aprs.me/lib/aprsme_web/live/map_live/index.ex

1739 lines
56 KiB
Elixir

defmodule AprsmeWeb.MapLive.Index do
@moduledoc """
LiveView for displaying real-time APRS packets on a map
"""
use AprsmeWeb, :live_view
import AprsmeWeb.Components.ErrorBoundary
import AprsmeWeb.TimeHelpers, only: [time_ago_in_words: 1]
import Phoenix.LiveView, only: [connected?: 1, push_event: 3, push_navigate: 2, push_patch: 2]
alias AprsmeWeb.Endpoint
alias AprsmeWeb.MapLive.MapHelpers
alias AprsmeWeb.MapLive.PacketUtils
alias AprsmeWeb.MapLive.PopupComponent
alias Phoenix.HTML.Safe
alias Phoenix.LiveView.Socket
@default_center %{lat: 39.8283, lng: -98.5795}
@default_zoom 5
# Parse map state from URL parameters
@spec parse_map_params(map()) :: {map(), integer()}
defp parse_map_params(params) do
# Parse latitude (lat parameter)
lat =
case Map.get(params, "lat") do
nil ->
@default_center.lat
lat_str ->
case Float.parse(lat_str) do
{lat_val, _} when lat_val >= -90 and lat_val <= 90 -> lat_val
_ -> @default_center.lat
end
end
# Parse longitude (lng parameter)
lng =
case Map.get(params, "lng") do
nil ->
@default_center.lng
lng_str ->
case Float.parse(lng_str) do
{lng_val, _} when lng_val >= -180 and lng_val <= 180 -> lng_val
_ -> @default_center.lng
end
end
# Parse zoom level (z parameter)
zoom =
case Map.get(params, "z") do
nil ->
@default_zoom
zoom_str ->
case Integer.parse(zoom_str) do
{zoom_val, _} when zoom_val >= 1 and zoom_val <= 20 -> zoom_val
_ -> @default_zoom
end
end
map_center = %{lat: lat, lng: lng}
{map_center, zoom}
end
@impl true
def mount(params, _session, socket) do
if connected?(socket) do
# Subscribe to packet updates
Phoenix.PubSub.subscribe(Aprsme.PubSub, "packets")
Phoenix.PubSub.subscribe(Aprsme.PubSub, "bad_packets")
# Schedule periodic cleanup of old packets
Process.send_after(self(), :cleanup_old_packets, 60_000)
end
# Get deployment timestamp from config (set during application startup)
deployed_at = Aprsme.Release.deployed_at()
# Show 24 hours for more symbol variety
one_hour_ago = DateTime.add(DateTime.utc_now(), -24 * 3600, :second)
# Parse map state from URL parameters
{map_center, map_zoom} = parse_map_params(params)
socket = assign_defaults(socket, one_hour_ago)
socket = assign(socket, map_center: map_center, map_zoom: map_zoom)
# Calculate initial bounds based on center and zoom level
initial_bounds = calculate_bounds_from_center_and_zoom(map_center, map_zoom)
socket = assign(socket, map_bounds: initial_bounds)
socket = assign(socket, packet_buffer: [], buffer_timer: nil)
socket = assign(socket, all_packets: %{}, station_popup_open: false)
if connected?(socket) do
Endpoint.subscribe("aprs_messages")
Phoenix.PubSub.subscribe(Aprsme.PubSub, "postgres:aprsme_packets")
# Defer IP geolocation to avoid blocking initial page load
Process.send_after(self(), :start_geolocation, 2000)
end
{:ok,
assign(socket,
map_ready: false,
map_bounds: nil,
map_center: %{lat: 39.8283, lng: -98.5795},
map_zoom: 4,
visible_packets: %{},
historical_packets: %{},
overlay_callsign: "",
trail_duration: "1",
historical_hours: "1",
packet_age_threshold: one_hour_ago,
slideover_open: true,
deployed_at: deployed_at,
map_page: true
)}
end
# Calculate approximate bounds based on center point and zoom level
# This provides initial bounds for database queries before client sends actual bounds
@spec calculate_bounds_from_center_and_zoom(map(), integer()) :: map()
defp calculate_bounds_from_center_and_zoom(center, zoom) do
# Approximate degrees per pixel at different zoom levels
# These are rough estimates for initial bounds calculation
degrees_per_pixel =
case zoom do
z when z >= 15 -> 0.000005
z when z >= 12 -> 0.00005
z when z >= 10 -> 0.0002
z when z >= 8 -> 0.001
z when z >= 6 -> 0.005
z when z >= 4 -> 0.02
_ -> 0.1
end
# Assume viewport is roughly 800x600 pixels
# Half of 600px height
lat_offset = degrees_per_pixel * 300
# Half of 800px width
lng_offset = degrees_per_pixel * 400
%{
north: center.lat + lat_offset,
south: center.lat - lat_offset,
east: center.lng + lng_offset,
west: center.lng - lng_offset
}
end
@spec assign_defaults(Socket.t(), DateTime.t()) :: Socket.t()
defp assign_defaults(socket, one_hour_ago) do
assign(socket,
packets: [],
page_title: "APRS Map",
visible_packets: %{},
station_popup_open: false,
map_bounds: %{
north: 49.0,
south: 24.0,
east: -66.0,
west: -125.0
},
map_center: @default_center,
map_zoom: @default_zoom,
historical_packets: %{},
packet_age_threshold: one_hour_ago,
map_ready: false,
historical_loaded: false,
pending_geolocation: nil,
bounds_update_timer: nil,
pending_bounds: nil,
initial_bounds_loaded: false,
# Overlay controls
overlay_callsign: "",
trail_duration: "1",
historical_hours: "1",
# Slideover state - will be set based on screen size
slideover_open: true
)
end
@impl true
def handle_event("bounds_changed", %{"bounds" => bounds}, socket) do
handle_bounds_update(bounds, socket)
end
@impl true
def handle_event("update_bounds", %{"bounds" => bounds}, socket) do
handle_bounds_update(bounds, socket)
end
@impl true
def handle_event("locate_me", _params, socket) do
# Send JavaScript command to request browser geolocation
{:noreply, push_event(socket, "request_geolocation", %{})}
end
@impl true
def handle_event("set_location", %{"lat" => lat, "lng" => lng}, socket) do
# Update map center and zoom when location is received
# Ensure coordinates are floats
lat_float =
cond do
is_binary(lat) -> String.to_float(lat)
is_integer(lat) -> lat / 1.0
true -> lat
end
lng_float =
cond do
is_binary(lng) -> String.to_float(lng)
is_integer(lng) -> lng / 1.0
true -> lng
end
socket =
socket
