ratemyclient/lib/my_first_elixir_vibe_code/reviews/review.ex

defmodule MyFirstElixirVibeCode.Reviews.Review do
  use Ecto.Schema
  import Ecto.Changeset

  schema "reviews" do
    field :rating, :integer
    field :title, :string
    field :content, :string
    field :project_type, :string
    field :client_first_name, :string
    field :client_last_name, :string
    field :client_street_address, :string
    field :client_city, :string
    field :client_state, :string
    field :client_zip, :string
    field :client_country, :string
    field :municipal_registration_proof, :string
    field :work_permit_proof, :string
    field :contractor_id, :id
    field :client_id, :id

    timestamps(type: :utc_datetime)
  end

  @doc false
  def changeset(review, attrs) do
    review
    |> cast(attrs, [
      :rating,
      :title,
      :content,
      :project_type,
      :client_first_name,
      :client_last_name,
      :client_street_address,
      :client_city,
      :client_state,
      :client_zip,
      :client_country,
      :municipal_registration_proof,
      :work_permit_proof
    ])
    |> validate_required([
      :rating,
      :title,
      :content,
      :project_type,
      :client_first_name,
      :client_last_name,
      :client_street_address,
      :client_city,
      :client_state,
      :client_zip
    ])
    |> validate_number(:rating, greater_than_or_equal_to: 1, less_than_or_equal_to: 5)
    |> validate_at_least_one_document()
  end

  defp validate_at_least_one_document(changeset) do
    municipal_proof = get_field(changeset, :municipal_registration_proof)
    work_permit = get_field(changeset, :work_permit_proof)

    if is_nil(municipal_proof) && is_nil(work_permit) do
      add_error(
        changeset,
        :municipal_registration_proof,
        "You must provide either municipal registration or work permit proof"
      )
    else
      changeset
    end
  end
end