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Package containing all AMI Models shared between micro-services.

Retired package: Security issue - retiring
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ami lib ami lesson_resource.ex
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lib/ami/lesson_resource.ex 

defmodule Ami.LessonResource do

  use Ecto.Schema



  import Ecto.{

    Query,

    Changeset

  }



  alias Ami.{

    Lesson,

    ResourceAttachment,

    Repo

  }



  schema "lessons_resources" do

    @timestamps_opts [type: :naive_datetime_usec]



    field(:position, :integer)

    timestamps()



    belongs_to(:lesson, Lesson)

    belongs_to(:resource_attachment, ResourceAttachment)

  end



  def changeset(struct, params \\ %{}) do

    struct

    |> cast(params, [:lesson_id, :resource_attachment_id, :position])

    |> cast_assoc(:resource_attachment)

    |> case do

      %{valid?: true, changes: changes} = changeset when changes == %{} ->

        %{changeset | action: :ignore}



      changeset ->

        changeset

    end

  end



  def update_position(id, position) do

    Repo.get!(__MODULE__, id)

    |> change(%{position: position})

    |> Repo.update()

  end

  

end