|> assign(map_center: %{lat: lat_float, lng: lng_float}, map_zoom: 12)
|> push_event("zoom_to_location", %{lat: lat_float, lng: lng_float, zoom: 12})
{:noreply, socket}
end
@impl true
def handle_event("clear_and_reload_markers", _params, socket) do
# Only filter the current visible_packets, do not re-query the database
filtered_packets =
socket.assigns.visible_packets
|> Enum.filter(fn {_callsign, packet} ->
within_bounds?(packet, socket.assigns.map_bounds) &&
packet_within_time_threshold?(packet, socket.assigns.packet_age_threshold)
end)
|> Map.new()
locale = Map.get(socket.assigns, :locale, "en")
visible_packets_list =
filtered_packets
|> Enum.map(fn {_callsign, packet} -> PacketUtils.build_packet_data(packet, false, locale) end)
|> Enum.filter(& &1)
socket = assign(socket, visible_packets: filtered_packets)
socket =
if Enum.any?(visible_packets_list) do
push_event(socket, "add_markers", %{markers: visible_packets_list})
else
socket
end
{:noreply, socket}
end
@impl true
def handle_event("map_ready", _params, socket) do
socket = assign(socket, map_ready: true)
# Load historical packets immediately since we now have bounds from URL parameters
Process.send_after(self(), :reload_historical_packets, 10)
# If we have pending geolocation, zoom to it now
socket =
if socket.assigns.pending_geolocation do
%{lat: lat, lng: lng} = socket.assigns.pending_geolocation
push_event(socket, "zoom_to_location", %{lat: lat, lng: lng, zoom: 12})
else
socket
end
{:noreply, socket}
end
@impl true
def handle_event("marker_clicked", _params, socket) do
# When a marker is clicked, mark that a station popup is open
{:noreply, assign(socket, station_popup_open: true)}
end
@impl true
def handle_event("update_callsign", %{"callsign" => callsign}, socket) do
{:noreply, assign(socket, overlay_callsign: callsign)}
end
@impl true
def handle_event("update_trail_duration", %{"trail_duration" => duration}, socket) do
# Convert duration string to hours and calculate new threshold
hours = String.to_integer(duration)
new_threshold = DateTime.add(DateTime.utc_now(), -hours * 3600, :second)
socket = assign(socket, trail_duration: duration, packet_age_threshold: new_threshold)
# Trigger cleanup to remove packets that are now outside the new duration
send(self(), :cleanup_old_packets)
{:noreply, socket}
end
@impl true
def handle_event("update_historical_hours", %{"historical_hours" => hours}, socket) do
socket = assign(socket, historical_hours: hours)
# Trigger a reload of historical packets with the new time range
if socket.assigns.map_ready do
send(self(), :reload_historical_packets)
end
{:noreply, socket}
end
@impl true
def handle_event("search_callsign", %{"callsign" => callsign}, socket) do
trimmed_callsign = callsign |> String.trim() |> String.upcase()
if trimmed_callsign == "" do
{:noreply, socket}
else
# Navigate to the callsign-specific route
{:noreply, push_navigate(socket, to: "/#{trimmed_callsign}")}
end
end
@impl true
def handle_event("toggle_slideover", _params, socket) do
{:noreply, assign(socket, slideover_open: !socket.assigns.slideover_open)}
end
@impl true
def handle_event("set_slideover_state", %{"open" => open}, socket) do
{:noreply, assign(socket, slideover_open: open)}
end
@impl true
def handle_event("geolocation_error", %{"error" => _error}, socket) do
# Handle geolocation errors gracefully - just continue without geolocation
{:noreply, socket}
end
@impl true
def handle_event("request_geolocation", _params, socket) do
# This event is handled by the JavaScript hook
{:noreply, socket}
end
@impl true
def handle_event("popup_closed", _params, socket) do
# When any popup is closed, mark that no station popup is open
{:noreply, assign(socket, station_popup_open: false)}
end
@impl true
def handle_event("get_assigns", _params, socket) do
send(self(), {:test_assigns, socket.assigns})
{:noreply, socket}
end
@impl true
def handle_event("update_map_state", %{"center" => center, "zoom" => zoom} = params, socket) do
# Parse center coordinates
lat =
case center do
%{"lat" => lat_val} -> lat_val
_ -> socket.assigns.map_center.lat
end
lng =
case center do
%{"lng" => lng_val} -> lng_val
_ -> socket.assigns.map_center.lng
end
# Validate and clamp values
lat = max(-90.0, min(90.0, lat))
lng = max(-180.0, min(180.0, lng))
zoom = max(1, min(20, zoom))
map_center = %{lat: lat, lng: lng}
# Update socket state
socket = assign(socket, map_center: map_center, map_zoom: zoom)
# Update URL without page reload
new_path = "/?lat=#{lat}&lng=#{lng}&z=#{zoom}"
socket = push_patch(socket, to: new_path, replace: true)
# If bounds are included, also process bounds update
socket =
case Map.get(params, "bounds") do
%{"north" => north, "south" => south, "east" => east, "west" => west} ->
map_bounds = %{
north: north,
south: south,
east: east,
west: west
}
# Only trigger bounds processing if bounds actually changed
if socket.assigns.map_bounds != map_bounds do
send(self(), {:process_bounds_update, map_bounds})
end
socket
_ ->
socket
end
{:noreply, socket}
end
@impl true
def handle_event(
"error_boundary_triggered",
%{"message" => message, "stack" => stack, "component_id" => component_id},
socket
) do
# Log the error for monitoring
require Logger
Logger.error("Error boundary triggered in component #{component_id}: #{message}\n#{stack}")
# You could also send this to an error tracking service here
# ErrorTracker.report_error(message, stack, %{component: component_id, user_id: socket.assigns[:current_user_id]})
{:noreply, socket}
end
@impl true
def handle_params(params, _url, socket) do
# Parse new map state from URL parameters
{map_center, map_zoom} = parse_map_params(params)
