Graham McIntire
ac3a2517d9
New LiveView at /weather-ca duplicates the /weather UI but defaults the viewport to central Canada (55N, -100W, z=4) and renders the map div with data-source="hrdps". The JS hook reads that attribute and appends &source=hrdps to every cell fetch; the WeatherTileController routes those reads through Weather.weather_grid_hrdps_at/2, which only reads the <vt>.hrdps scalar dir and skips HRRR merging entirely. Timeline is sourced from ScalarFile.list_valid_times_hrdps/0 so HRDPS-only hours show up even when no HRRR file exists for the same valid_time. Also drops "— Unified" from the algo.md H1.
600 lines
21 KiB
Elixir
600 lines
21 KiB
Elixir
defmodule MicrowavepropWeb.WeatherCaMapLive do
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@moduledoc """
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`/weather-ca` — sibling of `/weather` that shows ONLY HRDPS-derived
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Canadian fields. Same UI, same JS hook, same layer set — but the cell
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fetch is filtered to `source=hrdps` and the timeline is sourced from
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`<vt>.hrdps` scalar dirs only. Defaults the viewport to central Canada.
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"""
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use MicrowavepropWeb, :live_view
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alias Microwaveprop.Weather
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alias Microwaveprop.Weather.MapLayers
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@layers MapLayers.all()
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@default_layer MapLayers.default_id()
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# Default map viewport — central Canada at z=4 so the user lands on
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# the HRDPS coverage area, not DFW.
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@default_center_lat 55.0
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@default_center_lon -100.0
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@default_zoom 4
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@min_zoom 4
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@max_zoom 10
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@impl true
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def mount(params, _session, socket) do
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_ =
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if connected?(socket) do
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:ok = Phoenix.PubSub.subscribe(Microwaveprop.PubSub, "weather:updated")
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Phoenix.PubSub.subscribe(Microwaveprop.PubSub, "propagation:pipeline")
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end
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valid_times = recent_valid_times(Weather.available_hrdps_valid_times())
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initial_vt = pick_initial_valid_time(valid_times)
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{lat, lon, zoom} = parse_viewport_params(params)
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{:ok,
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assign(socket,
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page_title: "Canadian Weather Map",
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layers: @layers,
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selected_layer: @default_layer,
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valid_time: initial_vt,
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valid_times: valid_times,
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initial_valid_times_json: Jason.encode!(Enum.map(valid_times, &DateTime.to_iso8601/1)),
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initial_selected_time: initial_vt && DateTime.to_iso8601(initial_vt),
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initial_utc_clock: Calendar.strftime(DateTime.utc_now(), "%H:%M UTC"),
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initial_center_lat: lat,
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initial_center_lon: lon,
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initial_zoom: zoom,
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current_lat: lat,
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current_lon: lon,
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current_zoom: zoom,
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grid_visible: false,
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radar_visible: false
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)}
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end
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@impl true
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def handle_params(params, _uri, socket) do
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selected = pick_layer(params["layer"], socket.assigns[:selected_layer])
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{lat, lon, zoom} = parse_viewport_params(params)
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{:noreply,
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socket
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|> assign(:selected_layer, selected)
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|> assign(:current_lat, lat)
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|> assign(:current_lon, lon)
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|> assign(:current_zoom, zoom)}
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end
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defp pick_layer(layer, current) when is_binary(layer) do
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if MapLayers.valid_id?(layer), do: layer, else: pick_layer(nil, current)
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end
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defp pick_layer(_layer, current) when is_binary(current), do: current
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defp pick_layer(_layer, _current), do: @default_layer
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defp parse_viewport_params(params) do
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lat = parse_float_param(params["lat"], -90.0, 90.0, @default_center_lat)
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lon = parse_float_param(params["lon"], -180.0, 180.0, @default_center_lon)
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zoom =
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case Integer.parse(params["zoom"] || "") do
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{z, ""} when z >= @min_zoom and z <= @max_zoom -> z
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_ -> @default_zoom
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end
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{lat, lon, zoom}
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end
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defp parse_float_param(value, min, max, default) when is_binary(value) do
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case Float.parse(value) do
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{f, ""} when f >= min and f <= max -> f
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_ -> default
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end
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end
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defp parse_float_param(_value, _min, _max, default), do: default
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defp pick_initial_valid_time([]), do: nil
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defp pick_initial_valid_time(valid_times) do
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now = DateTime.utc_now()
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Enum.min_by(valid_times, fn vt -> abs(DateTime.diff(vt, now, :second)) end)
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end
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# Drop valid_times older than one hour. HRDPS cycles run 4×/day and
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# the chain seeder writes one row per hour, so the on-disk set can
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# span many old hours; the user wants "now", not yesterday.
