feat: improve APRS map with beacon filtering, error handling, and performance optimizations
- Filter APRS built-in beacon patterns (WIDE, TRACE, RELAY, etc.) from RF paths - Add comprehensive error recovery for database query failures - Implement memory management with packet limits to prevent unbounded growth - Add loading state indicators with progress tracking - Increase debounce timing and add generation-based request cancellation - Refactor code to use pattern matching instead of conditionals - Add input validation for callsigns - Fix all credo and compilation warnings 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
parent
766a1301e0
commit
93c3fe0f19
1 changed files with 358 additions and 198 deletions
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@ -6,7 +6,7 @@ defmodule AprsmeWeb.MapLive.Index do
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import AprsmeWeb.Components.ErrorBoundary
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import AprsmeWeb.TimeHelpers, only: [time_ago_in_words: 1]
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import Phoenix.LiveView, only: [connected?: 1, push_event: 3, push_navigate: 2, push_patch: 2]
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import Phoenix.LiveView, only: [connected?: 1, push_event: 3, push_navigate: 2, push_patch: 2, put_flash: 3]
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alias Aprsme.CachedQueries
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alias Aprsme.GeoUtils
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@ -22,52 +22,60 @@ defmodule AprsmeWeb.MapLive.Index do
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@default_center %{lat: 39.8283, lng: -98.5795}
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@default_zoom 5
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# Memory limits to prevent unbounded growth
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@max_visible_packets 1000
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@max_historical_packets 5000
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@max_all_packets 2000
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# Parse map state from URL parameters
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@spec parse_map_params(map()) :: {map(), integer()}
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defp parse_map_params(params) do
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# Parse latitude (lat parameter)
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lat =
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case Map.get(params, "lat") do
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nil ->
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@default_center.lat
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lat_str ->
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case Float.parse(lat_str) do
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{lat_val, _} when lat_val >= -90 and lat_val <= 90 -> lat_val
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_ -> @default_center.lat
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end
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end
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# Parse longitude (lng parameter)
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lng =
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case Map.get(params, "lng") do
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nil ->
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@default_center.lng
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lng_str ->
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case Float.parse(lng_str) do
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{lng_val, _} when lng_val >= -180 and lng_val <= 180 -> lng_val
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_ -> @default_center.lng
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end
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end
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# Parse zoom level (z parameter)
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zoom =
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case Map.get(params, "z") do
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nil ->
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@default_zoom
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zoom_str ->
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case Integer.parse(zoom_str) do
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{zoom_val, _} when zoom_val >= 1 and zoom_val <= 20 -> zoom_val
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_ -> @default_zoom
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end
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end
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lat = parse_latitude(Map.get(params, "lat"))
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lng = parse_longitude(Map.get(params, "lng"))
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zoom = parse_zoom(Map.get(params, "z"))
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map_center = %{lat: lat, lng: lng}
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{map_center, zoom}
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end
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defp parse_latitude(nil), do: @default_center.lat
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defp parse_latitude(lat_str) do
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parse_float_in_range(lat_str, @default_center.lat, -90, 90)
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end
