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Elixir data model framework library

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rivet lib rivet ecto collection delete.ex
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lib/rivet/ecto/collection/delete.ex 

defmodule Rivet.Ecto.Collection.Delete do

  defmacro __using__(opts) do

    quote location: :keep, bind_quoted: [opts: opts] do

      ##########################################################################

      @spec delete(@model.t) :: model_p_result | ecto_p_result

      def delete(%@model{} = item), do: @repo.delete(item)



      defoverridable delete: 1



      def delete_all(clauses, opts \\ [])



      def delete_all(clauses, opts) when is_list(clauses),

        do:

          from(t in @model, where: ^clauses)

          |> Rivet.Ecto.Collection.enrich_query_args(opts)

          |> @repo.delete_all()



      def delete_all(query, opts),

        do: Rivet.Ecto.Collection.enrich_query_args(query, opts) |> @repo.delete_all()



      ##########################################################################

      def delete_all_ids(ids, opts \\ []) do

        # Returns the number of `@model` that were deleted, and a

        # list of their actual ids, which may be a subset of

        # `ids`.

        from(t in @model, where: t.id in ^ids)

        |> Rivet.Ecto.Collection.enrich_query_args(opts)

        |> @repo.delete_all()

      end

    end

  end

end