aprs.me/assets/js/app.js
2025-06-15 10:27:18 -05:00

342 lines
11 KiB
JavaScript

// If you want to use Phoenix channels, run `mix help phx.gen.channel`
// to get started and then uncomment the line below.
// import "./user_socket.js"
// You can include dependencies in two ways.
//
// The simplest option is to put them in assets/vendor and
// import them using relative paths:
//
// import "../vendor/some-package.js"
//
// Alternatively, you can `npm install some-package --prefix assets` and import
// them using a path starting with the package name:
//
// import "some-package"
//
// Include phoenix_html to handle method=PUT/DELETE in forms and buttons.
import "phoenix_html";
// Establish Phoenix Socket and LiveView configuration.
import { Socket } from "phoenix";
import { LiveSocket } from "phoenix_live_view";
import topbar from "../vendor/topbar";
let csrfToken = document.querySelector("meta[name='csrf-token']").getAttribute("content");
// APRS Map Hook
let Hooks = {};
Hooks.APRSMap = {
mounted() {
console.log("APRSMap hook mounted");
// Get initial center and zoom from server-provided data attributes
const initialCenter = JSON.parse(this.el.dataset.center);
const initialZoom = parseInt(this.el.dataset.zoom);
// Initialize the map with the server-provided location
const map = L.map(this.el).setView([initialCenter.lat, initialCenter.lng], initialZoom);
console.log("Map initialized:", map);
// Handle geolocation requests from server
this.handleEvent("request_geolocation", () => {
if ("geolocation" in navigator) {
navigator.geolocation.getCurrentPosition(
(position) => {
const { latitude, longitude } = position.coords;
console.log("User location:", latitude, longitude);
map.setView([latitude, longitude], 12);
// Notify server of new location
this.pushEvent("set_location", { lat: latitude, lng: longitude });
},
(error) => {
console.warn("Geolocation error:", error.message);
},
);
} else {
console.warn("Geolocation not available in this browser");
}
});
// Add OpenStreetMap tile layer
L.tileLayer("https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
attribution:
'&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors | APRS.me',
maxZoom: 19,
}).addTo(map);
// Check if MarkerCluster plugin is available
if (typeof L.markerClusterGroup === "function") {
// Create marker cluster group
this.markerClusterGroup = L.markerClusterGroup({
chunkedLoading: true,
maxClusterRadius: function (zoom) {
// Adjust cluster radius based on zoom level
// Tighter clustering when zoomed out, looser when zoomed in
if (zoom <= 5) return 120;
if (zoom <= 8) return 80;
if (zoom <= 11) return 60;
if (zoom <= 14) return 40;
return 20;
},
spiderfyOnMaxZoom: true,
showCoverageOnHover: true,
zoomToBoundsOnClick: true,
removeOutsideVisibleBounds: true,
animate: true,
animateAddingMarkers: true,
disableClusteringAtZoom: 16,
iconCreateFunction: function (cluster) {
const childCount = cluster.getChildCount();
let c = " marker-cluster-";
if (childCount < 10) {
c += "small";
} else if (childCount < 100) {
c += "medium";
} else {
c += "large";
}
return new L.DivIcon({
html: "<div><span>" + childCount + "</span></div>",
className: "marker-cluster" + c,
iconSize: new L.Point(40, 40),
});
},
});
// Add cluster group to map
map.addLayer(this.markerClusterGroup);
} else {
console.warn("Leaflet MarkerCluster plugin not loaded, falling back to regular markers");
this.markerClusterGroup = null;
}
// Store markers to avoid duplicates
this.markers = new Map();
this.packetCount = 0;
// Store map instance
this.map = map;
// Send initial bounds to server
this.sendBoundsToServer();
// Listen for new packets from the server
this.handleEvent("new_packet", (packet) => {
console.log("Received new packet:", packet);
this.addPacketMarker(packet);
});
// Listen for clear markers event
this.handleEvent("clear_markers", () => {
this.clearAllMarkers();
});
// Handle geolocation button clicks
this.handleEvent("request_geolocation", () => {
if ("geolocation" in navigator) {
navigator.geolocation.getCurrentPosition(
(position) => {
const { latitude, longitude } = position.coords;
// Send location back to server
this.pushEvent("set_location", { lat: latitude, lng: longitude });
},
(error) => {
console.warn("Geolocation error:", error.message);
},
);
} else {
console.warn("Geolocation not available in this browser");
}
});
// Update bounds when map moves or zooms
map.on("moveend", () => {
this.sendBoundsToServer();
});
// Handle map resize when window is resized
window.addEventListener("resize", () => {
map.invalidateSize();
});
},
sendBoundsToServer() {
const bounds = this.map.getBounds();
this.pushEvent("update_bounds", {
bounds: {
north: bounds.getNorth(),
south: bounds.getSouth(),
east: bounds.getEast(),
west: bounds.getWest(),
},
});
// Remove markers that are now outside the visible bounds
this.removeMarkersOutsideBounds(bounds);
},
clearAllMarkers() {
// Remove all markers from the cluster group or map
