123 lines
3.1 KiB
Elixir
123 lines
3.1 KiB
Elixir
defmodule Mobilizon.Addresses.Address do
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@moduledoc """
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Represents an address for an event or a group.
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"""
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use Ecto.Schema
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import Ecto.Changeset
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alias Mobilizon.Events.Event
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alias Mobilizon.Web.Endpoint
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@type t :: %__MODULE__{
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country: String.t() | nil,
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locality: String.t() | nil,
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region: String.t() | nil,
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description: String.t() | nil,
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geom: Geo.Point.t() | nil,
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postal_code: String.t() | nil,
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street: String.t() | nil,
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type: String.t() | nil,
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url: String.t(),
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origin_id: String.t() | nil,
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events: [Event.t()],
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timezone: String.t() | nil
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}
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@required_attrs [:url]
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@optional_attrs [
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:description,
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:geom,
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:country,
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:locality,
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:region,
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:postal_code,
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:street,
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:origin_id,
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:type,
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:timezone
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]
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@attrs @required_attrs ++ @optional_attrs
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schema "addresses" do
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field(:country, :string)
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field(:locality, :string)
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field(:region, :string)
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field(:description, :string)
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field(:geom, Geo.PostGIS.Geometry)
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field(:postal_code, :string)
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field(:street, :string)
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field(:type, :string)
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field(:url, :string)
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field(:origin_id, :string)
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field(:timezone, :string)
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has_many(:events, Event, foreign_key: :physical_address_id)
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timestamps()
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end
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@doc false
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@spec changeset(t | Ecto.Schema.t(), map) :: Ecto.Changeset.t()
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def changeset(%__MODULE__{} = address, attrs) do
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address
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|> cast(attrs, @attrs)
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|> maybe_set_timezone()
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|> set_url()
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|> validate_required(@required_attrs)
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|> unique_constraint(:url, name: :addresses_url_index)
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end
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@spec set_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
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defp set_url(%Ecto.Changeset{changes: changes} = changeset) do
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url = Map.get(changes, :url, "#{Endpoint.url()}/address/#{Ecto.UUID.generate()}")
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put_change(changeset, :url, url)
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end
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@spec coords(nil | t) :: nil | {float, float}
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def coords(nil), do: nil
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def coords(%__MODULE__{} = address) do
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with %Geo.Point{coordinates: {longitude, latitude}, srid: 4326} <- address.geom do
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{latitude, longitude}
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end
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end
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@spec representation(nil | t) :: nil | String.t()
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def representation(nil), do: nil
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def representation(%__MODULE__{} = address) do
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String.trim(
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"#{address.street} #{address.postal_code} #{address.locality} #{address.region} #{address.country}"
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)
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end
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@spec maybe_set_timezone(Ecto.Changeset.t()) :: Ecto.Changeset.t()
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defp maybe_set_timezone(%Ecto.Changeset{} = changeset) do
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case get_change(changeset, :geom) do
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nil ->
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changeset
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geom ->
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case get_field(changeset, :timezone) do
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# Only update the timezone if the geom has change and we don't already have a set timezone
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nil -> put_change(changeset, :timezone, timezone(geom))
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_ -> changeset
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end
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end
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end
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@spec timezone(Geo.PostGIS.Geometry.t() | nil) :: String.t() | nil
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defp timezone(nil), do: nil
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defp timezone(geom) do
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case TzWorld.timezone_at(geom) do
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{:ok, tz} -> tz
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{:error, _err} -> nil
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end
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end
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end
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