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defp parse_longitude(nil), do: @default_center.lng
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defp parse_longitude(lng_str) do
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parse_float_in_range(lng_str, @default_center.lng, -180, 180)
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end
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defp parse_zoom(nil), do: @default_zoom
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defp parse_zoom(zoom_str) do
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parse_int_in_range(zoom_str, @default_zoom, 1, 20)
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end
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defp parse_float_in_range(str, default, min, max) do
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case Float.parse(str) do
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{val, _} when val >= min and val <= max -> val
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_ -> default
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end
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end
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defp parse_int_in_range(str, default, min, max) do
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case Integer.parse(str) do
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{val, _} when val >= min and val <= max -> val
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_ -> default
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end
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end
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# Convert various types to float
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defp to_float(value) when is_binary(value), do: String.to_float(value)
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defp to_float(value) when is_integer(value), do: value / 1.0
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defp to_float(value) when is_float(value), do: value
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defp to_float(_), do: 0.0
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@impl true
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def mount(params, session, socket) do
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socket = setup_subscriptions(socket)
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@ -114,24 +122,30 @@ defmodule AprsmeWeb.MapLive.Index do
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end
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defp setup_subscriptions(socket) do
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if connected?(socket) do
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Phoenix.PubSub.subscribe(Aprsme.PubSub, "packets")
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Phoenix.PubSub.subscribe(Aprsme.PubSub, "bad_packets")
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Process.send_after(self(), :cleanup_old_packets, 60_000)
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end
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do_setup_subscriptions(socket, connected?(socket))
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end
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defp do_setup_subscriptions(socket, true) do
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Phoenix.PubSub.subscribe(Aprsme.PubSub, "packets")
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Phoenix.PubSub.subscribe(Aprsme.PubSub, "bad_packets")
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Process.send_after(self(), :cleanup_old_packets, 60_000)
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socket
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end
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defp do_setup_subscriptions(socket, false), do: socket
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defp setup_additional_subscriptions(socket) do
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if connected?(socket) do
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Endpoint.subscribe("aprs_messages")
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Phoenix.PubSub.subscribe(Aprsme.PubSub, "postgres:aprsme_packets")
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end
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do_setup_additional_subscriptions(socket, connected?(socket))
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end
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defp do_setup_additional_subscriptions(socket, true) do
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Endpoint.subscribe("aprs_messages")
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Phoenix.PubSub.subscribe(Aprsme.PubSub, "postgres:aprsme_packets")
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socket
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end
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defp do_setup_additional_subscriptions(socket, false), do: socket
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defp has_explicit_url_params?(params) do
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!!(params["lat"] || params["lng"] || params["z"])
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end
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@ -197,7 +211,11 @@ defmodule AprsmeWeb.MapLive.Index do
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all_packets: %{},
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station_popup_open: false,
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initial_bounds_loaded: false,
