Frontend example for testing tiles cutter and gnss scan

frontend/src/App.css

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+:root {
+  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
+  background: #050816;
+  color: #e8ecf4;
+}
+
+* {
+  box-sizing: border-box;
+}
+
+body, #root {
+  margin: 0;
+  min-height: 100vh;
+}
+
+.layout {
+  min-height: 100vh;
+  background: radial-gradient(circle at 20% 20%, rgba(126, 221, 252, 0.08), transparent 25%),
+    radial-gradient(circle at 80% 0%, rgba(255, 135, 252, 0.08), transparent 22%),
+    #050816;
+  color: #f4f7fb;
+  display: flex;
+  flex-direction: column;
+}
+
+.topbar {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 18px 22px;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
+  backdrop-filter: blur(10px);
+  background: rgba(255, 255, 255, 0.04);
+}
+
+.brand {
+  display: flex;
+  gap: 12px;
+  align-items: center;
+}
+
+.pulse {
+  width: 12px;
+  height: 12px;
+  border-radius: 50%;
+  background: #f59e0b;
+  box-shadow: 0 0 0 8px rgba(245, 158, 11, 0.2);
+  animation: pulse 2.4s infinite;
+}
+
+.pulse.ok {
+  background: #34d399;
+  box-shadow: 0 0 0 8px rgba(52, 211, 153, 0.18);
+}
+
+@keyframes pulse {
+  0% {
+    transform: scale(1);
+  }
+  50% {
+    transform: scale(1.2);
+  }
+  100% {
+    transform: scale(1);
+  }
+}
+
+.title {
+  font-weight: 700;
+  letter-spacing: 0.4px;
+}
+
+.subtitle {
+  color: #94a3b8;
+  font-size: 13px;
+}
+
+.pill {
+  display: inline-flex;
+  gap: 6px;
+  align-items: center;
+  padding: 8px 12px;
+  border-radius: 999px;
+  background: linear-gradient(135deg, rgba(125, 211, 252, 0.18), rgba(252, 165, 255, 0.18));
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.pill-label {
+  color: #cbd5e1;
+  font-size: 13px;
+  text-transform: uppercase;
+  letter-spacing: 0.6px;
+}
+
+.pill-value {
+  font-weight: 700;
+}
+
+.content {
+  display: grid;
+  grid-template-rows: auto 1fr auto;
+  gap: 14px;
+  padding: 14px 18px 18px;
+  flex: 1;
+}
+
+.panel {
+  background: rgba(255, 255, 255, 0.03);
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  border-radius: 14px;
+  padding: 14px;
+  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
+}
+
+.info-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  gap: 12px;
+}
+
+.card {
+  padding: 12px;
+  border-radius: 12px;
+  background: rgba(255, 255, 255, 0.04);
+  border: 1px solid rgba(255, 255, 255, 0.06);
+}
+
+.card-label {
+  color: #94a3b8;
+  font-size: 13px;
+  margin-bottom: 4px;
+}
+
+.card-value {
+  font-size: 20px;
+  font-weight: 700;
+}
+
+.map-panel {
+  padding: 0;
+}
+
+.map {
+  height: 70vh;
+  border-radius: 12px;
+  overflow: hidden;
+}
+
+.empty {
+  padding: 24px;
+  text-align: center;
+  color: #94a3b8;
+}
+
+.leaflet-control-container {
+  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.25));
+}
+
+.slice-panel {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.panel-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.panel-title {
+  font-weight: 700;
+  font-size: 18px;
+}
+
+.panel-subtitle {
+  color: #94a3b8;
+  font-size: 13px;
+}
+
+.badge {
+  padding: 6px 10px;
+  border-radius: 999px;
+  background: rgba(255, 255, 255, 0.08);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  text-transform: uppercase;
+  font-size: 12px;
+  letter-spacing: 0.6px;
+}
+
+.badge.ok {
+  background: rgba(52, 211, 153, 0.18);
+  border-color: rgba(52, 211, 153, 0.3);
+}
+
+.badge.warn {
+  background: rgba(255, 159, 67, 0.18);
+  border-color: rgba(255, 159, 67, 0.3);
+}
+
+.slice-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+  gap: 12px;
+}
+
+.field {
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+}
+
+.field span {
+  color: #94a3b8;
+  font-size: 13px;
+}
+
+.field input,
+.field select {
+  padding: 10px 12px;
+  border-radius: 10px;
+  border: 1px solid rgba(255, 255, 255, 0.08);
+  background: rgba(255, 255, 255, 0.05);
+  color: #f4f7fb;
+}
+
+.file-row {
+  display: flex;
+  gap: 8px;
+}
+
+.file-row input {
+  flex: 1;
+}
+
+.muted {
+  color: #94a3b8;
+  font-size: 12px;
+}
+
+.actions {
+  display: flex;
+  gap: 10px;
+  align-items: flex-end;
+}
+
+.btn {
+  padding: 10px 14px;
+  border-radius: 10px;
+  border: 1px solid transparent;
+  cursor: pointer;
+  font-weight: 700;
+  transition: transform 0.12s ease, border 0.12s ease, box-shadow 0.12s ease;
+}
+
+.btn.primary {
+  background: linear-gradient(135deg, #38bdf8, #8b5cf6);
+  color: #0b1020;
+  box-shadow: 0 10px 30px -12px rgba(56, 189, 248, 0.8);
+}
+
+.btn.ghost {
+  background: rgba(255, 255, 255, 0.05);
+  color: #e8ecf4;
+  border-color: rgba(255, 255, 255, 0.08);
+}
+
+.btn:hover {
+  transform: translateY(-1px);
+}
+
+@media (max-width: 900px) {
+  .content {
+    grid-template-rows: auto 1fr auto;
+  }
+  .map {
+    height: 60vh;
+  }
+}