# Update socket state
socket = assign(socket, map_center: map_center, map_zoom: map_zoom)
# If map is ready, update the client-side map
socket =
if socket.assigns.map_ready do
push_event(socket, "zoom_to_location", %{
lat: map_center.lat,
lng: map_center.lng,
zoom: map_zoom
})
else
socket
end
{:noreply, socket}
end
@impl true
def handle_info({:process_bounds_update, map_bounds}, socket), do: handle_info_process_bounds_update(map_bounds, socket)
def handle_info({:delayed_zoom, %{lat: lat, lng: lng}}, socket), do: handle_info_delayed_zoom(lat, lng, socket)
def handle_info({:ip_location, %{lat: lat, lng: lng}}, socket), do: handle_info_ip_location(lat, lng, socket)
def handle_info(:initialize_replay, socket), do: handle_info_initialize_replay(socket)
def handle_info(:cleanup_old_packets, socket), do: handle_cleanup_old_packets(socket)
def handle_info(:reload_historical_packets, socket), do: handle_reload_historical_packets(socket)
def handle_info({:postgres_packet, packet}, socket), do: handle_info_postgres_packet(packet, socket)
def handle_info(:start_geolocation, socket), do: handle_info_start_geolocation(socket)
def handle_info({:load_historical_batch, batch_offset}, socket) do
socket = load_historical_batch(socket, batch_offset)
{:noreply, socket}
end
def handle_info(%Phoenix.Socket.Broadcast{topic: "aprs_messages", event: "packet", payload: packet}, socket),
do: handle_info({:postgres_packet, packet}, socket)
# Private handler functions for each message type
defp handle_info_process_bounds_update(map_bounds, socket) do
if !socket.assigns.initial_bounds_loaded or
not compare_bounds(map_bounds, socket.assigns.map_bounds) do
socket = process_bounds_update(map_bounds, socket)
socket = assign(socket, initial_bounds_loaded: true)
{:noreply, socket}
else
{:noreply, socket}
end
end
defp handle_info_delayed_zoom(lat, lng, socket) do
socket = push_event(socket, "zoom_to_location", %{lat: lat, lng: lng, zoom: 12})
{:noreply, socket}
end
defp handle_info_ip_location(lat, lng, socket) do
lat_float =
cond do
is_binary(lat) -> String.to_float(lat)
is_integer(lat) -> lat / 1.0
true -> lat
end
lng_float =
cond do
is_binary(lng) -> String.to_float(lng)
is_integer(lng) -> lng / 1.0
true -> lng
end
# Schedule a delayed zoom to give the user a moment to see the map
Process.send_after(self(), {:delayed_zoom, %{lat: lat_float, lng: lng_float}}, 500)
# We can still optimistically set the center and zoom
socket = assign(socket, map_center: %{lat: lat_float, lng: lng_float}, map_zoom: 12)
{:noreply, socket}
end
defp handle_info_initialize_replay(socket) do
if not socket.assigns.historical_loaded and socket.assigns.map_ready do
# Only proceed if we have actual map bounds - don't use world bounds
if socket.assigns.map_bounds do
# Use progressive loading for better performance
socket = start_progressive_historical_loading(socket)
socket = assign(socket, historical_loaded: true)
{:noreply, socket}
else
# Wait a bit longer for map bounds to be available
# Increase delay to give client more time to send real bounds
Process.send_after(self(), :initialize_replay, 500)
{:noreply, socket}
end
else
{:noreply, socket}
end
end
defp handle_info_postgres_packet(packet, socket) do
{lat, lon, _data_extended} = MapHelpers.get_coordinates(packet)
callsign_key = get_callsign_key(packet)
# Update all_packets
all_packets = Map.put(socket.assigns.all_packets, callsign_key, packet)
socket = assign(socket, all_packets: all_packets)
# Handle packet visibility logic
handle_packet_visibility(packet, lat, lon, callsign_key, socket)
end
defp get_callsign_key(packet) do
if Map.has_key?(packet, "id"),
do: to_string(packet["id"]),
else: System.unique_integer([:positive])
end
defp handle_packet_visibility(packet, lat, lon, callsign_key, socket) do
cond do
should_remove_marker?(lat, lon, callsign_key, socket) ->
remove_marker_from_map(callsign_key, socket)
should_add_marker?(lat, lon, callsign_key, socket) ->
handle_valid_postgres_packet(packet, lat, lon, socket)
true ->
{:noreply, socket}
end
end
defp should_remove_marker?(lat, lon, callsign_key, socket) do
!is_nil(lat) and !is_nil(lon) and
Map.has_key?(socket.assigns.visible_packets, callsign_key) and
not MapHelpers.within_bounds?(%{lat: lat, lon: lon}, socket.assigns.map_bounds)
end
defp should_add_marker?(lat, lon, callsign_key, socket) do
!is_nil(lat) and !is_nil(lon) and
not Map.has_key?(socket.assigns.visible_packets, callsign_key) and
MapHelpers.within_bounds?(%{lat: lat, lon: lon}, socket.assigns.map_bounds)
end
defp remove_marker_from_map(callsign_key, socket) do
socket = push_event(socket, "remove_marker", %{id: callsign_key})
new_visible_packets = Map.delete(socket.assigns.visible_packets, callsign_key)
{:noreply, assign(socket, visible_packets: new_visible_packets)}
end
defp handle_valid_postgres_packet(packet, _lat, _lon, socket) do
# Add the packet to visible_packets and push a marker immediately
callsign_key =
if Map.has_key?(packet, "id"),
do: to_string(packet["id"]),
else: System.unique_integer([:positive])
new_visible_packets = Map.put(socket.assigns.visible_packets, callsign_key, packet)
# Live packets are always the most recent for their callsign
locale = Map.get(socket.assigns, :locale, "en")
marker_data = PacketUtils.build_packet_data(packet, true, locale)
socket =
if marker_data do
# Only show new packet popup if no station popup is currently open
if socket.assigns.station_popup_open do
# Send without opening popup to avoid interrupting user
push_event(socket, "new_packet", Map.put(marker_data, :openPopup, false))
else
push_event(socket, "new_packet", marker_data)
