# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.UserRelationship do
import Ecto.Changeset
import Ecto.Query
+ alias Ecto.Changeset
+ alias Pleroma.FollowingRelationship
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.UserRelationship
schema "user_relationships" do
belongs_to(:source, User, type: FlakeId.Ecto.CompatType)
belongs_to(:target, User, type: FlakeId.Ecto.CompatType)
- field(:relationship_type, UserRelationshipTypeEnum)
+ field(:relationship_type, Pleroma.UserRelationship.Type)
timestamps(updated_at: false)
end
- for relationship_type <- Keyword.keys(UserRelationshipTypeEnum.__enum_map__()) do
+ for relationship_type <- Keyword.keys(Pleroma.UserRelationship.Type.__enum_map__()) do
# `def create_block/2`, `def create_mute/2`, `def create_reblog_mute/2`,
# `def create_notification_mute/2`, `def create_inverse_subscription/2`
def unquote(:"create_#{relationship_type}")(source, target),
do: exists?(unquote(relationship_type), source, target)
end
+ def user_relationship_types, do: Keyword.keys(user_relationship_mappings())
+
+ def user_relationship_mappings, do: Pleroma.UserRelationship.Type.__enum_map__()
+
def changeset(%UserRelationship{} = user_relationship, params \\ %{}) do
user_relationship
|> cast(params, [:relationship_type, :source_id, :target_id])
target_id: target.id
})
|> Repo.insert(
- on_conflict: {:replace_all_except, [:id]},
- conflict_target: [:source_id, :relationship_type, :target_id]
+ on_conflict: {:replace_all_except, [:id, :inserted_at]},
+ conflict_target: [:source_id, :relationship_type, :target_id],
+ returning: true
)
end
end
end
- defp validate_not_self_relationship(%Ecto.Changeset{} = changeset) do
+ def dictionary(
+ source_users,
+ target_users,
+ source_to_target_rel_types \\ nil,
+ target_to_source_rel_types \\ nil
+ )
+
+ def dictionary(
+ _source_users,
+ _target_users,
+ [] = _source_to_target_rel_types,
+ [] = _target_to_source_rel_types
+ ) do
+ []
+ end
+
+ def dictionary(
+ source_users,
+ target_users,
+ source_to_target_rel_types,
+ target_to_source_rel_types
+ )
+ when is_list(source_users) and is_list(target_users) do
+ source_user_ids = User.binary_id(source_users)
+ target_user_ids = User.binary_id(target_users)
+
+ get_rel_type_codes = fn rel_type -> user_relationship_mappings()[rel_type] end
+
+ source_to_target_rel_types =
+ Enum.map(source_to_target_rel_types || user_relationship_types(), &get_rel_type_codes.(&1))
+
+ target_to_source_rel_types =
+ Enum.map(target_to_source_rel_types || user_relationship_types(), &get_rel_type_codes.(&1))
+
+ __MODULE__
+ |> where(
+ fragment(
+ "(source_id = ANY(?) AND target_id = ANY(?) AND relationship_type = ANY(?)) OR \
+ (source_id = ANY(?) AND target_id = ANY(?) AND relationship_type = ANY(?))",
+ ^source_user_ids,
+ ^target_user_ids,
+ ^source_to_target_rel_types,
+ ^target_user_ids,
+ ^source_user_ids,
+ ^target_to_source_rel_types
+ )
+ )
+ |> select([ur], [ur.relationship_type, ur.source_id, ur.target_id])
+ |> Repo.all()
+ end
+
+ def exists?(dictionary, rel_type, source, target, func) do
+ cond do
+ is_nil(source) or is_nil(target) ->
+ false
+
+ dictionary ->
+ [rel_type, source.id, target.id] in dictionary
+
+ true ->
+ func.(source, target)
+ end
+ end
+
+ @doc ":relationships option for StatusView / AccountView / NotificationView"
+ def view_relationships_option(reading_user, actors, opts \\ [])
+
+ def view_relationships_option(nil = _reading_user, _actors, _opts) do
+ %{user_relationships: [], following_relationships: []}
+ end
+
+ def view_relationships_option(%User{} = reading_user, actors, opts) do
+ {source_to_target_rel_types, target_to_source_rel_types} =
+ case opts[:subset] do
+ :source_mutes ->
+ # Used for statuses rendering (FE needs `muted` flag for each status when statuses load)
+ {[:mute], []}
+
+ nil ->
+ {[:block, :mute, :notification_mute, :reblog_mute], [:block, :inverse_subscription]}
+
+ unknown ->
+ raise "Unsupported :subset option value: #{inspect(unknown)}"
+ end
+
+ user_relationships =
+ UserRelationship.dictionary(
+ [reading_user],
+ actors,
+ source_to_target_rel_types,
+ target_to_source_rel_types
+ )
+
+ following_relationships =
+ case opts[:subset] do
+ :source_mutes ->
+ []
+
+ nil ->
+ FollowingRelationship.all_between_user_sets([reading_user], actors)
+
+ unknown ->
+ raise "Unsupported :subset option value: #{inspect(unknown)}"
+ end
+
+ %{user_relationships: user_relationships, following_relationships: following_relationships}
+ end
+
+ defp validate_not_self_relationship(%Changeset{} = changeset) do
changeset
- |> validate_change(:target_id, fn _, target_id ->
- if target_id == get_field(changeset, :source_id) do
- [target_id: "can't be equal to source_id"]
+ |> validate_source_id_target_id_inequality()
+ |> validate_target_id_source_id_inequality()
+ end
+
+ defp validate_source_id_target_id_inequality(%Changeset{} = changeset) do
+ validate_change(changeset, :source_id, fn _, source_id ->
+ if source_id == get_field(changeset, :target_id) do
+ [source_id: "can't be equal to target_id"]
else
[]
end
end)
- |> validate_change(:source_id, fn _, source_id ->
- if source_id == get_field(changeset, :target_id) do
- [source_id: "can't be equal to target_id"]
+ end
+
+ defp validate_target_id_source_id_inequality(%Changeset{} = changeset) do
+ validate_change(changeset, :target_id, fn _, target_id ->
+ if target_id == get_field(changeset, :source_id) do
+ [target_id: "can't be equal to source_id"]
else
[]
end
projects / akkoma / blobdiff