frontend/src/App.tsx

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+import { useEffect, useMemo, useRef, useState } from "react";
+import { MapContainer, Marker, Polyline, TileLayer, useMap } from "react-leaflet";
+import L, { LatLngExpression } from "leaflet";
+import "./App.css";
+import "leaflet/dist/leaflet.css";
+
+type FixMessage = {
+  type: "fix";
+  lat: number;
+  lon: number;
+  alt: number | null;
+  timestamp: string;
+  source: string;
+  fresh: boolean;
+  detail?: string;
+};
+
+type StatusMessage = {
+  type: "status";
+  status: string;
+  timestamp: string;
+  detail?: string;
+};
+
+type IncomingMessage = FixMessage | StatusMessage;
+
+type AppConfig = {
+  tiles_url: string;
+  ws_url: string;
+  gnss_source: string;
+};
+
+type TrackPoint = {
+  lat: number;
+  lon: number;
+  timestamp: string;
+  fresh: boolean;
+};
+
+const defaultCenter: LatLngExpression = [55.751244, 37.618423];
+const backendBase =
+  (import.meta.env.VITE_BACKEND_URL as string | undefined) ?? "http://localhost:8000";
+
+const markerIcon = new L.Icon({
+  iconUrl: "https://unpkg.com/leaflet@1.9.4/dist/images/marker-icon.png",
+  shadowUrl: "https://unpkg.com/leaflet@1.9.4/dist/images/marker-shadow.png",
+  iconSize: [25, 41],
+  iconAnchor: [12, 41],
+});
+
+function FlyTo({ point }: { point: TrackPoint | null }) {
+  const map = useMap();
+  useEffect(() => {
+    if (point) {
+      map.flyTo([point.lat, point.lon], Math.max(map.getZoom(), 14), { duration: 0.6 });
+    }
+  }, [point, map]);
+  return null;
+}
+
+function formatTime(ts?: string) {
+  if (!ts) return "—";
+  try {
+    return new Date(ts).toLocaleTimeString();
+  } catch {
+    return ts;
+  }
+}
+
+export default function App() {
+  const [config, setConfig] = useState<AppConfig | null>(null);
+  const [status, setStatus] = useState<string>("connecting");
+  const [track, setTrack] = useState<TrackPoint[]>([]);
+  const wsRef = useRef<WebSocket | null>(null);
+  const [selectedFileName, setSelectedFileName] = useState<string>("");
+  const fileInputRef = useRef<HTMLInputElement | null>(null);
+  const [sliceParams, setSliceParams] = useState({
+    source: "",
+    destination: "",
+    min_zoom: 10,
+    max_zoom: 16,
+    tile_format: "png",
+  });
+  const [sliceStatus, setSliceStatus] = useState<string>("idle");
+
+  const uploadFileBlob = async (file: File) => {
+    setSliceStatus("uploading");
+    const form = new FormData();
+    form.append("file", file);
+    return fetch(`${backendBase}/tiles/upload`, {
+      method: "POST",
+      body: form,
+    })
+      .then((r) => (r.ok ? r.json() : r.json().then((j) => Promise.reject(j.detail || r.status))))
+      .then((res) => {
+        setSliceParams((p) => ({ ...p, source: res.path }));
+        setSelectedFileName(res.filename);
+        setSliceStatus("idle");
+        sendFrontLog(`uploaded source ${res.filename}`, "info");
+      })
+      .catch((err) => {
+        setSliceStatus("error");
+        sendFrontLog(`upload error: ${err}`, "error");
+      });
+  };
+
+  const triggerFileSelect = async () => {
+    try {
+      if ((window as any).__TAURI__) {
+        const { open } = await import("@tauri-apps/plugin-dialog");
+        const selected = await open({
+          multiple: false,
+          filters: [
+            { name: "Raster/MBTiles", extensions: ["tif", "tiff", "mbtiles", "jpg", "jpeg", "png"] },
+          ],
+        });
+        if (typeof selected === "string") {
+          setSliceParams((p) => ({ ...p, source: selected }));
+          setSelectedFileName(selected.split("/").pop() || selected);
+          return;
+        }
+      }
+      fileInputRef.current?.click();
+    } catch (err) {
+      console.error("file dialog error", err);
+    }
+  };
+
+  const sendFrontLog = (message: string, level: string = "info") => {
+    fetch(`${backendBase}/logs`, {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ message, level, source: "frontend" }),
+    }).catch((err) => console.error("log push failed", err));
+  };
+
+  useEffect(() => {
+    fetch(`${backendBase}/config`, { cache: "no-store" })
+      .then((r) => (r.ok ? r.json() : Promise.reject(new Error(`status ${r.status}`))))
+      .then(setConfig)
+      .catch((err) => {
+        console.error("Config error", err);
+        sendFrontLog(`config fetch failed: ${err}`, "error");
+        setStatus("config-error");
+      });
+  }, []);
+
+  useEffect(() => {
+    if (!config) return;
