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# Pleroma: A lightweight social networking server
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.MastodonAPI.DirectoryController do
use Pleroma.Web, :controller
import Ecto.Query
alias Pleroma.Pagination
alias Pleroma.User
alias Pleroma.UserRelationship
alias Pleroma.Web.MastodonAPI.AccountView
require Logger
plug(Pleroma.Web.ApiSpec.CastAndValidate)
plug(:skip_auth when action == "index")
defdelegate open_api_operation(action), to: Pleroma.Web.ApiSpec.DirectoryOperation
@doc "GET /api/v1/directory"
def index(%{assigns: %{user: user}} = conn, params) do
with true <- Pleroma.Config.get([:instance, :profile_directory]) do
limit = Map.get(params, :limit, 20) |> min(80)
users =
User.Query.build(%{is_discoverable: true, invisible: false, limit: limit})
|> order_by_creation_date(params)
|> exclude_remote(params)
|> exclude_user(user)
|> exclude_relationships(user, [:block, :mute])
|> Pagination.fetch_paginated(params, :offset)
conn
|> put_view(AccountView)
|> render("index.json", for: user, users: users, as: :user)
else
_ -> json(conn, [])
end
end
defp order_by_creation_date(query, %{order: "new"}) do
query
end
defp order_by_creation_date(query, _params) do
query
|> order_by([u], desc_nulls_last: u.last_status_at)
end
defp exclude_remote(query, %{local: true}) do
where(query, [u], u.local == true)
end
defp exclude_remote(query, _params) do
query
end
defp exclude_user(query, %User{id: user_id}) do
where(query, [u], u.id != ^user_id)
end
defp exclude_user(query, _user) do
query
end
defp exclude_relationships(query, %User{id: user_id}, relationship_types) do
query
|> join(:left, [u], r in UserRelationship,
as: :user_relationships,
on:
r.target_id == u.id and r.source_id == ^user_id and
r.relationship_type in ^relationship_types
)
|> where([user_relationships: r], is_nil(r.target_id))
end
defp exclude_relationships(query, _user, _relationship_types) do
query
end
end
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