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defp recent_valid_times(valid_times) do
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cutoff = DateTime.add(DateTime.utc_now(), -3600, :second)
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Enum.filter(valid_times, fn vt -> DateTime.compare(vt, cutoff) != :lt end)
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end
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defp build_path(socket, overrides \\ []) do
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layer = Keyword.get(overrides, :layer, socket.assigns.selected_layer)
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lat = Keyword.get(overrides, :lat, socket.assigns.current_lat)
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lon = Keyword.get(overrides, :lon, socket.assigns.current_lon)
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zoom = Keyword.get(overrides, :zoom, socket.assigns.current_zoom)
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query =
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URI.encode_query([
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{"layer", layer},
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{"lat", lat},
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{"lon", lon},
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{"zoom", zoom}
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])
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"/weather-ca?#{query}"
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end
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@impl true
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def handle_event("select_layer", %{"layer" => layer_id}, socket) do
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if MapLayers.valid_id?(layer_id) do
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{:noreply, push_patch(socket, to: build_path(socket, layer: layer_id))}
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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_event("viewport_changed", %{"lat" => lat, "lon" => lon, "zoom" => zoom}, socket)
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when is_number(lat) and is_number(lon) and is_number(zoom) do
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new_lat = lat |> max(-90.0) |> min(90.0) |> Float.round(4)
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new_lon = lon |> max(-180.0) |> min(180.0) |> Float.round(4)
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new_zoom = zoom |> max(@min_zoom) |> min(@max_zoom) |> trunc()
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socket =
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socket
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|> assign(:current_lat, new_lat)
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|> assign(:current_lon, new_lon)
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|> assign(:current_zoom, new_zoom)
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{:noreply, push_patch(socket, to: build_path(socket), replace: true)}
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end
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def handle_event("viewport_changed", _params, socket), do: {:noreply, socket}
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def handle_event("toggle_grid", _params, socket) do
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visible = !socket.assigns.grid_visible
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socket =
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socket
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|> assign(:grid_visible, visible)
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|> push_event("toggle_grid", %{visible: visible})
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{:noreply, socket}
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end
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def handle_event("toggle_radar", _params, socket) do
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visible = !socket.assigns.radar_visible
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socket =
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socket
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|> assign(:radar_visible, visible)
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|> push_event("toggle_radar", %{visible: visible})
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{:noreply, socket}
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end
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def handle_event("select_time", %{"time" => time_str}, socket) do
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with {:ok, time, _} <- DateTime.from_iso8601(time_str),
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true <- time in socket.assigns.valid_times do
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socket =
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socket
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|> assign(:valid_time, time)
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|> push_event("update_weather_overlay", %{selected: DateTime.to_iso8601(time)})
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{:noreply, 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_event("point_detail", %{"lat" => lat, "lon" => lon}, socket) do
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detail =
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if socket.assigns.valid_time do
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Weather.weather_point_detail(lat, lon, socket.assigns.valid_time)
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end
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payload = detail || %{}
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{:noreply, push_event(socket, "point_detail", payload)}
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end
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@impl true
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def handle_info({:weather_updated, _valid_time}, socket) do
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valid_times = recent_valid_times(Weather.available_hrdps_valid_times())
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selected =
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cond do
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socket.assigns.valid_time in valid_times -> socket.assigns.valid_time
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valid_times != [] -> List.last(valid_times)
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true -> nil
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end
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socket =
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socket
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|> assign(:valid_times, valid_times)
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|> assign(:valid_time, selected)
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|> push_event("update_weather_overlay", %{selected: selected && DateTime.to_iso8601(selected)})
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|> push_event("update_timeline", %{
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times: Enum.map(valid_times, &DateTime.to_iso8601/1),
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selected: selected && DateTime.to_iso8601(selected)
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})
