feat: implement login auth for all

also show the username underneath the logo

analysis.py

@@ -6,8 +6,9 @@ from fastapi.responses import JSONResponse
 from pydantic import BaseModel, Field
 from sqlmodel import Session, func, select
 from sqlmodel.sql.expression import SelectOfScalar
-from db import Chemistry, Player, engine
+from db import Chemistry, MVPRanking, Player, engine
 import networkx as nx
+import numpy as np
 import matplotlib
 
 matplotlib.use("agg")
@@ -18,6 +19,7 @@ analysis_router = APIRouter(prefix="/analysis")
 
 
 C = Chemistry
+R = MVPRanking
 P = Player
 
 
@@ -67,25 +69,38 @@ def graph_json():
             subquery, (C.user == subquery.c.user) & (C.time == subquery.c.latest)
         )
         for c in session.exec(statement2):
-            for p in c.love:
+            for i, p in enumerate(c.love):
                 edges.append(
                     {
                         "id": f"{c.user}->{p}",
                         "source": c.user,
                         "target": p,
-                        "relation": "likes",
+                        "size": max(1.0 - 0.1 * i, 0.3),
+                        "data": {
+                            "relation": 2,
+                            "origSize": max(1.0 - 0.1 * i, 0.3),
+                            "origFill": "#bed4ff",
+                        },
                     }
                 )
-            continue
             for p in c.hate:
                 edges.append(
                     {
-                        id: f"{c.user}-x>{p}",
+                        "id": f"{c.user}-x>{p}",
                         "source": c.user,
                         "target": p,
-                        "relation": "dislikes",
+                        "size": 0.3,
+                        "data": {"relation": 0, "origSize": 0.3, "origFill": "#ff7c7c"},
+                        "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})
 
 
@@ -183,9 +198,36 @@ async def render_sociogram(params: Params):
     return {"image": encoded_image}
 
 
+def mvp():
+    ranks = dict()
+    with Session(engine) as session:
+        subquery = (
+            select(R.user, func.max(R.time).label("latest"))
+            .where(R.time > datetime(2025, 2, 8))
+            .group_by(R.user)
+            .subquery()
+        )
+        statement2 = select(R).join(
+            subquery, (R.user == subquery.c.user) & (R.time == subquery.c.latest)
+        )
+        for r in session.exec(statement2):
+            for i, p in enumerate(r.mvps):
+                ranks[p] = ranks.get(p, []) + [i + 1]
+    return [
+        {
+            "name": p,
+            "rank": f"{np.mean(v):.02f}",
+            "std": f"{np.std(v):.02f}",
+            "n": len(v),
+        }
+        for p, v in ranks.items()
+    ]
+
+
 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"])
+analysis_router.add_api_route("/mvp", endpoint=mvp, methods=["GET"])
 
 if __name__ == "__main__":
     with Session(engine) as session:

db.py

@@ -69,6 +69,7 @@ class User(SQLModel, table=True):
     disabled: bool | None = None
     hashed_password: str | None = None
     player_id: int | None = Field(default=None, foreign_key="player.id")
+    scopes: str = ""
 
 
 SQLModel.metadata.create_all(engine)

main.py

@@ -1,4 +1,4 @@
-from fastapi import APIRouter, Depends, FastAPI, status
+from fastapi import APIRouter, Depends, FastAPI, Security, status
 from fastapi.staticfiles import StaticFiles
 from db import Player, Team, Chemistry, MVPRanking, engine
 from sqlmodel import (
@@ -18,10 +18,8 @@ from security import (
 app = FastAPI(title="cutt")
 api_router = APIRouter(prefix="/api")
 origins = [
-    "*",
-    "http://localhost",
-    "http://localhost:3000",
-    "http://localhost:8000",
+    "https://cutt.0124816.xyz",
+    "http://localhost:5173",
 ]
 
 app.add_middleware(
@@ -66,11 +64,21 @@ def list_teams():
 
 player_router = APIRouter(prefix="/player")
 player_router.add_api_route("/list", endpoint=list_players, methods=["GET"])
-player_router.add_api_route("/add", endpoint=add_player, methods=["POST"])
+player_router.add_api_route(
+    "/add",
+    endpoint=add_player,
+    methods=["POST"],
+    dependencies=[Depends(get_current_active_user)],
+)
 
 team_router = APIRouter(prefix="/team")
 team_router.add_api_route("/list", endpoint=list_teams, methods=["GET"])
-team_router.add_api_route("/add", endpoint=add_team, methods=["POST"])
+team_router.add_api_route(
+    "/add",
+    endpoint=add_team,
+    methods=["POST"],
+    dependencies=[Depends(get_current_active_user)],
+)
 
