zf

zenflows testing
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event_or_commitment.ex (1665B)

      1 # Zenflows is designed to implement the Valueflows vocabulary,
      2 # written and maintained by srfsh <info@dyne.org>.
      3 # Copyright (C) 2021-2022 Dyne.org foundation <foundation@dyne.org>.
      4 #
      5 # This program is free software: you can redistribute it and/or modify
      6 # it under the terms of the GNU Affero General Public License as published by
      7 # the Free Software Foundation, either version 3 of the License, or
      8 # (at your option) any later version.
      9 #
     10 # This program is distributed in the hope that it will be useful,
     11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13 # GNU Affero General Public License for more details.
     14 #
     15 # You should have received a copy of the GNU Affero General Public License
     16 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
     17 
     18 defmodule Zenflows.VF.EventOrCommitment do
     19 @moduledoc """
     20 An EconomicEvent or Commitment, mutually exclusive.
     21 """
     22 
     23 use Zenflows.DB.Schema
     24 
     25 alias Ecto.Changeset
     26 alias Zenflows.DB.{Schema, Validate}
     27 alias Zenflows.VF.{Commitment, EconomicEvent}
     28 
     29 @type t() :: %__MODULE__{
     30 	event: EconomicEvent.t() | nil,
     31 	commitment: Commitment.t() | nil,
     32 }
     33 
     34 schema "vf_event_or_commitment" do
     35 	belongs_to :event, EconomicEvent
     36 	belongs_to :commitment, Commitment
     37 	timestamps()
     38 end
     39 
     40 @cast ~w[event_id commitment_id]a
     41 
     42 @doc false
     43 @spec changeset(Schema.t(), Schema.params()) :: Changeset.t()
     44 def changeset(schema \\ %__MODULE__{}, params) do
     45 	schema
     46 	|> Changeset.cast(params, @cast)
     47 	|> Validate.exist_xor([:event_id, :commitment_id], method: :both)
     48 	|> Changeset.assoc_constraint(:event)
     49 	|> Changeset.assoc_constraint(:commitment)
     50 end
     51 end