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
alias Pleroma.Web.MastodonAPI.AccountView
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alias Pleroma.Web.ActivityPub.Visibility
alias Pleroma.Search.Elasticsearch.Parsers
alias Pleroma.Web.Endpoint
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defp es_query(:activity, query) do
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%{
size: 500,
terminate_after: 500,
timeout: "10s",
sort: [
%{"_timestamp" => "desc"}
],
query: %{
bool: %{
must: Parsers.Activity.parse(query)
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}
}
}
end
defp es_query(:user, query) do
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%{
size: 50,
terminate_after: 50,
timeout: "10s",
sort: [
%{"_timestamp" => "desc"}
],
query: %{
bool: %{
must: Parsers.User.parse(query)
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}
}
}
end
defp es_query(:hashtag, query) do
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%{
size: 50,
terminate_after: 50,
timeout: "10s",
query: %{
bool: %{
must: Parsers.Hashtag.parse(query)
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}
}
}
end
@impl Pleroma.Search
def search(%{assigns: %{user: user}} = _conn, %{q: query} = _params, _options) do
parsed_query =
query
|> String.trim()
|> SearchParser.parse!()
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activity_task =
Task.async(fn ->
q = es_query(:activity, parsed_query)
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Pleroma.Elasticsearch.search(:activities, q)
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|> Enum.filter(fn x -> Visibility.visible_for_user?(x, user) end)
end)
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user_task =
Task.async(fn ->
q = es_query(:user, parsed_query)
Pleroma.Elasticsearch.search(:users, q)
|> Enum.filter(fn x -> Pleroma.User.visible_for(x, user) == :visible end)
end)
hashtag_task =
Task.async(fn ->
q = es_query(:hashtag, parsed_query)
Pleroma.Elasticsearch.search(:hashtags, q)
end)
activity_results = Task.await(activity_task)
user_results = Task.await(user_task)
hashtag_results = Task.await(hashtag_task)
%{
"accounts" =>
AccountView.render("index.json",
users: user_results,
for: user
),
"hashtags" =>
Enum.map(hashtag_results, fn x ->
%{
url: Endpoint.url() <> "/tag/" <> x,
name: x
}
end),
"statuses" =>
StatusView.render("index.json",
activities: activity_results,
for: user,
as: :activity
)
}
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end
end