 
 @app.post("/mvps/", status_code=status.HTTP_200_OK)
@@ -98,7 +106,8 @@ class SPAStaticFiles(StaticFiles):
 api_router.include_router(player_router)
 api_router.include_router(team_router)
 api_router.include_router(
-    analysis_router, dependencies=[Depends(get_current_active_user)]
+    analysis_router,
+    dependencies=[Security(get_current_active_user, scopes=["analysis"])],
 )
 api_router.add_api_route("/token", endpoint=login_for_access_token, methods=["POST"])
 api_router.add_api_route("/users/me/", endpoint=read_users_me, methods=["GET"])

package.json

@@ -10,16 +10,16 @@
     "preview": "vite preview"
   },
   "dependencies": {
-    "react": "^18.3.1",
-    "react-dom": "^18.3.1",
+    "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/react": "^18.3.18",
-    "@types/react-dom": "^18.3.5",
+    "@types/react": "18.3.18",
+    "@types/react-dom": "18.3.5",
     "@types/sortablejs": "^1.15.8",
     "@vitejs/plugin-react": "^4.3.4",
     "eslint": "^9.17.0",

security.py

@@ -1,12 +1,16 @@
 from datetime import timedelta, timezone, datetime
 from typing import Annotated
 from fastapi import Depends, HTTPException, Response, status
-from pydantic import BaseModel
+from pydantic import BaseModel, ValidationError
 import jwt
 from jwt.exceptions import InvalidTokenError
 from sqlmodel import Session, select
 from db import engine, User
-from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
+from fastapi.security import (
+    OAuth2PasswordBearer,
+    OAuth2PasswordRequestForm,
+    SecurityScopes,
+)
 from pydantic_settings import BaseSettings, SettingsConfigDict
 from passlib.context import CryptContext
 from sqlalchemy.exc import OperationalError
@@ -30,12 +34,18 @@ class Token(BaseModel):
 
 class TokenData(BaseModel):
     username: str | None = None
+    scopes: list[str] = []
 
 
 pwd_context = CryptContext(schemes=["argon2"], deprecated="auto")
 
 
-oauth2_scheme = OAuth2PasswordBearer(tokenUrl="api/token")
+oauth2_scheme = OAuth2PasswordBearer(
+    tokenUrl="api/token",
+    scopes={
+        "analysis": "Access the results.",
+    },
+)
 
 
 def verify_password(plain_password, hashed_password):
@@ -77,23 +87,37 @@ def create_access_token(data: dict, expires_delta: timedelta | None = None):
     return encoded_jwt
 
 
-async def get_current_user(token: Annotated[str, Depends(oauth2_scheme)]):
+async def get_current_user(
+    security_scopes: SecurityScopes, token: Annotated[str, Depends(oauth2_scheme)]
+):
+    if security_scopes.scopes:
+        authenticate_value = f'Bearer scope="{security_scopes.scope_str}"'
+    else:
+        authenticate_value = "Bearer"
     credentials_exception = HTTPException(
         status_code=status.HTTP_401_UNAUTHORIZED,
         detail="Could not validate credentials",
-        headers={"WWW-Authenticate": "Bearer"},
+        headers={"WWW-Authenticate": authenticate_value},
     )
     try:
         payload = jwt.decode(token, config.secret_key, algorithms=["HS256"])
         username: str = payload.get("sub")
         if username is None:
             raise credentials_exception
-        token_data = TokenData(username=username)
-    except InvalidTokenError:
+        token_scopes = payload.get("scopes", [])
+        token_data = TokenData(username=username, scopes=token_scopes)
+    except (InvalidTokenError, ValidationError):
         raise credentials_exception
     user = get_user(username=token_data.username)
     if user is None:
         raise credentials_exception
+    for scope in security_scopes.scopes:
+        if scope not in token_data.scopes:
+            raise HTTPException(
+                status_code=status.HTTP_401_UNAUTHORIZED,
+                detail="Not enough permissions",
+                headers={"WWW-Authenticate": authenticate_value},
+            )
     return user
 
 
@@ -116,8 +140,11 @@ async def login_for_access_token(
             headers={"WWW-Authenticate": "Bearer"},
         )
     access_token_expires = timedelta(minutes=config.access_token_expire_minutes)
+    allowed_scopes = set(user.scopes.split())
+    requested_scopes = set(form_data.scopes)
     access_token = create_access_token(
-        data={"sub": user.username}, expires_delta=access_token_expires
+        data={"sub": user.username, "scopes": list(allowed_scopes)},
+        expires_delta=access_token_expires,
     )
     response.set_cookie(
         "Authorization", value=f"Bearer {access_token}", httponly=True, samesite="none"

src/Analysis.tsx

@@ -42,7 +42,7 @@ interface DeferredProps {
 }
 
 
-let timeoutID: number | null = null;
+let timeoutID: NodeJS.Timeout | null = null;
 export default function Analysis() {
   const [image, setImage] = useState("");
   const [params, setParams] = useState<Params>({

src/App.css

@@ -23,6 +23,114 @@ footer {
   font-size: x-small;
 }
 
+.fixed-footer {
+  position: absolute;
+  bottom: 4px;
+  left: 8px;
+}
+
+/*=========Network Controls=========*/
+
+.infobutton {
+  position: fixed;
+  right: 8px;
+  bottom: 8px;
+  padding: 0.4em;
+  border-radius: 1em;
+  background-color: rgba(0, 0, 0, 0.3);
+  font-size: medium;
+  margin-bottom: 16px;
+  margin-right: 16px;
+}
+
+.controls {
+  z-index: 9;
+  position: absolute;
+  top: 1vh;
+  right: 0px;
+  padding: 8px;
+  display: grid;
+  grid-template-columns: repeat(2, 1fr);
+  gap: 8px;
+
+  .control {
+    display: flex;
+    flex-direction: row;
+    flex-wrap: wrap;
+    max-width: 240px;
+    margin: 0px;
+    background-color: #F0F8FFdd;
+
+    .slider,
+    span {
+      padding-left: 4px;
+      padding-right: 4px;
+    }
+  }
+
+  #three-slider {
+    display: flex;
+    flex-direction: row;
+    margin: auto;
+    justify-content: center;
+    align-items: center;
+  }
+}
+
+/* The switch - the box around the slider */
+.switch {
+  position: relative;
+  width: 48px;
+  height: 24px;
+}
+
+/* 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: 18px;
+  width: 18px;
+  left: 3px;
+  bottom: 3px;
+  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(24px);
+  -ms-transform: translateX(24px);
+  transform: translateX(24px);
+}
 
