init: inital commit

lib/localiser/domain/schema/room.ex

@@ -0,0 +1,28 @@
+defmodule Localiser.Domain.Schema.Room do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  alias Localiser.Domain.Schema.Floor
+  alias Localiser.Domain.Schema.Sensor
+
+  schema "rooms" do
+    field :name, :string
+    field :width, :float
+    field :height, :float
+    field :offset_x, :float
+    field :offset_y, :float
+
+    belongs_to :floor, Floor
+    has_many :sensors, Sensor
+
+    timestamps(type: :utc_datetime)
+  end
+
+  @doc false
+  def changeset(room, attrs) do
+    room
+    |> cast(attrs, [:name, :floor_id, :width, :height, :offset_x, :offset_y])
+    |> validate_required([:name, :floor_id])
+    |> assoc_constraint(:floor)
+  end
+end