discourse/app/models/user.rb

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require_dependency 'email'
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require_dependency 'email_token'
require_dependency 'trust_level'
require_dependency 'pbkdf2'
require_dependency 'summarize'
require_dependency 'discourse'
require_dependency 'post_destroyer'
require_dependency 'user_name_suggester'
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require_dependency 'pretty_text'
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require_dependency 'url_helper'
require_dependency 'letter_avatar'
require_dependency 'promotion'
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class User < ActiveRecord::Base
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include Roleable
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include UrlHelper
include HasCustomFields
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has_many :posts
has_many :notifications, dependent: :destroy
has_many :topic_users, dependent: :destroy
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has_many :topics
has_many :user_open_ids, dependent: :destroy
has_many :user_actions, dependent: :destroy
has_many :post_actions, dependent: :destroy
has_many :user_badges, -> {where('user_badges.badge_id IN (SELECT id FROM badges where enabled)')}, dependent: :destroy
has_many :badges, through: :user_badges
has_many :email_logs, dependent: :destroy
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has_many :post_timings
has_many :topic_allowed_users, dependent: :destroy
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has_many :topics_allowed, through: :topic_allowed_users, source: :topic
has_many :email_tokens, dependent: :destroy
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has_many :views
has_many :user_visits, dependent: :destroy
has_many :invites, dependent: :destroy
has_many :topic_links, dependent: :destroy
has_many :uploads
has_many :warnings
has_one :user_avatar, dependent: :destroy
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has_one :facebook_user_info, dependent: :destroy
has_one :twitter_user_info, dependent: :destroy
has_one :github_user_info, dependent: :destroy
has_one :oauth2_user_info, dependent: :destroy
has_one :user_stat, dependent: :destroy
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has_one :user_profile, dependent: :destroy, inverse_of: :user
has_one :single_sign_on_record, dependent: :destroy
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belongs_to :approved_by, class_name: 'User'
belongs_to :primary_group, class_name: 'Group'
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has_many :group_users, dependent: :destroy
has_many :groups, through: :group_users
has_many :secure_categories, through: :groups, source: :categories
has_one :user_search_data, dependent: :destroy
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has_one :api_key, dependent: :destroy
belongs_to :uploaded_avatar, class_name: 'Upload'
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delegate :last_sent_email_address, :to => :email_logs
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before_validation :downcase_email
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validates_presence_of :username
validate :username_validator
validates :email, presence: true, uniqueness: true
validates :email, email: true, if: :email_changed?
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validate :password_validator
validates :ip_address, allowed_ip_address: {on: :create, message: :signup_not_allowed}
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after_initialize :add_trust_level
after_initialize :set_default_email_digest
after_initialize :set_default_external_links_in_new_tab
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after_create :create_email_token
after_create :create_user_stat
after_create :create_user_profile
after_create :ensure_in_trust_level_group
before_save :update_username_lower
before_save :ensure_password_is_hashed
after_save :update_tracked_topics
after_save :clear_global_notice_if_needed
after_save :refresh_avatar
after_save :badge_grant
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before_destroy do
# These tables don't have primary keys, so destroying them with activerecord is tricky:
PostTiming.delete_all(user_id: self.id)
TopicViewItem.delete_all(user_id: self.id)
end
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# Whether we need to be sending a system message after creation
attr_accessor :send_welcome_message
# This is just used to pass some information into the serializer
attr_accessor :notification_channel_position
# set to true to optimize creation and save for imports
attr_accessor :import_mode
# excluding fake users like the system user
scope :real, -> { where('id > 0') }
# TODO-PERF: There is no indexes on any of these
# and NotifyMailingListSubscribers does a select-all-and-loop
# may want to create an index on (active, blocked, suspended_till, mailing_list_mode)?
scope :blocked, -> { where(blocked: true) }
scope :not_blocked, -> { where(blocked: false) }
scope :suspended, -> { where('suspended_till IS NOT NULL AND suspended_till > ?', Time.zone.now) }
scope :not_suspended, -> { where('suspended_till IS NULL OR suspended_till <= ?', Time.zone.now) }
scope :activated, -> { where(active: true) }
module NewTopicDuration
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ALWAYS = -1
LAST_VISIT = -2
end
def self.max_password_length
200
end
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def self.username_length
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SiteSetting.min_username_length.to_i..SiteSetting.max_username_length.to_i
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end
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def custom_groups
groups.where(automatic: false, visible: true)
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end
def self.username_available?(username)
lower = username.downcase
User.where(username_lower: lower).blank?