end
else
socket
end
{:noreply, assign(socket, visible_packets: new_visible_packets)}
end
defp handle_info_start_geolocation(socket) do
if geolocation_enabled?() do
ip_for_geolocation =
if Application.get_env(:aprsme, AprsmeWeb.Endpoint)[:code_reloader] do
# For testing geolocation in dev environment, use a public IP address.
# This will be geolocated to Mountain View, CA.
"8.8.8.8"
else
extract_ip(socket)
end
if valid_ip_for_geolocation?(ip_for_geolocation) do
start_geolocation_task(ip_for_geolocation)
end
end
{:noreply, socket}
end
defp geolocation_enabled? do
Application.get_env(:aprsme, :disable_aprs_connection, false) != true
end
defp extract_ip(socket) do
case socket.private[:connect_info][:peer_data][:address] do
{a, b, c, d} -> "#{a}.#{b}.#{c}.#{d}"
{a, b, c, d, e, f, g, h} -> "#{a}:#{b}:#{c}:#{d}:#{e}:#{f}:#{g}:#{h}"
_ -> nil
end
end
defp valid_ip_for_geolocation?(ip) do
ip && !String.starts_with?(ip, "127.") && !String.starts_with?(ip, "::1")
end
defp start_geolocation_task(ip) do
Task.start(fn ->
try do
get_ip_location(ip)
rescue
_error ->
send(self(), {:ip_location, @default_center})
end
end)
end
# Handle replaying the next historical packet
@impl true
def render(assigns) do
~H"""
<link
rel="stylesheet"
href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css"
integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY="
crossorigin=""
/>
<link
rel="stylesheet"
href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.css"
/>
<link
rel="stylesheet"
href="https://unpkg.com/leaflet.markercluster@1.5.3/dist/MarkerCluster.Default.css"
/>
<script
src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js"
integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo="
crossorigin=""
>
</script>
<script src="https://unpkg.com/leaflet.markercluster@1.5.3/dist/leaflet.markercluster.js">
</script>
<style>
#aprs-map {
position: absolute;
top: 0;
left: 0;
bottom: 0;
height: 100vh;
z-index: 1;
transition: right 0.3s ease-in-out;
}
/* Desktop styles */
@media (min-width: 1024px) {
#aprs-map.slideover-open {
right: 352px;
}
#aprs-map.slideover-closed {
right: 0;
}
}
/* Mobile styles */
@media (max-width: 1023px) {
#aprs-map {
right: 0 !important;
}
}
.locate-button {
position: absolute;
left: 10px;
top: 80px;
z-index: 1000;
background: white;
border: 2px solid rgba(0,0,0,0.2);
border-radius: 4px;
padding: 5px;
cursor: pointer;
}
.locate-button:hover {
background: #f4f4f4;
}
.aprs-marker {
background: transparent !important;
border: none !important;
}
.historical-marker {
opacity: 0.7;
}
.aprs-popup {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
font-size: 12px;
line-height: 1.4;
max-width: 200px;
}
.aprs-callsign {
font-size: 14px;
font-weight: bold;
color: #1e40af;
margin-bottom: 4px;
}
.aprs-info-link {
font-size: 11px;
color: #007cba;
text-decoration: none;
font-weight: normal;
margin-left: 8px;
padding: 2px 4px;
border-radius: 3px;
transition: background-color 0.2s;
}
.aprs-info-link:hover {
background-color: rgba(0, 124, 186, 0.1);
text-decoration: none;
}
.aprs-comment {
color: #374151;
margin-bottom: 4px;
word-wrap: break-word;
}
.aprs-coords {
color: #6b7280;
font-size: 11px;
font-family: monospace;
}
.aprs-timestamp {
color: #6b7280;
font-size: 11px;
font-family: monospace;
padding-top: 4px;
}
/* Leaflet popup improvements for APRS data */
.leaflet-popup-content-wrapper {
border-radius: 8px;
}
.leaflet-popup-content {
margin: 8px 12px;
}
</style>
<.error_boundary id="map-error-boundary">
<div
id="aprs-map"
class={if @slideover_open, do: "slideover-open", else: "slideover-closed"}
phx-hook="APRSMap"
phx-update="ignore"
data-center={Jason.encode!(@map_center)}
data-zoom={@map_zoom}
>
</div>
</.error_boundary>
<button
class="locate-button"
phx-click="locate_me"
title={Gettext.gettext(AprsmeWeb.Gettext, "Find my location")}
>
<svg
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<circle cx="12" cy="12" r="10" />
<line x1="12" y1="8" x2="12" y2="16" />
<line x1="8" y1="12" x2="16" y2="12" />
</svg>
</button>
<!-- Slideover Toggle Button -->
<button
class={["slideover-toggle", if(@slideover_open, do: "slideover-open", else: "slideover-closed")]}
phx-click="toggle_slideover"
title={
if @slideover_open,
do: Gettext.gettext(AprsmeWeb.Gettext, "Hide controls"),
else: Gettext.gettext(AprsmeWeb.Gettext, "Show controls")
}
>
<%= if @slideover_open do %>
<svg
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path d="m9 18 6-6-6-6" />
</svg>
<% else %>
<svg
xmlns="http://www.w3.org/2000/svg"
width="20"
height="20"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path d="m15 18-6-6 6-6" />
</svg>
<% end %>
</button>
<!-- Mobile Backdrop -->
<%= if @slideover_open do %>
<div
class="fixed inset-0 bg-black bg-opacity-50 z-[999] lg:hidden backdrop-blur-sm"
phx-click="toggle_slideover"
>
</div>
<% end %>
<!-- Control Panel Overlay -->
<div
id="slideover-panel"
class={[
"slideover-panel",
if(@slideover_open, do: "slideover-open", else: "slideover-closed")
]}
phx-hook="ResponsiveSlideoverHook"
>
<!-- Header -->
<div class="flex items-center justify-between p-6 border-b border-slate-200 bg-gradient-to-r from-indigo-600 to-purple-600 text-white">
<div class="flex items-center space-x-2">
<svg
class="w-6 h-6"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
xmlns="http://www.w3.org/2000/svg"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"
/>
</svg>
<h2 class="text-xl font-bold">APRS.me</h2>
</div>
<!-- Close button for mobile -->
<button
class="lg:hidden text-white hover:text-slate-200 transition-colors"
phx-click="toggle_slideover"
title={Gettext.gettext(AprsmeWeb.Gettext, "Close controls")}
>
<svg
xmlns="http://www.w3.org/2000/svg"
width="24"
height="24"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
stroke-width="2"
stroke-linecap="round"
stroke-linejoin="round"
>
<path d="m18 6-12 12" />
<path d="m6 6 12 12" />
</svg>
</button>
</div>
<!-- Content -->
<div class="p-6 space-y-6 bg-slate-50 flex-1 overflow-y-auto">
<!-- Callsign Search -->
<div class="space-y-4">
<label class="block text-sm font-semibold text-slate-700 flex items-center space-x-2">
<svg class="w-4 h-4 text-indigo-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z"
/>
</svg>
<span>{gettext("Search Callsign")}</span>
</label>
<form phx-submit="search_callsign" class="flex space-x-2">
<input
type="text"
name="callsign"
value={@overlay_callsign}
phx-change="update_callsign"
placeholder={gettext("Enter callsign...")}
