feat: add popularity option

Reviewed-on: #1

analysis.py

@@ -24,10 +24,10 @@ P = Player
 def sociogram_json():
     nodes = []
     necessary_nodes = set()
-    links = []
+    edges = []
     with Session(engine) as session:
         for p in session.exec(select(P)).fetchall():
-            nodes.append({"id": p.name, "appearance": 1})
+            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))
@@ -44,9 +44,58 @@ def sociogram_json():
                 # G.add_edge(c.user, p)
                 # p_id = session.exec(select(P.id).where(P.name == p)).one()
                 necessary_nodes.add(p)
-                links.append({"source": c.user, "target": p})
+                edges.append({"from": c.user, "to": p, "relation": "likes"})
+            for p in c.hate:
+                edges.append({"from": c.user, "to": p, "relation": "dislikes"})
     # nodes = [n for n in nodes if n["name"] in necessary_nodes]
-    return JSONResponse({"nodes": nodes, "links": links})
+    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 i, p in enumerate(c.love):
+                edges.append(
+                    {
+                        "id": f"{c.user}->{p}",
+                        "source": c.user,
+                        "target": p,
+                        "size": max(1.0 - 0.1 * i, 0.3),
+                        "data": {"relation": 2},
+                    }
+                )
+            for p in c.hate:
+                edges.append(
+                    {
+                        "id": f"{c.user}-x>{p}",
+                        "source": c.user,
+                        "target": p,
+                        "size": 0.3,
+                        "data": {"relation": 0},
+                        "fill": "#ff7c7c",
+                    }
+                )
+
+    G = nx.DiGraph()
+    G.add_weighted_edges_from([(e["source"], e["target"], e["size"]) for e in edges])
+    in_degrees = G.in_degree(weight="weight")
+    nodes = [
+        dict(node, **{"data": {"inDegree": in_degrees[node["id"]]}}) for node in nodes
+    ]
+    return JSONResponse({"nodes": nodes, "edges": edges})
 
 
 def sociogram_data(show: int | None = 2):
@@ -144,6 +193,7 @@ 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__":

db.py

@@ -12,7 +12,7 @@ from sqlmodel import (
 with open("db.secrets", "r") as f:
     db_secrets = f.readline().strip()
 
-engine = create_engine(db_secrets)
+engine = create_engine(db_secrets, connect_args={"connect_timeout": 8})
 del db_secrets
 
 

package.json

@@ -10,15 +10,14 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "d3": "^7.9.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-sortablejs": "^6.1.4",
+    "reagraph": "^4.21.2",
     "sortablejs": "^1.15.6"
   },
   "devDependencies": {
     "@eslint/js": "^9.17.0",
-    "@types/d3": "^7.4.3",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
     "@types/sortablejs": "^1.15.8",

security.py

@@ -9,6 +9,7 @@ from db import engine, User
 from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
 from pydantic_settings import BaseSettings, SettingsConfigDict
 from passlib.context import CryptContext
+from sqlalchemy.exc import OperationalError
 
 
 class Config(BaseSettings):
@@ -47,10 +48,13 @@ def get_password_hash(password):
 
 def get_user(username: str | None):
     if username:
+        try:
             with Session(engine) as session:
                 return session.exec(
                     select(User).where(User.username == username)
                 ).one_or_none()
+        except OperationalError:
+            return
 
 
 def authenticate_user(username: str, password: str):

src/App.css

@@ -23,6 +23,87 @@ footer {
   font-size: x-small;
 }
 
+/*=========Network Controls=========*/
+
+.controls {
+  z-index: 9;
+  position: absolute;
+  width: 240px;
+  right: 24px;
+  top: 1vh;
+  padding: 16px;
+
+  .control {
+    display: flex;
+    flex-direction: row;
+    margin: 4px 2px;
+    background-color: aliceblue;
+
+    * {
+      margin: 4px;
+    }
+  }
+
+  #three-slider {
+    display: flex;
+    flex-direction: row;
+  }
+}
+
+/* The switch - the box around the slider */
+.switch {
+  position: relative;
+  width: 68px;
+  height: 42px;
+}
+
+/* Hide default HTML checkbox */
+.switch input {
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+
+/* The slider */
+.slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: #ccc;
+  border-radius: 34px;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+.slider:before {
+  position: absolute;
+  content: "";
+  height: 26px;
+  width: 26px;
+  left: 4px;
+  bottom: 4px;
+  background-color: white;
+  border-radius: 50%;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+input:checked+.slider {
+  background-color: #2196F3;
+}
+
+input:focus+.slider {
+  box-shadow: 0 0 1px #2196F3;
+}
+
+input:checked+.slider:before {
+  -webkit-transform: translateX(26px);
+  -ms-transform: translateX(26px);
+  transform: translateX(26px);
+}
 
