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46 lines
1.2 KiB
Elixir
46 lines
1.2 KiB
Elixir
defmodule PhilomenaWeb.PaginationView do
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use PhilomenaWeb, :view
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def first_page?(page) do
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page.page_number == 1
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end
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def last_page?(page) do
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page.page_number == page.total_pages
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end
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def page_path(route, params, number) do
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route.([{:page, number} | params])
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end
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def first_page_path(_page, route, params), do: page_path(route, params, 1)
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def prev_page_path(page, route, params), do: page_path(route, params, page.page_number - 1)
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def next_page_path(page, route, params), do: page_path(route, params, page.page_number + 1)
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def last_page_path(page, route, params), do: page_path(route, params, page.total_pages)
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def left_gap?(page) do
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page.page_number >= 5
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end
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def left_page_numbers(page) do
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number = page.page_number
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min = 1
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max = page.total_pages
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(number - 5..number)
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|> Enum.filter(& &1 >= min and &1 != number and &1 <= max)
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end
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def right_gap?(page) do
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page.total_pages - page.page_number >= 5
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end
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def right_page_numbers(page) do
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number = page.page_number
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min = 1
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max = page.total_pages
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(number .. number + 5)
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|> Enum.filter(& &1 >= min and &1 != number and &1 <= max)
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end
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end
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