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needs_initial_historical_load: tracked_callsign != ""
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needs_initial_historical_load: tracked_callsign != "",
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# Loading state management
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historical_loading: false,
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loading_generation: 0,
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pending_batch_tasks: []
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)
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end
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@ -207,16 +225,7 @@ defmodule AprsmeWeb.MapLive.Index do
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defp calculate_bounds_from_center_and_zoom(center, zoom) do
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# Approximate degrees per pixel at different zoom levels
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# These are rough estimates for initial bounds calculation
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degrees_per_pixel =
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case zoom do
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z when z >= 15 -> 0.000005
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z when z >= 12 -> 0.00005
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z when z >= 10 -> 0.0002
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z when z >= 8 -> 0.001
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z when z >= 6 -> 0.005
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z when z >= 4 -> 0.02
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_ -> 0.1
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end
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degrees_per_pixel = calculate_degrees_per_pixel(zoom)
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# Assume viewport is roughly 800x600 pixels
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# Half of 600px height
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@ -254,6 +263,10 @@ defmodule AprsmeWeb.MapLive.Index do
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bounds_update_timer: nil,
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pending_bounds: nil,
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initial_bounds_loaded: false,
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# Loading state management
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historical_loading: false,
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loading_generation: 0,
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pending_batch_tasks: [],
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# Overlay controls
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overlay_callsign: "",
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trail_duration: "1",
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@ -279,19 +292,8 @@ defmodule AprsmeWeb.MapLive.Index do
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def handle_event("set_location", %{"lat" => lat, "lng" => lng}, socket) do
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# Update map center and zoom when location is received
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# Ensure coordinates are floats
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lat_float =
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cond do
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is_binary(lat) -> String.to_float(lat)
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is_integer(lat) -> lat / 1.0
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true -> lat
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end
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lng_float =
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cond do
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is_binary(lng) -> String.to_float(lng)
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is_integer(lng) -> lng / 1.0
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true -> lng
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end
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lat_float = to_float(lat)
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lng_float = to_float(lng)
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socket = update_and_zoom_to_location(socket, lat_float, lng_float, 12)
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@ -453,14 +455,10 @@ defmodule AprsmeWeb.MapLive.Index do
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@impl true
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def handle_event("search_callsign", %{"callsign" => callsign}, socket) do
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trimmed_callsign = callsign |> String.trim() |> String.upcase()
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if trimmed_callsign == "" do
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{:noreply, socket}
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else
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# Navigate to the callsign-specific route
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{:noreply, push_navigate(socket, to: "/#{trimmed_callsign}")}
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end
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callsign
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|> String.trim()
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|> String.upcase()
