83 lines
2.1 KiB
Elixir
83 lines
2.1 KiB
Elixir
defmodule Shift73kWeb.ShiftAssignLive.Index do
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use Shift73kWeb, :live_view
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use Timex
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alias Shift73k.EctoEnums.WeekdayEnum
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@impl true
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def mount(_params, session, socket) do
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socket
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|> assign_defaults(session)
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|> assign_day_names()
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|> assign_init_dates(Timex.today())
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|> assign_week_rows()
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|> live_okreply()
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end
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defp rotate_week(week_start_at) do
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{a, b} = Enum.split_while(WeekdayEnum.__enum_map__(), fn {k, _v} -> k != week_start_at end)
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b ++ a
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end
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defp day_names(week_start_at) do
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week_start_at
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|> rotate_week()
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|> Keyword.values()
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|> Enum.map(&Timex.day_shortname/1)
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end
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defp week_rows(cursor_date, week_start_at) do
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first =
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cursor_date
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|> Timex.beginning_of_month()
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|> Timex.beginning_of_week(week_start_at)
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last =
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cursor_date
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|> Timex.end_of_month()
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|> Timex.end_of_week(week_start_at)
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Interval.new(from: first, until: last, right_open: false)
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|> Enum.map(& &1)
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|> Enum.chunk_every(7)
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end
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defp assign_day_names(socket) do
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day_names = day_names(socket.assigns.current_user.week_start_at)
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assign(socket, :day_names, day_names)
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end
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defp assign_init_dates(socket, today) do
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assign(socket, [current_date: today, cursor_date: today])
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end
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defp assign_week_rows(socket) do
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cursor_date = socket.assigns.cursor_date
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week_start_at = socket.assigns.current_user.week_start_at
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assign(socket, :week_rows, week_rows(cursor_date, week_start_at))
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end
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def handle_event("prev-month", _, socket) do
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cursor_date = Timex.shift(socket.assigns.cursor_date, months: -1)
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assigns = [
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cursor_date: cursor_date,
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week_rows: week_rows(cursor_date, socket.assigns.current_user.week_start_at)
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]
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{:noreply, assign(socket, assigns)}
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end
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def handle_event("next-month", _, socket) do
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cursor_date = Timex.shift(socket.assigns.cursor_date, months: 1)
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assigns = [
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cursor_date: cursor_date,
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week_rows: week_rows(cursor_date, socket.assigns.current_user.week_start_at)
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]
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{:noreply, assign(socket, assigns)}
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end
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end
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