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end
EMAIL = %r{([^@]+)@([^\.]+)}
def self.new_from_params(params)
user = User.new
user.name = params[:name]
user.email = params[:email]
user.password = params[:password]
user.username = params[:username]
user
end
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def self.suggest_name(email)
return "" unless email
name = email.split(/[@\+]/)[0]
name = name.gsub(".", " ")
name.titleize
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end
# Find a user by temporary key, nil if not found or key is invalid
def self.find_by_temporary_key(key)
user_id = $redis.get("temporary_key:#{key}")
if user_id.present?
find_by(id: user_id.to_i)
end
end
def self.find_by_username_or_email(username_or_email)
if username_or_email.include?('@')
find_by_email(username_or_email)
else
find_by_username(username_or_email)
end
end
def self.find_by_email(email)
find_by(email: Email.downcase(email))
end
def self.find_by_username(username)
find_by(username_lower: username.downcase)
end
def enqueue_welcome_message(message_type)
return unless SiteSetting.send_welcome_message?
Jobs.enqueue(:send_system_message, user_id: id, message_type: message_type)
end
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def change_username(new_username)
self.username = new_username
save
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end
# Use a temporary key to find this user, store it in redis with an expiry
def temporary_key
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key = SecureRandom.hex(32)
$redis.setex "temporary_key:#{key}", 2.months, id.to_s
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key
end
def created_topic_count
stat = user_stat || create_user_stat
stat.topic_count
end
alias_method :topic_count, :created_topic_count
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# tricky, we need our bus to be subscribed from the right spot
def sync_notification_channel_position
@unread_notifications_by_type = nil
self.notification_channel_position = MessageBus.last_id("/notification/#{id}")
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end
def invited_by
used_invite = invites.where("redeemed_at is not null").includes(:invited_by).first
used_invite.try(:invited_by)
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end
# Approve this user
def approve(approved_by, send_mail=true)
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self.approved = true
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if approved_by.is_a?(Fixnum)
self.approved_by_id = approved_by
else
self.approved_by = approved_by
end
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self.approved_at = Time.now
send_approval_email if save and send_mail
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end
def self.email_hash(email)
Digest::MD5.hexdigest(email.strip.downcase)
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end
def email_hash
User.email_hash(email)
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end
def unread_notifications_by_type
@unread_notifications_by_type ||= notifications.where("id > ? and read = false", seen_notification_id).group(:notification_type).count
end
def reload
@unread_notifications_by_type = nil
@unread_pms = nil
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super
end
def unread_private_messages
@unread_pms ||= notifications.where("read = false AND notification_type = ?", Notification.types[:private_message]).count
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end
def unread_notifications
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unread_notifications_by_type.except(Notification.types[:private_message]).values.sum
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end
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def saw_notification_id(notification_id)
User.where(["id = ? and seen_notification_id < ?", id, notification_id])
.update_all ["seen_notification_id = ?", notification_id]
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end
def publish_notifications_state
MessageBus.publish("/notification/#{id}",
{unread_notifications: unread_notifications,
unread_private_messages: unread_private_messages},
user_ids: [id] # only publish the notification to this user
)
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end
# A selection of people to autocomplete on @mention
def self.mentionable_usernames
User.select(:username).order('last_posted_at desc').limit(20)
end
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def password=(password)
# special case for passwordless accounts
@raw_password = password unless password.blank?
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end
def password
'' # so that validator doesn't complain that a password attribute doesn't exist
end
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# Indicate that this is NOT a passwordless account for the purposes of validation
def password_required!
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@password_required = true
end
def password_required?
!!@password_required
end
def has_password?
password_hash.present?
end
def password_validator
PasswordValidator.new(attributes: :password).validate_each(self, :password, @raw_password)
end
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def confirm_password?(password)
return false unless password_hash && salt
self.password_hash == hash_password(password, salt)
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end
def new_user?
created_at >= 24.hours.ago || trust_level == TrustLevel[0]
end
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def seen_before?
last_seen_at.present?
end
def visit_record_for(date)
user_visits.find_by(visited_at: date)
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end
def update_visit_record!(date)
create_visit_record!(date) unless visit_record_for(date)
end
def update_posts_read!(num_posts, now=Time.zone.now)
if user_visit = visit_record_for(now.to_date)
user_visit.posts_read += num_posts
user_visit.save
user_visit
else
create_visit_record!(now.to_date, num_posts)
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end
end
def update_ip_address!(new_ip_address)
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unless ip_address == new_ip_address || new_ip_address.blank?
