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akkoma/lib/pleroma/conversation.ex

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Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Conversation do
alias Pleroma.Conversation.Participation
alias Pleroma.Conversation.Participation.RecipientShip
alias Pleroma.Repo
alias Pleroma.User
use Ecto.Schema
import Ecto.Changeset
schema "conversations" do
# This is the context ap id.
field(:ap_id, :string)
has_many(:participations, Participation)
has_many(:users, through: [:participations, :user])
timestamps()
end
def creation_cng(struct, params) do
struct
|> cast(params, [:ap_id])
|> validate_required([:ap_id])
|> unique_constraint(:ap_id)
end
def create_for_ap_id(ap_id) do
%__MODULE__{}
|> creation_cng(%{ap_id: ap_id})
|> Repo.insert(
on_conflict: [set: [updated_at: NaiveDateTime.utc_now()]],
returning: true,
conflict_target: :ap_id
)
end
def get_for_ap_id(ap_id) do
Repo.get_by(__MODULE__, ap_id: ap_id)
end
def maybe_create_recipientships(participation, activity) do
participation = Repo.preload(participation, :recipients)
if participation.recipients |> Enum.empty?() do
recipients = User.get_all_by_ap_id(activity.recipients)
RecipientShip.create(recipients, participation)
end
end
@doc """
This will
1. Create a conversation if there isn't one already
2. Create a participation for all the people involved who don't have one already
3. Bump all relevant participations to 'unread'
"""
def create_or_bump_for(activity, opts \\ []) do
with true <- Pleroma.Web.ActivityPub.Visibility.is_direct?(activity),
"Create" <- activity.data["type"],
object <- Pleroma.Object.normalize(activity),
true <- object.data["type"] in ["Note", "Question"],
ap_id when is_binary(ap_id) and byte_size(ap_id) > 0 <- object.data["context"] do
{:ok, conversation} = create_for_ap_id(ap_id)
users = User.get_users_from_set(activity.recipients, local_only: false)
participations =
Enum.map(users, fn user ->
invisible_conversation = Enum.any?(users, &User.blocks?(user, &1))
unless invisible_conversation do
User.increment_unread_conversation_count(conversation, user)
end
opts = Keyword.put(opts, :invisible_conversation, invisible_conversation)
{:ok, participation} =
Participation.create_for_user_and_conversation(user, conversation, opts)
maybe_create_recipientships(participation, activity)
participation
end)
{:ok,
%{
conversation
| participations: participations
}}
else
e -> {:error, e}
end
end
@doc """
This is only meant to be run by a mix task. It creates conversations/participations for all direct messages in the database.
"""
def bump_for_all_activities do
stream =
Pleroma.Web.ActivityPub.ActivityPub.fetch_direct_messages_query()
|> Repo.stream()
Repo.transaction(
fn ->
stream
|> Enum.each(fn a -> create_or_bump_for(a, read: true) end)
end,
timeout: :infinity
)
end
end