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surgex
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4.8.0
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All Things Elixir @ Surge Ventures Inc, the creators of Fresha
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lib/surgex/parser/parsers/geobox_parser.ex
defmodule Surgex.Parser.GeoboxParser do
@moduledoc false
alias Surgex.Parser.{Geobox, GeolocationParser}
def call(nil), do: {:ok, nil}
def call(input) when is_binary(input) do
with [lat_ne, lng_ne, lat_sw, lng_sw] <- String.split(input, ","),
{:ok, ne} <- GeolocationParser.call({lat_ne, lng_ne}),
{:ok, sw} <- GeolocationParser.call({lat_sw, lng_sw}),
true <- valid_box?(ne, sw) do
{:ok, %Geobox{north_east: ne, south_west: sw}}
else
split_result when is_list(split_result) -> {:error, :invalid_geobox_tuple}
false -> {:error, :invalid_geobox}
{:error, reason} -> {:error, reason}
end
end
defp valid_box?(north_east, south_west) do
north_east.latitude - south_west.latitude > 0
end
end