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|> handle_callsign_search(socket)
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end
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@impl true
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@ -520,30 +518,55 @@ defmodule AprsmeWeb.MapLive.Index do
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{:noreply, socket}
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end
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defp parse_center_coordinates(center, socket) do
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lat =
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case center do
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%{"lat" => lat_val} -> lat_val
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_ -> socket.assigns.map_center.lat
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end
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@impl true
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def handle_event(
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"error_boundary_triggered",
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%{"message" => message, "stack" => stack, "component_id" => component_id},
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socket
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) do
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# Log the error for monitoring
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require Logger
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lng =
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case center do
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%{"lng" => lng_val} -> lng_val
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_ -> socket.assigns.map_center.lng
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end
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Logger.error("Error boundary triggered in component #{component_id}: #{message}\n#{stack}")
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# You could also send this to an error tracking service here
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# ErrorTracker.report_error(message, stack, %{component: component_id, user_id: socket.assigns[:current_user_id]})
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{:noreply, socket}
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end
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defp parse_center_coordinates(center, socket) do
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lat = extract_coordinate(center, "lat", socket.assigns.map_center.lat)
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lng = extract_coordinate(center, "lng", socket.assigns.map_center.lng)
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# Validate and clamp values
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lat = max(-90.0, min(90.0, lat))
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lng = max(-180.0, min(180.0, lng))
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lat = clamp_coordinate(lat, -90.0, 90.0)
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lng = clamp_coordinate(lng, -180.0, 180.0)
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{lat, lng}
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end
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defp extract_coordinate(map, key, default) do
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Map.get(map, key, default)
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end
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defp clamp_coordinate(value, min, max) do
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value |> max(min) |> min(max)
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end
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defp clamp_zoom(zoom) do
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max(1, min(20, zoom))
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end
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# Calculate degrees per pixel based on zoom level
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defp calculate_degrees_per_pixel(zoom) when zoom >= 15, do: 0.000005
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defp calculate_degrees_per_pixel(zoom) when zoom >= 12, do: 0.00005
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defp calculate_degrees_per_pixel(zoom) when zoom >= 10, do: 0.0002
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defp calculate_degrees_per_pixel(zoom) when zoom >= 8, do: 0.001
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defp calculate_degrees_per_pixel(zoom) when zoom >= 6, do: 0.005
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defp calculate_degrees_per_pixel(zoom) when zoom >= 4, do: 0.02
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defp calculate_degrees_per_pixel(_), do: 0.1
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defp update_map_state(socket, map_center, zoom) do
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old_zoom = socket.assigns.map_zoom
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crossing_threshold = crossing_zoom_threshold?(old_zoom, zoom)
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@ -617,21 +640,14 @@ defmodule AprsmeWeb.MapLive.Index do
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socket.assigns[:needs_initial_historical_load]
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end
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@impl true
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def handle_event(
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"error_boundary_triggered",