if (this.markerClusterGroup) {
this.markerClusterGroup.clearLayers();
} else {
// Fallback: remove markers directly from map
this.markers.forEach((marker) => {
this.map.removeLayer(marker);
});
}
this.markers.clear();
this.packetCount = 0;
const counterElement = document.getElementById("packet-count");
if (counterElement) {
counterElement.textContent = this.packetCount;
}
},
removeMarkersOutsideBounds(bounds) {
// With clustering, the cluster group handles visibility automatically
// We'll just track the count of markers within bounds
let visibleCount = 0;
this.markers.forEach((marker, callsign) => {
const latLng = marker.getLatLng();
if (bounds.contains(latLng)) {
visibleCount++;
}
});
// Update counter to show visible markers
const counterElement = document.getElementById("packet-count");
if (counterElement) {
counterElement.textContent = visibleCount;
}
// Notify server of the updated packet count
this.pushEvent("update_packet_count", { count: visibleCount });
},
addPacketMarker(packet) {
console.log("addPacketMarker called with:", packet);
if (
!packet["data_extended"] ||
!packet["data_extended"]["latitude"] ||
!packet["data_extended"]["longitude"]
) {
console.warn("Packet missing required location data:", packet);
return;
}
const lat = parseFloat(packet["data_extended"]["latitude"]);
const lng = parseFloat(packet["data_extended"]["longitude"]);
// Validate coordinates are within valid ranges
if (isNaN(lat) || isNaN(lng) || lat < -90 || lat > 90 || lng < -180 || lng > 180) {
console.error("Invalid coordinates:", { lat, lng, packet });
return;
}
console.log("Valid coordinates:", { lat, lng, callsign: packet["base_callsign"] });
const callsign = packet["base_callsign"] + (packet["ssid"] ? "-" + packet["ssid"] : "");
// Create popup content
const popupContent = `
<div style="min-width: 200px;">
<h4 style="margin: 0 0 5px 0; font-weight: bold;">${callsign}</h4>
<p style="margin: 2px 0; font-size: 12px;">
<strong>Position:</strong> ${lat.toFixed(4)}°, ${lng.toFixed(4)}°<br>
<strong>Type:</strong> ${packet["data_type"]}<br>
${packet["data_extended"]["comment"] ? `<strong>Comment:</strong> ${packet["data_extended"]["comment"]}<br>` : ""}
<strong>Path:</strong> ${packet["path"]}<br>
<strong>Time:</strong> ${new Date().toLocaleTimeString()}
</p>
</div>
`;
// Check if marker already exists
if (this.markers.has(callsign)) {
// Update existing marker
const existingMarker = this.markers.get(callsign);
if (this.markerClusterGroup) {
// Remove and re-add to cluster group
this.markerClusterGroup.removeLayer(existingMarker);
existingMarker.setLatLng([lat, lng]);
existingMarker.setPopupContent(popupContent);
this.markerClusterGroup.addLayer(existingMarker);
} else {
// Fallback: just update position
existingMarker.setLatLng([lat, lng]);
existingMarker.setPopupContent(popupContent);
}
} else {
// Create new marker
const icon = this.createAPRSIcon(
packet["data_extended"]["symbol_table_id"] || "/",
packet["data_extended"]["symbol_code"] || ">",
);
const marker = L.marker([lat, lng], { icon: icon }).bindPopup(popupContent);
// Add to cluster group or directly to map
if (this.markerClusterGroup) {
this.markerClusterGroup.addLayer(marker);
} else {
marker.addTo(this.map);
}
this.markers.set(callsign, marker);
console.log("New marker added for:", callsign, "Total markers:", this.markers.size);
// Update packet counter
this.packetCount++;
const counterElement = document.getElementById("packet-count");
if (counterElement) {
counterElement.textContent = this.packetCount;
}
}
},
createAPRSIcon(symbolTable, symbolCode) {
// Default icon color based on symbol table
const color = symbolTable === "/" ? "#2563eb" : "#dc2626";
return L.divIcon({
html: `<div style="background-color: ${color}; width: 12px; height: 12px; border-radius: 50%; border: 2px solid white; box-shadow: 0 1px 3px rgba(0,0,0,0.4);"></div>`,
className: "aprs-marker",
iconSize: [16, 16],
iconAnchor: [8, 8],
popupAnchor: [0, -8],
});
},
destroyed() {
console.log("APRSMap hook destroyed");
if (this.markerClusterGroup) {
this.markerClusterGroup.clearLayers();
}
if (this.map) {
console.log("Removing map instance");
this.map.remove();
this.map = null;
}
this.markers.clear();
},
};
let liveSocket = new LiveSocket("/live", Socket, {
longPollFallbackMs: 2500,
params: { _csrf_token: csrfToken },
hooks: Hooks,
});
// Show progress bar on live navigation and form submits
topbar.config({ barColors: { 0: "#29d" }, shadowColor: "rgba(0, 0, 0, .3)" });
window.addEventListener("phx:page-loading-start", (info) => topbar.delayedShow(200));
window.addEventListener("phx:page-loading-stop", (info) => topbar.hide());
// connect if there are any LiveViews on the page
liveSocket.connect();
// expose liveSocket on window for web console debug logs and latency simulation:
// >> liveSocket.enableDebug()
// >> liveSocket.enableLatencySim(1000) // enabled for duration of browser session
// >> liveSocket.disableLatencySim()
window.liveSocket = liveSocket;