Initial meilisearch implementation, doesn't delete posts yet

[akkoma] / lib / pleroma / web / mastodon_api / controllers / search_controller.ex

diff --git a/lib/pleroma/web/mastodon_api/controllers/search_controller.ex b/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
index 86ad388fd9d7aeba6da71b8fb91ff610d89aa0ed..aaf52cdc597bb523dff377a5096a6bb2eac5a4f9 100644 (file)
--- a/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
+++ b/lib/pleroma/web/mastodon_api/controllers/search_controller.ex
@@ -5,6 +5,7 @@
 defmodule Pleroma.Web.MastodonAPI.SearchController do
   use Pleroma.Web, :controller
 
+  alias Pleroma.Repo
   alias Pleroma.User
   alias Pleroma.Web.ControllerHelper
   alias Pleroma.Web.MastodonAPI.AccountView
@@ -64,6 +65,106 @@ defmodule Pleroma.Web.MastodonAPI.SearchController do
     |> Enum.filter(&elem(&1, 1))
   end
 
+  defp resource_search(_, "accounts", query, options) do
+    accounts = with_fallback(fn -> User.search(query, options) end)
+
+    AccountView.render("index.json",
+      users: accounts,
+      for: options[:for_user],
+      embed_relationships: options[:embed_relationships]
+    )
+  end
+
+  defp resource_search(_, "statuses", query, options) do
+    search_module = Pleroma.Config.get([Pleroma.Search, :module], Pleroma.Activity)
+
+    statuses = with_fallback(fn -> search_module.search(options[:for_user], query, options) end)
+
+    StatusView.render("index.json",
+      activities: statuses,
+      for: options[:for_user],
+      as: :activity
+    )
+  end
+
+  defp resource_search(:v2, "hashtags", query, options) do
+    tags_path = Endpoint.url() <> "/tag/"
+
+    query
+    |> prepare_tags(options)
+    |> Enum.map(fn tag ->
+      %{name: tag, url: tags_path <> tag}
+    end)
+  end
+
+  defp resource_search(:v1, "hashtags", query, options) do
+    prepare_tags(query, options)
+  end
+
+  defp prepare_tags(query, options) do
+    tags =
+      query
+      |> preprocess_uri_query()
+      |> String.split(~r/[^#\w]+/u, trim: true)
+      |> Enum.uniq_by(&String.downcase/1)
+
+    explicit_tags = Enum.filter(tags, fn tag -> String.starts_with?(tag, "#") end)
+
+    tags =
+      if Enum.any?(explicit_tags) do
+        explicit_tags
+      else
+        tags
+      end
+
+    tags = Enum.map(tags, fn tag -> String.trim_leading(tag, "#") end)
+
+    tags =
+      if Enum.empty?(explicit_tags) && !options[:skip_joined_tag] do
+        add_joined_tag(tags)
+      else
+        tags
+      end
+
+    Pleroma.Pagination.paginate(tags, options)
+  end
+
+  defp add_joined_tag(tags) do
+    tags
+    |> Kernel.++([joined_tag(tags)])
+    |> Enum.uniq_by(&String.downcase/1)
+  end
+
+  # If `query` is a URI, returns last component of its path, otherwise returns `query`
+  defp preprocess_uri_query(query) do
+    if query =~ ~r/https?:\/\// do
+      query
+      |> String.trim_trailing("/")
+      |> URI.parse()
+      |> Map.get(:path)
+      |> String.split("/")
+      |> Enum.at(-1)
+    else
+      query
+    end
+  end
+
+  defp joined_tag(tags) do
+    tags
+    |> Enum.map(fn tag -> String.capitalize(tag) end)
+    |> Enum.join()
+  end
+
+  defp with_fallback(f, fallback \\ []) do
+    try do
+      f.()
+    rescue
+      error ->
+        Logger.error("#{__MODULE__} search error: #{inspect(error)}")
+        fallback
+    end
+  end
+
   defp get_author(%{account_id: account_id}) when is_binary(account_id),
     do: User.get_cached_by_id(account_id)