91 lines
3 KiB
Elixir
91 lines
3 KiB
Elixir
defmodule AprsmeWeb.MapLive.Navigation do
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@moduledoc """
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Handles geolocation, callsign tracking, and map navigation functionality.
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"""
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import Phoenix.Component, only: [assign: 3]
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alias Aprsme.CachedQueries
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alias AprsmeWeb.MapLive.UrlParams
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alias AprsmeWeb.MapLive.Utils
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alias Phoenix.LiveView
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alias Phoenix.LiveView.Socket
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@doc """
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Determine map location based on URL parameters and IP geolocation.
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Returns {map_center, zoom, should_skip_initial_url_update}.
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"""
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@spec determine_map_location(map(), map()) :: {map(), integer(), boolean()}
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def determine_map_location(params, session) do
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{url_center, url_zoom} = UrlParams.parse_map_params(params)
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has_explicit_url_params = UrlParams.has_explicit_url_params?(params)
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case session["ip_geolocation"] do
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%{"lat" => lat, "lng" => lng} when is_number(lat) and is_number(lng) ->
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if has_explicit_url_params do
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{url_center, url_zoom, false}
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else
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{%{lat: lat, lng: lng}, 11, true}
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end
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_ ->
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{url_center, url_zoom, !has_explicit_url_params}
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end
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end
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@doc """
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Handle callsign tracking by finding the latest packet for the callsign.
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Returns {final_map_center, final_map_zoom}.
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"""
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@spec handle_callsign_tracking(binary(), map(), integer(), boolean()) :: {map(), integer()}
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def handle_callsign_tracking(tracked_callsign, map_center, map_zoom, has_explicit_url_params) do
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if tracked_callsign != "" and not has_explicit_url_params do
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case CachedQueries.get_latest_packet_for_callsign_cached(tracked_callsign) do
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%{lat: lat, lon: lon} when is_number(lat) and is_number(lon) ->
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{%{lat: lat, lng: lon}, 12}
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_ ->
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{map_center, map_zoom}
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end
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else
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{map_center, map_zoom}
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end
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end
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@doc """
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Handle callsign search with validation.
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"""
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@spec handle_callsign_search(binary(), Socket.t()) :: {:noreply, Socket.t()}
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def handle_callsign_search("", socket), do: {:noreply, socket}
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def handle_callsign_search(callsign, socket) do
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if Utils.valid_callsign?(callsign) do
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{:noreply, LiveView.push_navigate(socket, to: "/#{callsign}")}
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else
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{:noreply, LiveView.put_flash(socket, :error, "Invalid callsign format")}
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end
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end
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@doc """
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Update map center and zoom to specific location.
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"""
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@spec update_and_zoom_to_location(Socket.t(), float(), float(), integer()) :: Socket.t()
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def update_and_zoom_to_location(socket, lat, lng, zoom) do
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socket
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|> assign(:map_center, %{lat: lat, lng: lng})
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|> assign(:map_zoom, zoom)
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|> LiveView.push_event("zoom_to_location", %{lat: lat, lng: lng, zoom: zoom})
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end
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@doc """
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Zoom to current location stored in socket.
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"""
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@spec zoom_to_current_location(Socket.t()) :: Socket.t()
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def zoom_to_current_location(socket) do
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LiveView.push_event(socket, "zoom_to_location", %{
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lat: socket.assigns.map_center.lat,
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lng: socket.assigns.map_center.lng,
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zoom: socket.assigns.map_zoom
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})
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end
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end
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