user.ex 4.35 KB
Newer Older
lain's avatar
lain committed
1 2
defmodule Pleroma.User do
  use Ecto.Schema
3

4 5 6
  import Ecto.{Changeset, Query}
  alias Pleroma.{Repo, User, Object, Web}
  alias Comeonin.Pbkdf2
lain's avatar
lain committed
7
  alias Pleroma.Web.{OStatus, Websub}
dtluna's avatar
dtluna committed
8
  alias Pleroma.Web.ActivityPub.ActivityPub
lain's avatar
lain committed
9 10 11 12 13 14 15

  schema "users" do
    field :bio, :string
    field :email, :string
    field :name, :string
    field :nickname, :string
    field :password_hash, :string
lain's avatar
lain committed
16 17
    field :password, :string, virtual: true
    field :password_confirmation, :string, virtual: true
18
    field :following, {:array, :string}, default: []
lain's avatar
lain committed
19
    field :ap_id, :string
lain's avatar
lain committed
20
    field :avatar, :map
21
    field :local, :boolean, default: true
lain's avatar
lain committed
22
    field :info, :map, default: %{}
lain's avatar
lain committed
23 24 25

    timestamps()
  end
lain's avatar
lain committed
26

lain's avatar
lain committed
27 28 29 30 31 32 33
  def avatar_url(user) do
    case user.avatar do
      %{"url" => [%{"href" => href} | _]} -> href
      _ -> "https://placehold.it/48x48"
    end
  end

lain's avatar
lain committed
34
  def ap_id(%User{nickname: nickname}) do
35
    "#{Web.base_url}/users/#{nickname}"
lain's avatar
lain committed
36 37 38 39 40
  end

  def ap_followers(%User{} = user) do
    "#{ap_id(user)}/followers"
  end
lain's avatar
lain committed
41 42 43 44 45 46 47

  def follow_changeset(struct, params \\ %{}) do
    struct
    |> cast(params, [:following])
    |> validate_required([:following])
  end

lain's avatar
lain committed
48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
  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

lain's avatar
lain committed
64 65 66 67 68 69 70
  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)
dtluna's avatar
dtluna committed
71
    |> validate_format(:nickname, ~r/^[a-zA-Z\d]+$/)
lain's avatar
lain committed
72 73

    if changeset.valid? do
74
      hashed = Pbkdf2.hashpwsalt(changeset.changes[:password])
lain's avatar
lain committed
75 76 77 78 79 80 81 82 83 84 85
      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

lain's avatar
lain committed
86 87
  def follow(%User{} = follower, %User{} = followed) do
    ap_followers = User.ap_followers(followed)
88
    if following?(follower, followed) do
89 90
      {:error,
       "Could not follow user: #{followed.nickname} is already on your list."}
91
    else
lain's avatar
lain committed
92 93 94 95
      if !followed.local do
        Websub.subscribe(follower, followed)
      end

96 97
      following = [ap_followers | follower.following]
      |> Enum.uniq
lain's avatar
lain committed
98

99 100 101 102
      follower
      |> follow_changeset(%{following: following})
      |> Repo.update
    end
lain's avatar
lain committed
103
  end
lain's avatar
lain committed
104 105 106

  def unfollow(%User{} = follower, %User{} = followed) do
    ap_followers = User.ap_followers(followed)
107 108 109
    if following?(follower, followed) do
      following = follower.following
      |> List.delete(ap_followers)
lain's avatar
lain committed
110

dtluna's avatar
dtluna committed
111
      { :ok, follower } = follower
112 113
      |> follow_changeset(%{following: following})
      |> Repo.update
dtluna's avatar
dtluna committed
114
      { :ok, follower, ActivityPub.fetch_latest_follow(follower, followed)}
115
    else
116
      {:error, "Not subscribed!"}
117
    end
lain's avatar
lain committed
118
  end
119 120 121 122

  def following?(%User{} = follower, %User{} = followed) do
    Enum.member?(follower.following, User.ap_followers(followed))
  end
lain's avatar
lain committed
123 124

  def get_cached_by_ap_id(ap_id) do
125 126
    key = "ap_id:#{ap_id}"
    Cachex.get!(:user_cache, key, fallback: fn(_) -> Repo.get_by(User, ap_id: ap_id) end)
lain's avatar
lain committed
127 128 129
  end

  def get_cached_by_nickname(nickname) do
130
    key = "nickname:#{nickname}"
lain's avatar
lain committed
131
    Cachex.get!(:user_cache, key, fallback: fn(_) -> get_or_fetch_by_nickname(nickname) end)
lain's avatar
lain committed
132
  end
lain's avatar
lain committed
133

lain's avatar
lain committed
134
  def get_by_nickname(nickname) do
135 136 137
    Repo.get_by(User, nickname: nickname)
  end

lain's avatar
lain committed
138 139 140 141
  def get_cached_user_info(user) do
    key = "user_info:#{user.id}"
    Cachex.get!(:user_cache, key, fallback: fn(_) -> user_info(user) end)
  end
lain's avatar
lain committed
142 143 144 145 146

  def get_or_fetch_by_nickname(nickname) do
    with %User{} = user <- get_by_nickname(nickname)  do
      user
    else _e ->
lain's avatar
lain committed
147 148
      with [nick, domain] <- String.split(nickname, "@"),
           {:ok, user} <- OStatus.make_user(nickname) do
lain's avatar
lain committed
149 150 151 152
        user
      else _e -> nil
      end
    end
lain's avatar
lain committed
153
  end
lain's avatar
lain committed
154
end