class="flex-1 px-4 py-3 border border-slate-300 rounded-xl shadow-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500 text-sm uppercase placeholder-slate-400 transition-all duration-200 hover:border-slate-400"
/>
<button
type="submit"
class="px-6 py-3 bg-gradient-to-r from-indigo-600 to-purple-600 text-white rounded-xl hover:from-indigo-700 hover:to-purple-700 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2 transition-all duration-200 text-sm font-semibold shadow-lg hover:shadow-xl"
>
{gettext("Search")}
</button>
</form>
</div>
<!-- Trail Duration -->
<div class="space-y-4">
<label class="block text-sm font-semibold text-slate-700 flex items-center space-x-2">
<svg
class="w-4 h-4 text-emerald-500"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
/>
</svg>
<span>{gettext("Trail Duration")}</span>
</label>
<form phx-change="update_trail_duration" class="relative">
<select
name="trail_duration"
class="w-full px-4 py-3 border border-slate-300 rounded-xl shadow-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500 text-sm bg-white text-gray-900 appearance-none transition-all duration-200 hover:border-slate-400"
>
<option value="1" selected={@trail_duration == "1"}>
{ngettext("1 Hour", "%{count} Hours", 1)}
</option>
<option value="6" selected={@trail_duration == "6"}>
{ngettext("1 Hour", "%{count} Hours", 6)}
</option>
<option value="12" selected={@trail_duration == "12"}>
{ngettext("1 Hour", "%{count} Hours", 12)}
</option>
<option value="24" selected={@trail_duration == "24"}>
{ngettext("1 Hour", "%{count} Hours", 24)}
</option>
<option value="48" selected={@trail_duration == "48"}>
{ngettext("1 Hour", "%{count} Hours", 48)}
</option>
<option value="168" selected={@trail_duration == "168"}>
{gettext("1 Week")}
</option>
</select>
<div class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
<svg
class="w-4 h-4 text-slate-400"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M19 9l-7 7-7-7"
/>
</svg>
</div>
</form>
</div>
<!-- Historical Data -->
<div class="space-y-4">
<label class="block text-sm font-semibold text-slate-700 flex items-center space-x-2">
<svg class="w-4 h-4 text-amber-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
/>
</svg>
<span>{gettext("Historical Data")}</span>
</label>
<form phx-change="update_historical_hours" class="relative">
<select
name="historical_hours"
class="w-full px-4 py-3 border border-slate-300 rounded-xl shadow-sm focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:border-indigo-500 text-sm bg-white text-gray-900 appearance-none transition-all duration-200 hover:border-slate-400"
>
<option value="1" selected={@historical_hours == "1"}>
{ngettext("1 Hour", "%{count} Hours", 1)}
</option>
<option value="3" selected={@historical_hours == "3"}>
{ngettext("1 Hour", "%{count} Hours", 3)}
</option>
<option value="6" selected={@historical_hours == "6"}>
{ngettext("1 Hour", "%{count} Hours", 6)}
</option>
<option value="12" selected={@historical_hours == "12"}>
{ngettext("1 Hour", "%{count} Hours", 12)}
</option>
<option value="24" selected={@historical_hours == "24"}>
{ngettext("1 Hour", "%{count} Hours", 24)}
</option>
</select>
<div class="absolute inset-y-0 right-0 flex items-center pr-3 pointer-events-none">
<svg
class="w-4 h-4 text-slate-400"
fill="none"
stroke="currentColor"
viewBox="0 0 24 24"
>
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M19 9l-7 7-7-7"
/>
</svg>
</div>
</form>
</div>
<!-- Navigation -->
<div class="pt-4 border-t border-slate-200 space-y-3">
<div class="flex items-center space-x-2 text-sm text-slate-600 mb-3">
<svg class="w-4 h-4 text-slate-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M3 7v10a2 2 0 002 2h14a2 2 0 002-2V9a2 2 0 00-2-2H5a2 2 0 00-2-2z"
/>
</svg>
<span class="font-medium">{gettext("Navigation")}</span>
</div>
<.navigation variant={:vertical} class="text-sm" current_user={@current_user} />
</div>
<!-- Deployment Information -->
<div class="pt-4 border-t border-slate-200 space-y-3">
<div class="flex items-center space-x-2 text-sm text-slate-600">
<svg class="w-4 h-4 text-slate-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path
stroke-linecap="round"
stroke-linejoin="round"
stroke-width="2"
d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
/>
</svg>
<span class="font-medium">{gettext("Last Deploy")}</span>
</div>
<div class="text-xs text-slate-500">
<div class="font-mono">{time_ago_in_words(@deployed_at)}</div>
<div class="font-mono text-slate-400">
{Calendar.strftime(@deployed_at, "%Y-%m-%d %H:%M UTC")}
</div>
</div>
</div>
</div>
</div>
"""
end
# Clean up expired markers from visible_packets and client, but do not re-query the DB
defp handle_cleanup_old_packets(socket) do
# Schedule next cleanup
Process.send_after(self(), :cleanup_old_packets, 60_000)
# Use the current packet_age_threshold instead of hardcoded one hour
threshold = socket.assigns.packet_age_threshold
# Remove expired packets from visible_packets
expired_keys =
socket.assigns.visible_packets
|> Enum.filter(fn {_key, packet} ->
not packet_within_time_threshold?(packet, threshold)
end)
|> Enum.map(fn {key, _} -> key end)
# Only update the client if there are expired markers
socket =
if expired_keys == [] do
socket
else
Enum.reduce(expired_keys, socket, fn key, acc ->
push_event(acc, "remove_marker", %{id: key})
end)
end
# Use Map.drop/2 for better performance
updated_visible_packets = Map.drop(socket.assigns.visible_packets, expired_keys)
{:noreply, assign(socket, visible_packets: updated_visible_packets)}
end
defp handle_reload_historical_packets(socket) do
if socket.assigns.map_ready and socket.assigns.map_bounds do
# Clear existing historical packets
socket = push_event(socket, "clear_historical_packets", %{})
# Start progressive loading using LiveView's efficient batching
socket = start_progressive_historical_loading(socket)
{:noreply, socket}
else
{:noreply, socket}
end
end
# Check if a packet is within the time threshold (not too old)
@spec packet_within_time_threshold?(struct(), any()) :: boolean()
defp packet_within_time_threshold?(packet, threshold) do
case packet do
%{received_at: received_at} when not is_nil(received_at) ->
threshold_dt = convert_threshold_to_datetime(threshold)
DateTime.compare(received_at, threshold_dt) in [:gt, :eq]
_ ->
# If no timestamp, treat as current
true
end
end
defp convert_threshold_to_datetime(threshold) do
cond do
is_integer(threshold) ->
# Assume seconds since epoch
DateTime.from_unix!(threshold)
is_binary(threshold) ->
case DateTime.from_iso8601(threshold) do
{:ok, dt, _} -> dt
_ -> DateTime.utc_now()
end
match?(%DateTime{}, threshold) ->
threshold
true ->
DateTime.utc_now()
