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47 lines
1.5 KiB
47 lines
1.5 KiB
defmodule TetrisuiWeb.ErrorHelpers do |
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@moduledoc """ |
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Conveniences for translating and building error messages. |
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""" |
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use Phoenix.HTML |
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@doc """ |
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Generates tag for inlined form input errors. |
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""" |
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def error_tag(form, field) do |
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Enum.map(Keyword.get_values(form.errors, field), fn error -> |
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content_tag(:span, translate_error(error), |
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class: "invalid-feedback", |
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phx_feedback_for: input_name(form, field) |
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) |
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end) |
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end |
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@doc """ |
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Translates an error message using gettext. |
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""" |
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def translate_error({msg, opts}) do |
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# When using gettext, we typically pass the strings we want |
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# to translate as a static argument: |
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# |
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# # Translate "is invalid" in the "errors" domain |
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# dgettext("errors", "is invalid") |
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# |
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# # Translate the number of files with plural rules |
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# dngettext("errors", "1 file", "%{count} files", count) |
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# |
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# Because the error messages we show in our forms and APIs |
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# are defined inside Ecto, we need to translate them dynamically. |
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# This requires us to call the Gettext module passing our gettext |
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# backend as first argument. |
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# |
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# Note we use the "errors" domain, which means translations |
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# should be written to the errors.po file. The :count option is |
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# set by Ecto and indicates we should also apply plural rules. |
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if count = opts[:count] do |
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Gettext.dngettext(TetrisuiWeb.Gettext, "errors", msg, msg, count, opts) |
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else |
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Gettext.dgettext(TetrisuiWeb.Gettext, "errors", msg, opts) |
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end |
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end |
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end
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