From c3815afcd46f423f3e69206c1c0ff3d00b0de89d Mon Sep 17 00:00:00 2001
From: Lars <Lars@stommer.de>
Date: Sun, 9 Nov 2025 10:39:16 +0100
Subject: [PATCH] =?UTF-8?q?app/core/edges=5Fwriter.py=20hinzugef=C3=BCgt?=
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---
 app/core/edges_writer.py | 94 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 app/core/edges_writer.py

diff --git a/app/core/edges_writer.py b/app/core/edges_writer.py
new file mode 100644
index 0000000..066e44a
--- /dev/null
+++ b/app/core/edges_writer.py
@@ -0,0 +1,94 @@
+# app/core/edges_writer.py
+from __future__ import annotations
+import hashlib
+from typing import Dict, List, Iterable, Tuple
+
+try:
+    # Dein Modul mit der Schemadefinition und der Builder-Funktion
+    from app.core.edges import build_edges_for_note  # noqa: F401
+except Exception as e:
+    raise RuntimeError("Konnte app.core.edges nicht importieren. "
+                       "Bitte sicherstellen, dass app/core/edges.py vorhanden ist.") from e
+
+def _edge_uid(kind: str, source_id: str, target_id: str, scope: str) -> str:
+    """
+    Deterministische, kurze ID für eine Edge.
+    Kollisionen sind praktisch ausgeschlossen (BLAKE2s über den Kanonischen Schlüssel).
+    """
+    key = f"{kind}|{source_id}|{target_id}|{scope}"
+    return hashlib.blake2s(key.encode("utf-8"), digest_size=12).hexdigest()
+
+def ensure_edges_collection(qdrant_client, collection: str) -> None:
+    """
+    Legt die Edge-Collection an, falls sie nicht existiert.
+    Minimal: 1D-Vector (Dummy), Cosine. Payload-only-Collections sind je nach Qdrant-Version heikel.
+    """
+    from qdrant_client.http import models as qm
+
+    existing = [c.name for c in qdrant_client.get_collections().collections]
+    if collection in existing:
+        return
+
+    qdrant_client.recreate_collection(
+        collection_name=collection,
+        vectors_config=qm.VectorParams(size=1, distance=qm.Distance.COSINE),
+        on_disk_payload=True,
+    )
+
+def edges_from_note(
+    note_id: str,
+    chunk_payloads: List[Dict],
+    note_level_refs: Iterable[str] | None,
+    *,
+    include_note_scope_refs: bool = False,
+) -> List[Dict]:
+    """
+    Ruft deinen Edge-Builder auf und gibt die (deduplizierten) Edge-Payloads zurück.
+    Keine Schemaänderung – exakt das aus app/core/edges.py.
+    """
+    return build_edges_for_note(
+        note_id=note_id,
+        chunk_payloads=chunk_payloads,
+        note_level_refs=list(note_level_refs or []),
+        include_note_scope_refs=include_note_scope_refs,
+    )
+
+def upsert_edges(
+    qdrant_client,
+    collection: str,
+    edge_payloads: List[Dict],
+) -> Tuple[int, int]:
+    """
+    Schreibt Edges als Points in Qdrant.
+    - id: deterministisch aus (kind, source_id, target_id, scope)
+    - vector: [0.0] Dummy
+    - payload: Edge-Dict (unverändert, siehe Schema in app/core/edges.py)
+    Gibt (anzahl_points, anzahl_unique_keys) zurück.
+    """
+    from qdrant_client.models import PointStruct
+
+    if not edge_payloads:
+        return 0, 0
+
+    points = []
+    seen = set()
+    for e in edge_payloads:
+        key = (e.get("kind"), e.get("source_id"), e.get("target_id"), e.get("scope"))
+        if key in seen:
+            continue
+        seen.add(key)
+        eid = _edge_uid(*key)
+        points.append(
+            PointStruct(
+                id=eid,
+                vector=[0.0],
+                payload=e,
+            )
+        )
+
+    if not points:
+        return 0, 0
+
+    ensure_edges_collection(qdrant_client, collection)
+    qdrant_client.upsert(collection_name=collection, points=points)
+    return len(points), len(seen)