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list.ex
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list.ex
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defmodule Pleroma.List do
use Ecto.Schema
import Ecto.{Changeset, Query}
alias Pleroma.{User, Repo}
schema "lists" do
belongs_to(:user, Pleroma.User)
field(:title, :string)
field(:following, {:array, :string}, default: [])
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: user_id} = _user, id) do
query =
from(
l in Pleroma.List,
where: l.id == ^id,
where: l.user_id == ^user_id
)
Repo.one(query)
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
def rename(%Pleroma.List{} = list, title) do
list
|> title_changeset(%{title: title})
|> Repo.update()
end
def create(title, %User{} = creator) do
list = %Pleroma.List{user_id: creator.id, title: title}
Repo.insert(list)
end
# TODO check that user is following followed
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
end

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