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%{"message" => message, "stack" => stack, "component_id" => component_id},
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socket
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) do
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# Log the error for monitoring
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require Logger
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defp handle_callsign_search("", socket), do: {:noreply, socket}
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Logger.error("Error boundary triggered in component #{component_id}: #{message}\n#{stack}")
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# You could also send this to an error tracking service here
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# ErrorTracker.report_error(message, stack, %{component: component_id, user_id: socket.assigns[:current_user_id]})
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{:noreply, socket}
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defp handle_callsign_search(callsign, socket) do
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if valid_callsign?(callsign) do
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{:noreply, push_navigate(socket, to: "/#{callsign}")}
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else
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{:noreply, put_flash(socket, :error, gettext("Invalid callsign format"))}
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end
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end
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@impl true
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@ -676,14 +692,42 @@ defmodule AprsmeWeb.MapLive.Index do
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def handle_info({:postgres_packet, packet}, socket), do: handle_info_postgres_packet(packet, socket)
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def handle_info({:process_pending_bounds}, socket) do
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if socket.assigns.pending_bounds && !socket.assigns.historical_loading do
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# Process the pending bounds update
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bounds = socket.assigns.pending_bounds
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socket = assign(socket, pending_bounds: nil)
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handle_bounds_update(bounds, socket)
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else
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{:noreply, socket}
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end
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end
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def handle_info({:load_historical_batch, batch_offset}, socket) do
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socket = load_historical_batch(socket, batch_offset)
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# For backward compatibility with old messages
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socket = load_historical_batch(socket, batch_offset, socket.assigns.loading_generation)
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{:noreply, socket}
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end
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def handle_info({:load_historical_batch, batch_offset, generation}, socket) do
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# Only process if generation matches current loading generation
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if generation == socket.assigns.loading_generation do
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socket = load_historical_batch(socket, batch_offset, generation)
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{:noreply, socket}
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else
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# Stale request, ignore it
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{:noreply, socket}
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end
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end
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def handle_info(%Phoenix.Socket.Broadcast{topic: "aprs_messages", event: "packet", payload: packet}, socket),
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do: handle_info({:postgres_packet, packet}, socket)
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def handle_info({:show_error, message}, socket) do
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socket = put_flash(socket, :error, message)
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{:noreply, socket}
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end
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# Private handler functions for each message type
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defp handle_info_process_bounds_update(map_bounds, socket) do
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@ -750,8 +794,16 @@ defmodule AprsmeWeb.MapLive.Index do
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{lat, lon, _data_extended} = MapHelpers.get_coordinates(packet)
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callsign_key = get_callsign_key(packet)
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# Update all_packets
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# Update all_packets with memory limit
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all_packets = Map.put(socket.assigns.all_packets, callsign_key, packet)
