59 lines
2.2 KiB
Elixir
59 lines
2.2 KiB
Elixir
defmodule Mv.Membership.CustomFieldValueFormatter do
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@moduledoc """
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Neutral formatter for custom field values (e.g. CSV export).
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Same logic as the member overview Formatter but without Gettext or web helpers,
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so it can be used from the Membership context. For boolean: "Yes"/"No";
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for date: ISO-8601 (YYYY-MM-DD) so exported values can be re-imported.
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"""
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@doc """
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Formats a custom field value for plain text (e.g. CSV).
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Handles nil, Ash.Union, JSONB map, and direct values. Uses custom_field.value_type
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for typing. Boolean -> "Yes"/"No", Date -> ISO-8601 (YYYY-MM-DD).
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"""
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def format_custom_field_value(nil, _custom_field), do: ""
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def format_custom_field_value(%Ash.Union{value: value, type: type}, custom_field) do
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format_value_by_type(value, type, custom_field)
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end
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def format_custom_field_value(%Date{} = value, custom_field) do
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format_value_by_type(value, :date, custom_field)
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end
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def format_custom_field_value(value, custom_field) when is_map(value) do
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type = Map.get(value, "type") || Map.get(value, "_union_type")
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val = Map.get(value, "value") || Map.get(value, "_union_value")
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format_value_by_type(val, type, custom_field)
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end
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def format_custom_field_value(value, custom_field) do
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format_value_by_type(value, custom_field.value_type, custom_field)
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end
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defp format_value_by_type(value, :string, _), do: to_string(value)
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defp format_value_by_type(value, :integer, _), do: to_string(value)
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defp format_value_by_type(value, type, _) when type in [:string, :email] and is_binary(value) do
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if String.trim(value) == "", do: "", else: value
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end
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defp format_value_by_type(value, :email, _), do: to_string(value)
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defp format_value_by_type(value, :boolean, _) when value == true, do: "Yes"
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defp format_value_by_type(value, :boolean, _) when value == false, do: "No"
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defp format_value_by_type(value, :boolean, _), do: to_string(value)
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defp format_value_by_type(%Date{} = date, :date, _) do
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Date.to_iso8601(date)
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end
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defp format_value_by_type(value, :date, _) when is_binary(value) do
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case Date.from_iso8601(value) do
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{:ok, date} -> Date.to_iso8601(date)
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_ -> value
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end
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end
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defp format_value_by_type(value, _type, _), do: to_string(value)
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end
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