+    const base = backendBase.replace(/\/+$/, "");
+    const wsUrl = `${base}${config.ws_url}`.replace(/^http/, "ws");
+    setStatus("connecting");
+    const socket = new WebSocket(wsUrl);
+    wsRef.current = socket;
+
+    socket.onmessage = (event) => {
+      try {
+        const msg: IncomingMessage = JSON.parse(event.data);
+        if (msg.type === "fix") {
+          const fix = msg as FixMessage;
+          setTrack((prev) => {
+            const next = [...prev, { lat: fix.lat, lon: fix.lon, timestamp: fix.timestamp, fresh: fix.fresh }];
+            return next.slice(-500);
+          });
+          setStatus(fix.fresh ? "ok" : "stale");
+        } else {
+          setStatus((msg as StatusMessage).status);
+        }
+      } catch (err) {
+        console.error("WS parse error", err);
+        sendFrontLog(`ws parse error: ${err}`, "error");
+      }
+    };
+
+    socket.onclose = () => {
+      setStatus("disconnected");
+      sendFrontLog("ws disconnected", "warn");
+    };
+    socket.onerror = () => {
+      setStatus("ws-error");
+      sendFrontLog("ws error", "error");
+    };
+
+    return () => socket.close();
+  }, [config]);
+
+  const lastPoint = track.length ? track[track.length - 1] : null;
+  const positions = useMemo(
+    () => track.map((p) => [p.lat, p.lon]) as LatLngExpression[],
+    [track],
+  );
+
+  const tileUrl =
+    config && `${backendBase.replace(/\/+$/, "")}${config.tiles_url || "/tiles/{z}/{x}/{y}.png"}`;
+
+  return (
+    <div className="layout">
+      <header className="topbar">
+        <div className="brand">
+          <div className={`pulse ${status === "ok" ? "ok" : ""}`} />
+          <div>
+            <div className="title">GNSS Offline Map</div>
+            <div className="subtitle">FastAPI · WebSocket · Tauri</div>
+          </div>
+        </div>
+        <div className="pill">
+          <span className="pill-label">Status</span>
+          <span className="pill-value">{status}</span>
+        </div>
+      </header>
+
+      <main className="content">
+        <section className="panel info">
+          <div className="info-grid">
+            <div className="card">
+              <div className="card-label">GNSS source</div>
+              <div className="card-value">{config?.gnss_source ?? "—"}</div>
+            </div>
+            <div className="card">
+              <div className="card-label">Last fix</div>
+              <div className="card-value">{formatTime(lastPoint?.timestamp)}</div>
+            </div>
+            <div className="card">
+              <div className="card-label">Track points</div>
+              <div className="card-value">{track.length}</div>
+            </div>
+          </div>
+        </section>
+
+        <section className="panel map-panel">
+          {tileUrl ? (
+            <MapContainer center={defaultCenter} zoom={13} scrollWheelZoom className="map">
+              <TileLayer url={tileUrl} attribution="Local tiles" />
+              {positions.length > 0 && (
+                <>
+                  <Polyline positions={positions} pathOptions={{ color: "#7dd3fc", weight: 5, opacity: 0.9 }} />
+                  <Marker position={positions[positions.length - 1]} icon={markerIcon} />
+                </>
+              )}
+              <FlyTo point={lastPoint} />
+            </MapContainer>
+          ) : (
+            <div className="empty">Нет конфигурации тайлов</div>
+          )}
+        </section>
+
+        <section className="panel slice-panel">
+          <div className="panel-header">
+            <div>
+              <div className="panel-title">Нарезка тайлов</div>
+              <div className="panel-subtitle">Запускает gdal2tiles на бэкенде</div>
+            </div>
+            <div className={`badge ${sliceStatus === "ok" ? "ok" : sliceStatus === "idle" ? "" : "warn"}`}>
+              {sliceStatus}
+            </div>
+          </div>
+          <form
+            className="slice-grid"
+            onSubmit={(e) => {
+              e.preventDefault();
+              setSliceStatus("running");
+              fetch(`${backendBase}/tiles/slice`, {
+                method: "POST",
+                headers: { "Content-Type": "application/json" },
+                body: JSON.stringify({
+                  source: sliceParams.source,
+                  destination: sliceParams.destination || undefined,
+                  min_zoom: Number(sliceParams.min_zoom),