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all_packets =
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if map_size(all_packets) > @max_all_packets do
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prune_oldest_packets(all_packets, @max_all_packets)
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else
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all_packets
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end
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socket = assign(socket, all_packets: all_packets)
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# Handle packet visibility logic
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@ -826,6 +878,15 @@ defmodule AprsmeWeb.MapLive.Index do
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else: System.unique_integer([:positive])
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new_visible_packets = Map.put(socket.assigns.visible_packets, callsign_key, packet)
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# Enforce memory limits
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new_visible_packets =
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if map_size(new_visible_packets) > @max_visible_packets do
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prune_oldest_packets(new_visible_packets, @max_visible_packets)
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else
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new_visible_packets
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end
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socket = assign(socket, visible_packets: new_visible_packets)
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# Check zoom level to decide how to display the packet
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@ -1006,6 +1067,8 @@ defmodule AprsmeWeb.MapLive.Index do
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phx-update="ignore"
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data-center={Jason.encode!(@map_center)}
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data-zoom={@map_zoom}
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role="application"
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aria-label={gettext("APRS packet map showing real-time amateur radio stations")}
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>
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</div>
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</.error_boundary>
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@ -1068,6 +1131,20 @@ defmodule AprsmeWeb.MapLive.Index do
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<% end %>
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</button>
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<!-- Loading Indicator -->
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<%= if @historical_loading do %>
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<div class="absolute bottom-4 left-1/2 transform -translate-x-1/2 z-[1000]
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bg-white rounded-lg shadow-lg px-4 py-2 flex items-center space-x-2">
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<div class="animate-spin rounded-full h-4 w-4 border-b-2 border-indigo-600"></div>
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<span class="text-sm text-gray-600">
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{gettext("Loading historical data...")}
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<%= if @loading_batch && @total_batches do %>
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({@loading_batch}/{@total_batches})
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<% end %>
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</span>
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</div>
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<% end %>
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<!-- Mobile Backdrop -->
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<%= if @slideover_open do %>
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<div
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@ -1396,26 +1473,21 @@ defmodule AprsmeWeb.MapLive.Index do
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end
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end
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defp convert_threshold_to_datetime(threshold) do
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cond do
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is_integer(threshold) ->
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# Assume seconds since epoch
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DateTime.from_unix!(threshold)
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||||
defp convert_threshold_to_datetime(threshold) when is_integer(threshold) do
|
||||
# Assume seconds since epoch
|
||||
DateTime.from_unix!(threshold)
|
||||
end
|
||||
|
||||
is_binary(threshold) ->
|
||||
case DateTime.from_iso8601(threshold) do
|
||||
{:ok, dt, _} -> dt
|
||||
_ -> DateTime.utc_now()
|
||||
end
|
||||
|
||||
match?(%DateTime{}, threshold) ->
|
||||
threshold
|
||||
|
||||
true ->
|
||||
DateTime.utc_now()
|
||||
defp convert_threshold_to_datetime(threshold) when is_binary(threshold) do
|
||||
case DateTime.from_iso8601(threshold) do
|
||||
{:ok, dt, _} -> dt
|
||||
_ -> DateTime.utc_now()
|
||||
end
|
||||
end
|
||||
|
||||
defp convert_threshold_to_datetime(%DateTime{} = threshold), do: threshold
|
||||
defp convert_threshold_to_datetime(_), do: DateTime.utc_now()
|
||||
|
||||
