Added automatic nightly SQLite backups

Resolves #22

spoolman/api/v1/models.py

@@ -159,3 +159,12 @@ class Spool(BaseModel):
 
 class HealthCheck(BaseModel):
     status: str = Field(example="healthy")
+
+
+class BackupResponse(BaseModel):
+    success: bool = Field(description="Whether the backup was created successfully.", example=True)
+    path: Optional[str] = Field(
+        default=None,
+        description="Path to the created backup file.",
+        example="/home/app/.local/share/spoolman/backups/spoolman.db",
+    )

spoolman/api/v1/router.py

@@ -9,6 +9,7 @@ from fastapi.responses import JSONResponse
 from starlette.requests import Request
 from starlette.responses import Response
 
+from spoolman.database.database import backup_task
 from spoolman.exceptions import ItemNotFoundError
 
 from . import filament, models, spool, vendor
@@ -39,6 +40,17 @@ async def health() -> models.HealthCheck:
     return models.HealthCheck(status="healthy")
 
 
+# Add endpoint for triggering a db backup
+@app.post("/backup", summary="Trigger a database backup. Only applicable for SQLite databases.")
+async def backup() -> models.BackupResponse:
+    """Trigger a database backup."""
+    path = await backup_task()
+    if path is None:
+        return models.BackupResponse(success=False)
+    return models.BackupResponse(success=True, path=str(path))
+
+
+# Add routers
 app.include_router(filament.router)
 app.include_router(spool.router)
 app.include_router(vendor.router)