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{:noreply, socket}
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end
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def handle_info({:propagation_pipeline_progress, _progress}, socket) do
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valid_times = recent_valid_times(Weather.available_hrdps_valid_times())
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if valid_times == socket.assigns.valid_times do
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{:noreply, socket}
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else
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socket =
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socket
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|> assign(:valid_times, valid_times)
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|> push_event("update_timeline", %{
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times: Enum.map(valid_times, &DateTime.to_iso8601/1),
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selected: socket.assigns.valid_time && DateTime.to_iso8601(socket.assigns.valid_time)
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})
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{:noreply, socket}
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end
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end
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@group_order ["Surface", "Upper Air", "Ducting"]
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defp group_layers(layers) do
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layers
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|> Enum.group_by(& &1.group)
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|> Enum.sort_by(fn {group, _} -> Enum.find_index(@group_order, &(&1 == group)) || 99 end)
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end
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defp layer_description(layers, selected_id) do
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case Enum.find(layers, &(&1.id == selected_id)) do
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%{desc: desc} -> desc
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_ -> nil
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end
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end
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defp selected_layer_label(layers, selected_id) do
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case Enum.find(layers, &(&1.id == selected_id)) do
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%{label: label} -> label
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_ -> ""
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end
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end
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defp selected_layer_group_label(layers, selected_id) do
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case Enum.find(layers, &(&1.id == selected_id)) do
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%{group: group} -> group
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_ -> ""
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end
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end
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@impl true
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def render(assigns) do
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~H"""
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<div class="flex w-screen h-screen overflow-hidden">
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<div class="relative flex-1 min-w-0">
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<div
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id="weather-map"
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phx-hook="WeatherMap"
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phx-update="ignore"
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data-layers={Jason.encode!(@layers)}
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data-selected-layer={@selected_layer}
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data-valid-times={@initial_valid_times_json}
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data-selected-time={@initial_selected_time}
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data-initial-lat={@initial_center_lat}
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data-initial-lon={@initial_center_lon}
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data-initial-zoom={@initial_zoom}
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data-source="hrdps"
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class="absolute inset-0 z-0"
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>
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</div>
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<div
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id="weather-forecast-timeline"
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phx-update="ignore"
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class="absolute bottom-2 left-1/2 -translate-x-1/2 z-[1000] max-w-[calc(100vw-1rem)] md:bottom-4"
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>
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</div>
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<div
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id="weather-controls"
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class="md:hidden absolute top-2 left-12 z-[1000] flex flex-col gap-2 max-w-[calc(100vw-4rem)]"
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>
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<div
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data-theme="dark"
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class="bg-neutral text-neutral-content shadow rounded-box border border-base-300 p-2 flex flex-col gap-2"
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>
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<div class="font-bold text-sm leading-tight px-1 flex items-center justify-between gap-2">
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<div class="min-w-0">
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<span>NTMS</span>
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<div class="font-normal text-xs opacity-70">Canadian Weather Map</div>
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<div class="font-normal text-[10px] opacity-60">
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<%= if @valid_time do %>
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{Calendar.strftime(@valid_time, "%Y-%m-%d %H:%M UTC")}
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<% else %>
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No data available
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<% end %>
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</div>
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</div>
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<div class="flex items-center gap-1.5 shrink-0">
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<div
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id="weather-utc-clock-mobile"
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phx-hook="UtcClock"
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phx-update="ignore"
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class="font-mono text-xs opacity-70 tabular-nums"
