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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
class Account < ApplicationRecord
include Targetable
MENTION_RE = /(?:^|[^\/\w])@([a-z0-9_]+(?:@[a-z0-9\.\-]+)?)/i
IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
# Local users
has_one :user, inverse_of: :account
validates :username, presence: true, format: { with: /\A[a-z0-9_]+\z/i, message: 'only letters, numbers and underscores' }, uniqueness: { scope: :domain, case_sensitive: false }, length: { maximum: 30 }, if: 'local?'
validates :username, presence: true, uniqueness: { scope: :domain, case_sensitive: true }, unless: 'local?'
# Avatar upload
has_attached_file :avatar, styles: { large: '300x300#', medium: '96x96#', small: '48x48#' }
validates_attachment_content_type :avatar, content_type: IMAGE_MIME_TYPES
validates_attachment_size :avatar, less_than: 2.megabytes
# Header upload
has_attached_file :header, styles: { medium: '700x335#' }
validates_attachment_content_type :header, content_type: IMAGE_MIME_TYPES
validates_attachment_size :header, less_than: 2.megabytes
# Local user profile validations
validates :display_name, length: { maximum: 30 }, if: 'local?'
validates :note, length: { maximum: 160 }, if: 'local?'
# Timelines
has_many :stream_entries, inverse_of: :account, dependent: :destroy
has_many :statuses, inverse_of: :account, dependent: :destroy
has_many :favourites, inverse_of: :account, dependent: :destroy
has_many :mentions, inverse_of: :account, dependent: :destroy
# Follow relations
has_many :active_relationships, class_name: 'Follow', foreign_key: 'account_id', dependent: :destroy
has_many :passive_relationships, class_name: 'Follow', foreign_key: 'target_account_id', dependent: :destroy
has_many :following, -> { order('follows.id desc') }, through: :active_relationships, source: :target_account
has_many :followers, -> { order('follows.id desc') }, through: :passive_relationships, source: :account
# Block relationships
has_many :block_relationships, class_name: 'Block', foreign_key: 'account_id', dependent: :destroy
has_many :blocking, -> { order('blocks.id desc') }, through: :block_relationships, source: :target_account
has_many :media_attachments, dependent: :destroy
scope :remote, -> { where.not(domain: nil) }
scope :local, -> { where(domain: nil) }
scope :without_followers, -> { where('(select count(f.id) from follows as f where f.target_account_id = accounts.id) = 0') }
scope :with_followers, -> { where('(select count(f.id) from follows as f where f.target_account_id = accounts.id) > 0') }
scope :expiring, -> (time) { where(subscription_expires_at: nil).or(where('subscription_expires_at < ?', time)).remote.with_followers }
scope :with_counters, -> { select('accounts.*, (select count(f.id) from follows as f where f.target_account_id = accounts.id) as followers_count, (select count(f.id) from follows as f where f.account_id = accounts.id) as following_count, (select count(s.id) from statuses as s where s.account_id = accounts.id) as statuses_count') }
def follow!(other_account)
active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end
def block!(other_account)
block_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end
def unfollow!(other_account)
follow = active_relationships.find_by(target_account: other_account)
follow.destroy unless follow.nil?
end
def unblock!(other_account)
block = block_relationships.find_by(target_account: other_account)
block.destroy unless block.nil?
end
def following?(other_account)
following.include?(other_account)
end
def blocking?(other_account)
blocking.include?(other_account)
end
def local?
domain.nil?
end
def acct
local? ? username : "#{username}@#{domain}"
end
def subscribed?
!subscription_expires_at.nil?
end
def favourited?(status)
(status.reblog? ? status.reblog : status).favourites.where(account: self).count > 0
end
def reblogged?(status)
(status.reblog? ? status.reblog : status).reblogs.where(account: self).count > 0
end
def keypair
private_key.nil? ? OpenSSL::PKey::RSA.new(public_key) : OpenSSL::PKey::RSA.new(private_key)
end
def subscription(webhook_url)
OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 86_400 * 30, webhook: webhook_url, hub: hub_url)
end
def ping!(atom_url, hubs)
return unless local? && !Rails.env.development?
OStatus2::Publication.new(atom_url, hubs).publish
end
def avatar_remote_url=(url)
self.avatar = URI.parse(url) unless self[:avatar_remote_url] == url
self[:avatar_remote_url] = url
rescue OpenURI::HTTPError
#
end
def object_type
:person
end
def to_param
username
end
def common_followers_with(other_account)
results = Neography::Rest.new.execute_query('MATCH (a {account_id: {a_id}})-[:follows]->(b)-[:follows]->(c {account_id: {c_id}}) RETURN b.account_id', a_id: id, c_id: other_account.id)
ids = results['data'].map(&:first)
accounts = Account.where(id: ids).with_counters.limit(20).map { |a| [a.id, a] }.to_h
ids.map { |id| accounts[id] }.compact
rescue Neography::NeographyError, Excon::Error::Socket
[]
end
def self.find_local!(username)
find_remote!(username, nil)
end
def self.find_remote!(username, domain)
where(arel_table[:username].matches(username)).where(domain.nil? ? { domain: nil } : arel_table[:domain].matches(domain)).take!
end
def self.find_local(username)
find_local!(username)
rescue ActiveRecord::RecordNotFound
nil
end
def self.find_remote(username, domain)
find_remote!(username, domain)
rescue ActiveRecord::RecordNotFound
nil
end
def self.following_map(target_account_ids, account_id)
Follow.where(target_account_id: target_account_ids).where(account_id: account_id).map { |f| [f.target_account_id, true] }.to_h
end
def self.followed_by_map(target_account_ids, account_id)
Follow.where(account_id: target_account_ids).where(target_account_id: account_id).map { |f| [f.account_id, true] }.to_h
end
def self.blocking_map(target_account_ids, account_id)
Block.where(target_account_id: target_account_ids).where(account_id: account_id).map { |b| [b.target_account_id, true] }.to_h
end
before_create do
if local?
keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 1024 : 2048)
self.private_key = keypair.to_pem
self.public_key = keypair.public_key.to_pem
end
end
end
|