 .grey {
   color: #444;
@@ -168,13 +276,24 @@ 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;
   }
@@ -241,11 +360,17 @@ button,
   font-size: 150%;
 }
 
+/*======LOGO=======*/
+
 .logo {
   position: relative;
   text-align: center;
   height: 140px;
-  margin-bottom: 20px;
+
+  span {
+    display: block;
+    margin: 2px;
+  }
 
   img {
     display: block;
@@ -268,6 +393,22 @@ button,
   }
 }
 
+.avatar {
+  background-color: lightsteelblue;
+  padding: 2px 8px;
+  width: fit-content;
+  margin: auto;
+}
+
+.networkroute {
+  z-index: 3;
+  position: absolute;
+  top: 24px;
+  left: 48px;
+}
+
+/*======SPINNER=======*/
+
 .loader {
   display: block;
   position: relative;

src/App.tsx

@@ -6,25 +6,22 @@ import Rankings from "./Rankings";
 import { BrowserRouter, Routes, Route } from "react-router";
 import { SessionProvider } from "./Session";
 import { GraphComponent } from "./Network";
+import MVPChart from "./MVPChart";
+import Avatar from "./Avatar";
 
 function App() {
   return (
     <BrowserRouter>
-      <Header />
-      <Routes>
-        <Route index element={<Rankings />} />
-        <Route path="/network" element={
-          <SessionProvider>
-            <GraphComponent />
-          </SessionProvider>
-        } />
-        <Route path="/analysis" element={
-          <SessionProvider>
-            <Analysis />
-          </SessionProvider>
-        } />
-      </Routes>
-      <Footer />
+      <SessionProvider>
+        <Header />
+        <Routes>
+          <Route index element={<Rankings />} />
+          <Route path="/network" element={<GraphComponent />} />
+          <Route path="/analysis" element={<Analysis />} />
+          <Route path="/mvp" element={<MVPChart />} />
+        </Routes>
+        <Footer />
+      </SessionProvider>
     </BrowserRouter>
   );
 }

src/Avatar.tsx

@@ -0,0 +1,99 @@
+import { MouseEventHandler, useEffect, useState } from "react";
+import { useSession } from "./Session";
+import { logout } from "./api";
+
+interface ContextMenuItem {
+  label: string;
+  onClick: () => void;
+}
+
+export default function Avatar() {
+  const { user, onLogout } = useSession();
+  const [contextMenu, setContextMenu] = useState<{
+    open: boolean;
+    mouseX: number;
+    mouseY: number;
+  }>({ open: false, mouseX: 0, mouseY: 0 });
+
+  const contextMenuItems: ContextMenuItem[] = [
+    { label: "View Profile", onClick: () => console.log("View Profile") },
+    { label: "Edit Profile", onClick: () => console.log("Edit Profile") },
+    { label: "Logout", onClick: onLogout },
+  ];
+
+  const handleMenuClick: MouseEventHandler<HTMLDivElement> = (event) => {
+    event.preventDefault();
+    setContextMenu({
+      open: !contextMenu.open,
+      mouseX: event.clientX + 4,
+      mouseY: event.clientY + 2,
+    });
+  };
+  useEffect(() => {
+    if (contextMenu.open) {
+      document.addEventListener("click", handleCloseContextMenuOutside);
+    }
+    return () => {
+      document.removeEventListener("click", handleCloseContextMenuOutside);
+    };
+  }, [contextMenu.open]);
+
+  const handleMenuClose = () => {
+    setContextMenu({ ...contextMenu, open: false });
+  };
+  const handleCloseContextMenuOutside: MouseEventHandler<Document> = (
+    event
+  ) => {
+    if (
+      !event.target ||
+      (!(event.target as Element).closest(".context-menu") &&
+        !(event.target as Element).closest(".avatar"))
+    ) {
+      handleMenuClose();
+    }
+  };
+
+  return (
+    <div
+      className="avatar"
+      onContextMenu={handleMenuClick}
+      style={{ display: user ? "block" : "none" }}
+      onClick={handleMenuClick}
+    >
+      {user?.username}
+      {contextMenu.open && (
+        <ul
+          className="context-menu"
+          style={{
+            zIndex: 3,
+            position: "absolute",
+            top: contextMenu.mouseY,
+            left: contextMenu.mouseX,
+            background: "white",
+            border: "1px solid #ddd",
+            padding: 0,
+            margin: 0,
+            listStyle: "none",
+          }}
+        >
+          {contextMenuItems.map((item, index) => (
+            <li
+              key={index}
+              style={{
+                padding: "10px",
+                borderBottom: "1px solid #ddd",
+                cursor: "pointer",
+              }}
+              onClick={() => {
+                item.onClick();
+                handleMenuClose();
+              }}
+            >
+              {item.label}
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  );
+}

