mobilizon/lib/service/workers/build_search.ex

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Elixir
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defmodule Mobilizon.Service.Workers.BuildSearch do
@moduledoc """
Worker to build search results
"""
2020-01-28 20:15:59 +01:00
alias Ecto.Adapters.SQL
alias Mobilizon.Events
alias Mobilizon.Events.Event
alias Mobilizon.Service.Formatter.HTML
alias Mobilizon.Storage.Repo
use Mobilizon.Service.Workers.Helper, queue: "search"
@impl Oban.Worker
def perform(%Job{
args: %{"op" => "insert_search_event", "event_id" => event_id}
}) do
with {:ok, %Event{} = event} <- Events.get_event_with_preload(event_id) do
insert_search_event(event)
end
end
def perform(%Job{
args: %{"op" => "update_search_event", "event_id" => event_id}
}) do
with {:ok, %Event{} = event} <- Events.get_event_with_preload(event_id) do
insert_search_event(event)
end
end
def insert_search_event(%Event{} = event) do
SQL.query(
Repo,
"""
INSERT INTO event_search(id, title, document) VALUES ($1, $2, (
SELECT
setweight(to_tsvector(unaccent($2)), 'A') ||
setweight(to_tsvector(unaccent(coalesce($4, ' '))), 'B') ||
setweight(to_tsvector(unaccent($3)), 'C')
)
) ON CONFLICT (id) DO UPDATE SET title = $2, document = (
SELECT
setweight(to_tsvector(unaccent($2)), 'A') ||
setweight(to_tsvector(unaccent(coalesce($4, ' '))), 'B') ||
setweight(to_tsvector(unaccent($3)), 'C')
);
""",
[
event.id,
event.title,
HTML.strip_tags_and_insert_spaces(event.description),
get_tags_string(event)
]
)
end
defp get_tags_string(%Event{tags: tags}) do
Enum.map_join(tags, " ", & &1.title)
end
end