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|
defmodule Pleroma.Search.Meilisearch do
require Logger
require Pleroma.Constants
alias Pleroma.Activity
alias Pleroma.Config.Getting, as: Config
import Pleroma.Search.DatabaseSearch
import Ecto.Query
@behaviour Pleroma.Search.SearchBackend
defp meili_headers do
private_key = Config.get([Pleroma.Search.Meilisearch, :private_key])
[{"Content-Type", "application/json"}] ++
if is_nil(private_key), do: [], else: [{"Authorization", "Bearer #{private_key}"}]
end
def meili_get(path) do
endpoint = Config.get([Pleroma.Search.Meilisearch, :url])
result =
Pleroma.HTTP.get(
Path.join(endpoint, path),
meili_headers()
)
with {:ok, res} <- result do
{:ok, Jason.decode!(res.body)}
end
end
def meili_post(path, params) do
endpoint = Config.get([Pleroma.Search.Meilisearch, :url])
result =
Pleroma.HTTP.post(
Path.join(endpoint, path),
Jason.encode!(params),
meili_headers()
)
with {:ok, res} <- result do
{:ok, Jason.decode!(res.body)}
end
end
def meili_put(path, params) do
endpoint = Config.get([Pleroma.Search.Meilisearch, :url])
result =
Pleroma.HTTP.request(
:put,
Path.join(endpoint, path),
Jason.encode!(params),
meili_headers(),
[]
)
with {:ok, res} <- result do
{:ok, Jason.decode!(res.body)}
end
end
def meili_delete(path) do
endpoint = Config.get([Pleroma.Search.Meilisearch, :url])
with {:ok, _} <-
Pleroma.HTTP.request(
:delete,
Path.join(endpoint, path),
"",
meili_headers(),
[]
) do
:ok
else
_ -> {:error, "Could not remove from index"}
end
end
@impl true
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)
res =
meili_post(
"/indexes/objects/search",
%{q: query, offset: offset, limit: limit}
)
with {:ok, result} <- res do
hits = result["hits"] |> Enum.map(& &1["ap"])
try do
hits
|> Activity.create_by_object_ap_id()
|> 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
end
def object_to_search_data(object) do
# Only index public or unlisted Notes
if not is_nil(object) and object.data["type"] == "Note" and
not is_nil(object.data["content"]) and
(Pleroma.Constants.as_public() in object.data["to"] or
Pleroma.Constants.as_public() in object.data["cc"]) and
object.data["content"] not in ["", "."] do
data = object.data
content_str =
case data["content"] do
[nil | rest] -> to_string(rest)
str -> str
end
content =
with {:ok, scrubbed} <-
FastSanitize.Sanitizer.scrub(content_str, Pleroma.HTML.Scrubber.SearchIndexing),
trimmed <- String.trim(scrubbed) do
trimmed
end
# Make sure we have a non-empty string
if content != "" do
{:ok, published, _} = DateTime.from_iso8601(data["published"])
%{
id: object.id,
content: content,
ap: data["id"],
published: published |> DateTime.to_unix()
}
end
end
end
@impl true
def add_to_index(activity) do
maybe_search_data = object_to_search_data(activity.object)
if activity.data["type"] == "Create" and maybe_search_data do
result =
meili_put(
"/indexes/objects/documents",
[maybe_search_data]
)
with {:ok, %{"status" => "enqueued"}} <- result do
# Added successfully
:ok
else
_ ->
# There was an error, report it
Logger.error("Failed to add activity #{activity.id} to index: #{inspect(result)}")
{:error, result}
end
else
# The post isn't something we can search, that's ok
:ok
end
end
@impl true
def remove_from_index(object) do
meili_delete("/indexes/objects/documents/#{object.id}")
end
end
|
