29 lines
763 B
Elixir
29 lines
763 B
Elixir
defmodule FrenzyWeb.FeedView do
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use FrenzyWeb, :view
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alias Frenzy.{Repo, Item}
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import Ecto.Query
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@spec next_page_path(Plug.Conn.t(), [Frenzy.Item.t()]) :: String.t()
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defp next_page_path(conn, items) do
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%Item{id: id, date: date} = List.last(items)
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has_older = Repo.exists?(from i in Item, where: i.date < ^date)
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if has_older do
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Phoenix.Controller.current_path(conn, %{before: id})
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else
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nil
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end
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end
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@spec prev_page_path(Plug.Conn.t(), [Frenzy.Item.t()]) :: String.t()
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defp prev_page_path(conn, [%Item{id: id, date: date} | _]) do
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has_newer = Repo.exists?(from i in Item, where: i.date > ^date)
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if has_newer do
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Phoenix.Controller.current_path(conn, %{after: id})
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else
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nil
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end
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end
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end
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