Adding OData Import

app/services/odata.py

@@ -0,0 +1,24 @@
+"""Fetch records from an OData v4 JSON endpoint, following pagination."""
+
+import httpx
+
+
+async def fetch(
+    url: str,
+    username: str | None = None,
+    password: str | None = None,
+) -> list[dict]:
+    auth = (username, password) if username and password else None
+    records: list[dict] = []
+    next_url: str | None = url
+
+    headers= {"Accept": "application/json" }
+    async with httpx.AsyncClient(timeout=30.0) as client:
+        while next_url:
+            response = await client.get(next_url, auth=auth, headers=headers)
+            response.raise_for_status()
+            body = response.json()
+            records.extend(body.get("value", []))
+            next_url = body.get("@odata.nextLink")
+
+    return records