defmodule Pleroma.Object do
use Ecto.Schema
- alias Pleroma.{Repo, Object, User, Activity, ObjectTombstone}
- import Ecto.{Query, Changeset}
- schema "objects" do
- field(:data, :map)
+ alias Pleroma.Activity
+ alias Pleroma.Object
+ alias Pleroma.Object.Fetcher
+ alias Pleroma.ObjectTombstone
+ alias Pleroma.Repo
+ alias Pleroma.User
- timestamps()
- end
+ import Ecto.Query
+ import Ecto.Changeset
- def insert_or_get(cng) do
- {_, data} = fetch_field(cng, :data)
- id = data["id"] || data[:id]
- key = "object:#{id}"
+ require Logger
- fetcher = fn _ ->
- with nil <- get_by_ap_id(id),
- {:ok, object} <- Repo.insert(cng) do
- {:commit, object}
- else
- %Object{} = object -> {:commit, object}
- e -> {:ignore, e}
- end
- end
+ schema "objects" do
+ field(:data, :map)
- with {state, object} when state in [:commit, :ok] <- Cachex.fetch(:object_cache, key, fetcher) do
- {:ok, object}
- end
+ timestamps()
end
def create(data) do
Object.change(%Object{}, %{data: data})
- |> insert_or_get()
+ |> Repo.insert()
end
def change(struct, params \\ %{}) do
|> unique_constraint(:ap_id, name: :objects_unique_apid_index)
end
+ def get_by_id(nil), do: nil
+ def get_by_id(id), do: Repo.get(Object, id)
+
+ def get_by_id_and_maybe_refetch(id, opts \\ []) do
+ %{updated_at: updated_at} = object = get_by_id(id)
+
+ if opts[:interval] &&
+ NaiveDateTime.diff(NaiveDateTime.utc_now(), updated_at) > opts[:interval] do
+ case Fetcher.refetch_object(object) do
+ {:ok, %Object{} = object} ->
+ object
+
+ e ->
+ Logger.error("Couldn't refresh #{object.data["id"]}:\n#{inspect(e)}")
+ object
+ end
+ else
+ object
+ end
+ end
+
def get_by_ap_id(nil), do: nil
def get_by_ap_id(ap_id) do
Repo.one(from(object in Object, where: fragment("(?)->>'id' = ?", object.data, ^ap_id)))
end
- def normalize(%{"id" => ap_id}), do: normalize(ap_id)
- def normalize(ap_id) when is_binary(ap_id), do: get_cached_by_ap_id(ap_id)
- def normalize(_), do: nil
+ defp warn_on_no_object_preloaded(ap_id) do
+ "Object.normalize() called without preloaded object (#{inspect(ap_id)}). Consider preloading the object"
+ |> Logger.debug()
+
+ Logger.debug("Backtrace: #{inspect(Process.info(:erlang.self(), :current_stacktrace))}")
+ end
+
+ def normalize(_, fetch_remote \\ true, options \\ [])
+
+ # If we pass an Activity to Object.normalize(), we can try to use the preloaded object.
+ # Use this whenever possible, especially when walking graphs in an O(N) loop!
+ def normalize(%Object{} = object, _, _), do: object
+ def normalize(%Activity{object: %Object{} = object}, _, _), do: object
+
+ # A hack for fake activities
+ def normalize(%Activity{data: %{"object" => %{"fake" => true} = data}}, _, _) do
+ %Object{id: "pleroma:fake_object_id", data: data}
+ end
+
+ # No preloaded object
+ def normalize(%Activity{data: %{"object" => %{"id" => ap_id}}}, fetch_remote, _) do
+ warn_on_no_object_preloaded(ap_id)
+ normalize(ap_id, fetch_remote)
+ end
+
+ # No preloaded object
+ def normalize(%Activity{data: %{"object" => ap_id}}, fetch_remote, _) do
+ warn_on_no_object_preloaded(ap_id)
+ normalize(ap_id, fetch_remote)
+ end
+
+ # Old way, try fetching the object through cache.
