130 lines
3.7 KiB
Elixir
130 lines
3.7 KiB
Elixir
defmodule Shift73kWeb.ShiftImportLive.Index do
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use Shift73kWeb, :live_view
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alias Shift73k.Repo
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alias Shift73k.Shifts
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@url_regex_str "[-a-zA-Z0-9@:%._\\+~#=]{1,256}\\.[a-zA-Z0-9()]{1,6}\\b([-a-zA-Z0-9()@:%_\\+.~#?&//=]*)"
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@url_regex Regex.compile!(@url_regex_str)
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@impl true
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def mount(_params, session, socket) do
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HTTPoison.start()
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socket
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|> assign_defaults(session)
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|> assign(:page_title, "iCal Import")
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|> assign(:url_valid, false)
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|> assign(:url_validated, false)
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|> assign(:tz_valid, true)
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|> live_okreply()
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end
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@impl true
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def handle_event("validate", %{"ics_import" => %{"ics_url" => url, "time_zone" => tz}}, socket) do
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socket
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|> assign(:url_valid, Regex.match?(@url_regex, url))
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|> assign(:url_validated, true)
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|> assign(:tz_valid, Enum.member?(Tzdata.zone_list(), tz))
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|> live_noreply()
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end
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@impl true
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def handle_event("save", %{"ics_import" => %{"ics_url" => url, "time_zone" => tz}}, socket) do
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url
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|> HTTPoison.get!()
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|> handle_http_ics_response(socket, tz)
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end
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defp handle_http_ics_response(%HTTPoison.Response{status_code: 200} = resp, socket, tz) do
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case content_type_calendar?(resp.headers) do
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false ->
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handle_http_ics_response(false, socket, tz)
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true ->
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resp.body
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|> ICalendar.from_ics()
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|> handle_parsed_ics_data(socket, tz)
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end
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end
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defp handle_http_ics_response(_, socket, _tz) do
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socket
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|> put_flash(:error, "Bad data, bad URL, or some other error. Page the dev!")
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|> live_noreply()
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end
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defp handle_parsed_ics_data([], socket, tz), do: handle_http_ics_response(false, socket, tz)
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defp handle_parsed_ics_data(events, socket, tz) do
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events
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|> Stream.map(&shift_from_event(&1, tz, socket.assigns.current_user.id))
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|> Enum.map(&Repo.timestamp/1)
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|> Shifts.create_multiple()
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|> handle_create_multiple_result(length(events), socket)
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|> live_noreply()
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end
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defp handle_create_multiple_result(result, event_count, socket) do
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{status, msg} =
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case result do
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{:error, errmsg} ->
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{:error, "Ope, problem error inserting shifts, page the dev! Message: #{errmsg}"}
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{n, _} ->
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s = (n > 1 && "s") || ""
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if n == event_count do
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{:success, "Successfully imported #{n} event#{s}"}
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else
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{:warning,
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"Some error, only #{n} event#{s} imported but seemed like iCal contained #{
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event_count
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}?"}
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end
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end
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put_flash(socket, status, msg)
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end
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defp content_type_calendar?(headers) do
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headers
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|> List.keyfind("Content-Type", 0)
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|> elem(1)
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|> String.contains?("text/calendar")
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end
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defp shift_from_event(%ICalendar.Event{} = e, tz, user_id) do
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dtzstart = DateTime.shift_zone!(e.dtstart, tz)
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dtzend = DateTime.add(dtzstart, DateTime.diff(e.dtend, e.dtstart))
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%{
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subject: e.summary,
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location: e.location,
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description: fix_description(e.description),
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date: DateTime.to_date(dtzstart),
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time_zone: tz,
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time_start: DateTime.to_time(dtzstart),
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time_end: DateTime.to_time(dtzend),
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user_id: user_id
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}
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end
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defp fix_description(nil), do: nil
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defp fix_description(description) do
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description
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|> String.replace("<br>", "\r\n")
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|> String.replace("<br\\>", "\r\n")
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|> String.replace("<br \\>", "\r\n")
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|> String.replace("<b>", "**")
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|> String.replace("</b>", "**")
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|> String.replace("<strong>", "**")
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|> String.replace("</strong>", "**")
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|> String.replace("<i>", "*")
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|> String.replace("</i>", "*")
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|> String.replace("<em>", "*")
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|> String.replace("</em>", "*")
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end
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end
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