update_column(:ip_address, new_ip_address)
end
end
def update_last_seen!(now=Time.zone.now)
now_date = now.to_date
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# Only update last seen once every minute
redis_key = "user:#{id}:#{now_date}"
return unless $redis.setnx(redis_key, "1")
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$redis.expire(redis_key, SiteSetting.active_user_rate_limit_secs)
update_previous_visit(now)
# using update_column to avoid the AR transaction
update_column(:last_seen_at, now)
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end
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def self.gravatar_template(email)
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email_hash = self.email_hash(email)
"//www.gravatar.com/avatar/#{email_hash}.png?s={size}&r=pg&d=identicon"
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end
# Don't pass this up to the client - it's meant for server side use
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# This is used in
# - self oneboxes in open graph data
# - emails
def small_avatar_url
avatar_template_url.gsub("{size}", "45")
end
def avatar_template_url
schemaless absolute avatar_template
end
def self.avatar_template(username,uploaded_avatar_id)
return letter_avatar_template(username) if !uploaded_avatar_id
id = uploaded_avatar_id
username ||= ""
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"/user_avatar/#{RailsMultisite::ConnectionManagement.current_hostname}/#{username.downcase}/{size}/#{id}.png"
end
def self.letter_avatar_template(username)
"/letter_avatar/#{username.downcase}/{size}/#{LetterAvatar::VERSION}.png"
end
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def avatar_template
self.class.avatar_template(username,uploaded_avatar_id)
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end
# The following count methods are somewhat slow - definitely don't use them in a loop.
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# They might need to be denormalized
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def like_count
UserAction.where(user_id: id, action_type: UserAction::WAS_LIKED).count
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end
def like_given_count
UserAction.where(user_id: id, action_type: UserAction::LIKE).count
end
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def post_count
stat = user_stat || create_user_stat
stat.post_count
end
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def flags_given_count
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PostAction.where(user_id: id, post_action_type_id: PostActionType.flag_types.values).count
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end
def warnings_received_count
warnings.count
end
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def flags_received_count
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posts.includes(:post_actions).where('post_actions.post_action_type_id' => PostActionType.flag_types.values).count
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end
def private_topics_count
topics_allowed.where(archetype: Archetype.private_message).count
end
def posted_too_much_in_topic?(topic_id)
# Does not apply to staff, non-new members or your own topics
return false if staff? ||
(trust_level != TrustLevel[0]) ||
Topic.where(id: topic_id, user_id: id).exists?
last_action_in_topic = UserAction.last_action_in_topic(id, topic_id)
since_reply = Post.where(user_id: id, topic_id: topic_id)
since_reply = since_reply.where('id > ?', last_action_in_topic) if last_action_in_topic
(since_reply.count >= SiteSetting.newuser_max_replies_per_topic)
end
def delete_all_posts!(guardian)
raise Discourse::InvalidAccess unless guardian.can_delete_all_posts? self
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posts.order("post_number desc").each do |p|
PostDestroyer.new(guardian.user, p).destroy
end
end
def suspended?
suspended_till && suspended_till > DateTime.now
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end
def suspend_record
UserHistory.for(self, :suspend_user).order('id DESC').first
end
def suspend_reason
suspend_record.try(:details) if suspended?
end
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# Use this helper to determine if the user has a particular trust level.
# Takes into account admin, etc.
def has_trust_level?(level)
raise "Invalid trust level #{level}" unless TrustLevel.valid?(level)
admin? || moderator? || TrustLevel.compare(trust_level, level)
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end
# a touch faster than automatic
def admin?
admin
end
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def guardian
Guardian.new(self)
end
def username_format_validator
UsernameValidator.perform_validation(self, 'username')
end
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def email_confirmed?
email_tokens.where(email: email, confirmed: true).present? || email_tokens.empty?
