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Contact detail link to open in Path Calculator

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Adds an "Open in Path Calculator" action to the contact detail
header. The link navigates to /path with source/destination prefilled
(preferring Maidenhead grids over station callsigns, since grids
are exact and callsigns go through a QRZ + geocoder round-trip)
and the contact's band selected. PathLive's handle_params already
auto-runs the calculation when source + destination are present,
so the user lands straight on the computed path ready to tweak
TX power, antenna heights, and gains.
This commit is contained in:
Graham McIntire 2026-04-12 17:13:05 -05:00
parent bcfda54897
commit 67d64109e6
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GPG key ID: F4ABF488E6029E59
1 changed files with 25 additions and 0 deletions
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25
lib/microwaveprop_web/live/contact_live/show.ex
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@ -721,6 +721,9 @@ defmodule MicrowavepropWeb.ContactLive.Show do
<.icon name="hero-flag" class="w-4 h-4" />
{if @contact.flagged_invalid, do: "Unflag", else: "Flag as Invalid"}
</button>
<.link navigate={path_calc_url(@contact)} class="btn btn-sm btn-outline">
<.icon name="hero-calculator" class="w-4 h-4" /> Open in Path Calculator
</.link>
<.link navigate={~p"/contacts"} class="btn btn-sm btn-ghost">
<.icon name="hero-arrow-left" class="w-4 h-4" /> Back to Contacts
</.link>
@ -2045,4 +2048,26 @@ defmodule MicrowavepropWeb.ContactLive.Show do
true -> "badge badge-sm badge-ghost"
end
end
defp path_calc_url(contact) do
source = prefer_grid(contact.grid1, contact.station1)
dest = prefer_grid(contact.grid2, contact.station2)
params = maybe_put_band(%{"source" => source, "destination" => dest}, contact.band)
"/path?" <> URI.encode_query(params)
end
defp prefer_grid(grid, _fallback) when is_binary(grid) and grid != "", do: grid
defp prefer_grid(_grid, fallback), do: fallback || ""
defp maybe_put_band(params, nil), do: params
defp maybe_put_band(params, %Decimal{} = band) do
Map.put(params, "band", Decimal.to_string(band, :normal))
end
defp maybe_put_band(params, band) when is_integer(band), do: Map.put(params, "band", Integer.to_string(band))
defp maybe_put_band(params, band) when is_binary(band), do: Map.put(params, "band", band)
defp maybe_put_band(params, _), do: params
end