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user.ex
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user.ex
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defmodule Pleroma.User do
use Ecto.Schema
import Ecto.{Changeset, Query}
alias Pleroma.{Repo, User, Object, Web}
alias Comeonin.Pbkdf2
schema "users" do
field :bio, :string
field :email, :string
field :name, :string
field :nickname, :string
field :password_hash, :string
field :password, :string, virtual: true
field :password_confirmation, :string, virtual: true
field :following, {:array, :string}, default: []
field :ap_id, :string
field :avatar, :map
timestamps()
end
def avatar_url(user) do
case user.avatar do
%{"url" => [%{"href" => href} | _]} -> href
_ -> "https://placehold.it/48x48"
end
end
def ap_id(%User{nickname: nickname}) do
"#{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 user_info(%User{} = user) do
note_count_query = from a in Object,
where: fragment("? @> ?", a.data, ^%{actor: user.ap_id, type: "Note"}),
select: count(a.id)
follower_count_query = from u in User,
where: fragment("? @> ?", u.following, ^User.ap_followers(user)),
select: count(u.id)
%{
following_count: length(user.following),
note_count: Repo.one(note_count_query),
follower_count: Repo.one(follower_count_query)
}
end
def register_changeset(struct, params \\ %{}) do
changeset = struct
|> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
|> validate_required([:bio, :email, :name, :nickname, :password, :password_confirmation])
|> validate_confirmation(:password)
|> unique_constraint(:email)
|> unique_constraint(:nickname)
|> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
if changeset.valid? do
hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
changeset
|> put_change(:password_hash, hashed)
|> put_change(:ap_id, ap_id)
|> put_change(:following, [followers])
else
changeset
end
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
def get_cached_by_ap_id(ap_id) do
key = "ap_id:#{ap_id}"
Cachex.get!(:user_cache, key, fallback: fn(_) -> Repo.get_by(User, ap_id: ap_id) end)
end
def get_cached_by_nickname(nickname) do
key = "nickname:#{nickname}"
Cachex.get!(:user_cache, key, fallback: fn(_) -> Repo.get_by(User, nickname: nickname) end)
end
end

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