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end
def activate
email_token = self.email_tokens.active.first
if email_token
EmailToken.confirm(email_token.token)
else
self.active = true
save
end
end
def deactivate
self.active = false
save
end
def change_trust_level!(level, opts=nil)
Promotion.new(self).change_trust_level!(level, opts)
end
def treat_as_new_topic_start_date
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duration = new_topic_duration_minutes || SiteSetting.new_topic_duration_minutes
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[case duration
when User::NewTopicDuration::ALWAYS
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created_at
when User::NewTopicDuration::LAST_VISIT
previous_visit_at || user_stat.new_since
else
duration.minutes.ago
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end, user_stat.new_since].max
end
def readable_name
return "#{name} (#{username})" if name.present? && name != username
username
end
def badge_count
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user_badges.select('distinct badge_id').count
end
def featured_user_badges
user_badges
.joins(:badge)
.order('badges.badge_type_id ASC, badges.grant_count ASC')
.includes(:user, :granted_by, badge: :badge_type)
.where("user_badges.id in (select min(u2.id)
from user_badges u2 where u2.user_id = ? group by u2.badge_id)", id)
.limit(3)
end
def self.count_by_signup_date(sinceDaysAgo=30)
where('created_at > ?', sinceDaysAgo.days.ago).group('date(created_at)').order('date(created_at)').count
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end
def secure_category_ids
cats = self.admin? ? Category.where(read_restricted: true) : secure_categories.references(:categories)
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cats.pluck('categories.id').sort
end
def topic_create_allowed_category_ids
Category.topic_create_allowed(self.id).select(:id)
end
# Flag all posts from a user as spam
def flag_linked_posts_as_spam
admin = Discourse.system_user
topic_links.includes(:post).each do |tl|
begin
PostAction.act(admin, tl.post, PostActionType.types[:spam], message: I18n.t('flag_reason.spam_hosts'))
rescue PostAction::AlreadyActed
# If the user has already acted, just ignore it
end
end
end
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def has_uploaded_avatar
uploaded_avatar.present?
end
def added_a_day_ago?
created_at > 1.day.ago
end
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def generate_api_key(created_by)
if api_key.present?
api_key.regenerate!(created_by)
api_key
else
ApiKey.create(user: self, key: SecureRandom.hex(32), created_by: created_by)
end
end
def revoke_api_key
ApiKey.where(user_id: self.id).delete_all
end
def find_email
last_sent_email_address || email
end
def leader_requirements
@lq ||= TrustLevel3Requirements.new(self)
end
def should_be_redirected_to_top
redirected_to_top_reason.present?
end
def redirected_to_top_reason
# redirect is enabled
return unless SiteSetting.redirect_users_to_top_page
# top must be in the top_menu
return unless SiteSetting.top_menu =~ /top/i
# there should be enough topics
return unless SiteSetting.has_enough_topics_to_redirect_to_top
if !seen_before? || (trust_level == 0 && !redirected_to_top_yet?)
update_last_redirected_to_top!
return I18n.t('redirected_to_top_reasons.new_user')
elsif last_seen_at < 1.month.ago
update_last_redirected_to_top!
return I18n.t('redirected_to_top_reasons.not_seen_in_a_month')
end
# no reason
nil
end
def redirected_to_top_yet?
last_redirected_to_top_at.present?
end
def update_last_redirected_to_top!
key = "user:#{id}:update_last_redirected_to_top"
delay = SiteSetting.active_user_rate_limit_secs
# only update last_redirected_to_top_at once every minute
return unless $redis.setnx(key, "1")
$redis.expire(key, delay)
# delay the update
Jobs.enqueue_in(delay / 2, :update_top_redirection, user_id: self.id, redirected_at: Time.zone.now)
end
def refresh_avatar
return if @import_mode
avatar = user_avatar || create_user_avatar
gravatar_downloaded = false
if SiteSetting.automatically_download_gravatars? && !avatar.last_gravatar_download_attempt
avatar.update_gravatar!
gravatar_downloaded = avatar.gravatar_upload_id
end
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if !self.uploaded_avatar_id && gravatar_downloaded
self.update_column(:uploaded_avatar_id, avatar.gravatar_upload_id)
end
end
def first_post_created_at
user_stat.try(:first_post_created_at)
end
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protected
def badge_grant
BadgeGranter.queue_badge_grant(Badge::Trigger::UserChange, user: self)
end
def update_tracked_topics
return unless auto_track_topics_after_msecs_changed?
TrackedTopicsUpdater.new(id, auto_track_topics_after_msecs).call
end
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def clear_global_notice_if_needed
if admin && SiteSetting.has_login_hint
SiteSetting.has_login_hint = false
SiteSetting.global_notice = ""
end
end
def create_user_profile
UserProfile.create(user_id: id)
end
def ensure_in_trust_level_group
Group.user_trust_level_change!(id, trust_level)
end
def create_user_stat
stat = UserStat.new(new_since: Time.now)
stat.user_id = id
stat.save!
