forked from AkkomaGang/akkoma
148 lines
3.4 KiB
Elixir
148 lines
3.4 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.List do
|
|
use Ecto.Schema
|
|
|
|
import Ecto.Query
|
|
import Ecto.Changeset
|
|
|
|
alias Pleroma.Activity
|
|
alias Pleroma.Repo
|
|
alias Pleroma.User
|
|
|
|
schema "lists" do
|
|
belongs_to(:user, User, type: FlakeId.Ecto.CompatType)
|
|
field(:title, :string)
|
|
field(:following, {:array, :string}, default: [])
|
|
field(:ap_id, :string)
|
|
|
|
timestamps()
|
|
end
|
|
|
|
def title_changeset(list, attrs \\ %{}) do
|
|
list
|
|
|> cast(attrs, [:title])
|
|
|> validate_required([:title])
|
|
end
|
|
|
|
def follow_changeset(list, attrs \\ %{}) do
|
|
list
|
|
|> cast(attrs, [:following])
|
|
|> validate_required([:following])
|
|
end
|
|
|
|
def for_user(user, _opts) do
|
|
query =
|
|
from(
|
|
l in Pleroma.List,
|
|
where: l.user_id == ^user.id,
|
|
order_by: [desc: l.id],
|
|
limit: 50
|
|
)
|
|
|
|
Repo.all(query)
|
|
end
|
|
|
|
def get(id, %{id: user_id} = _user) do
|
|
query =
|
|
from(
|
|
l in Pleroma.List,
|
|
where: l.id == ^id,
|
|
where: l.user_id == ^user_id
|
|
)
|
|
|
|
Repo.one(query)
|
|
end
|
|
|
|
def get_by_ap_id(ap_id) do
|
|
Repo.get_by(__MODULE__, ap_id: ap_id)
|
|
end
|
|
|
|
def get_following(%Pleroma.List{following: following} = _list) do
|
|
q =
|
|
from(
|
|
u in User,
|
|
where: u.follower_address in ^following
|
|
)
|
|
|
|
{:ok, Repo.all(q)}
|
|
end
|
|
|
|
# Get lists the activity should be streamed to.
|
|
def get_lists_from_activity(%Activity{actor: ap_id}) do
|
|
actor = User.get_cached_by_ap_id(ap_id)
|
|
|
|
query =
|
|
from(
|
|
l in Pleroma.List,
|
|
where: fragment("? && ?", l.following, ^[actor.follower_address])
|
|
)
|
|
|
|
Repo.all(query)
|
|
end
|
|
|
|
# Get lists to which the account belongs.
|
|
def get_lists_account_belongs(%User{} = owner, user) do
|
|
Pleroma.List
|
|
|> where([l], l.user_id == ^owner.id)
|
|
|> where([l], fragment("? = ANY(?)", ^user.follower_address, l.following))
|
|
|> Repo.all()
|
|
end
|
|
|
|
def rename(%Pleroma.List{} = list, title) do
|
|
list
|
|
|> title_changeset(%{title: title})
|
|
|> Repo.update()
|
|
end
|
|
|
|
def create(title, %User{} = creator) do
|
|
changeset = title_changeset(%Pleroma.List{user_id: creator.id}, %{title: title})
|
|
|
|
if changeset.valid? do
|
|
Repo.transaction(fn ->
|
|
list = Repo.insert!(changeset)
|
|
|
|
list
|
|
|> change(ap_id: "#{creator.ap_id}/lists/#{list.id}")
|
|
|> Repo.update!()
|
|
end)
|
|
else
|
|
{:error, changeset}
|
|
end
|
|
end
|
|
|
|
def follow(%Pleroma.List{following: following} = list, %User{} = followed) do
|
|
update_follows(list, %{following: Enum.uniq([followed.follower_address | following])})
|
|
end
|
|
|
|
def unfollow(%Pleroma.List{following: following} = list, %User{} = unfollowed) do
|
|
update_follows(list, %{following: List.delete(following, unfollowed.follower_address)})
|
|
end
|
|
|
|
def delete(%Pleroma.List{} = list) do
|
|
Repo.delete(list)
|
|
end
|
|
|
|
def update_follows(%Pleroma.List{} = list, attrs) do
|
|
list
|
|
|> follow_changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
def memberships(%User{follower_address: follower_address}) do
|
|
Pleroma.List
|
|
|> where([l], ^follower_address in l.following)
|
|
|> select([l], l.ap_id)
|
|
|> Repo.all()
|
|
end
|
|
|
|
def memberships(_), do: []
|
|
|
|
def member?(%Pleroma.List{following: following}, %User{follower_address: follower_address}) do
|
|
Enum.member?(following, follower_address)
|
|
end
|
|
|
|
def member?(_, _), do: false
|
|
end
|