127 lines
3.7 KiB
Elixir
127 lines
3.7 KiB
Elixir
defmodule AprsWeb.Api.V1.CallsignJSON do
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@moduledoc """
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Renders callsign and packet data for API v1.
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"""
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alias Aprs.Packet
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def render("show.json", %{packet: packet}) do
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%{data: packet_json(packet)}
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end
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def render("index.json", %{packets: packets}) do
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%{data: Enum.map(packets, &packet_json/1)}
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end
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def render("not_found.json", %{callsign: callsign}) do
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%{
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data: nil,
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message: "No packets found for callsign #{callsign}"
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}
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end
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defp packet_json(%Packet{} = packet) do
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%{
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id: packet.id,
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callsign: format_callsign(packet.base_callsign, packet.ssid),
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base_callsign: packet.base_callsign,
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ssid: packet.ssid,
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sender: packet.sender,
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destination: packet.destination,
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path: packet.path,
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data_type: packet.data_type,
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information_field: packet.information_field,
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raw_packet: packet.raw_packet,
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received_at: packet.received_at,
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region: packet.region,
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position: position_json(packet),
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symbol: symbol_json(packet),
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comment: packet.comment,
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timestamp: packet.timestamp,
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aprs_messaging: packet.aprs_messaging,
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weather: weather_json(packet),
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equipment: equipment_json(packet),
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message: message_json(packet),
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has_position: packet.has_position,
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inserted_at: packet.inserted_at,
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updated_at: packet.updated_at
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}
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end
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defp format_callsign(base_callsign, nil), do: base_callsign
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defp format_callsign(base_callsign, "0"), do: base_callsign
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defp format_callsign(base_callsign, ssid), do: "#{base_callsign}-#{ssid}"
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defp position_json(%Packet{has_position: false}), do: nil
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defp position_json(%Packet{lat: nil, lon: nil}), do: nil
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defp position_json(%Packet{} = packet) do
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base_position = %{
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latitude: to_float(packet.lat),
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longitude: to_float(packet.lon)
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}
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# Add course, speed, and altitude if available
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base_position
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|> maybe_add(:course, packet.course)
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|> maybe_add(:speed, packet.speed)
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|> maybe_add(:altitude, packet.altitude)
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end
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defp symbol_json(%Packet{symbol_code: nil, symbol_table_id: nil}), do: nil
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defp symbol_json(%Packet{} = packet) do
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%{
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code: packet.symbol_code,
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table_id: packet.symbol_table_id
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}
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end
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defp weather_json(%Packet{} = packet) do
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weather_data =
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%{}
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|> maybe_add(:temperature, packet.temperature)
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|> maybe_add(:humidity, packet.humidity)
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|> maybe_add(:wind_speed, packet.wind_speed)
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|> maybe_add(:wind_direction, packet.wind_direction)
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|> maybe_add(:wind_gust, packet.wind_gust)
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|> maybe_add(:pressure, packet.pressure)
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|> maybe_add(:rain_1h, packet.rain_1h)
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|> maybe_add(:rain_24h, packet.rain_24h)
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|> maybe_add(:rain_since_midnight, packet.rain_since_midnight)
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case weather_data do
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empty when empty == %{} -> nil
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data -> data
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end
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end
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defp equipment_json(%Packet{} = packet) do
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equipment_data =
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%{}
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|> maybe_add(:manufacturer, packet.manufacturer)
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|> maybe_add(:equipment_type, packet.equipment_type)
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case equipment_data do
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empty when empty == %{} -> nil
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data -> data
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end
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end
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defp message_json(%Packet{addressee: nil, message_text: nil, message_number: nil}), do: nil
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defp message_json(%Packet{} = packet) do
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%{}
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|> maybe_add(:addressee, packet.addressee)
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|> maybe_add(:text, packet.message_text)
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|> maybe_add(:number, packet.message_number)
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end
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defp maybe_add(map, _key, nil), do: map
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defp maybe_add(map, _key, ""), do: map
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defp maybe_add(map, key, value), do: Map.put(map, key, value)
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defp to_float(%Decimal{} = decimal), do: Decimal.to_float(decimal)
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defp to_float(value) when is_number(value), do: value
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defp to_float(_), do: nil
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end
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