end
end
# Helper functions
# Fetch historical packets from the database
# Select the best packet to display for a callsign - prioritize position over weather
defp select_best_packet_for_display(packets) do
# Separate position and weather packets using the same logic as PacketUtils.weather_packet?
{position_packets, weather_packets} =
Enum.split_with(packets, fn packet ->
# A packet is a position packet if it's NOT a weather packet
not PacketUtils.weather_packet?(packet)
end)
# Prefer the most recent position packet, fall back to most recent weather packet
case position_packets do
[] ->
# No position packets, use most recent weather packet
hd(weather_packets)
[single_position] ->
# Only one position packet, use it
single_position
position_list ->
# Multiple position packets, use most recent one
Enum.max_by(position_list, & &1.received_at, DateTime)
end
end
defp build_packet_data_list(historical_packets) do
# Group by callsign and identify most recent packet for each
grouped_packets =
Enum.group_by(historical_packets, fn packet ->
packet.sender || "unknown"
end)
# Batch fetch weather information for all callsigns to avoid N+1 queries
callsigns = Map.keys(grouped_packets)
weather_callsigns = get_weather_callsigns_batch(callsigns)
# For each callsign group, find the most recent packet and mark it appropriately
grouped_packets
|> Enum.flat_map(fn {callsign, packets} ->
# Sort by received_at to find most recent
sorted_packets = Enum.sort_by(packets, & &1.received_at, {:desc, DateTime})
case sorted_packets do
[] ->
[]
packets_list ->
# Find the best packet to display as "current" - prioritize position over weather
selected_packet = select_best_packet_for_display(packets_list)
historical = Enum.reject(packets_list, &(&1.id == selected_packet.id))
# Always include the selected packet
has_weather = MapSet.member?(weather_callsigns, String.upcase(callsign))
most_recent_data = build_minimal_packet_data(selected_packet, true, has_weather)
# Get coordinates of selected packet for distance filtering
{most_recent_lat, most_recent_lon, _} = MapHelpers.get_coordinates(selected_packet)
# Filter historical packets that are too close to most recent position
filtered_historical =
if most_recent_lat && most_recent_lon do
Enum.filter(historical, fn packet ->
{lat, lon, _} = MapHelpers.get_coordinates(packet)
if lat && lon do
distance_meters = calculate_distance_meters(most_recent_lat, most_recent_lon, lat, lon)
# Only show if 10+ meters away
distance_meters >= 10.0
else
# Skip packets without coordinates
false
end
end)
else
# If most recent has no coordinates, include all historical
historical
end
# Build data for remaining historical packets
historical_data =
filtered_historical
|> Enum.map(fn packet -> build_minimal_packet_data(packet, false, has_weather) end)
|> Enum.filter(& &1)
# Combine most recent and filtered historical
Enum.filter([most_recent_data | historical_data], & &1)
end
end)
|> Enum.filter(& &1)
end
defp build_minimal_packet_data(packet, is_most_recent, has_weather) do
# Build minimal packet data without calling expensive PacketUtils.build_packet_data
{lat, lon, _} = MapHelpers.get_coordinates(packet)
if lat && lon do
# Use PacketUtils to get symbol information properly (includes data_extended fallback)
symbol_table_id = PacketUtils.get_packet_field(packet, :symbol_table_id, "/")
symbol_code = PacketUtils.get_packet_field(packet, :symbol_code, ">")
# Generate symbol HTML using the SymbolRenderer
symbol_html =
AprsmeWeb.SymbolRenderer.render_marker_symbol(
symbol_table_id,
symbol_code,
packet.sender || "",
32
)
%{
"id" => if(is_most_recent, do: "current_#{packet.id}", else: "hist_#{packet.id}"),
"lat" => lat,
"lng" => lon,
"callsign" => packet.sender || "",
"symbol_table_id" => symbol_table_id,
"symbol_code" => symbol_code,
"symbol_html" => symbol_html,
"comment" => packet.comment || "",
"timestamp" => DateTime.to_unix(packet.received_at || DateTime.utc_now(), :millisecond),
"historical" => !is_most_recent,
"is_most_recent_for_callsign" => is_most_recent,
"popup" => build_simple_popup(packet, has_weather)
}
end
end
defp build_simple_popup(packet, has_weather) do
# Build popup HTML directly without database queries
callsign = packet.sender || "Unknown"
timestamp_dt = packet.received_at || DateTime.utc_now()
cache_buster = System.system_time(:millisecond)
# Check if this packet itself is a weather packet
is_weather = PacketUtils.weather_packet?(packet)
if is_weather do
# Build weather popup
%{
callsign: callsign,
comment: nil,
timestamp_dt: timestamp_dt,
cache_buster: cache_buster,
weather: true,
weather_link: true,
temperature: PacketUtils.get_weather_field(packet, :temperature),
temp_unit: "°F",
humidity: PacketUtils.get_weather_field(packet, :humidity),
wind_direction: PacketUtils.get_weather_field(packet, :wind_direction),
wind_speed: PacketUtils.get_weather_field(packet, :wind_speed),
wind_unit: "mph",
wind_gust: PacketUtils.get_weather_field(packet, :wind_gust),
gust_unit: "mph",
pressure: PacketUtils.get_weather_field(packet, :pressure),
rain_1h: PacketUtils.get_weather_field(packet, :rain_1h),
rain_24h: PacketUtils.get_weather_field(packet, :rain_24h),
rain_since_midnight: PacketUtils.get_weather_field(packet, :rain_since_midnight),
rain_1h_unit: "in",
rain_24h_unit: "in",
