debianize-mobilizon/lib/mobilizon/addresses/address.ex

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defmodule Mobilizon.Addresses.Address do
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@moduledoc """
Represents an address for an event or a group.
"""
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__{
country: String.t(),
locality: String.t(),
region: String.t(),
description: String.t(),
geom: Geo.PostGIS.Geometry.t(),
postal_code: String.t(),
street: String.t(),
type: String.t(),
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url: String.t(),
origin_id: String.t(),
events: [Event.t()]
}
@required_attrs [:url]
@optional_attrs [
:description,
:geom,
:country,
:locality,
:region,
:postal_code,
:street,
:origin_id,
:type
]
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@attrs @required_attrs ++ @optional_attrs
schema "addresses" do
field(:country, :string)
field(:locality, :string)
field(:region, :string)
field(:description, :string)
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field(:geom, Geo.PostGIS.Geometry)
field(:postal_code, :string)
field(:street, :string)
field(:type, :string)
field(:url, :string)
field(:origin_id, :string)
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has_many(:events, Event, foreign_key: :physical_address_id)
timestamps()
end
@doc false
@spec changeset(t | Ecto.Schema.t(), map) :: Ecto.Changeset.t()
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def changeset(%__MODULE__{} = address, attrs) do
address
|> cast(attrs, @attrs)
|> set_url()
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|> validate_required(@required_attrs)
|> unique_constraint(:url, name: :addresses_url_index)
end
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@spec set_url(Ecto.Changeset.t()) :: Ecto.Changeset.t()
defp set_url(%Ecto.Changeset{changes: changes} = changeset) do
url = Map.get(changes, :url, "#{Endpoint.url()}/address/#{Ecto.UUID.generate()}")
put_change(changeset, :url, url)
end
@spec coords(nil | t) :: nil | {float, float}
def coords(nil), do: nil
def coords(%__MODULE__{} = address) do
with %Geo.Point{coordinates: {longitude, latitude}, srid: 4326} <- address.geom do
{latitude, longitude}
end
end
@spec representation(nil | t) :: nil | String.t()
def representation(nil), do: nil
def representation(%__MODULE__{} = address) do
String.trim(
"#{address.street} #{address.postal_code} #{address.locality} #{address.region} #{address.country}"
)
end
end