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>
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{@initial_utc_clock}
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</div>
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<button
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id="weather-mobile-panel-toggle"
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class="btn btn-xs btn-square btn-ghost"
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onclick="document.getElementById('weather-panel-extras').classList.toggle('hidden')"
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>
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<.icon name="hero-bars-3" class="size-4" />
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</button>
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</div>
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</div>
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<div id="weather-panel-extras" class="hidden flex-col gap-2">
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<div class="flex flex-col gap-1.5">
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<div :for={{group, layers} <- group_layers(@layers)}>
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<div class="text-[10px] font-semibold opacity-50 uppercase tracking-wider px-1 mb-0.5">
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{group}
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</div>
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<div class="flex flex-wrap gap-1">
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<button
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:for={layer <- layers}
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phx-click="select_layer"
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phx-value-layer={layer.id}
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class={[
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"btn btn-xs rounded-full",
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if(@selected_layer == layer.id, do: "btn-primary", else: "btn-ghost")
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]}
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>
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{layer.label}
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</button>
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</div>
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</div>
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</div>
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<div class="text-[11px] opacity-70 px-1 leading-snug">
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{layer_description(@layers, @selected_layer)}
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</div>
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<div class="flex flex-col gap-1 border-t border-base-300 pt-2">
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<label class="flex items-center gap-2 cursor-pointer px-1">
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<input
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type="checkbox"
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class="toggle toggle-sm toggle-primary"
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checked={@grid_visible}
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phx-click="toggle_grid"
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/>
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<span class="text-sm">Grid squares</span>
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</label>
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<label class="flex items-center gap-2 cursor-pointer px-1">
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<input
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type="checkbox"
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class="toggle toggle-sm toggle-primary"
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checked={@radar_visible}
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phx-click="toggle_radar"
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/>
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<span class="text-sm">Weather radar</span>
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</label>
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</div>
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<div class="flex flex-col gap-1 border-t border-base-300 pt-2">
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<.link navigate="/weather" class="btn btn-xs btn-ghost justify-start">
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US Weather Map
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</.link>
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<.link navigate="/map" class="btn btn-xs btn-ghost justify-start">
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Propagation Map
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</.link>
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<.link navigate="/path" class="btn btn-xs btn-ghost justify-start">
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Path Calculator
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</.link>
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<.link navigate="/eme" class="btn btn-xs btn-ghost justify-start">
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EME
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</.link>
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<.link navigate="/beacons" class="btn btn-xs btn-ghost justify-start">
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Beacons
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</.link>
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<.link navigate="/submit" class="btn btn-xs btn-ghost justify-start">
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Submit a Contact
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</.link>
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<.link navigate="/contacts" class="btn btn-xs btn-ghost justify-start">
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Contact Training Data
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</.link>
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<.link navigate="/contacts/map" class="btn btn-xs btn-ghost justify-start">
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Contact Map
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</.link>
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<.link navigate="/algo" class="btn btn-xs btn-ghost justify-start">
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Scoring Algorithm
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</.link>
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<.link navigate="/about" class="btn btn-xs btn-ghost justify-start">
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About
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</.link>
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</div>
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</div>
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</div>
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</div>
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<div
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id="weather-detail-panel"
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phx-update="ignore"
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class={[
