akkoma/lib/pleroma/search/elasticsearch.ex

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Elixir
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defmodule Pleroma.Search.Elasticsearch do
@behaviour Pleroma.Search
alias Pleroma.Web.MastodonAPI.StatusView
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alias Pleroma.Web.ActivityPub.Visibility
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defp to_es(term) when is_binary(term) do
%{
match: %{
content: %{
query: term,
operator: "AND"
}
}
}
end
defp to_es({:quoted, term}), do: to_es(term)
defp to_es({:filter, ["hashtag", query]}) do
%{
term: %{
hashtags: %{
value: query
}
}
}
end
defp to_es({:filter, [field, query]}) do
%{
term: %{
field => %{
value: query
}
}
}
end
defp parse(query) do
query
|> SearchParser.parse!()
|> Enum.map(&to_es/1)
end
@impl Pleroma.Search
def search(%{assigns: %{user: user}} = _conn, %{q: query} = _params, _options) do
q = %{
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size: 500,
terminate_after: 500,
timeout: "10s",
sort: [
%{"_timestamp" => "desc"}
],
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query: %{
bool: %{
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must: parse(String.trim(query))
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}
}
}
out = Pleroma.Elasticsearch.search_activities(q)
with {:ok, raw_results} <- out do
results =
raw_results
|> Map.get(:body, %{})
|> Map.get("hits", %{})
|> Map.get("hits", [])
|> Enum.map(fn result -> result["_id"] end)
|> Pleroma.Activity.all_by_ids_with_object()
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|> Enum.filter(fn x -> Visibility.visible_for_user?(x, user) end)
|> Enum.reverse()
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%{
"accounts" => [],
"hashtags" => [],
"statuses" =>
StatusView.render("index.json",
activities: results,
for: user,
as: :activity
)
}
end
end
end