# Helper functions
|
||||
|
||||
# Fetch historical packets from the database
|
||||
|
|
@ -1642,8 +1714,11 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
"start_progressive_historical_loading called with zoom: #{socket.assigns.map_zoom}, bounds: #{inspect(socket.assigns.map_bounds)}"
|
||||
)
|
||||
|
||||
# Don't clear historical packets here - let the caller decide if clearing is needed
|
||||
# This prevents race conditions where we clear packets that were just loaded
|
||||
# Increment generation to invalidate any in-flight loads
|
||||
new_generation = socket.assigns.loading_generation + 1
|
||||
|
||||
# Cancel any pending batch tasks
|
||||
socket = cancel_pending_loads(socket)
|
||||
|
||||
# For high zoom levels, load everything in one batch for maximum speed
|
||||
zoom = socket.assigns.map_zoom || 5
|
||||
|
|
@ -1653,8 +1728,13 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
Logger.debug("High zoom (#{zoom}), loading in single batch")
|
||||
|
||||
socket
|
||||
|> assign(loading_batch: 0, total_batches: 1)
|
||||
|> load_historical_batch(0)
|
||||
|> assign(
|
||||
loading_batch: 0,
|
||||
total_batches: 1,
|
||||
historical_loading: true,
|
||||
loading_generation: new_generation
|
||||
)
|
||||
|> load_historical_batch(0, new_generation)
|
||||
else
|
||||
# Low zoom - use progressive loading to prevent overwhelming
|
||||
total_batches = calculate_batch_count_for_zoom(zoom)
|
||||
|
|
@ -1662,36 +1742,46 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
# Start with first batch
|
||||
socket =
|
||||
socket
|
||||
|> assign(loading_batch: 0, total_batches: total_batches)
|
||||
|> load_historical_batch(0)
|
||||
|> assign(
|
||||
loading_batch: 0,
|
||||
total_batches: total_batches,
|
||||
historical_loading: true,
|
||||
loading_generation: new_generation
|
||||
)
|
||||
|> load_historical_batch(0, new_generation)
|
||||
|
||||
# Load all remaining batches immediately - no delays
|
||||
Enum.each(1..(total_batches - 1), fn batch_index ->
|
||||
send(self(), {:load_historical_batch, batch_index})
|
||||
end)
|
||||
# Schedule remaining batches with generation check
|
||||
batch_refs =
|
||||
Enum.map(1..(total_batches - 1), fn batch_index ->
|
||||
Process.send_after(self(), {:load_historical_batch, batch_index, new_generation}, batch_index * 50)
|
||||
end)
|
||||
|
||||
socket = assign(socket, pending_batch_tasks: batch_refs)
|
||||
|
||||
socket
|
||||
end
|
||||
end
|
||||
|
||||
defp cancel_pending_loads(socket) do
|
||||
# Cancel any pending batch load messages
|
||||
Enum.each(socket.assigns.pending_batch_tasks, &Process.cancel_timer/1)
|
||||
assign(socket, pending_batch_tasks: [])
|
||||
end
|
||||
|
||||
# Consolidated zoom-based loading parameters
|
||||
@spec get_loading_params_for_zoom(integer()) :: {batch_size :: integer(), batch_count :: integer()}
|
||||
defp get_loading_params_for_zoom(zoom) do
|
||||
cond do
|
||||
# Very zoomed in - load everything at once, minimal batches
|
||||
zoom >= 15 -> {500, 2}
|
||||
# Moderately zoomed in
|
||||
zoom >= 12 -> {500, 3}
|
||||
# High zoom - still load a lot
|
||||
zoom >= 10 -> {500, 4}
|
||||
# Medium zoom
|
||||
zoom >= 8 -> {100, 4}
|
||||
# Zoomed out
|
||||
zoom >= 5 -> {75, 5}
|
||||
# Very zoomed out - smaller batches, more of them
|
||||
true -> {50, 5}
|
||||
end
|
||||
end
|
||||
# Very zoomed in - load everything at once, minimal batches
|
||||
defp get_loading_params_for_zoom(zoom) when zoom >= 15, do: {500, 2}
|
||||
# Moderately zoomed in
|
||||
defp get_loading_params_for_zoom(zoom) when zoom >= 12, do: {500, 3}
|
||||
# High zoom - still load a lot
|
||||
defp get_loading_params_for_zoom(zoom) when zoom >= 10, do: {500, 4}
|
||||
# Medium zoom
|
||||
defp get_loading_params_for_zoom(zoom) when zoom >= 8, do: {100, 4}
|
||||
# Zoomed out
|
||||
defp get_loading_params_for_zoom(zoom) when zoom >= 5, do: {75, 5}
|
||||
# Very zoomed out - smaller batches, more of them
|
||||
defp get_loading_params_for_zoom(_), do: {50, 5}
|
||||
|
||||
@spec calculate_batch_size_for_zoom(integer()) :: integer()
|
||||
defp calculate_batch_size_for_zoom(zoom) do
|
||||
|
|
@ -1705,8 +1795,18 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
batch_count
|
||||
end
|
||||
|
||||
@spec load_historical_batch(Socket.t(), integer()) :: Socket.t()
|
||||
defp load_historical_batch(socket, batch_offset) do
|
||||
@spec load_historical_batch(Socket.t(), integer(), integer() | nil) :: Socket.t()
|
||||
defp load_historical_batch(socket, batch_offset, generation) do
|
||||
# Check generation if provided
|
||||
if generation && generation != socket.assigns.loading_generation do
|
||||
# Stale request, return unchanged socket
|
||||
socket
|
||||
else
|
||||
do_load_historical_batch(socket, batch_offset)
|
||||
end
|
||||
end
|
||||
|
||||
defp do_load_historical_batch(socket, batch_offset) do
|
||||
if socket.assigns.map_bounds do
|
||||
bounds = [
|
||||
socket.assigns.map_bounds.west,
|
||||
|
|
@ -1756,11 +1856,12 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
})
|
||||
end
|
||||
rescue
|
||||
e ->
|
||||
error ->
|
||||
require Logger
|
||||
|
||||
Logger.error("Error loading historical packets: #{inspect(e)}")
|
||||
Logger.error("Stack trace: #{Exception.format_stacktrace()}")
|
||||
Logger.error("Error loading historical packets: #{inspect(error)}")
|
||||
# Return empty list and notify user
|
||||
send(self(), {:show_error, gettext("Failed to load historical data. Please try again.")})
|
||||
[]
|
||||
end
|
||||
|
||||
|
|
@ -1792,6 +1893,14 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
Map.put(acc, key, packet)
|
||||
end)
|
||||
|
||||
# Apply memory limit
|
||||
