1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
defmodule Pleroma.User do
use Ecto.Schema
import Ecto.Changeset
import Ecto.Query
alias Pleroma.{Repo, User, Activity, Object}
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
field :local, :boolean, default: true
field :info, :map, default: %{}
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
"#{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 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 = Comeonin.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
def get_by_nickname(nickname) do
Repo.get_by(User, nickname: nickname)
end
def get_cached_user_info(user) do
key = "user_info:#{user.id}"
Cachex.get!(:user_cache, key, fallback: fn(_) -> user_info(user) end)
end
end
|