src/BarChart.tsx

@@ -0,0 +1,95 @@
+import { FC } from 'react';
+import { PlayerRanking } from './types';
+
+interface BarChartProps {
+  players: PlayerRanking[];
+  width: number;
+  height: number;
+  std: boolean;
+}
+
+const BarChart: FC<BarChartProps> = ({ players, width, height, std }) => {
+  const padding = 24;
+  const maxValue = Math.max(...players.map((player) => player.rank)) + 1;
+  const barWidth = (width - 2 * padding) / players.length;
+
+  return (
+    <svg width={width} height={height}>
+
+      {players.map((player, index) => (
+        <rect
+          key={index}
+          x={index * barWidth + padding}
+          y={height - (1 - player.rank / maxValue) * height}
+          width={barWidth - 8} // subtract 2 for some spacing between bars
+          height={(1 - player.rank / maxValue) * height}
+          fill="#69f"
+        />
+      ))}
+
+      {players.map((player, index) => (
+        <text
+          key={index}
+          x={index * barWidth + barWidth / 2 - 4 + padding}
+          y={height - (1 - player.rank / maxValue) * height - 5}
+          textAnchor="middle"
+          //transform='rotate(-27)'
+          //style={{ transformOrigin: "center", transformBox: "fill-box" }}
+          fontSize="16px"
+          fill="#404040"
+        >
+          {player.name}
+        </text>
+      ))}
+
+      {players.map((player, index) => (
+        <text
+          key={index}
+          x={index * barWidth + barWidth / 2 + padding - 4}
+          y={height - 8}
+          textAnchor="middle"
+          fontSize="12px"
+          fill="#404040"
+        >
+          {player.rank}
+        </text>
+      ))}
+
+      {std && players.map((player, index) => (
+        <line
+          key={`error-${index}`}
+          x1={index * barWidth + barWidth / 2 + padding}
+          y1={height - (1 - player.rank / maxValue) * height - (player.std / maxValue) * height}
+          x2={index * barWidth + barWidth / 2 + padding}
+          y2={height - (1 - player.rank / maxValue) * height + (player.std / maxValue) * height}
+          stroke="#ff0000"
+          strokeWidth="1"
+        />
+      ))}
+      {std && players.map((player, index) => (
+        <line
+          key={`cap-${index}-top`}
+          x1={index * barWidth + barWidth / 2 - 2 + padding}
+          y1={height - (1 - player.rank / maxValue) * height - (player.std / maxValue) * height}
+          x2={index * barWidth + barWidth / 2 + 2 + padding}
+          y2={height - (1 - player.rank / maxValue) * height - (player.std / maxValue) * height}
+          stroke="#ff0000"
+          strokeWidth="1"
+        />
+      ))}
+      {std && players.map((player, index) => (
+        <line
+          key={`cap-${index}-bottom`}
+          x1={index * barWidth + barWidth / 2 - 2 + padding}
+          y1={height - (1 - player.rank / maxValue) * height + (player.std / maxValue) * height}
+          x2={index * barWidth + barWidth / 2 + 2 + padding}
+          y2={height - (1 - player.rank / maxValue) * height + (player.std / maxValue) * height}
+          stroke="#ff0000"
+          strokeWidth="1"
+        />
+      ))}
+    </svg>
+  );
+};
+
+export default BarChart;

src/Footer.tsx

@@ -1,21 +1,33 @@
+import { useLocation } from "react-router";
 import { Link } from "react-router";
 
 export default function Footer() {
-        return <footer>
-                <div className="navbar">
-                        <Link to="/" ><span>Form</span></Link>
-                        <span>|</span>
-                        <Link to="/network" ><span>Trainer Analysis</span></Link>
-                </div>
-                <p className="grey extra-margin">
-                        something not working?
-                        <br />
-                        message <a href="https://t.me/x0124816">me</a>.
-                        <br />
-                        or fix it here:{" "}
-                        <a href="https://git.0124816.xyz/julius/cutt" key="gitea">
-                                <img src="gitea.svg" alt="gitea" height="16" />
-                        </a>
-                </p>
-        </footer>
+  const location = useLocation();
+  return (
+    <footer className={location.pathname === "/network" ? "fixed-footer" : ""}>
+      <div className="navbar">
+        <Link to="/">
+          <span>Form</span>
+        </Link>
+        <span>|</span>
+        <Link to="/network">
+          <span>Trainer Analysis</span>
+        </Link>
+        <span>|</span>
+        <Link to="/mvp">
+          <span>MVP</span>
+        </Link>
+      </div>
+      <p className="grey extra-margin">
+        something not working?
+        <br />
+        message <a href="https://t.me/x0124816">me</a>.
+        <br />
+        or fix it here:{" "}
+        <a href="https://git.0124816.xyz/julius/cutt" key="gitea">
+          <img src="gitea.svg" alt="gitea" height="16" />
+        </a>
+      </p>
+    </footer>
+  );
 }

src/Header.tsx

@@ -1,11 +1,18 @@
-import { baseUrl } from "./api";
+import { Link, useLocation } from "react-router";
+import Avatar from "./Avatar";
 
 export default function Header() {
-  return <div className="logo">
-    <a href={"/"}>
-      <img alt="logo" height="66%" src="logo.svg" />
-      <h3 className="centered">cutt</h3>
-    </a>
-    <span className="grey">cool ultimate team tool</span>
-  </div>
+  const location = useLocation();
+  return (
+    <div className={location.pathname === "/network" ? "networkroute" : ""}>
+      <div className="logo">
+        <Link to="/">
+          <img alt="logo" height="66%" src="logo.svg" />
+          <h3 className="centered">cutt</h3>
+        </Link>
+        <span className="grey">cool ultimate team tool</span>
+      </div>
+      <Avatar />
+    </div>
+  );
 }

