mobilizon/lib/service/site_map.ex

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1.9 KiB
Elixir
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defmodule Mobilizon.Service.SiteMap do
@moduledoc """
Generates a sitemap
"""
alias Mobilizon.{Actors, Events, Posts}
alias Mobilizon.Storage.Repo
alias Mobilizon.Web.Endpoint
alias Mobilizon.Web.Router.Helpers, as: Routes
@default_static_frequency :monthly
def generate_sitemap do
static_routes = [
{Routes.page_url(Endpoint, :index, []), :daily},
"#{Endpoint.url()}/about/instance",
"#{Endpoint.url()}/about/mobilizon",
"#{Endpoint.url()}/terms",
"#{Endpoint.url()}/privacy",
"#{Endpoint.url()}/rules",
"#{Endpoint.url()}/glossary"
]
config = [
store: Sitemapper.FileStore,
store_config: [path: "priv/static"],
sitemap_url: Endpoint.url(),
gzip: false
]
Repo.transaction(fn ->
Events.stream_events_for_sitemap()
|> Stream.concat(Actors.list_groups_for_stream())
|> Stream.concat(Posts.list_posts_for_stream())
|> Stream.concat(
Enum.map(static_routes, fn route ->
{url, frequency} =
case route do
{url, frequency} -> {url, frequency}
url when is_binary(url) -> {url, @default_static_frequency}
end
%{url: url, updated_at: nil, frequence: frequency}
end)
)
|> Stream.map(fn %{url: url, updated_at: updated_at} = args ->
frequence = Map.get(args, :frequence, :weekly)
%Sitemapper.URL{
loc: url,
changefreq: frequence,
lastmod: check_date_time(updated_at)
}
end)
|> Sitemapper.generate(config)
|> Sitemapper.persist(config)
|> Sitemapper.ping(config)
|> Stream.run()
end)
end
# Sometimes we use naive datetimes
defp check_date_time(%NaiveDateTime{} = datetime), do: DateTime.from_naive!(datetime, "Etc/UTC")
defp check_date_time(%DateTime{} = datetime), do: datetime
defp check_date_time(_), do: nil
end