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34 lines
908 B
Elixir
34 lines
908 B
Elixir
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defmodule PhilomenaWeb.LoadPollPlug do
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alias Philomena.Polls.Poll
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alias Philomena.Repo
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import Plug.Conn, only: [assign: 3]
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import Canada.Can, only: [can?: 3]
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import Ecto.Query
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def init(opts),
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do: opts
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def call(%{assigns: %{topic: topic}} = conn, opts) do
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show_hidden = Keyword.get(opts, :show_hidden, false)
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Poll
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|> where(topic_id: ^topic.id)
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|> Repo.one()
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|> maybe_hide_poll(conn, show_hidden)
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end
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defp maybe_hide_poll(nil, conn, _show_hidden),
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do: PhilomenaWeb.NotFoundPlug.call(conn)
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defp maybe_hide_poll(%{hidden_from_users: false} = poll, conn, _show_hidden),
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do: assign(conn, :poll, poll)
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defp maybe_hide_poll(poll, %{assigns: %{current_user: user}} = conn, show_hidden) do
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case show_hidden or can?(user, :show, poll) do
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true -> assign(conn, :poll, poll)
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false -> PhilomenaWeb.NotAuthorizedPlug.call(conn)
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end
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end
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end
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