 .grey {
   color: #444;
@@ -168,13 +249,24 @@ button,
   #control-panel {
     grid-template-columns: repeat(2, 1fr);
   }
+
+  .control {
+    font-size: 80%;
+    margin: 0px;
   }
 
+}
+
+
 @media only screen and (max-width: 768px) {
   #control-panel {
     grid-template-columns: 1fr;
   }
 
+  .networkroute {
+    display: none;
+  }
+
   .submit_text {
     display: none;
   }
@@ -241,6 +333,8 @@ button,
   font-size: 150%;
 }
 
+/*======LOGO=======*/
+
 .logo {
   position: relative;
   text-align: center;
@@ -268,6 +362,15 @@ button,
   }
 }
 
+.networkroute {
+  z-index: 10;
+  position: absolute;
+  top: 24px;
+  left: 48px;
+}
+
+/*======SPINNER=======*/
+
 .loader {
   display: block;
   position: relative;

src/App.tsx

@@ -5,19 +5,19 @@ import Header from "./Header";
 import Rankings from "./Rankings";
 import { BrowserRouter, Routes, Route } from "react-router";
 import { SessionProvider } from "./Session";
+import { GraphComponent } from "./Network";
 
 function App() {
-  //const [data, setData] = useState({ nodes: [], links: [] } as SociogramData);
-  //async function loadData() {
-  //  await fetch(`${baseUrl}api/analysis/json`, { method: "GET" }).then(resp => resp.json() as unknown as SociogramData).then(json => { setData(json) })
-  //}
-  //useEffect(() => { loadData() }, [])
-  //
   return (
     <BrowserRouter>
       <Header />
       <Routes>
         <Route index element={<Rankings />} />
+        <Route path="/network" element={
+          <SessionProvider>
+            <GraphComponent />
+          </SessionProvider>
+        } />
         <Route path="/analysis" element={
           <SessionProvider>
             <Analysis />

src/Footer.tsx

@@ -5,7 +5,7 @@ export default function Footer() {
                 <div className="navbar">
                         <Link to="/" ><span>Form</span></Link>
                         <span>|</span>
-                        <Link to="/analysis" ><span>Trainer Analysis</span></Link>
+                        <Link to="/network" ><span>Trainer Analysis</span></Link>
                 </div>
                 <p className="grey extra-margin">
                         something not working?

src/Header.tsx

@@ -1,8 +1,6 @@
-import { baseUrl } from "./api";
-
 export default function Header() {
-  return <div className="logo">
+  return <div className="logo" id="logo">
-    <a href={baseUrl}>
+    <a href={"/"}>
       <img alt="logo" height="66%" src="logo.svg" />
       <h3 className="centered">cutt</h3>
     </a>

