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92 lines
2.9 KiB
Elixir
92 lines
2.9 KiB
Elixir
defmodule LivebookWeb.HTMLHelpers do
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use Phoenix.Component
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use LivebookWeb, :verified_routes
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@doc """
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Returns path to specific process dialog within LiveDashboard.
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"""
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def live_dashboard_process_path(pid) do
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pid_str = Phoenix.LiveDashboard.PageBuilder.encode_pid(pid)
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~p"/dashboard/#{node()}/processes?info=#{pid_str}"
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end
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@doc """
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Converts human-readable strings to strings which can be used
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as HTML element IDs (compatible with HTML5)
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At the same time duplicate IDs are enumerated to avoid duplicates
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"""
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@spec names_to_html_ids(list(String.t())) :: list(String.t())
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def names_to_html_ids(names) do
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names
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|> Enum.map(&name_to_html_id/1)
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|> Enum.map_reduce(%{}, fn html_id, counts ->
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counts = Map.update(counts, html_id, 1, &(&1 + 1))
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case counts[html_id] do
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1 -> {html_id, counts}
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count -> {"#{html_id}-#{count}", counts}
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end
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end)
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|> elem(0)
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end
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defp name_to_html_id(name) do
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name
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|> String.downcase()
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|> String.replace(~r/[^\s\w]/u, "")
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|> String.trim()
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|> String.replace(~r/\s+/u, "-")
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|> case do
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"" -> Base.url_encode64(name, padding: false)
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id -> id
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end
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end
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@doc """
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Returns the text in singular or plural depending on the quantity
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## Examples
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iex> LivebookWeb.HTMLHelpers.pluralize(1, "notebook is not persisted", "notebooks are not persisted")
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"1 notebook is not persisted"
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iex> LivebookWeb.HTMLHelpers.pluralize(3, "notebook is not persisted", "notebooks are not persisted")
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"3 notebooks are not persisted"
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"""
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@spec pluralize(non_neg_integer(), String.t(), String.t()) :: String.t()
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def pluralize(1, singular, _plural), do: "1 #{singular}"
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def pluralize(count, _singular, plural), do: "#{count} #{plural}"
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@doc """
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Formats the given UTC datetime relatively to present.
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"""
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@spec format_datetime_relatively(DateTime.t()) :: String.t()
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def format_datetime_relatively(date) do
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date |> DateTime.to_naive() |> Livebook.Utils.Time.time_ago_in_words()
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end
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@doc """
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Returns a list of human readable messages for all upload and upload
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entry errors.
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"""
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@spec upload_error_messages(Phoenix.LiveView.UploadConfig.t()) :: list(String.t())
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def upload_error_messages(upload) do
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errors = upload_errors(upload) ++ Enum.flat_map(upload.entries, &upload_errors(upload, &1))
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Enum.map(errors, &upload_error_to_string/1)
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end
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@doc """
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Converts an upload or entry error to string.
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"""
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@spec upload_error_to_string(term()) :: String.t()
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def upload_error_to_string(:too_large), do: "Too large"
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def upload_error_to_string(:too_many_files), do: "You have selected too many files"
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def upload_error_to_string(:not_accepted), do: "You have selected an unacceptable file type"
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def upload_error_to_string({:writer_failure, message}) when is_binary(message) do
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Livebook.Utils.upcase_first(message)
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end
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end
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