hometown/app/models/account.rb

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class Account < ApplicationRecord
include Targetable
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MENTION_RE = /(?:^|[^\/\w])@([a-z0-9_]+(?:@[a-z0-9\.\-]+)?)/i
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IMAGE_MIME_TYPES = ['image/jpeg', 'image/png', 'image/gif'].freeze
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# 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?'
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# Avatar upload
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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
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# Local user profile validations
validates :display_name, length: { maximum: 30 }, if: 'local?'
validates :note, length: { maximum: 160 }, if: 'local?'
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# Timelines
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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
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# 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
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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
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has_many :blocking, -> { order('blocks.id desc') }, through: :block_relationships, source: :target_account
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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') }
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def follow!(other_account)
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active_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
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end
def block!(other_account)
block_relationships.where(target_account: other_account).first_or_create!(target_account: other_account)
end
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def unfollow!(other_account)
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follow = active_relationships.find_by(target_account: other_account)
follow.destroy unless follow.nil?
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end
def unblock!(other_account)
block = block_relationships.find_by(target_account: other_account)
block.destroy unless block.nil?
end
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def following?(other_account)
following.include?(other_account)
end
def blocking?(other_account)
blocking.include?(other_account)
end
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def local?
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domain.nil?
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end
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def acct
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local? ? username : "#{username}@#{domain}"
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end
def subscribed?
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!subscription_expires_at.nil?
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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
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def keypair
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private_key.nil? ? OpenSSL::PKey::RSA.new(public_key) : OpenSSL::PKey::RSA.new(private_key)
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end
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def subscription(webhook_url)
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OStatus2::Subscription.new(remote_url, secret: secret, lease_seconds: 86_400 * 30, webhook: webhook_url, hub: hub_url)
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end
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def ping!(atom_url, hubs)
return unless local? && !Rails.env.development?
OStatus2::Publication.new(atom_url, hubs).publish
end
def avatar_remote_url=(url)
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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
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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)
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find_remote!(username, nil)
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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)
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find_local!(username)
rescue ActiveRecord::RecordNotFound
nil
end
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def self.find_remote(username, domain)
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find_remote!(username, domain)
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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
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before_create do
if local?
keypair = OpenSSL::PKey::RSA.new(Rails.env.test? ? 1024 : 2048)
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self.private_key = keypair.to_pem
self.public_key = keypair.public_key.to_pem
end
end
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end