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Robust user authentication solution

Security advisory: This version has known vulnerabilities. View advisories
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pow lib mix tasks ecto pow.ecto.gen.migration.ex
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lib/mix/tasks/ecto/pow.ecto.gen.migration.ex 

defmodule Mix.Tasks.Pow.Ecto.Gen.Migration do

  @shortdoc "Generates user migration file"



  @moduledoc """

  Generates a user migrations file.



      mix pow.ecto.gen.migration -r MyApp.Repo



      mix pow.ecto.gen.migration -r MyApp.Repo Accounts.Organization organizations

  """

  use Mix.Task



  alias Pow.Ecto.Schema.Migration, as: SchemaMigration

  alias Mix.{Ecto, Pow, Pow.Ecto.Migration}



  @switches [binary_id: :boolean]

  @default_opts [binary_id: false]

  @mix_task "pow.ecto.install"



  @doc false

  def run(args) do

    Pow.no_umbrella!(@mix_task)

    Pow.ensure_ecto!(@mix_task, args)



    args

    |> Pow.parse_options(@switches, @default_opts)

    |> parse()

    |> create_migrations_files(args)

  end



  defp parse({config, parsed, _invalid}) do

    case parsed do

      [_schema_name, schema_plural | _rest] ->

        Map.merge(config, %{schema_plural: schema_plural})



      _ ->

        config

    end

  end



  defp create_migrations_files(config, args) do

    args

    |> Ecto.parse_repo()

    |> Enum.map(&Ecto.ensure_repo(&1, args))

    |> Enum.map(&Map.put(config, :repo, &1))

    |> Enum.each(&create_migration_files/1)

  end



  defp create_migration_files(%{repo: repo, binary_id: binary_id} = config) do

    context_base  = Pow.context_base(Pow.context_app())

    schema_plural = Map.get(config, :schema_plural, "users")

    schema        = SchemaMigration.new(context_base, schema_plural, repo: repo, binary_id: binary_id)

    content       = SchemaMigration.gen(schema)



    Migration.create_migration_files(repo, schema.migration_name, content)

  end

end