rain_since_midnight_unit: "in"
}
|> PopupComponent.popup()
|> Safe.to_iodata()
|> IO.iodata_to_binary()
else
# Build standard popup
%{
callsign: callsign,
comment: packet.comment || "",
timestamp_dt: timestamp_dt,
cache_buster: cache_buster,
weather: false,
# Use pre-fetched weather info
weather_link: has_weather
}
|> PopupComponent.popup()
|> Safe.to_iodata()
|> IO.iodata_to_binary()
end
end
# Batch fetch weather callsigns to avoid N+1 queries
defp get_weather_callsigns_batch(callsigns) when is_list(callsigns) do
import Ecto.Query
# Normalize callsigns
normalized_callsigns = Enum.map(callsigns, &String.upcase/1)
# Single query to find all callsigns that have weather packets
query =
from p in Aprsme.Packet,
where: fragment("UPPER(?)", p.sender) in ^normalized_callsigns,
where: p.data_type == "weather" or (p.symbol_table_id == "/" and p.symbol_code == "_"),
select: fragment("UPPER(?)", p.sender),
distinct: true
weather_callsigns = Aprsme.Repo.all(query)
MapSet.new(weather_callsigns)
rescue
_ -> MapSet.new()
end
# Calculate distance between two lat/lon points in meters using Haversine formula
defp calculate_distance_meters(lat1, lon1, lat2, lon2) do
# Convert latitude and longitude from degrees to radians
lat1_rad = lat1 * :math.pi() / 180
lon1_rad = lon1 * :math.pi() / 180
lat2_rad = lat2 * :math.pi() / 180
lon2_rad = lon2 * :math.pi() / 180
# Haversine formula
dlat = lat2_rad - lat1_rad
dlon = lon2_rad - lon1_rad
a =
:math.sin(dlat / 2) * :math.sin(dlat / 2) +
:math.cos(lat1_rad) * :math.cos(lat2_rad) *
:math.sin(dlon / 2) * :math.sin(dlon / 2)
c = 2 * :math.atan2(:math.sqrt(a), :math.sqrt(1 - a))
# Earth's radius in meters
earth_radius_meters = 6_371_000
# Distance in meters
earth_radius_meters * c
end
# Progressive loading functions using LiveView's efficient update mechanisms
@spec start_progressive_historical_loading(Socket.t()) :: Socket.t()
defp start_progressive_historical_loading(socket) do
# Clear existing historical packets before loading new ones
socket = push_event(socket, "clear_historical_packets", %{})
# For high zoom levels, load everything in one batch for maximum speed
zoom = socket.assigns.map_zoom || 5
if zoom >= 10 do
# High zoom - load everything at once for maximum speed
socket
|> assign(loading_batch: 0, total_batches: 1)
|> load_historical_batch(0)
else
# Low zoom - use progressive loading to prevent overwhelming
total_batches = calculate_batch_count_for_zoom(zoom)
# Start with first batch
socket =
socket
|> assign(loading_batch: 0, total_batches: total_batches)
|> load_historical_batch(0)
# Load all remaining batches immediately - no delays
Enum.each(1..(total_batches - 1), fn batch_index ->
send(self(), {:load_historical_batch, batch_index})
end)
socket
end
end
# Calculate optimal batch size based on zoom level
# Higher zoom = smaller viewport = load everything at once for speed
@spec calculate_batch_size_for_zoom(integer()) :: integer()
# High zoom - load everything at once (up to 500 packets)
defp calculate_batch_size_for_zoom(zoom) when zoom >= 10, do: 500
# Medium zoom
defp calculate_batch_size_for_zoom(zoom) when zoom >= 8, do: 100
# Zoomed out
defp calculate_batch_size_for_zoom(zoom) when zoom >= 5, do: 75
# Very zoomed out
defp calculate_batch_size_for_zoom(_), do: 50
# Calculate optimal number of batches based on zoom level
# Higher zoom = fewer batches needed since viewport is smaller
@spec calculate_batch_count_for_zoom(integer()) :: integer()
# Very zoomed in - fewer batches
defp calculate_batch_count_for_zoom(zoom) when zoom >= 15, do: 2
# Moderately zoomed in
defp calculate_batch_count_for_zoom(zoom) when zoom >= 12, do: 3
# Medium zoom
defp calculate_batch_count_for_zoom(zoom) when zoom >= 8, do: 4
# Zoomed out - more batches
defp calculate_batch_count_for_zoom(_), do: 5
@spec load_historical_batch(Socket.t(), integer()) :: Socket.t()
defp load_historical_batch(socket, batch_offset) do
if socket.assigns.map_bounds do
bounds = [
socket.assigns.map_bounds.west,
socket.assigns.map_bounds.south,
socket.assigns.map_bounds.east,
socket.assigns.map_bounds.north
]
# Calculate zoom-based batch size - higher zoom = smaller batches for faster response
zoom = socket.assigns.map_zoom || 5
batch_size = calculate_batch_size_for_zoom(zoom)
offset = batch_offset * batch_size
packets_module = Application.get_env(:aprsme, :packets_module, Aprsme.Packets)
historical_packets =
if packets_module == Aprsme.Packets do
# Use cached queries for better performance
# Include zoom level in cache key for better cache efficiency
Aprsme.CachedQueries.get_recent_packets_cached(%{
bounds: bounds,
limit: batch_size,
offset: offset,
zoom: zoom
})
else
# Fallback for testing
packets_module.get_recent_packets_optimized(%{
bounds: bounds,
limit: batch_size,
offset: offset
})
end
if Enum.any?(historical_packets) do
# Process this batch and send to frontend
packet_data_list = build_packet_data_list(historical_packets)
if Enum.any?(packet_data_list) do
# Use LiveView's efficient push_event for incremental updates
total_batches = socket.assigns.total_batches || 4
socket =
push_event(socket, "add_historical_packets_batch", %{
packets: packet_data_list,
batch: batch_offset,
is_final: batch_offset >= total_batches - 1
})
# Update progress for user feedback
socket = assign(socket, loading_batch: batch_offset + 1)