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"bg-neutral text-neutral-content shadow-lg border border-base-300 overflow-hidden overflow-y-auto z-[1001]",
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"fixed bottom-0 left-0 right-0 max-h-[50vh] rounded-t-2xl",
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"md:absolute md:top-auto md:right-auto md:bottom-4 md:left-3 md:max-h-[70vh] md:w-80 md:rounded-box"
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]}
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style="display:none;"
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>
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</div>
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<button
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id="weather-sidebar-expand"
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class="hidden md:hidden absolute top-3 right-3 z-[1000] btn btn-sm btn-neutral shadow-lg"
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onclick="document.getElementById('weather-sidebar').style.display='flex';this.style.display='none';window.dispatchEvent(new Event('sidebar-toggle'));"
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>
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<.icon name="hero-bars-3" class="size-4" />
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</button>
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</div>
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<div
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id="weather-sidebar"
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data-theme="dark"
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class="hidden md:flex flex-col w-56 shrink-0 h-full bg-neutral text-neutral-content border-l border-base-300 overflow-hidden"
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>
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<div class="p-3 flex flex-col gap-2 shrink-0 overflow-y-auto flex-1">
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<div class="font-bold text-sm leading-tight px-1 flex items-center justify-between gap-2">
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<div class="min-w-0">
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<span>NTMS</span>
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<div class="font-normal text-xs opacity-70">Canadian Weather Map</div>
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<div class="font-normal text-[10px] opacity-60">
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<%= if @valid_time do %>
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{Calendar.strftime(@valid_time, "%Y-%m-%d %H:%M UTC")}
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<% else %>
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No data available
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<% end %>
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</div>
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</div>
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<div class="flex items-center gap-1.5 shrink-0">
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<div
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id="weather-utc-clock-desktop"
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phx-hook="UtcClock"
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phx-update="ignore"
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class="font-mono text-xs opacity-70 tabular-nums"
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>
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{@initial_utc_clock}
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</div>
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<button
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id="weather-sidebar-collapse"
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class="btn btn-xs btn-square btn-ghost"
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title="Collapse sidebar"
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onclick="document.getElementById('weather-sidebar').style.display='none';document.getElementById('weather-sidebar-expand').style.display='flex';window.dispatchEvent(new Event('sidebar-toggle'));"
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>
|
||
<.icon name="hero-chevron-right" class="size-4" />
|
||
</button>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="flex flex-col gap-1.5">
|
||
<div :for={{group, layers} <- group_layers(@layers)}>
|
||
<div class="text-[10px] font-semibold opacity-50 uppercase tracking-wider px-1 mb-0.5">
|
||
{group}
|
||
</div>
|
||
<div class="flex flex-wrap gap-1">
|
||
<button
|
||
:for={layer <- layers}
|
||
phx-click="select_layer"
|
||
phx-value-layer={layer.id}
|
||
class={[
|
||
"btn btn-xs rounded-full",
|
||
if(@selected_layer == layer.id, do: "btn-primary", else: "btn-ghost")
|
||
]}
|
||
>
|
||
{layer.label}
|
||
</button>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<div class="px-1">
|
||
<div class="text-[10px] font-semibold uppercase tracking-wider opacity-60 mb-1">
|
||
{selected_layer_group_label(@layers, @selected_layer)} · {selected_layer_label(
|
||
@layers,
|
||
@selected_layer
|
||
)}
|
||
</div>
|
||
<div class="text-[11px] opacity-70 leading-snug">
|
||
{layer_description(@layers, @selected_layer)}
|
||
</div>
|
||
</div>
|
||
|
||
<div class="flex flex-col gap-1 border-t border-base-300 pt-2">
|
||
<label class="flex items-center gap-2 cursor-pointer px-1">
|
||
<input
|
||
type="checkbox"
|
||
class="toggle toggle-sm toggle-primary"
|
||
checked={@grid_visible}
|
||
phx-click="toggle_grid"
|
||
/>
|
||
<span class="text-sm">Grid squares</span>
|
||
</label>
|
||
<label class="flex items-center gap-2 cursor-pointer px-1">
|
||
<input
|
||
type="checkbox"
|
||
class="toggle toggle-sm toggle-primary"
|
||
checked={@radar_visible}
|
||
phx-click="toggle_radar"
|
||
/>
|
||
<span class="text-sm">Weather radar</span>
|
||
</label>
|
||
</div>
|
||
|
||
<ul class="menu menu-xs border-t border-base-300 pt-2 px-0">
|
||
<li>
|
||
<.link navigate="/weather">US Weather Map</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/map">Propagation Map</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/path">Path Calculator</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/eme">EME</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/beacons">Beacons</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/submit">Submit a Contact</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/contacts">Contact Training Data</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/contacts/map">Contact Map</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/algo">Scoring Algorithm</.link>
|
||
</li>
|
||
<li>
|
||
<.link navigate="/about">About</.link>
|
||
</li>
|
||
</ul>
|
||
|
||
<ul class="menu menu-xs border-t border-base-300 pt-2 px-0">
|
||
<%= if @current_scope && @current_scope.user do %>
|
||
<li>
|
||
<.link navigate={~p"/u/#{@current_scope.user.callsign}"} class="font-semibold">
|
||
{@current_scope.user.callsign}
|
||
</.link>
|
||
</li>
|
||
<li>
|
||
<.link href={~p"/users/settings"}>Settings</.link>
|
||
</li>
|
||
<li>
|
||
<.link href={~p"/users/log-out"} method="delete">Log out</.link>
|
||
</li>
|
||
<% else %>
|
||
<li>
|
||
<.link href={~p"/users/register"}>Register</.link>
|
||
</li>
|
||
<li>
|
||
<.link href={~p"/users/log-in"}>Log in</.link>
|
||
</li>
|
||
<% end %>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
<Layouts.flash_group flash={@flash} />
|
||
"""
|
||
end
|
||
end
|