src/Login.tsx

@@ -1,6 +1,6 @@
-import { FormEvent, useContext, useState } from "react";
-import { useNavigate } from "react-router";
-import { currentUser, login, LoginRequest, User } from "./api";
+import { useState } from "react";
+import { currentUser, login, User } from "./api";
+import Header from "./Header";
 
 export interface LoginProps {
   onLogin: (user: User) => void;
@@ -15,72 +15,58 @@ export const Login = ({ onLogin }: LoginProps) => {
   async function doLogin() {
     setLoading(true);
     setError(null);
-    const timeout = new Promise((r) => setTimeout(r, 1500));
+    const timeout = new Promise((r) => setTimeout(r, 1000));
     let user: User;
     try {
-      login({ username, password });
+      await login({ username, password });
       user = await currentUser();
     } catch (e) {
       await timeout;
       setError(e);
       setLoading(false);
-      return
+      return;
     }
-
     await timeout;
     onLogin(user);
   }
 
-  function handleClick() {
-    doLogin();
-  }
-
   function handleSubmit(e: React.FormEvent) {
     e.preventDefault();
     doLogin();
   }
 
   return (
-    <form onSubmit={handleSubmit}>
-      <div>
-        <input type="text" id="username" name="username" placeholder="username" required value={username} onChange={evt => setUsername(evt.target.value)} />
-      </div>
-      <div>
-        <input type="password" id="password" name="password" placeholder="password" minLength={8} value={password} required onChange={evt => setPassword(evt.target.value)} />
-      </div>
-      <button type="submit" value="login" style={{ fontSize: "small" }} onClick={handleClick} >login</button>
-      {loading && <span className="loader" />}
-    </form>
-  )
-}
-
-/*
-export default function Login(props: { onLogin: (user: User) => void }) {
-  const { onLogin } = props;
-  const [username, setUsername] = useState("");
-  const [password, setPassword] = useState("");
-
-  async function handleLogin(e: FormEvent) {
-    e.preventDefault()
-    const timeout = new Promise((r) => setTimeout(r, 1500));
-    let user: User;
-    try {
-      login({ username, password })
-      user = await currentUser()
-    } catch (e) { await timeout; return }
-    await timeout;
-    onLogin(user);
-  }
-
-  return <div>
-    <form onSubmit={handleLogin}>
-      <div>
-        <input type="text" id="username" name="username" placeholder="username" required value={username} onChange={evt => setUsername(evt.target.value)} />
-      </div>
-      <div>
-        <input type="password" id="password" name="password" placeholder="password" minLength={8} value={password} required onChange={evt => setPassword(evt.target.value)} />
-      </div>
-      <input className="button" type="submit" value="login" onSubmit={handleLogin} />
-    </form>
-  </div>
-} */
+    <>
+      <Header />
+      <form onSubmit={handleSubmit}>
+        <div>
+          <input
+            type="text"
+            id="username"
+            name="username"
+            placeholder="username"
+            required
+            value={username}
+            onChange={(evt) => setUsername(evt.target.value)}
+          />
+        </div>
+        <div>
+          <input
+            type="password"
+            id="password"
+            name="password"
+            placeholder="password"
+            minLength={8}
+            value={password}
+            required
+            onChange={(evt) => setPassword(evt.target.value)}
+          />
+        </div>
+        <button type="submit" value="login" style={{ fontSize: "small" }}>
+          login
+        </button>
+        {loading && <span className="loader" />}
+      </form>
+    </>
+  );
+};

src/MVPChart.tsx

@@ -0,0 +1,29 @@
+import { useEffect, useState } from "react";
+import { apiAuth } from "./api";
+import BarChart from "./BarChart";
+import { PlayerRanking } from "./types";
+import RaceChart from "./RaceChart";
+
+
+const MVPChart = () => {
+  const [data, setData] = useState({} as PlayerRanking[]);
+  const [loading, setLoading] = useState(true);
+  const [showStd, setShowStd] = useState(false);
+
+  async function loadData() {
+    setLoading(true);
+    await apiAuth("analysis/mvp", null)
+      .then(json => json as Promise<PlayerRanking[]>).then(json => { setData(json.sort((a, b) => a.rank - b.rank)) })
+    setLoading(false);
+  }
+
+  useEffect(() => { loadData() }, [])
+
+  return (
+    <>
+      {loading ? <span className="loader" /> : <RaceChart std={showStd} players={data} />
+      }
+    </>)
+}
+
+export default MVPChart;

src/Network.tsx

@@ -1,46 +1,276 @@
 import { useEffect, useRef, useState } from "react";
 import { apiAuth } from "./api";
-import { GraphCanvas, GraphCanvasRef, GraphEdge, GraphNode, useSelection } from "reagraph";
+import {
+  GraphCanvas,
+  GraphCanvasRef,
+  GraphEdge,
+  GraphNode,
+  SelectionProps,
+  SelectionResult,
+  useSelection,
+} from "reagraph";
+import { customTheme } from "./NetworkTheme";
 
 interface NetworkData {
-  nodes: GraphNode[],
-  edges: GraphEdge[],
+  nodes: GraphNode[];
+  edges: GraphEdge[];
 }
+interface CustomSelectionProps extends SelectionProps {
+  ignore: (GraphEdge | undefined)[];
+}
+
+const useCustomSelection = (props: CustomSelectionProps): SelectionResult => {
+  var result = useSelection(props);
+  result.actives = result.actives.filter(
+    (s) => !props.ignore.map((edge) => edge?.id).includes(s)
+  );
+  const ignored_nodes = props.ignore.map((edge) =>
+    edge &&
+    result.selections?.includes(edge.source) &&
+    !result.selections?.includes(edge.target)
+      ? edge.target
+      : ""
+  );
+  result.actives = result.actives.filter((s) => !ignored_nodes.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 [mutuality, setMutuality] = useState(false);
 
   async function loadData() {
     setLoading(true);
     await apiAuth("analysis/graph_json", null)
-      .then(json => json as Promise<NetworkData>).then(json => { setData(json) })
+      .then((json) => json as Promise<NetworkData>)
+      .then((json) => {
+        setData(json);
+      });
     setLoading(false);
   }
 
-  useEffect(() => { loadData() }, [])
+  useEffect(() => {
+    loadData();
+  }, []);
 
   const graphRef = useRef<GraphCanvasRef | null>(null);
 
-  const { selections, actives, onNodeClick, onCanvasClick } = useSelection({
+  function handleThreed() {
+    setThreed(!threed);
+    graphRef.current?.fitNodesInView();
+    graphRef.current?.centerGraph();
+    graphRef.current?.resetControls();
+  }
+
+  function handlePopularity() {
+    setPopularity(!popularity);
+  }
+
+  function handleMutuality() {
+    colorMatches(!mutuality);
+    setMutuality(!mutuality);
+  }
+
+  function showLabel() {
+    switch (likes) {
+      case 0:
+        return "dislike";
+      case 1:
+        return "both";
+      case 2:
+        return "like";
+    }
+  }
+
+  function findMatches(edges: GraphEdge[]) {
+    const adjacencyList = edges.map(
+      (edge) => edge.source + edge.target + edge.data.relation
+    );
+    return edges.filter((edge) =>
+      adjacencyList.includes(edge.target + edge.source + edge.data.relation)
+    );
+  }
+  //const matches = useMemo(() => findMatches(data.edges), [])
+
+  function colorMatches(mutuality: boolean) {
+    const matches = findMatches(data.edges);
+    const newEdges = data.edges;
+    if (mutuality) {
+      newEdges.forEach((edge) => {
+        if (
+          (likes === 1 || edge.data.relation === likes) &&
+          matches.map((edge) => edge.id).includes(edge.id)
+        ) {
+          edge.fill = "#9c3";
+          if (edge.size) edge.size = edge.size * 1.5;
+        }
+      });
+    } else {
+      newEdges.forEach((edge) => {
+        if (
+          (likes === 1 || edge.data.relation === likes) &&
+          matches.map((edge) => edge.id).includes(edge.id)
+        ) {
+          edge.fill = edge.data.origFill;
+          edge.size = edge.data.origSize;
+        }
+      });
+    }
+    setData({ nodes: data.nodes, edges: newEdges });
+  }
+  useEffect(() => {
+    if (mutuality) colorMatches(false);
+    colorMatches(mutuality);
+  }, [likes]);
+
+  const {
+    selections,
+    actives,
+    onNodeClick,
+    onCanvasClick,
+    onNodePointerOver,
+    onNodePointerOut,
+  } = useCustomSelection({
     ref: graphRef,
     nodes: data.nodes,
-    edges: data.edges,
-    pathSelectionType: 'out'
+    edges: data.edges.filter((edge) => edge.data.relation === likes),
+    ignore: data.edges.map((edge) => {
+      if (likes === 1 && edge.data.relation !== 2) return edge;
+    }),
+    pathSelectionType: "out",
+    pathHoverType: "in",
+    type: "multiModifier",
   });
 
   return (
-    <GraphCanvas
-      draggable
-      ref={graphRef}
-      nodes={data.nodes}
-      edges={data.edges}
-      selections={selections}
-      actives={actives}
-      onCanvasClick={onCanvasClick}
-      onNodeClick={onNodeClick}
-    />
+    <div style={{ position: "absolute", top: 0, bottom: 0, left: 0, right: 0 }}>
+      <div className="controls">
+        <div className="control" onClick={handleMutuality}>
+          <div className="switch">
+            <input type="checkbox" checked={mutuality} />
+            <span className="slider round"></span>
+          </div>
+          <span>mutuality</span>
+        </div>
+
+        <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}
+          onNodePointerOut={onNodePointerOut}
+          onNodePointerOver={onNodePointerOver}
+        />
+      )}
+      <button
+        className="infobutton"
+        onClick={() => {
+          const dialog = document.querySelector("dialog[id='InfoDialog']");
+          (dialog as HTMLDialogElement).showModal();
+        }}
+      >
+        info
+      </button>
+
+      <dialog
+        id="InfoDialog"
+        style={{ textAlign: "left" }}
+        onClick={(event) => {
+          event.currentTarget.close();
+        }}
+      >
+        scroll to zoom
+        <br />
+        <br />
+        <b>hover</b>: show inbound links
+        <br />
+        <b>click</b>: show outward links
+        <br />
+        <br />
+        multi-selection possible
+        <br />
+        with <i>Ctrl</i> or <i>Shift</i>
+        <br />
+        <br />
+        drag to pan/rotate
+      </dialog>
+    </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/RaceChart.tsx

@@ -0,0 +1,99 @@
+import { FC, useEffect, useState } from "react";
+import { PlayerRanking } from "./types";
+import { useSession } from "./Session";
+
+interface RaceChartProps {
+  players: PlayerRanking[];
+  std: boolean;
+}
+
+const determineNiceWidth = (width: number) => {
+  const max = 1080;
+  if (width >= max) return max;
+  else if (width > 768) return width * 0.8;
+  else return width * 0.96;
+};
+
+const RaceChart: FC<RaceChartProps> = ({ players, std }) => {
+  // State to store window's width and height
+  const [width, setWidth] = useState(determineNiceWidth(window.innerWidth));
+  //const [height, setHeight] = useState(window.innerHeight);
+  const height = players.length * 40;
+
+  // Update state on  resize
+  useEffect(() => {
+    const handleResize = () => {
+      setWidth(determineNiceWidth(window.innerWidth));
+      //setHeight(window.innerHeight);
+    };
+    window.addEventListener("resize", handleResize);
+    return () => {
+      window.removeEventListener("resize", handleResize);
+    };
+  }, []);
+  const padding = 24;
+  const gap = 8;
+  const maxValue = Math.max(...players.map((player) => player.rank)) + 1;
+  const barHeight = (height - 2 * padding) / players.length;
+  const fontSize = Math.min(barHeight - 1.5 * gap, width / 22);
+
+  return (
+    <svg width={width} height={height} id="RaceChartSVG">
+      {players.map((player, index) => (
+        <rect
+          key={String(index)}
+          x={0}
+          y={index * barHeight + padding}
+          width={(1 - player.rank / maxValue) * width}
+          height={barHeight - gap} // subtract 2 for some spacing between bars
+          fill="#36c"
+        />
+      ))}
+
+      {players.map((player, index) => (
+        <g key={"group" + index}>
+          <text
+            key={index + "_name"}
+            x={4}
+            y={index * barHeight + barHeight / 2 + padding + gap / 2}
+            width={(1 - player.rank / maxValue) * width}
+            height={barHeight - 8} // subtract 2 for some spacing between bars
+            fontSize={fontSize}
+            fill="aliceblue"
+            stroke="#36c"
+            strokeWidth={4}
+            fontWeight={"bold"}
+            paintOrder={"stroke fill"}
+            fontFamily="monospace"
+            style={{ whiteSpace: "pre" }}
+          >
+            {`${String(index + 1).padStart(2)}. ${player.name}`}
+          </text>
+          <text
+            key={index + "_value"}
+            x={
+              4 +
+              (4 + Math.max(...players.map((p, _) => p.name.length))) *
+                fontSize *
+                0.66
+            }
+            y={index * barHeight + barHeight / 2 + padding + gap / 2}
+            width={(1 - player.rank / maxValue) * width}
+            height={barHeight - 8} // subtract 2 for some spacing between bars
+            fontSize={0.8 * fontSize}
+            fill="aliceblue"
+            stroke="#36c"
+            fontWeight={"bold"}
+            fontFamily="monospace"
+            strokeWidth={4}
+            paintOrder={"stroke fill"}
+            style={{ whiteSpace: "pre" }}
+          >
+            {`${String(player.rank).padStart(5)} ± ${player.std}   N = ${player.n}`}
+          </text>
+        </g>
+      ))}
+    </svg>
+  );
+};
+export default RaceChart;

src/Session.tsx

@@ -1,36 +1,94 @@
-import { createContext, ReactNode, useContext, useLayoutEffect, useState } from "react";
-import { currentUser, User } from "./api";
+import {
+  createContext,
+  ReactNode,
+  useContext,
+  useEffect,
+  useState,
+} from "react";
+import { currentUser, logout, User } from "./api";
 import { Login } from "./Login";
+import Header from "./Header";
 
 export interface SessionProviderProps {
   children: ReactNode;
 }
 
-const sessionContext = createContext<User | null>(null);
+export interface Session {
+  user: User | null;
+  onLogout: () => void;
+}
+
+const sessionContext = createContext<Session>({
+  user: null,
+  onLogout: () => {},
+});
 
 export function SessionProvider(props: SessionProviderProps) {
   const { children } = props;
 
   const [user, setUser] = useState<User | null>(null);
   const [err, setErr] = useState<unknown>(null);
+  const [loading, setLoading] = useState(false);
 
   function loadUser() {
+    setLoading(true);
     currentUser()
-      .then((user) => { setUser(user); setErr(null); })
-      .catch((err) => { setUser(null); setErr(err); });
+      .then((user) => {
+        setUser(user);
+        setErr(null);
+      })
+      .catch((err) => {
+        setUser(null);
+        setErr(err);
+      })
+      .finally(() => setLoading(false));
   }
 
