merge develop

[akkoma] / lib / pleroma / object.ex

diff --git a/lib/pleroma/object.ex b/lib/pleroma/object.ex
index 58e46ef1d4dcb1771ca1b377f1360abfae7bf2d4..c8d339c190ba048bc2248f29dfac1807c634cbd9 100644 (file)
--- a/lib/pleroma/object.ex
+++ b/lib/pleroma/object.ex
@@ -7,6 +7,7 @@ defmodule Pleroma.Object do
 
   alias Pleroma.Activity
   alias Pleroma.Object
+  alias Pleroma.Object.Fetcher
   alias Pleroma.ObjectTombstone
   alias Pleroma.Repo
   alias Pleroma.User
@@ -14,6 +15,8 @@ defmodule Pleroma.Object do
   import Ecto.Query
   import Ecto.Changeset
 
+  require Logger
+
   schema "objects" do
     field(:data, :map)
 
@@ -32,15 +35,55 @@ defmodule Pleroma.Object 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_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 (#{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}),
@@ -92,6 +135,13 @@ defmodule Pleroma.Object do
     end
   end
 
+  def prune(%Object{data: %{"id" => id}} = object) do
+    with {:ok, object} <- Repo.delete(object),
+         {:ok, true} <- Cachex.del(:object_cache, "object:#{id}") do
+      {:ok, object}
+    end
+  end
+
   def set_cache(%Object{data: %{"id" => ap_id}} = object) do
     Cachex.put(:object_cache, "object:#{ap_id}", object)
     {:ok, object}
@@ -104,4 +154,80 @@ defmodule Pleroma.Object do
       e -> e
     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(
+            """
+            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(
+            """
+            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
+      _ -> :noop
+    end
+  end
 end