettingsConfigDict(env_file=".backend.env", env_prefix="sshecret_")
+    model_config = SettingsConfigDict(
+        env_file=".backend.env", env_prefix="sshecret_backend_"
+    )
 
-    db_url: str = Field(default=DEFAULT_DATABASE)
+    database: str = Field(default=DEFAULT_DATABASE)
+    generate_initial_tokens: Annotated[bool, ForceDecode] = Field(default=False)
+
+    @field_validator("generate_initial_tokens", mode="before")
+    @classmethod
+    def cast_bool(cls, value: Any) -> bool:
+        """Ensure we catch the boolean."""
+        if isinstance(value, str):
+            if value.lower() in ("1", "true", "on"):
+                return True
+            if value.lower() in ("0", "false", "off"):
+                return False
+        return bool(value)
+
+    @property
+    def db_url(self) -> URL:
+        """Construct database url."""
+        return URL.create(drivername="sqlite", database=self.database)
+
+    @property
+    def db_exists(self) -> bool:
+        """Check if databatase exists."""
+        return Path(self.database).exists()
 
 
 def get_settings() -> BackendSettings: