homelab/apps/finance/services/api/main/templates/portfolio.html

{{define "content"}}
{{$d := .}}
<h1 style="margin-bottom:24px;">Portfolio</h1>

{{if $d.Holdings}}

<div class="grid">
  <div class="card value-card animate-on-scroll">
    <h2>Total Value</h2>
    <div class="value {{if ge $d.TotalPCLCents 0}}positive{{else}}negative{{end}} animate-counter"
         data-target="{{$d.TotalValueCents}}" data-prefix="€">€0.00</div>
  </div>
  <div class="card value-card animate-on-scroll">
    <h2>Total Cost</h2>
    <div class="value animate-counter" data-target="{{$d.TotalCostCents}}" data-prefix="€"
         style="color:var(--text);">€0.00</div>
  </div>
  <div class="card value-card animate-on-scroll">
    <h2>Unrealized P&amp;L</h2>
    <div class="value {{if ge $d.TotalPCLCents 0}}positive{{else}}negative{{end}} animate-counter"
         data-target="{{$d.TotalPCLCents}}" data-prefix="€">€0.00</div>
    <p style="font-size:13px; margin-top:6px; color:{{if eq (pctSign $d.TotalPCLPct) "+"}}var(--green){{else}}var(--red){{end}};">
      {{pctSign $d.TotalPCLPct}}{{printf "%.2f" $d.TotalPCLPct}}%
    </p>
  </div>
</div>

<div class="grid-2" style="align-items:start;">
  <!-- Allocation donut -->
  <div class="card animate-on-scroll">
    <h2 style="margin-bottom:16px;">Allocation</h2>
    <div id="allocation3d" style="width:100%; height:380px; position:relative;"></div>
  </div>

  <!-- Holdings table -->
  <div class="card animate-on-scroll">
    <h2 style="margin-bottom:14px;">Holdings</h2>
    <div class="table-wrap">
      <table>
        <thead>
          <tr>
            <th>Asset</th>
            <th class="text-right">Shares</th>
            <th class="text-right">Avg Cost</th>
            <th class="text-right">Price</th>
            <th class="text-right">Value</th>
            <th class="text-right">P&amp;L</th>
          </tr>
        </thead>
        <tbody>
          {{range $i, $h := $d.Holdings}}
          <tr>
            <td>
              <div style="font-weight:600; font-size:13.5px;">{{.Name}}</div>
              <div class="text-muted" style="font-size:11.5px; margin-top:1px;">{{.ISIN}}</div>
            </td>
            <td class="cents" style="font-size:13px; color:var(--text2);">{{printf "%.4f" .SharesOwned}}</td>
            <td class="cents" style="font-size:13px;">€{{cents .AvgEntryCents}}</td>
            <td class="cents" style="font-size:13px;">€{{cents .CurrentPriceCents}}</td>
            <td class="cents" style="font-weight:600;">€{{cents .CurrentValueCents}}</td>
            <td class="cents">
              <div class="{{if ge .UnrealizedPCLCents 0}}positive{{else}}negative{{end}}" style="font-weight:600; font-size:13px;">
                {{pctSign .UnrealizedPCLPct}}{{printf "%.2f" .UnrealizedPCLPct}}%
              </div>
              <div class="{{if ge .UnrealizedPCLCents 0}}positive{{else}}negative{{end}}" style="font-size:11.5px; opacity:0.8;">
                {{if ge .UnrealizedPCLCents 0}}+{{else}}−{{end}}€{{cents (centsAbs .UnrealizedPCLCents)}}
              </div>
            </td>

          </tr>
          {{end}}
        </tbody>
      </table>
    </div>

    <div style="margin-top:16px; padding-top:14px; border-top:1px solid var(--border); display:flex; justify-content:space-between; align-items:center;">
      <span class="text-muted">Add trades via</span>
      <a href="/import" class="btn btn-outline btn-sm">Import CSV</a>
    </div>
  </div>
</div>

<script type="importmap">
{
  "imports": {
    "three": "https://cdn.jsdelivr.net/npm/three@0.170/build/three.module.js",
    "three/addons/": "https://cdn.jsdelivr.net/npm/three@0.170/examples/jsm/"
  }
}
</script>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';

const palette = [
  '#6979f8','#f87171','#fbbf24','#34d399','#a78bfa',
  '#f472b6','#38bdf8','#fb923c','#4ade80','#e879f9',
];

const holdings = [
  {{range $d.Holdings}}{ name: "{{.Name}}", value: {{.CurrentValueCents}} },{{end}}
].filter(h => h.value > 0);

const total = holdings.reduce((s, h) => s + h.value, 0);

if (total > 0) {

const container = document.getElementById('allocation3d');
const W = container.clientWidth, H = 380;

const scene    = new THREE.Scene();
const camera   = new THREE.PerspectiveCamera(42, W / H, 0.1, 100);
camera.position.set(0, 5, 9);
camera.lookAt(0, 0, 0);

const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true });
renderer.setSize(W, H);
renderer.setPixelRatio(Math.min(devicePixelRatio, 2));
renderer.shadowMap.enabled = true;
container.appendChild(renderer.domElement);

const controls = new OrbitControls(camera, renderer.domElement);
controls.enableDamping   = true;
controls.dampingFactor   = 0.07;
controls.autoRotate      = true;
controls.autoRotateSpeed = 1.2;
controls.minDistance     = 5;
controls.maxDistance     = 16;

// tooltip
const tip = Object.assign(document.createElement('div'), {
  style: 'position:absolute;background:rgba(15,17,23,0.92);color:#e8eaf6;padding:7px 13px;border-radius:8px;font-size:13px;pointer-events:none;opacity:0;transition:opacity .15s;z-index:10;border:1px solid rgba(255,255,255,0.08);backdrop-filter:blur(8px);'
});
container.appendChild(tip);

const group = new THREE.Group();
const IR = 1.3, OR = 3.0, D = 0.55;
let angle = 0, hovered = null;

const raycaster = new THREE.Raycaster();
const pointer   = new THREE.Vector2();
const meshes    = [];

holdings.forEach((h, i) => {
  const arc   = (h.value / total) * Math.PI * 2;
  const color = palette[i % palette.length];
  const mid   = angle + arc / 2;

  const shape = new THREE.Shape();
  shape.moveTo(IR, 0);
  shape.absarc(0, 0, OR, angle, angle + arc, false);
  shape.absarc(0, 0, IR, angle + arc, angle, true);
  shape.closePath();

  const geo = new THREE.ExtrudeGeometry(shape, {
    depth: D, bevelEnabled: true, bevelThickness: 0.07, bevelSize: 0.04, bevelSegments: 6,
  });
  const mat = new THREE.MeshPhysicalMaterial({
    color, metalness: 0.15, roughness: 0.35, clearcoat: 0.15, side: THREE.DoubleSide,
  });
  const mesh = new THREE.Mesh(geo, mat);
  mesh.rotation.x = -Math.PI / 2;
  mesh.position.y = -D / 2;
  mesh.userData = { holding: h, baseY: -D / 2, color, pct: (h.value / total * 100).toFixed(1) };
  mesh.castShadow = true;
  group.add(mesh);
  meshes.push(mesh);

  angle += arc;
});
scene.add(group);

scene.add(Object.assign(new THREE.AmbientLight(0xffffff, 0.55)));
const dir = new THREE.DirectionalLight(0xffffff, 1.1);
dir.position.set(5, 10, 7); dir.castShadow = true; scene.add(dir);
const fill = new THREE.DirectionalLight(0x8b9ffc, 0.4);
fill.position.set(-5, 2, -5); scene.add(fill);

renderer.domElement.addEventListener('pointermove', e => {
  const rect = renderer.domElement.getBoundingClientRect();
  pointer.x =  ((e.clientX - rect.left) / rect.width)  * 2 - 1;
  pointer.y = -((e.clientY - rect.top)  / rect.height) * 2 + 1;
  raycaster.setFromCamera(pointer, camera);
  const hits = raycaster.intersectObjects(meshes);
  if (hits.length && hits[0].object.userData.holding) {
    const m = hits[0].object;
    const h = m.userData.holding;
    tip.textContent = `${h.name}: €${(h.value/100).toLocaleString('pt-PT',{minimumFractionDigits:2})} (${m.userData.pct}%)`;
    tip.style.opacity = '1';
    tip.style.left = (e.clientX - rect.left + 14) + 'px';
    tip.style.top  = (e.clientY - rect.top  - 10) + 'px';
    if (hovered !== m) {
      if (hovered) { hovered.position.y = hovered.userData.baseY; }
      m.position.y = m.userData.baseY + 0.25;
      hovered = m;
    }
  } else {
    tip.style.opacity = '0';
    if (hovered) { hovered.position.y = hovered.userData.baseY; hovered = null; }
  }
});

(function animate() {
  requestAnimationFrame(animate);
  controls.update();
  renderer.render(scene, camera);
})();

window.addEventListener('resize', () => {
  const w2 = container.clientWidth;
  camera.aspect = w2 / H;
  camera.updateProjectionMatrix();
  renderer.setSize(w2, H);
});

} // end if (total > 0)
</script>

{{else}}
<div class="card empty-state animate-on-scroll">
  <div style="font-size:48px; margin-bottom:16px;">📈</div>
  <h3>No trades yet</h3>
  <p style="margin-bottom:20px;">Import your Trade Republic securities CSV to see your portfolio.</p>
  <a href="/import" class="btn btn-primary">Import Trades</a>
</div>
{{end}}
{{end}}