feat: re-implement Graph with Reagraph

analysis.py

@@ -51,6 +51,44 @@ def sociogram_json():
     return JSONResponse({"nodes": nodes, "edges": edges})
 
 
+def graph_json():
+    nodes = []
+    edges = []
+    with Session(engine) as session:
+        for p in session.exec(select(P)).fetchall():
+            nodes.append({"id": p.name, "label": p.name})
+        subquery = (
+            select(C.user, func.max(C.time).label("latest"))
+            .where(C.time > datetime(2025, 2, 1, 10))
+            .group_by(C.user)
+            .subquery()
+        )
+        statement2 = select(C).join(
+            subquery, (C.user == subquery.c.user) & (C.time == subquery.c.latest)
+        )
+        for c in session.exec(statement2):
+            for p in c.love:
+                edges.append(
+                    {
+                        "id": f"{c.user}->{p}",
+                        "source": c.user,
+                        "target": p,
+                        "relation": "likes",
+                    }
+                )
+            continue
+            for p in c.hate:
+                edges.append(
+                    {
+                        id: f"{c.user}-x>{p}",
+                        "source": c.user,
+                        "target": p,
+                        "relation": "dislikes",
+                    }
+                )
+    return JSONResponse({"nodes": nodes, "edges": edges})
+
+
 def sociogram_data(show: int | None = 2):
     G = nx.DiGraph()
     with Session(engine) as session:
@@ -146,6 +184,7 @@ async def render_sociogram(params: Params):
 
 
 analysis_router.add_api_route("/json", endpoint=sociogram_json, methods=["GET"])
+analysis_router.add_api_route("/graph_json", endpoint=graph_json, methods=["GET"])
 analysis_router.add_api_route("/image", endpoint=render_sociogram, methods=["POST"])
 
 if __name__ == "__main__":