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reach lib reach plugins ecto smells float_money.ex
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lib/reach/plugins/ecto/smells/float_money.ex 

defmodule Reach.Plugins.Ecto.Smells.FloatMoney do

  @moduledoc "Detects money-like Ecto fields and columns declared as :float."



  use Reach.Smell.Check.Source



  @money_names [

    :amount,

    :balance,

    :cost,

    :fee,

    :money,

    :payment,

    :price,

    :rate,

    :salary,

    :subtotal,

    :tax,

    :total,

    :unit_price

  ]



  smell(

    from(~p[field(name, :float)]) |> where(^name in @money_names),

    :ecto_float_money,

    "money-like Ecto schema field uses :float; use :decimal or integer cents"

  )



  smell(

    from(~p[add(name, :float)]) |> where(^name in @money_names),

    :ecto_float_money,

    "money-like migration column uses :float; use :decimal or integer cents"

  )

end