68 lines
1.8 KiB
Elixir
68 lines
1.8 KiB
Elixir
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defmodule Mix.Tasks.Mobilizon.MoveParticipantStats do
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@moduledoc """
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Temporary task to move participant stats in the events table
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This task will be removed in version 1.0.0-beta.3
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"""
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use Mix.Task
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alias Mobilizon.Storage.Repo
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alias Mobilizon.Events
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alias Mobilizon.Events.Event
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alias Mobilizon.Events.ParticipantRole
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import Ecto.Query
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require Logger
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@shortdoc "Move participant stats to events table"
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def run([]) do
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Mix.Task.run("app.start")
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events =
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Event
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|> preload([e], :tags)
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|> Repo.all()
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nb_events = length(events)
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IO.puts(
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"\nStarting inserting participants stats into #{nb_events} events, this can take a while…\n"
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)
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insert_participants_stats_into_events(events, nb_events)
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end
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defp insert_participants_stats_into_events([%Event{url: url} = event | events], nb_events) do
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with roles <- ParticipantRole.__enum_map__(),
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counts <-
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Enum.reduce(roles, %{}, fn role, acc ->
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Map.put(acc, role, count_participants(event, role))
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end),
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{:ok, _} <-
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Events.update_event(event, %{
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participant_stats: counts
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}) do
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Logger.debug("Added participants stats to event #{url}")
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else
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{:error, res} ->
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Logger.error("Error while adding participants stats to event #{url} : #{inspect(res)}")
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end
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ProgressBar.render(nb_events - length(events), nb_events)
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insert_participants_stats_into_events(events, nb_events)
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end
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defp insert_participants_stats_into_events([], nb_events) do
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IO.puts("\nFinished inserting participant stats for #{nb_events} events!\n")
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end
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defp count_participants(%Event{id: event_id}, role) when is_atom(role) do
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event_id
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|> Events.count_participants_query()
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|> Events.filter_role(role)
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|> Repo.aggregate(:count, :id)
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end
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end
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