+                  max_zoom: Number(sliceParams.max_zoom),
+                  tile_format: sliceParams.tile_format,
+                }),
+              })
+                .then((r) => (r.ok ? r.json() : r.json().then((j) => Promise.reject(j.detail || r.status))))
+                .then((res) => {
+                  setSliceStatus("ok");
+                  sendFrontLog(`tiles sliced to ${res.tiles_dir}`, "info");
+                })
+                .catch((err) => {
+                  setSliceStatus("error");
+                  sendFrontLog(`tile slice error: ${err}`, "error");
+                });
+            }}
+          >
+            <label className="field">
+              <span>Источник (GeoTIFF/MBTiles)</span>
+              <div className="file-row">
+                <input
+                  type="text"
+                  placeholder="/path/to/input.tif"
+                  value={sliceParams.source}
+                  onChange={(e) => setSliceParams((p) => ({ ...p, source: e.target.value }))}
+                  required
+                />
+                <button type="button" className="btn ghost" onClick={triggerFileSelect}>
+                  Выбрать
+                </button>
+                <input
+                  type="file"
+                  accept=".tif,.tiff,.mbtiles,.jpg,.jpeg,.png"
+                  ref={fileInputRef}
+                  style={{ display: "none" }}
+                  onChange={async (e) => {
+                    const file = e.target.files?.[0];
+                    if (!file) return;
+                    setSelectedFileName(file.name);
+                    await uploadFileBlob(file);
+                  }}
+                />
+              </div>
+              {selectedFileName && <small className="muted">Файл: {selectedFileName}</small>}
+            </label>
+            <label className="field">
+              <span>Папка тайлов (опц.)</span>
+              <input
+                type="text"
+                placeholder="пусто → gnss/tiles"
+                value={sliceParams.destination}
+                onChange={(e) => setSliceParams((p) => ({ ...p, destination: e.target.value }))}
+              />
+            </label>
+            <label className="field">
+              <span>Min zoom</span>
+              <input
+                type="number"
+                min={0}
+                value={sliceParams.min_zoom}
+                onChange={(e) => setSliceParams((p) => ({ ...p, min_zoom: Number(e.target.value) }))}
+                required
+              />
+            </label>
+            <label className="field">
+              <span>Max zoom</span>
+              <input
+                type="number"
+                min={0}
+                value={sliceParams.max_zoom}
+                onChange={(e) => setSliceParams((p) => ({ ...p, max_zoom: Number(e.target.value) }))}
+                required
+              />
+            </label>
+            <label className="field">
+              <span>Формат</span>
+              <select
+                value={sliceParams.tile_format}
+                onChange={(e) => setSliceParams((p) => ({ ...p, tile_format: e.target.value }))}
+              >
+                <option value="png">png</option>
+                <option value="jpeg">jpeg</option>
+              </select>
+            </label>
+            <div className="field actions">
+              <button type="submit" className="btn primary">
+                Запустить
+              </button>
+              <button
+                type="button"
+                className="btn ghost"
+                onClick={() =>
+                  setSliceParams({
+                    source: "",
+                    destination: "",
+                    min_zoom: 10,
+                    max_zoom: 16,
+                    tile_format: "png",
+                  })
+                }
+              >
+                Сброс
+              </button>
+            </div>
+          </form>
+        </section>
+      </main>
+    </div>
+  );
+}

frontend/src/assets/react.svg

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frontend/src/main.tsx

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+import ReactDOM from "react-dom/client";
+import App from "./App";
+
+ReactDOM.createRoot(document.getElementById("root") as HTMLElement).render(<App />);

frontend/src/vite-env.d.ts

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+/// <reference types="vite/client" />