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step_flow

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Step flow manager for Elixir applications

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step_flow lib step_flow progressions progression.ex
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lib/step_flow/progressions/progression.ex 

defmodule StepFlow.Progressions.Progression do

  use Ecto.Schema

  import Ecto.Changeset

  alias StepFlow.Jobs.Job

  alias StepFlow.Progressions.Progression



  @moduledoc false



  schema "step_flow_progressions" do

    field(:datetime, :utc_datetime)

    field(:docker_container_id, :string)

    field(:progression, :integer)

    belongs_to(:job, Job, foreign_key: :job_id)



    timestamps()

  end



  @doc false

  def changeset(%Progression{} = progression, attrs) do

    progression

    |> cast(attrs, [:datetime, :docker_container_id, :job_id, :progression])

    |> foreign_key_constraint(:job_id)

    |> validate_required([:datetime, :docker_container_id, :job_id, :progression])

  end



  @doc """

  Returns the last updated progression of a list of progression.

  """

  def get_last_progression(progression) when is_list(progression) do

    progression

    |> Enum.sort(fn state_1, state_2 ->

      state_1.updated_at < state_2.updated_at

    end)

    |> List.last()

  end



  def get_last_progression(%Progression{} = progression), do: progression

  def get_last_progression(_progression), do: nil

end