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query

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Query adds simple tools to aid the use of Ecto in web settings.

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query lib query result meta.ex
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lib/query/result/meta.ex 

defmodule Query.Result.Meta do

  import Ecto.Query, warn: false



  alias Query.Builder



  def new(%Builder{} = builder, data \\ []) do

    %{

      total: get_total(builder),

      page: get_page(builder),

      page_total: get_page_total(data)

    }

  end



  defp get_total(%Builder{} = builder) do

    builder.queryable

    |> select(count("*"))

    |> builder.repo.one()

  end



  defp get_page(%Builder{page: page}) do

    page

  end



  defp get_page_total(data) do

    Enum.count(data)

  end

end