end
def create_email_token
email_tokens.create(email: email)
end
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def create_visit_record!(date, posts_read=0)
user_stat.update_column(:days_visited, user_stat.days_visited + 1)
user_visits.create!(visited_at: date, posts_read: posts_read)
end
def ensure_password_is_hashed
if @raw_password
self.salt = SecureRandom.hex(16)
self.password_hash = hash_password(@raw_password, salt)
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end
end
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def hash_password(password, salt)
raise "password is too long" if password.size > User.max_password_length
Pbkdf2.hash_password(password, salt, Rails.configuration.pbkdf2_iterations, Rails.configuration.pbkdf2_algorithm)
end
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def add_trust_level
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# there is a possibility we did not load trust level column, skip it
return unless has_attribute? :trust_level
self.trust_level ||= SiteSetting.default_trust_level
end
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def update_username_lower
self.username_lower = username.downcase
end
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def downcase_email
self.email = self.email.downcase if self.email
end
def username_validator
username_format_validator || begin
lower = username.downcase
existing = User.find_by(username_lower: lower)
if username_changed? && existing && existing.id != self.id
errors.add(:username, I18n.t(:'user.username.unique'))
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end
end
end
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def send_approval_email
Jobs.enqueue(:user_email,
type: :signup_after_approval,
user_id: id,
email_token: email_tokens.first.token
)
end
def set_default_email_digest
if has_attribute?(:email_digests) && self.email_digests.nil?
if SiteSetting.default_digest_email_frequency.blank?
self.email_digests = false
else
self.email_digests = true
self.digest_after_days ||= SiteSetting.default_digest_email_frequency.to_i if has_attribute?(:digest_after_days)
end
end
end
def set_default_external_links_in_new_tab
if has_attribute?(:external_links_in_new_tab) && self.external_links_in_new_tab.nil?
self.external_links_in_new_tab = !SiteSetting.default_external_links_in_new_tab.blank?
end
end
# Delete inactive accounts that are over a week old
def self.purge_inactive
# You might be wondering why this query matches on post_count = 0. The reason
# is a long time ago we had a bug where users could post before being activated
# and some sites still have those records which can't be purged.
to_destroy = User.where(active: false)
.joins('INNER JOIN user_stats AS us ON us.user_id = users.id')
.where("created_at < ?", SiteSetting.purge_inactive_users_grace_period_days.days.ago)
.where('us.post_count = 0')
.where('NOT admin AND NOT moderator')
.limit(100)
destroyer = UserDestroyer.new(Discourse.system_user)
to_destroy.each do |u|
begin
destroyer.destroy(u, context: I18n.t(:purge_reason))
rescue Discourse::InvalidAccess
# if for some reason the user can't be deleted, continue on to the next one
end
end
end
private
def previous_visit_at_update_required?(timestamp)
seen_before? && (last_seen_at < (timestamp - SiteSetting.previous_visit_timeout_hours.hours))
end
def update_previous_visit(timestamp)
update_visit_record!(timestamp.to_date)
if previous_visit_at_update_required?(timestamp)
update_column(:previous_visit_at, last_seen_at)
end
end
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end
# == Schema Information
#
# Table name: users
#
# id :integer not null, primary key
# username :string(60) not null
# created_at :datetime not null
# updated_at :datetime not null
# name :string(255)
# seen_notification_id :integer default(0), not null
# last_posted_at :datetime
# email :string(256) not null
# password_hash :string(64)
# salt :string(32)
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# active :boolean default(FALSE), not null
# username_lower :string(60) not null
# auth_token :string(32)
# last_seen_at :datetime
# admin :boolean default(FALSE), not null
# last_emailed_at :datetime
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# email_digests :boolean not null
# trust_level :integer not null
# email_private_messages :boolean default(TRUE)
# email_direct :boolean default(TRUE), not null
# approved :boolean default(FALSE), not null
# approved_by_id :integer
# approved_at :datetime
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# digest_after_days :integer
# previous_visit_at :datetime
# suspended_at :datetime
# suspended_till :datetime
# date_of_birth :date
# auto_track_topics_after_msecs :integer
# views :integer default(0), not null
# flag_level :integer default(0), not null
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# ip_address :inet
# new_topic_duration_minutes :integer
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# external_links_in_new_tab :boolean not null
# enable_quoting :boolean default(TRUE), not null
# moderator :boolean default(FALSE)
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# blocked :boolean default(FALSE)
# dynamic_favicon :boolean default(FALSE), not null
# title :string(255)
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# uploaded_avatar_id :integer
# email_always :boolean default(FALSE), not null
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# mailing_list_mode :boolean default(FALSE), not null
# primary_group_id :integer
# locale :string(10)
# registration_ip_address :inet
# last_redirected_to_top_at :datetime
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# disable_jump_reply :boolean default(FALSE), not null
# edit_history_public :boolean default(FALSE), not null
#
# Indexes
#
# index_users_on_auth_token (auth_token)
# index_users_on_last_posted_at (last_posted_at)
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# index_users_on_last_seen_at (last_seen_at)
# index_users_on_username (username) UNIQUE
# index_users_on_username_lower (username_lower) UNIQUE
#