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67 lines
1.8 KiB
Elixir
67 lines
1.8 KiB
Elixir
defmodule Plausible.Workers.SpikeNotifier do
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use Plausible.Repo
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alias Plausible.Stats.Query
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alias Plausible.Site.SpikeNotification
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use Oban.Worker, queue: :spike_notifications
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@at_most_every "12 hours"
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@impl Oban.Worker
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def perform(_job, clickhouse \\ Plausible.Stats.Clickhouse) do
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notifications =
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Repo.all(
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from sn in SpikeNotification,
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where: is_nil(sn.last_sent),
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or_where: sn.last_sent < fragment("now() - INTERVAL ?", @at_most_every),
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join: s in Plausible.Site,
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on: sn.site_id == s.id,
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where: not s.locked,
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preload: [site: s]
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)
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for notification <- notifications do
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query = Query.from(notification.site.timezone, %{"period" => "realtime"})
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current_visitors = clickhouse.current_visitors(notification.site, query)
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sources = clickhouse.top_sources(notification.site, query, 3, 1, true)
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notify(notification, current_visitors, sources)
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end
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:ok
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end
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def notify(notification, current_visitors, sources) do
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if current_visitors >= notification.threshold do
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for recipient <- notification.recipients do
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send_notification(recipient, notification.site, current_visitors, sources)
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end
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notification
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|> SpikeNotification.was_sent()
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|> Repo.update()
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end
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end
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defp send_notification(recipient, site, current_visitors, sources) do
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site = Repo.preload(site, :members)
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dashboard_link =
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if Enum.member?(site.members, recipient) do
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PlausibleWeb.Endpoint.url() <> "/" <> URI.encode_www_form(site.domain)
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end
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template =
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PlausibleWeb.Email.spike_notification(
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recipient,
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site,
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current_visitors,
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sources,
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dashboard_link
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)
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try do
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Plausible.Mailer.send_email(template)
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rescue
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_ -> nil
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end
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end
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end
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