akkoma/lib/pleroma/search/meilisearch.ex

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defmodule Pleroma.Search.Meilisearch do
require Logger
require Pleroma.Constants
alias Pleroma.Activity
import Pleroma.Activity.Search
import Ecto.Query
def search(user, query, options \\ []) do
limit = Enum.min([Keyword.get(options, :limit), 40])
offset = Keyword.get(options, :offset, 0)
author = Keyword.get(options, :author)
endpoint = Pleroma.Config.get([Pleroma.Search.Meilisearch, :url])
{:ok, result} =
Pleroma.HTTP.post(
"#{endpoint}/indexes/objects/search",
Jason.encode!(%{q: query, offset: offset, limit: limit})
)
hits = Jason.decode!(result.body)["hits"] |> Enum.map(& &1["ap"])
try do
hits
|> Activity.create_by_object_ap_id()
|> Activity.with_preloaded_object()
|> Activity.with_preloaded_object()
|> Activity.restrict_deactivated_users()
|> maybe_restrict_local(user)
|> maybe_restrict_author(author)
|> maybe_restrict_blocked(user)
|> maybe_fetch(user, query)
|> order_by([object: obj], desc: obj.data["published"])
|> Pleroma.Repo.all()
rescue
_ -> maybe_fetch([], user, query)
end
end
def object_to_search_data(object) do
if not is_nil(object) and object.data["type"] == "Note" and
Pleroma.Constants.as_public() in object.data["to"] do
data = object.data
content_str =
case data["content"] do
[nil | rest] -> to_string(rest)
str -> str
end
content =
with {:ok, scrubbed} <- FastSanitize.strip_tags(content_str),
trimmed <- String.trim(scrubbed) do
trimmed
end
if String.length(content) > 1 do
{:ok, published, _} = DateTime.from_iso8601(data["published"])
%{
id: object.id,
content: content,
ap: data["id"],
published: published |> DateTime.to_unix()
}
end
end
end
def add_to_index(activity) do
maybe_search_data = object_to_search_data(activity)
if activity.data["type"] == "Create" and maybe_search_data do
endpoint = Pleroma.Config.get([Pleroma.Search.Meilisearch, :url])
{:ok, result} =
Pleroma.HTTP.post(
"#{endpoint}/indexes/objects/documents",
Jason.encode!([maybe_search_data])
)
if not Map.has_key?(Jason.decode!(result.body), "updateId") do
Logger.error("Failed to add activity #{activity.id} to index: #{result.body}")
end
end
end
def remove_from_index(object) do
endpoint = Pleroma.Config.get([Pleroma.Search.Meilisearch, :url])
{:ok, _} =
Pleroma.HTTP.request(
:delete,
"#{endpoint}/indexes/objects/documents/#{object.id}",
"",
[],
[]
)
end
end