Fix/introduce legacy endpoints (#896)

* fix: remove unused route initialization files

* feat: add version api endpoints for transition period

* feat: add logging for legacy API calls

Author: gcharest

app/api/router.py

@@ -1,9 +1,32 @@
-from fastapi import APIRouter
+from fastapi import APIRouter, Request, Depends
 from api.routes.system import router as system_router
 from api.routes.auth import router as auth_router
 from api.v1.router import router as v1_router
+from core.logging import get_module_logger
 
+logger = get_module_logger()
 api_router = APIRouter()
+
+
+def log_legacy_calls(request: Request):
+    """
+    Log a warning message indicating that the legacy API is being used.
+    This function is intended to be called when the legacy API is accessed.
+    """
+    logger.warning(
+        "legacy_api_endpoint_accessed",
+        path=request.url.path,
+        method=request.method,
+        query_params=str(request.query_params),
+        ip_address=request.client.host if request.client else "unknown",
+        user_agent=request.headers.get("user-agent"),
+        referer=request.headers.get("referer"),
+        x_forwarded_for=request.headers.get("x-forwarded-for"),
+        authorization_present=bool(request.headers.get("authorization")),
+    )
+
+
 api_router.include_router(system_router)
 api_router.include_router(auth_router)
-api_router.include_router(v1_router)
+api_router.include_router(v1_router, dependencies=[Depends(log_legacy_calls)])
+api_router.include_router(v1_router, prefix="/api/v1")