+ def normalize(%{"id" => ap_id}, fetch_remote, _), do: normalize(ap_id, fetch_remote)
+ def normalize(ap_id, false, _) when is_binary(ap_id), do: get_cached_by_ap_id(ap_id)
+
+ def normalize(ap_id, true, options) when is_binary(ap_id) do
+ Fetcher.fetch_object_from_id!(ap_id, options)
+ end
+
+ def normalize(_, _, _), do: nil
# Owned objects can only be mutated by their owner
def authorize_mutation(%Object{data: %{"actor" => actor}}, %User{ap_id: ap_id}),
def delete(%Object{data: %{"id" => id}} = object) do
with {:ok, _obj} = swap_object_with_tombstone(object),
- Repo.delete_all(Activity.by_object_ap_id(id)),
- {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
+ deleted_activity = Activity.delete_by_ap_id(id),
+ {:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
+ {:ok, _} <- Cachex.del(:web_resp_cache, URI.parse(id).path) do
+ {:ok, object, deleted_activity}
+ end
+ end
+
+ def prune(%Object{data: %{"id" => id}} = object) do
+ with {:ok, object} <- Repo.delete(object),
+ {:ok, true} <- Cachex.del(:object_cache, "object:#{id}"),
+ {:ok, _} <- Cachex.del(:web_resp_cache, URI.parse(id).path) do
{:ok, object}
end
end
def update_and_set_cache(changeset) do
with {:ok, object} <- Repo.update(changeset) do
set_cache(object)
+ end
+ end
+
+ def increase_replies_count(ap_id) do
+ Object
+ |> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
+ |> update([o],
+ set: [
+ data:
+ fragment(
+ """
+ safe_jsonb_set(?, '{repliesCount}',
+ (coalesce((?->>'repliesCount')::int, 0) + 1)::varchar::jsonb, true)
+ """,
+ o.data,
+ o.data
+ )
+ ]
+ )
+ |> Repo.update_all([])
+ |> case do
+ {1, [object]} -> set_cache(object)
+ _ -> {:error, "Not found"}
+ end
+ end
+
+ def decrease_replies_count(ap_id) do
+ Object
+ |> where([o], fragment("?->>'id' = ?::text", o.data, ^to_string(ap_id)))
+ |> update([o],
+ set: [
+ data:
+ fragment(
+ """
+ safe_jsonb_set(?, '{repliesCount}',
+ (greatest(0, (?->>'repliesCount')::int - 1))::varchar::jsonb, true)
+ """,
+ o.data,
+ o.data
+ )
+ ]
+ )
+ |> Repo.update_all([])
+ |> case do
+ {1, [object]} -> set_cache(object)
+ _ -> {:error, "Not found"}
+ end
+ end
+
+ def increase_vote_count(ap_id, name) do
+ with %Object{} = object <- Object.normalize(ap_id),
+ "Question" <- object.data["type"] do
+ multiple = Map.has_key?(object.data, "anyOf")
+
+ options =
+ (object.data["anyOf"] || object.data["oneOf"] || [])
+ |> Enum.map(fn
+ %{"name" => ^name} = option ->
+ Kernel.update_in(option["replies"]["totalItems"], &(&1 + 1))
+
+ option ->
+ option
+ end)
+
+ data =
+ if multiple do
+ Map.put(object.data, "anyOf", options)
+ else
+ Map.put(object.data, "oneOf", options)
+ end
+
+ object
+ |> Object.change(%{data: data})
+ |> update_and_set_cache()
else
- e -> e
+ _ -> :noop
end
end
+
+ @doc "Updates data field of an object"
+ def update_data(%Object{data: data} = object, attrs \\ %{}) do
+ object
+ |> Object.change(%{data: Map.merge(data || %{}, attrs)})
+ |> Repo.update()
+ end
end
projects / akkoma / blobdiff