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lib/exq_ui_web/live/components/pagination_component.ex
defmodule ExqUIWeb.PaginationComponent do
use ExqUIWeb, :live_component
@length 5
@impl true
def update(assigns, socket) do
total_page = ceil(assigns.total / assigns.page_size)
current_page = Enum.max([Enum.min([assigns.current_page, total_page]), 1])
start_page = Enum.max([1, current_page - @length])
end_page = Enum.min([total_page, current_page + @length])
{:ok,
assign(socket, %{
total: assigns.total,
total_page: total_page,
current_page: current_page,
start_page: start_page,
end_page: end_page
})}
end
end