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paginator

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Cursor based pagination for Elixir Ecto.

Retired package: Security issue - Remote Code Execution Vulnerability
Security advisory: This version has known vulnerabilities. View advisories
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paginator lib paginator config.ex
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lib/paginator/config.ex 

defmodule Paginator.Config do

  @moduledoc false



  alias Paginator.Cursor



  @type t :: %__MODULE__{}



  defstruct [

    :after,

    :after_values,

    :before,

    :before_values,

    :cursor_fields,

    :include_total_count,

    :total_count_primary_key_field,

    :limit,

    :maximum_limit,

    :sort_direction,

    :total_count_limit

  ]



  @default_total_count_primary_key_field :id

  @default_limit 50

  @minimum_limit 1

  @maximum_limit 500

  @default_total_count_limit 10_000



  def new(opts \\ []) do

    %__MODULE__{

      after: opts[:after],

      after_values: Cursor.decode(opts[:after]),

      before: opts[:before],

      before_values: Cursor.decode(opts[:before]),

      cursor_fields: opts[:cursor_fields],

      include_total_count: opts[:include_total_count] || false,

      total_count_primary_key_field: opts[:total_count_primary_key_field] || @default_total_count_primary_key_field,

      limit: limit(opts),

      sort_direction: opts[:sort_direction] || :asc,

      total_count_limit: opts[:total_count_limit] || @default_total_count_limit

    }

  end



  defp limit(opts) do

    max(opts[:limit] || @default_limit, @minimum_limit)

    |> min(opts[:maximum_limit] || @maximum_limit)

  end

end