94 lines
2.3 KiB
Elixir
94 lines
2.3 KiB
Elixir
defmodule Shift73kWeb.UserShiftsCsvController do
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use Shift73kWeb, :controller
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alias Shift73k.Shifts
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alias Shift73k.Shifts.Shift
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def new(conn, _params) do
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render(conn, "new.html")
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end
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def export(conn, %{"csv_export" => request_params}) do
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IO.inspect(request_params, label: "csv request params :")
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case Map.get(request_params, "user_id") == conn.assigns.current_user.id do
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true ->
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export_csv(conn, request_params)
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false ->
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conn
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|> put_flash(:danger, "Unauthorized CSV export request")
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|> redirect(to: "/")
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|> halt()
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end
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end
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defp export_csv(conn, %{"date_min" => date_min, "date_max" => date_max}) do
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date_range = Date.range(Date.from_iso8601!(date_min), Date.from_iso8601!(date_max))
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csv_content = build_csv_content(conn.assigns.current_user.id, date_range)
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filename_dt = DateTime.utc_now() |> Calendar.strftime("%Y%m%dT%H%M%S")
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filename = "#{conn.assigns.current_user.id}_#{filename_dt}.csv"
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conn
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|> put_resp_content_type("text/csv")
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|> put_resp_header("content-disposition", "attachment; filename=\"#{filename}\"")
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|> send_resp(200, csv_content)
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end
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def build_csv_content(user_id, date_range) do
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[csv_headers() | csv_data(user_id, date_range)]
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|> NimbleCSV.RFC4180.dump_to_iodata()
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|> to_string()
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|> IO.inspect()
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end
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def csv_data(user_id, date_range) do
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user_id
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|> Shifts.list_shifts_by_user_in_date_range(date_range)
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|> Enum.map(&csv_shift_row/1)
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end
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def csv_headers do
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[
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"Subject",
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"Start Date",
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"Start Time",
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"End Date",
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"End Time",
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"All Day Event",
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"Description",
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"Location",
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"Private"
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]
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end
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defp csv_shift_row(%Shift{} = s) do
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dt_start = DateTime.new!(s.date, s.time_start, s.time_zone)
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shift_length_s = Shifts.shift_length(s) * 60
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dt_end = DateTime.add(dt_start, shift_length_s)
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[
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s.subject,
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csv_date_string(dt_start),
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csv_time_string(dt_start),
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csv_date_string(dt_end),
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csv_time_string(dt_end),
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false,
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s.description,
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s.location,
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false
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]
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end
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defp csv_date_string(%DateTime{} = dt) do
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dt
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|> DateTime.to_date()
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|> Calendar.strftime("%m/%d/%Y")
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end
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defp csv_time_string(%DateTime{} = dt) do
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dt
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|> DateTime.to_time()
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|> Calendar.strftime("%-I:%M %p")
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end
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end
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