-  useLayoutEffect(() => { loadUser(); }, [err]);
+  useEffect(() => {
+    loadUser();
+  }, []);
 
   function onLogin(user: User) {
     setUser(user);
     setErr(null);
   }
 
+  async function onLogout() {
+    try {
+      logout();
+      setUser(null);
+      setErr({ message: "Logged out successfully" });
+      console.log("logged out.");
+      setLoading(true); // Set loading to true
+      loadUser();
+    } catch (e) {
+      console.error(e);
+      setErr(e); // Update the error state if logout fails
+    }
+  }
+  console.log("sanity", user);
+
   let content: ReactNode;
-  if (!err && !user) content = <span className="loader" />;
-  else if (err) content = <Login onLogin={onLogin} />;
-  else content = <sessionContext.Provider value={user}>{children}</sessionContext.Provider>;
+  if (loading || (!err && !user))
+    content = (
+      <>
+        <Header />
+        <span className="loader" />
+      </>
+    );
+  else if (err) {
+    if ((err as any).message === "Logged out successfully") {
+      setTimeout(() => setErr(null), 1000);
+      content = <Login onLogin={onLogin} />;
+    } else {
+      content = <Login onLogin={onLogin} />;
+    }
+  } else
+    content = (
+      <sessionContext.Provider value={{ user, onLogout }}>
+        {children}
+      </sessionContext.Provider>
+    );
 
   return content;
 }

src/api.ts

@@ -18,46 +18,18 @@ export default async function api(path: string, data: any): Promise<any> {
   return response;
 }
 
-export async function apiAuth(path: string, data: any, method: string = "GET"): Promise<any> {
-
-  const req = new Request(`${baseUrl}api/${path}`,
-    {
-      method: method,
-      headers: {
-        "Authorization": `Bearer ${token()} `,
-        'Content-Type': 'application/json'
-      },
-      ...(data && { body: JSON.stringify(data) })
-    }
-  );
-  let resp: Response;
-  try {
-    resp = await fetch(req);
-  } catch (e) {
-    throw new Error(`request failed: ${e}`);
-  }
-
-  if (!resp.ok) {
-    if (resp.status === 401) {
-      logout()
-      throw new Error('Unauthorized');
-    }
-  }
-  return resp.json()
-}
-
-export type User = {
-  username: string;
-  fullName: string;
-}
-
-export async function currentUser(): Promise<User> {
-  if (!token()) throw new Error("you have no access token")
-  const req = new Request(`${baseUrl}api/users/me/`, {
-    method: "GET", headers: {
-      "Authorization": `Bearer ${token()} `,
-      'Content-Type': 'application/json'
-    }
+export async function apiAuth(
+  path: string,
+  data: any,
+  method: string = "GET"
+): Promise<any> {
+  const req = new Request(`${baseUrl}api/${path}`, {
+    method: method,
+    headers: {
+      Authorization: `Bearer ${token()} `,
+      "Content-Type": "application/json",
+    },
+    ...(data && { body: JSON.stringify(data) }),
   });
   let resp: Response;
   try {
@@ -68,8 +40,40 @@ export async function currentUser(): Promise<User> {
 
   if (!resp.ok) {
     if (resp.status === 401) {
-      logout()
-      throw new Error('Unauthorized');
+      logout();
+      throw new Error("Unauthorized");
+    }
+  }
+  return resp.json();
+}
+
+export type User = {
+  username: string;
+  full_name: string;
+  email: string;
+  player_id: number;
+};
+
+export async function currentUser(): Promise<User> {
+  if (!token()) throw new Error("you have no access token");
+  const req = new Request(`${baseUrl}api/users/me/`, {
+    method: "GET",
+    headers: {
+      Authorization: `Bearer ${token()} `,
+      "Content-Type": "application/json",
+    },
+  });
+  let resp: Response;
+  try {
+    resp = await fetch(req);
+  } catch (e) {
+    throw new Error(`request failed: ${e}`);
+  }
+
+  if (!resp.ok) {
+    if (resp.status === 401) {
+      logout();
+      throw new Error("Unauthorized");
     }
   }
   return resp.json() as Promise<User>;
@@ -84,13 +88,29 @@ export type Token = {
   token_type: string;
 };
 
-export const login = (req: LoginRequest) => {
-  fetch(`${baseUrl}api/token`, {
-    method: "POST", headers: {
-      'Content-Type': 'application/x-www-form-urlencoded',
-    }, body: new URLSearchParams(req).toString()
-  }).then(resp => resp.json() as Promise<Token>).then(token => token ? localStorage.setItem("access_token", token.access_token) : console.log("token not acquired")).catch((e) => console.log("catch error " + e + " in login"));
-  return Promise<void>
-}
+// api.js
+export const login = async (req: LoginRequest): Promise<void> => {
+  try {
+    const response = await fetch(`${baseUrl}api/token`, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/x-www-form-urlencoded",
+      },
+      body: new URLSearchParams(req).toString(),
+    });
+    if (!response.ok) {
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
+    const token = (await response.json()) as Token;
+    if (token && token.access_token) {
+      localStorage.setItem("access_token", token.access_token);
+    } else {
+      console.log("Token not acquired");
+    }
+  } catch (e) {
+    console.error(e);
+    throw e; // rethrow the error so it can be caught by the caller
+  }
+};
 
 export const logout = () => localStorage.removeItem("access_token");

src/types.ts

@@ -0,0 +1,20 @@
+export interface Edge {
+  from: string;
+  to: string;
+  color: string;
+  relation: "likes" | "dislikes";
+}
+export interface Node {
+  id: string;
+}
+export default interface NetworkData {
+  nodes: Node[];
+  edges: Edge[];
+}
+
+export interface PlayerRanking {
+  name: string;
+  rank: number;
+  std: number;
+  n: number;
+}