Merge remote-tracking branch 'remotes/origin/develop' into feature/object-hashtags...

[akkoma] / lib / pleroma / object.ex

diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 052ad413bd6c7b2897b3b5823a60f1b884f96394..1d756bcd1743af73eb413999cddcfd120f15f62e 100644 (file)
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -10,6 +10,7 @@ defmodule Pleroma.Object do
 
   alias Pleroma.Activity
   alias Pleroma.Config
+  alias Pleroma.Hashtag
   alias Pleroma.Object
   alias Pleroma.Object.Fetcher
   alias Pleroma.ObjectTombstone
@@ -23,9 +24,13 @@ defmodule Pleroma.Object do
 
   @derive {Jason.Encoder, only: [:data]}
 
+  @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
+
   schema "objects" do
     field(:data, :map)
 
+    many_to_many(:hashtags, Hashtag, join_through: "hashtags_objects", on_replace: :delete)
+
     timestamps()
   end
 
@@ -47,7 +52,8 @@ defmodule Pleroma.Object do
   end
 
   def create(data) do
-    Object.change(%Object{}, %{data: data})
+    %Object{}
+    |> Object.change(%{data: data})
     |> Repo.insert()
   end
 
@@ -56,8 +62,37 @@ defmodule Pleroma.Object do
     |> cast(params, [:data])
     |> validate_required([:data])
     |> unique_constraint(:ap_id, name: :objects_unique_apid_index)
+    |> maybe_handle_hashtags_change(struct)
+  end
+
+  defp maybe_handle_hashtags_change(changeset, struct) do
+    with data_hashtags_change = get_change(changeset, :data),
+         true <- hashtags_changed?(struct, data_hashtags_change),
+         {:ok, hashtag_records} <-
+           data_hashtags_change
+           |> object_data_hashtags()
+           |> Hashtag.get_or_create_by_names() do
+      put_assoc(changeset, :hashtags, hashtag_records)
+    else
+      false ->
+        changeset
+
+      {:error, hashtag_changeset} ->
+        failed_hashtag = get_field(hashtag_changeset, :name)
+
+        validate_change(changeset, :data, fn _, _ ->
+          [data: "error referencing hashtag: #{failed_hashtag}"]
+        end)
+    end
+  end
+
+  defp hashtags_changed?(%Object{} = struct, %{"tag" => _} = data) do
+    Enum.sort(embedded_hashtags(struct)) !=
+      Enum.sort(object_data_hashtags(data))
   end
 
+  defp hashtags_changed?(_, _), do: false
+
   def get_by_id(nil), do: nil
   def get_by_id(id), do: Repo.get(Object, id)
 
@@ -156,9 +191,9 @@ defmodule Pleroma.Object do
   def get_cached_by_ap_id(ap_id) do
     key = "object:#{ap_id}"
 
-    with {:ok, nil} <- Cachex.get(:object_cache, key),
+    with {:ok, nil} <- @cachex.get(:object_cache, key),
          object when not is_nil(object) <- get_by_ap_id(ap_id),
-         {:ok, true} <- Cachex.put(:object_cache, key, object) do
+         {:ok, true} <- @cachex.put(:object_cache, key, object) do
       object
     else
       {:ok, object} -> object
@@ -216,13 +251,13 @@ defmodule Pleroma.Object do
   end
 
   def invalid_object_cache(%Object{data: %{"id" => id}}) do
-    with {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
-      Cachex.del(:web_resp_cache, URI.parse(id).path)
+    with {:ok, true} <- @cachex.del(:object_cache, "object:#{id}") do
+      @cachex.del(:web_resp_cache, URI.parse(id).path)
     end
   end
 
   def set_cache(%Object{data: %{"id" => ap_id}} = object) do
-    Cachex.put(:object_cache, "object:#{ap_id}", object)
+    @cachex.put(:object_cache, "object:#{ap_id}", object)
     {:ok, object}
   end
 
@@ -344,4 +379,23 @@ defmodule Pleroma.Object do
 
   def self_replies(object, opts \\ []),
     do: replies(object, Keyword.put(opts, :self_only, true))
+
+  def tags(%Object{data: %{"tag" => tags}}) when is_list(tags), do: tags
+
+  def tags(_), do: []
+
+  def hashtags(object), do: embedded_hashtags(object)
+
+  defp embedded_hashtags(%Object{data: data}) do
+    object_data_hashtags(data)
+  end
+
+  defp embedded_hashtags(_), do: []
+
+  defp object_data_hashtags(%{"tag" => tags}) when is_list(tags) do
+    # Note: AS2 map-type elements are ignored
+    Enum.filter(tags, &is_bitstring(&1))
+  end
+
+  defp object_data_hashtags(_), do: []
 end