git.squeep.com Git - akkoma/blob - lib/pleroma/user.ex

   1 defmodule Pleroma.User do
   2   use Ecto.Schema
   3
   4   import Ecto.{Changeset, Query}
   5   alias Pleroma.{Repo, User, Object, Web}
   6   alias Comeonin.Pbkdf2
   7   alias Pleroma.Web.OStatus
   8
   9   schema "users" do
  10     field :bio, :string
  11     field :email, :string
  12     field :name, :string
  13     field :nickname, :string
  14     field :password_hash, :string
  15     field :password, :string, virtual: true
  16     field :password_confirmation, :string, virtual: true
  17     field :following, {:array, :string}, default: []
  18     field :ap_id, :string
  19     field :avatar, :map
  20     field :local, :boolean, default: true
  21     field :info, :map, default: %{}
  22
  23     timestamps()
  24   end
  25
  26   def avatar_url(user) do
  27     case user.avatar do
  28       %{"url" => [%{"href" => href} | _]} -> href
  29       _ -> "https://placehold.it/48x48"
  30     end
  31   end
  32
  33   def ap_id(%User{nickname: nickname}) do
  34     "#{Web.base_url}/users/#{nickname}"
  35   end
  36
  37   def ap_followers(%User{} = user) do
  38     "#{ap_id(user)}/followers"
  39   end
  40
  41   def follow_changeset(struct, params \\ %{}) do
  42     struct
  43     |> cast(params, [:following])
  44     |> validate_required([:following])
  45   end
  46
  47   def user_info(%User{} = user) do
  48     note_count_query = from a in Object,
  49       where: fragment("? @> ?", a.data, ^%{actor: user.ap_id, type: "Note"}),
  50       select: count(a.id)
  51
  52     follower_count_query = from u in User,
  53       where: fragment("? @> ?", u.following, ^User.ap_followers(user)),
  54       select: count(u.id)
  55
  56     %{
  57       following_count: length(user.following),
  58       note_count: Repo.one(note_count_query),
  59       follower_count: Repo.one(follower_count_query)
  60     }
  61   end
  62
  63   def register_changeset(struct, params \\ %{}) do
  64     changeset = struct
  65     |> cast(params, [:bio, :email, :name, :nickname, :password, :password_confirmation])
  66     |> validate_required([:bio, :email, :name, :nickname, :password, :password_confirmation])
  67     |> validate_confirmation(:password)
  68     |> unique_constraint(:email)
  69     |> unique_constraint(:nickname)
  70     |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
  71
  72     if changeset.valid? do
  73       hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
  74       ap_id = User.ap_id(%User{nickname: changeset.changes[:nickname]})
  75       followers = User.ap_followers(%User{nickname: changeset.changes[:nickname]})
  76       changeset
  77       |> put_change(:password_hash, hashed)
  78       |> put_change(:ap_id, ap_id)
  79       |> put_change(:following, [followers])
  80     else
  81       changeset
  82     end
  83   end
  84
  85   def follow(%User{} = follower, %User{} = followed) do
  86     ap_followers = User.ap_followers(followed)
  87     if following?(follower, followed) do
  88       {:error,
  89        "Could not follow user: #{followed.nickname} is already on your list."}
  90     else
  91       following = [ap_followers | follower.following]
  92       |> Enum.uniq
  93
  94       follower
  95       |> follow_changeset(%{following: following})
  96       |> Repo.update
  97     end
  98   end
  99
 100   def unfollow(%User{} = follower, %User{} = followed) do
 101     ap_followers = User.ap_followers(followed)
 102     if following?(follower, followed) do
 103       following = follower.following
 104       |> List.delete(ap_followers)
 105
 106       follower
 107       |> follow_changeset(%{following: following})
 108       |> Repo.update
 109     else
 110       {:error, "Not subscribed!"}
 111     end
 112   end
 113
 114   def following?(%User{} = follower, %User{} = followed) do
 115     Enum.member?(follower.following, User.ap_followers(followed))
 116   end
 117
 118   def get_cached_by_ap_id(ap_id) do
 119     key = "ap_id:#{ap_id}"
 120     Cachex.get!(:user_cache, key, fallback: fn(_) -> Repo.get_by(User, ap_id: ap_id) end)
 121   end
 122
 123   def get_cached_by_nickname(nickname) do
 124     key = "nickname:#{nickname}"
 125     Cachex.get!(:user_cache, key, fallback: fn(_) -> get_or_fetch_by_nickname(nickname) end)
 126   end
 127
 128   def get_by_nickname(nickname) do
 129     Repo.get_by(User, nickname: nickname)
 130   end
 131
 132   def get_cached_user_info(user) do
 133     key = "user_info:#{user.id}"
 134     Cachex.get!(:user_cache, key, fallback: fn(_) -> user_info(user) end)
 135   end
 136
 137   def get_or_fetch_by_nickname(nickname) do
 138     with %User{} = user <- get_by_nickname(nickname)  do
 139       user
 140     else _e ->
 141       with [nick, domain] <- String.split(nickname, "@"),
 142            {:ok, user} <- OStatus.make_user(nickname) do
 143         user
 144       else _e -> nil
 145       end
 146     end
 147   end
 148 end