socket
else
socket
end
else
socket
end
else
socket
end
end
@spec within_bounds?(map() | struct(), map()) :: boolean()
defp within_bounds?(packet, bounds) do
{lat, lon, _data_extended} = MapHelpers.get_coordinates(packet)
# Basic validation
if is_nil(lat) or is_nil(lon) do
false
else
# Check latitude bounds (straightforward)
lat_in_bounds = lat >= bounds.south && lat <= bounds.north
# Check longitude bounds (handle potential wrapping)
lng_in_bounds =
if bounds.west <= bounds.east do
# Normal case: bounds don't cross antimeridian
lon >= bounds.west && lon <= bounds.east
else
# Bounds cross antimeridian (e.g., west=170, east=-170)
lon >= bounds.west || lon <= bounds.east
end
lat_in_bounds && lng_in_bounds
end
end
# Get location from IP using ip-api.com
@spec get_ip_location(String.t() | nil) :: {float(), float()} | nil
defp get_ip_location(nil), do: nil
defp get_ip_location(ip) do
# Asynchronously fetch IP location
case Req.get("https://ip-api.com/json/#{ip}") do
{:ok, %Req.Response{status: 200, body: body}} -> handle_ip_api_response(body)
{:ok, _response} -> send_default_ip_location()
{:error, %{reason: :timeout}} -> send_default_ip_location()
{:error, _error} -> send_default_ip_location()
end
end
defp handle_ip_api_response(body) do
case Jason.decode(body) do
{:ok, %{"status" => "success", "lat" => lat, "lon" => lng}}
when is_number(lat) and is_number(lng) ->
if lat >= -90 and lat <= 90 and lng >= -180 and lng <= 180 do
lat_float = lat / 1.0
lng_float = lng / 1.0
send(self(), {:ip_location, %{lat: lat_float, lng: lng_float}})
else
send_default_ip_location()
end
{:ok, _} ->
send_default_ip_location()
{:error, _decode_error} ->
send_default_ip_location()
end
end
defp send_default_ip_location, do: send(self(), {:ip_location, @default_center})
@impl true
def terminate(_reason, socket) do
if socket.assigns.buffer_timer, do: Process.cancel_timer(socket.assigns.buffer_timer)
# Clean up any pending bounds update timer
if socket.assigns[:bounds_update_timer] do
Process.cancel_timer(socket.assigns.bounds_update_timer)
end
:ok
end
# Add a helper for robust bounds comparison
defp compare_bounds(b1, b2) do
# Handle nil bounds
cond do
is_nil(b1) and is_nil(b2) -> true
is_nil(b1) or is_nil(b2) -> false
true -> compare_bounds_maps(b1, b2)
end
end
defp compare_bounds_maps(b1, b2) do
round4 = fn x ->
case x do
n when is_float(n) -> Float.round(n, 4)
n when is_integer(n) -> n * 1.0
_ -> x
end
end
Enum.all?([:north, :south, :east, :west], fn key ->
round4.(Map.get(b1, key)) == round4.(Map.get(b2, key))
end)
end
# --- Private bounds update helpers ---
@spec handle_bounds_update(map(), Socket.t()) :: {:noreply, Socket.t()}
defp handle_bounds_update(bounds, socket) do
# Update the map bounds from the client, converting to atom keys
map_bounds = %{
north: bounds["north"],
south: bounds["south"],
east: bounds["east"],
west: bounds["west"]
}
# Validate bounds to prevent invalid coordinates
if valid_bounds?(map_bounds) do
handle_valid_bounds_update(map_bounds, socket)
else
# Invalid bounds, skip update
{:noreply, socket}
end
end
defp valid_bounds?(map_bounds) do
map_bounds.north <= 90 and map_bounds.south >= -90 and map_bounds.north > map_bounds.south
end
defp handle_valid_bounds_update(map_bounds, socket) do
# Only schedule a bounds update if the bounds have actually changed (with rounding)
if compare_bounds(map_bounds, socket.assigns.map_bounds) do
{:noreply, socket}
else
# If this is the first bounds update (map_bounds is nil), process immediately
# to avoid race condition with historical packet loading
if is_nil(socket.assigns.map_bounds) do
# Process immediately for initial bounds
socket = process_bounds_update(map_bounds, socket)
{:noreply, socket}
else
# For subsequent updates, use the timer to debounce
schedule_bounds_update(map_bounds, socket)
end
end
end
defp schedule_bounds_update(map_bounds, socket) do
if socket.assigns[:bounds_update_timer] do
Process.cancel_timer(socket.assigns.bounds_update_timer)
end
timer_ref = Process.send_after(self(), {:process_bounds_update, map_bounds}, 100)
socket = assign(socket, bounds_update_timer: timer_ref, pending_bounds: map_bounds)
{:noreply, socket}
end
@spec process_bounds_update(map(), Socket.t()) :: Socket.t()
defp process_bounds_update(map_bounds, socket) do
# Remove out-of-bounds packets and markers immediately
new_visible_packets =
socket.assigns.visible_packets
|> Enum.filter(fn {_k, packet} -> within_bounds?(packet, map_bounds) end)
|> Map.new()
packets_to_remove =
socket.assigns.visible_packets
|> Enum.reject(fn {_k, packet} -> within_bounds?(packet, map_bounds) end)
|> Enum.map(fn {k, _} -> k end)
# Remove markers for out-of-bounds packets
socket =
if packets_to_remove == [] do
socket
else
Enum.reduce(packets_to_remove, socket, fn k, acc ->
push_event(acc, "remove_marker", %{id: k})
end)
end
# Remove only out-of-bounds historical packets instead of clearing all
socket = push_event(socket, "filter_markers_by_bounds", %{bounds: map_bounds})
# Load historical packets for the new bounds
# Always load historical packets when bounds change to ensure new areas have data
socket = start_progressive_historical_loading(socket)
# Update map bounds and visible packets
assign(socket, map_bounds: map_bounds, visible_packets: new_visible_packets)
end
end