src/Network.tsx

@@ -0,0 +1,151 @@
+import { useEffect, useRef, useState } from "react";
+import { apiAuth } from "./api";
+import { GraphCanvas, GraphCanvasRef, GraphEdge, GraphNode, SelectionProps, SelectionResult, useSelection } from "reagraph";
+import { customTheme } from "./NetworkTheme";
+
+interface NetworkData {
+  nodes: GraphNode[],
+  edges: GraphEdge[],
+}
+interface CustomSelectionProps extends SelectionProps {
+  ignore: string[];
+}
+
+const useCustomSelection = (props: CustomSelectionProps): SelectionResult => {
+  var result = useSelection(props);
+  result.actives = result.actives.filter((s) => !props.ignore.includes(s))
+  return result
+}
+
+export const GraphComponent = () => {
+  const [data, setData] = useState({ nodes: [], edges: [] } as NetworkData);
+  const [loading, setLoading] = useState(true);
+  const [threed, setThreed] = useState(false);
+  const [likes, setLikes] = useState(2);
+  const [popularity, setPopularity] = useState(false);
+  const logo = document.getElementById("logo")
+  if (logo) {
+    logo.className = "logo networkroute";
+  }
+
+  async function loadData() {
+    setLoading(true);
+    await apiAuth("analysis/graph_json", null)
+      .then(json => json as Promise<NetworkData>).then(json => { setData(json) })
+    setLoading(false);
+  }
+
+  useEffect(() => { loadData() }, [])
+
+  const graphRef = useRef<GraphCanvasRef | null>(null);
+
+  function handleThreed() {
+    setThreed(!threed)
+    graphRef.current?.fitNodesInView();
+    graphRef.current?.centerGraph();
+    graphRef.current?.resetControls();
+  }
+
+  function handlePopularity() {
+    setPopularity(!popularity)
+    //graphRef.current?.fitNodesInView();
+    //graphRef.current?.centerGraph();
+    //graphRef.current?.resetControls();
+  }
+
+  function showLabel() {
+    switch (likes) {
+      case 0: return "dislike";
+      case 1: return "both";
+      case 2: return "like";
+    }
+  }
+
+  const { selections, actives, onNodeClick, onCanvasClick } = useCustomSelection({
+    ref: graphRef,
+    nodes: data.nodes,
+    edges: data.edges.filter((edge) => edge.data.relation === likes),
+    ignore: data.edges.map((edge) => { return (likes === 1 && edge.data.relation !== 2) ? edge.id : "" }),
+    pathSelectionType: 'out',
+    type: 'multiModifier'
+  });
+
+
+  return (
+    <div style={{ position: 'absolute', top: 0, bottom: 0, left: 0, right: 0 }}>
+      <div className="controls" >
+
+        <div className="control" onClick={handleThreed}>
+          <span>2D</span>
+          <div className="switch">
+            <input type="checkbox" checked={threed} />
+            <span className="slider round"></span>
+          </div>
+          <span>3D</span>
+        </div>
+
+        <div className="control">
+          <div className="stack column">
+            <datalist id="markers">
+              <option value="0"></option>
+              <option value="1"></option>
+              <option value="2"></option>
+            </datalist>
+            <div id="three-slider">
+              <label>😬</label>
+              <input
+                type="range"
+                list="markers"
+                min="0"
+                max="2"
+                step="1"
+                width="16px"
+                onChange={(evt) => setLikes(Number(evt.target.value))}
+              />
+              <label>😍</label>
+            </div>
+            {showLabel()}
+          </div>
+        </div>
+
+        <div className="control" onClick={handlePopularity}>
+          <div className="switch">
+            <input type="checkbox" checked={popularity} />
+            <span className="slider round"></span>
+          </div>
+          <span>popularity<sup>*</sup></span>
+        </div>
+
+      </div>
+
+      {popularity && <div style={{ position: 'absolute', bottom: 0, right: "10px", zIndex: 10 }}>
+        <span className="grey" style={{ fontSize: "70%" }}><sup>*</sup>popularity meassured by rank-weighted in-degree</span>
+      </div>}
+
+      {
+        loading ? <span className="loader" /> :
+          <GraphCanvas
+            draggable
+            cameraMode={threed ? "rotate" : "pan"}
+            layoutType={threed ? "forceDirected3d" : "forceDirected2d"}
+            layoutOverrides={{
+              nodeStrength: -200,
+              linkDistance: 100
+            }}
+            labelType="nodes"
+            sizingType="attribute"
+            sizingAttribute={popularity ? "inDegree" : undefined}
+            ref={graphRef}
+            theme={customTheme}
+            nodes={data.nodes}
+            edges={data.edges.filter((edge) => edge.data.relation === likes || likes === 1)}
+            selections={selections}
+            actives={actives}
+            onCanvasClick={onCanvasClick}
+            onNodeClick={onNodeClick}
+          />
+      }
+    </div >
+  );
+}
+

src/NetworkTheme.tsx

@@ -0,0 +1,59 @@
+import { Theme } from "reagraph";
+
+export const customTheme: Theme = {
+  canvas: {
+    background: 'aliceblue',
+  },
+  node: {
+    fill: '#69F',
+    activeFill: '#36C',
+    opacity: 1,
+    selectedOpacity: 1,
+    inactiveOpacity: 0.333,
+    label: {
+      color: '#404040',
+      stroke: 'white',
+      activeColor: 'black'
+    },
+    subLabel: {
+      color: '#ddd',
+      stroke: 'transparent',
+      activeColor: '#1DE9AC'
+    }
+  },
+  lasso: {
+    border: '1px solid #55aaff',
+    background: 'rgba(75, 160, 255, 0.1)'
+  },
+  ring: {
+    fill: '#69F',
+    activeFill: '#36C'
+  },
+  edge: {
+    fill: '#bed4ff',
+    activeFill: '#36C',
+    opacity: 1,
+    selectedOpacity: 1,
+    inactiveOpacity: 0.333,
+    label: {
+      stroke: '#fff',
+      color: '#2A6475',
+      activeColor: '#1DE9AC',
+      fontSize: 6
+    }
+  },
+  arrow: {
+    fill: '#bed4ff',
+    activeFill: '#36C'
+  },
+  cluster: {
+    stroke: '#D8E6EA',
+    opacity: 1,
+    selectedOpacity: 1,
+    inactiveOpacity: 0.1,
+    label: {
+      stroke: '#fff',
+      color: '#2A6475'
+    }
+  }
+};

src/api.ts

@@ -20,13 +20,16 @@ export default async function api(path: string, data: any): Promise<any> {
 
 export async function apiAuth(path: string, data: any, method: string = "GET"): Promise<any> {
 
-  const req = new Request(`${baseUrl}api/${path}`, {
+  const req = new Request(`${baseUrl}api/${path}`,
-    method: method, headers: {
+    {
+      method: method,
+      headers: {
         "Authorization": `Bearer ${token()} `,
         'Content-Type': 'application/json'
       },
-    body: JSON.stringify(data),
+      ...(data && { body: JSON.stringify(data) })
-  });
+    }
+  );
   let resp: Response;
   try {
     resp = await fetch(req);