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defmodule Pleroma.User do
use Ecto.Schema
import Ecto.Changeset
alias Pleroma.{Repo, User}
schema "users" do
field :bio, :string
field :email, :string
field :name, :string
field :nickname, :string
field :password_hash, :string
field :following, { :array, :string }, default: []
field :ap_id, :string
timestamps()
end
def ap_id(%User{nickname: nickname}) do
"#{Pleroma.Web.base_url}/users/#{nickname}"
end
def ap_followers(%User{} = user) do
"#{ap_id(user)}/followers"
end
def follow_changeset(struct, params \\ %{}) do
struct
|> cast(params, [:following])
|> validate_required([:following])
end
def follow(%User{} = follower, %User{} = followed) do
ap_followers = User.ap_followers(followed)
if following?(follower, followed) do
{ :error,
"Could not follow user: #{followed.nickname} is already on your list." }
else
following = [ap_followers | follower.following]
|> Enum.uniq
follower
|> follow_changeset(%{following: following})
|> Repo.update
end
end
def unfollow(%User{} = follower, %User{} = followed) do
ap_followers = User.ap_followers(followed)
if following?(follower, followed) do
following = follower.following
|> List.delete(ap_followers)
follower
|> follow_changeset(%{following: following})
|> Repo.update
else
{ :error, "Not subscribed!" }
end
end
def following?(%User{} = follower, %User{} = followed) do
Enum.member?(follower.following, User.ap_followers(followed))
end
end
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