new_historical =
|
||||
if map_size(new_historical) > @max_historical_packets do
|
||||
prune_oldest_packets(new_historical, @max_historical_packets)
|
||||
else
|
||||
new_historical
|
||||
end
|
||||
|
||||
socket = assign(socket, historical_packets: new_historical)
|
||||
|
||||
# If this is the final batch, update the heat map
|
||||
|
|
@ -1812,6 +1921,19 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
# Update progress for user feedback
|
||||
socket = assign(socket, loading_batch: batch_offset + 1)
|
||||
|
||||
# Mark loading as complete if this was the final batch
|
||||
socket =
|
||||
if is_final_batch do
|
||||
assign(socket, historical_loading: false)
|
||||
else
|
||||
socket
|
||||
end
|
||||
|
||||
# Process any pending bounds update if loading is complete
|
||||
if is_final_batch && socket.assigns.pending_bounds do
|
||||
send(self(), {:process_pending_bounds})
|
||||
end
|
||||
|
||||
socket
|
||||
else
|
||||
socket
|
||||
|
|
@ -1829,24 +1951,30 @@ defmodule AprsmeWeb.MapLive.Index 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_coordinate_bounds(lat, lon, bounds)
|
||||
end
|
||||
|
||||
# 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
|
||||
defp check_coordinate_bounds(nil, _, _), do: false
|
||||
defp check_coordinate_bounds(_, nil, _), do: false
|
||||
|
||||
lat_in_bounds && lng_in_bounds
|
||||
end
|
||||
defp check_coordinate_bounds(lat, lon, bounds) do
|
||||
# Check latitude bounds (straightforward)
|
||||
lat_in_bounds = lat >= bounds.south && lat <= bounds.north
|
||||
|
||||
# Check longitude bounds (handle potential wrapping)
|
||||
lng_in_bounds = check_longitude_bounds(lon, bounds.west, bounds.east)
|
||||
|
||||
lat_in_bounds && lng_in_bounds
|
||||
end
|
||||
|
||||
defp check_longitude_bounds(lon, west, east) when west <= east do
|
||||
# Normal case: bounds don't cross antimeridian
|
||||
lon >= west && lon <= east
|
||||
end
|
||||
|
||||
defp check_longitude_bounds(lon, west, east) do
|
||||
# Bounds cross antimeridian (e.g., west=170, east=-170)
|
||||
lon >= west || lon <= east
|
||||
end
|
||||
|
||||
# Helper functions to reduce duplicate filtering logic
|
||||
|
|
@ -1906,46 +2034,49 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
Process.cancel_timer(socket.assigns.bounds_update_timer)
|
||||
end
|
||||
|
||||
# Clean up any pending batch tasks
|
||||
if socket.assigns[:pending_batch_tasks] do
|
||||
Enum.each(socket.assigns.pending_batch_tasks, &Process.cancel_timer/1)
|
||||
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(nil, nil), do: true
|
||||
defp compare_bounds(nil, _), do: false
|
||||
defp compare_bounds(_, nil), do: false
|
||||
defp compare_bounds(b1, b2), do: compare_bounds_maps(b1, b2)
|
||||
|
||||
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))
|
||||
round_to_4_places(Map.get(b1, key)) == round_to_4_places(Map.get(b2, key))
|
||||
end)
|
||||
end
|
||||
|
||||
defp round_to_4_places(n) when is_float(n), do: Float.round(n, 4)
|
||||
defp round_to_4_places(n) when is_integer(n), do: n * 1.0
|
||||
defp round_to_4_places(x), do: x
|
||||
|
||||
# --- 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 = MapHelpers.normalize_bounds(bounds)
|
||||
|
||||
# Validate bounds to prevent invalid coordinates
|
||||
if valid_bounds?(map_bounds) do
|
||||
handle_valid_bounds_update(map_bounds, socket)
|
||||
# Skip if we're currently loading historical data
|
||||
if socket.assigns.historical_loading do
|
||||
# Defer the bounds update
|
||||
{:noreply, assign(socket, pending_bounds: bounds)}
|
||||
else
|
||||
# Invalid bounds, skip update
|
||||
{:noreply, socket}
|
||||
# Update the map bounds from the client, converting to atom keys
|
||||
map_bounds = MapHelpers.normalize_bounds(bounds)
|
||||
|
||||
# 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
|
||||
end
|
||||
|
||||
|
|
@ -1977,7 +2108,7 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
Process.cancel_timer(socket.assigns.bounds_update_timer)
|
||||
end
|
||||
|
||||
timer_ref = Process.send_after(self(), {:process_bounds_update, map_bounds}, 100)
|
||||
timer_ref = Process.send_after(self(), {:process_bounds_update, map_bounds}, 300)
|
||||
socket = assign(socket, bounds_update_timer: timer_ref, pending_bounds: map_bounds)
|
||||
{:noreply, socket}
|
||||
end
|
||||
|
|
@ -2154,6 +2285,35 @@ defmodule AprsmeWeb.MapLive.Index do
|
|||
|
||||
defp get_path_station_positions(_, _), do: []
|
||||
|
||||
# Memory management helpers
|
||||
defp prune_oldest_packets(packets_map, max_size) when map_size(packets_map) > max_size do
|
||||
# Convert to list and sort by received_at timestamp
|
||||
sorted_packets =
|
||||
packets_map
|
||||
|> Enum.sort_by(
|
||||
fn {_id, packet} ->
|
||||
get_packet_timestamp(packet)
|
||||
end,
|
||||
{:desc, DateTime}
|
||||
)
|
||||
|> Enum.take(max_size)
|
||||
|> Map.new()
|
||||
|
||||
sorted_packets
|
||||
end
|
||||
|
||||
defp prune_oldest_packets(packets_map, _max_size), do: packets_map
|
||||
|
||||
defp get_packet_timestamp(%{received_at: timestamp}), do: timestamp
|
||||
defp get_packet_timestamp(%{"received_at" => timestamp}), do: timestamp
|
||||
defp get_packet_timestamp(_), do: DateTime.utc_now()
|
||||
|
||||
# Validate callsign format for security
|
||||
defp valid_callsign?(callsign) do
|
||||
# APRS callsign pattern: 1-2 letters, 1 digit, 0-3 letters, optional -SSID
|
||||
Regex.match?(~r/^[A-Z]{1,2}\d[A-Z]{0,3}(-\d{1,2})?$/, callsign)
|
||||
end
|
||||
|
||||
# Check if a callsign is an APRS built-in beacon pattern
|
||||
@spec aprs_beacon?(String.t()) :: boolean()
|
||||
defp aprs_beacon?(callsign) do
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue