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user.rb
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user.rb
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# frozen_string_literal: true
class User < ActiveRecord::Base
include Searchable
include Roleable
include HasCustomFields
include SecondFactorManager
include HasDestroyedWebHook
DEFAULT_FEATURED_BADGE_COUNT = 3
# not deleted on user delete
has_many :posts
has_many :topics
has_many :uploads
has_many :category_users, dependent: :destroy
has_many :tag_users, dependent: :destroy
has_many :user_api_keys, dependent: :destroy
has_many :topic_allowed_users, dependent: :destroy
has_many :user_archived_messages, dependent: :destroy
has_many :email_change_requests, dependent: :destroy
has_many :email_tokens, dependent: :destroy
has_many :topic_links, dependent: :destroy
has_many :user_uploads, dependent: :destroy
has_many :user_emails, dependent: :destroy, autosave: true
has_many :user_associated_accounts, dependent: :destroy
has_many :oauth2_user_infos, dependent: :destroy
has_many :user_second_factors, dependent: :destroy
has_many :user_badges, -> { for_enabled_badges }, dependent: :destroy
has_many :user_auth_tokens, dependent: :destroy
has_many :group_users, dependent: :destroy
has_many :user_warnings, dependent: :destroy
has_many :api_keys, dependent: :destroy
has_many :push_subscriptions, dependent: :destroy
has_many :acting_group_histories, dependent: :destroy, foreign_key: :acting_user_id, class_name: 'GroupHistory'
has_many :targeted_group_histories, dependent: :destroy, foreign_key: :target_user_id, class_name: 'GroupHistory'
has_many :reviewable_scores, dependent: :destroy
has_many :invites, foreign_key: :invited_by_id, dependent: :destroy
has_many :user_custom_fields, dependent: :destroy
has_one :user_option, dependent: :destroy
has_one :user_avatar, dependent: :destroy
has_one :primary_email, -> { where(primary: true) }, class_name: 'UserEmail', dependent: :destroy, autosave: true, validate: false
has_one :user_stat, dependent: :destroy
has_one :user_profile, dependent: :destroy, inverse_of: :user
has_one :single_sign_on_record, dependent: :destroy
has_one :anonymous_user_master, class_name: 'AnonymousUser', dependent: :destroy
has_one :anonymous_user_shadow, ->(record) { where(active: true) }, foreign_key: :master_user_id, class_name: 'AnonymousUser', dependent: :destroy
has_one :invited_user, dependent: :destroy
has_one :user_notification_schedule, dependent: :destroy
# delete all is faster but bypasses callbacks
has_many :bookmarks, dependent: :delete_all
has_many :notifications, dependent: :delete_all
has_many :topic_users, dependent: :delete_all
has_many :incoming_emails, dependent: :delete_all
has_many :user_visits, dependent: :delete_all
has_many :user_auth_token_logs, dependent: :delete_all
has_many :group_requests, dependent: :delete_all
has_many :muted_user_records, class_name: 'MutedUser', dependent: :delete_all
has_many :ignored_user_records, class_name: 'IgnoredUser', dependent: :delete_all
has_many :do_not_disturb_timings, dependent: :delete_all
# dependent deleting handled via before_destroy (special cases)
has_many :user_actions
has_many :post_actions
has_many :post_timings
has_many :directory_items
has_many :email_logs
has_many :security_keys, -> {
where(enabled: true)
}, class_name: "UserSecurityKey"
has_many :badges, through: :user_badges
has_many :default_featured_user_badges, -> {
max_featured_rank = SiteSetting.max_favorite_badges > 0 ? SiteSetting.max_favorite_badges + 1
: DEFAULT_FEATURED_BADGE_COUNT
for_enabled_badges.grouped_with_count.where("featured_rank <= ?", max_featured_rank)
}, class_name: "UserBadge"
has_many :topics_allowed, through: :topic_allowed_users, source: :topic
has_many :groups, through: :group_users
has_many :secure_categories, through: :groups, source: :categories
# deleted in user_second_factors relationship
has_many :totps, -> {
where(method: UserSecondFactor.methods[:totp], enabled: true)
}, class_name: "UserSecondFactor"
has_one :master_user, through: :anonymous_user_master
has_one :shadow_user, through: :anonymous_user_shadow, source: :user
has_one :profile_background_upload, through: :user_profile
has_one :card_background_upload, through: :user_profile
belongs_to :approved_by, class_name: 'User'
belongs_to :primary_group, class_name: 'Group'
belongs_to :flair_group, class_name: 'Group'
has_many :muted_users, through: :muted_user_records
has_many :ignored_users, through: :ignored_user_records
belongs_to :uploaded_avatar, class_name: 'Upload'
delegate :last_sent_email_address, to: :email_logs
validates_presence_of :username
validate :username_validator, if: :will_save_change_to_username?
validate :password_validator
validate :name_validator, if: :will_save_change_to_name?
validates :name, user_full_name: true, if: :will_save_change_to_name?, length: { maximum: 255 }
validates :ip_address, allowed_ip_address: { on: :create, message: :signup_not_allowed }
validates :primary_email, presence: true
validates_associated :primary_email, message: -> (_, user_email) { user_email[:value]&.errors[:email]&.first }
after_initialize :add_trust_level
before_validation :set_skip_validate_email
after_create :create_email_token
after_create :create_user_stat
after_create :create_user_option
after_create :create_user_profile
after_create :set_random_avatar
after_create :ensure_in_trust_level_group
after_create :set_default_categories_preferences
after_create :set_default_tags_preferences
after_update :trigger_user_updated_event, if: Proc.new {
self.human? && self.saved_change_to_uploaded_avatar_id?
}
after_update :trigger_user_automatic_group_refresh, if: :saved_change_to_staged?
before_save :update_usernames
before_save :ensure_password_is_hashed
before_save :match_primary_group_changes
before_save :check_if_title_is_badged_granted
after_save :expire_tokens_if_password_changed
after_save :clear_global_notice_if_needed
after_save :refresh_avatar
after_save :badge_grant
after_save :expire_old_email_tokens
after_save :index_search
after_save :check_site_contact_username
after_commit :trigger_user_created_event, on: :create
after_commit :trigger_user_destroyed_event, on: :destroy
before_destroy do
# These tables don't have primary keys, so destroying them with activerecord is tricky:
PostTiming.where(user_id: self.id).delete_all
TopicViewItem.where(user_id: self.id).delete_all
UserAction.where('user_id = :user_id OR target_user_id = :user_id OR acting_user_id = :user_id', user_id: self.id).delete_all
# we need to bypass the default scope here, which appears not bypassed for :delete_all
# however :destroy it is bypassed
PostAction.with_deleted.where(user_id: self.id).delete_all
# This is a perf optimisation to ensure we hit the index
# without this we need to scan a much larger number of rows
DirectoryItem.where(user_id: self.id)
.where('period_type in (?)', DirectoryItem.period_types.values)
.delete_all
# our relationship filters on enabled, this makes sure everything is deleted
UserSecurityKey.where(user_id: self.id).delete_all
Developer.where(user_id: self.id).delete_all
DraftSequence.where(user_id: self.id).delete_all
GivenDailyLike.where(user_id: self.id).delete_all
MutedUser.where(user_id: self.id).or(MutedUser.where(muted_user_id: self.id)).delete_all
IgnoredUser.where(user_id: self.id).or(IgnoredUser.where(ignored_user_id: self.id)).delete_all
UserAvatar.where(user_id: self.id).delete_all
end
# Skip validating email, for example from a particular auth provider plugin
attr_accessor :skip_email_validation
# 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
# Cache for user custom fields. Currently it is used to display quick search results
attr_accessor :custom_data
scope :with_email, ->(email) do
joins(:user_emails).where("lower(user_emails.email) IN (?)", email)
end
scope :with_primary_email, ->(email) do
joins(:user_emails).where("lower(user_emails.email) IN (?) AND user_emails.primary", email)
end
scope :human_users, -> { where('users.id > 0') }
# excluding fake users like the system user or anonymous users
scope :real, -> { human_users.where('NOT EXISTS(
SELECT 1
FROM anonymous_users a
WHERE a.user_id = users.id
)') }
# 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, silence, suspended_till)?
scope :silenced, -> { where("silenced_till IS NOT NULL AND silenced_till > ?", Time.zone.now) }
scope :not_silenced, -> { where("silenced_till IS NULL OR silenced_till <= ?", Time.zone.now) }
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) }
scope :filter_by_username, ->(filter) do
if filter.is_a?(Array)
where('username_lower ~* ?', "(#{filter.join('|')})")
else
where('username_lower ILIKE ?', "%#{filter}%")
end
end
scope :filter_by_username_or_email, ->(filter) do
if filter =~ /.+@.+/
# probably an email so try the bypass
if user_id = UserEmail.where("lower(email) = ?", filter.downcase).pluck_first(:user_id)
return where('users.id = ?', user_id)
end
end
users = joins(:primary_email)
if filter.is_a?(Array)
users.where(
'username_lower ~* :filter OR lower(user_emails.email) SIMILAR TO :filter',
filter: "(#{filter.join('|')})"
)
else
users.where(
'username_lower ILIKE :filter OR lower(user_emails.email) ILIKE :filter',
filter: "%#{filter}%"
)
end
end
scope :watching_topic_when_mute_categories_by_default, ->(topic) do
joins(DB.sql_fragment("LEFT JOIN category_users ON category_users.user_id = users.id AND category_users.category_id = :category_id", category_id: topic.category_id))
.joins(DB.sql_fragment("LEFT JOIN topic_users ON topic_users.user_id = users.id AND topic_users.topic_id = :topic_id", topic_id: topic.id))
.joins("LEFT JOIN tag_users ON tag_users.user_id = users.id AND tag_users.tag_id IN (#{topic.tag_ids.join(",").presence || 'NULL'})")
.where("category_users.notification_level > 0 OR topic_users.notification_level > 0 OR tag_users.notification_level > 0")
end
module NewTopicDuration
ALWAYS = -1
LAST_VISIT = -2
end
MAX_STAFF_DELETE_POST_COUNT ||= 5
def self.max_password_length
200
end
def self.username_length
SiteSetting.min_username_length.to_i..SiteSetting.max_username_length.to_i
end
def self.normalize_username(username)
username.unicode_normalize.downcase if username.present?
end
def self.username_available?(username, email = nil, allow_reserved_username: false)
lower = normalize_username(username)
return false if !allow_reserved_username && reserved_username?(lower)
return true if !username_exists?(lower)
# staged users can use the same username since they will take over the account
email.present? && User.joins(:user_emails).exists?(staged: true, username_lower: lower, user_emails: { primary: true, email: email })
end
def self.reserved_username?(username)
username = normalize_username(username)
SiteSetting.reserved_usernames.unicode_normalize.split("|").any? do |reserved|
username.match?(/^#{Regexp.escape(reserved).gsub('\*', '.*')}$/)
end
end
def self.editable_user_custom_fields(by_staff: false)
fields = []
fields.push(*DiscoursePluginRegistry.self_editable_user_custom_fields)
fields.push(*DiscoursePluginRegistry.staff_editable_user_custom_fields) if by_staff
fields.uniq
end
def self.allowed_user_custom_fields(guardian)
fields = []
fields.push(*DiscoursePluginRegistry.public_user_custom_fields)
if SiteSetting.public_user_custom_fields.present?
fields.push(*SiteSetting.public_user_custom_fields.split('|'))
end
if guardian.is_staff?
if SiteSetting.staff_user_custom_fields.present?
fields.push(*SiteSetting.staff_user_custom_fields.split('|'))
end
fields.push(*DiscoursePluginRegistry.staff_user_custom_fields)
end
fields.uniq
end
def self.human_user_id?(user_id)
user_id > 0
end
def human?
User.human_user_id?(self.id)
end
def bot?
!self.human?
end
def effective_locale
if SiteSetting.allow_user_locale && self.locale.present?
self.locale
else
SiteSetting.default_locale
end
end
EMAIL = %r{([^@]+)@([^\.]+)}
FROM_STAGED = "from_staged"
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
def unstage!
if self.staged
ActiveRecord::Base.transaction do
self.staged = false
self.custom_fields[FROM_STAGED] = true
self.notifications.destroy_all
save!
end
DiscourseEvent.trigger(:user_unstaged, self)
end
end
def self.suggest_name(string)
return "" if string.blank?
(string[/\A[^@]+/].presence || string[/[^@]+\z/]).tr(".", " ").titleize
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, primary: false)
if primary
self.with_primary_email(Email.downcase(email)).first
else
self.with_email(Email.downcase(email)).first
end
end
def self.find_by_username(username)
find_by(username_lower: normalize_username(username))
end
def group_granted_trust_level
GroupUser
.where(user_id: id)
.includes(:group)
.maximum("groups.grant_trust_level")
end
def visible_groups
groups.visible_groups(self)
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
def enqueue_member_welcome_message
return unless SiteSetting.send_tl1_welcome_message?
Jobs.enqueue(:send_system_message, user_id: id, message_type: "welcome_tl1_user")
end
def enqueue_tl2_promotion_message
return unless SiteSetting.send_tl2_promotion_message
Jobs.enqueue(:send_system_message, user_id: id, message_type: "tl2_promotion_message")
end
def enqueue_staff_welcome_message(role)
return unless staff?
return if role == :admin && User.real.where(admin: true).count == 1
Jobs.enqueue(
:send_system_message,
user_id: id,
message_type: 'welcome_staff',
message_options: {
role: role
}
)
end
def change_username(new_username, actor = nil)
UsernameChanger.change(self, new_username, actor)
end
def created_topic_count
stat = user_stat || create_user_stat
stat.topic_count
end
alias_method :topic_count, :created_topic_count
# 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}")
end
def invited_by
used_invite = Invite.with_deleted.joins(:invited_users).where("invited_users.user_id = ?", self.id).first
used_invite.try(:invited_by)
end
def should_validate_email_address?
!skip_email_validation && !staged?
end
def self.email_hash(email)
Digest::MD5.hexdigest(email.strip.downcase)
end
def email_hash
User.email_hash(email)
end
def reload
@unread_notifications = nil
@unread_total_notifications = nil
@unread_pms = nil
@unread_bookmarks = nil
@unread_high_prios = nil
@user_fields_cache = nil
@ignored_user_ids = nil
@muted_user_ids = nil
super
end
def ignored_user_ids
@ignored_user_ids ||= ignored_users.pluck(:id)
end
def muted_user_ids
@muted_user_ids ||= muted_users.pluck(:id)
end
def unread_notifications_of_type(notification_type)
# perf critical, much more efficient than AR
sql = <<~SQL
SELECT COUNT(*)
FROM notifications n
LEFT JOIN topics t ON t.id = n.topic_id
WHERE t.deleted_at IS NULL
AND n.notification_type = :notification_type
AND n.user_id = :user_id
AND NOT read
SQL
# to avoid coalesce we do to_i
DB.query_single(sql, user_id: id, notification_type: notification_type)[0].to_i
end
def unread_notifications_of_priority(high_priority:)
# perf critical, much more efficient than AR
sql = <<~SQL
SELECT COUNT(*)
FROM notifications n
LEFT JOIN topics t ON t.id = n.topic_id
WHERE t.deleted_at IS NULL
AND n.high_priority = :high_priority
AND n.user_id = :user_id
AND NOT read
SQL
# to avoid coalesce we do to_i
DB.query_single(sql, user_id: id, high_priority: high_priority)[0].to_i
end
###
# DEPRECATED: This is only maintained for backwards compat until v2.5. There
# may be inconsistencies with counts in the UI because of this, because unread
# high priority includes PMs AND bookmark reminders.
def unread_private_messages
@unread_pms ||= unread_high_priority_notifications
end
def unread_high_priority_notifications
@unread_high_prios ||= unread_notifications_of_priority(high_priority: true)
end
# PERF: This safeguard is in place to avoid situations where
# a user with enormous amounts of unread data can issue extremely
# expensive queries
MAX_UNREAD_NOTIFICATIONS = 99
def self.max_unread_notifications
@max_unread_notifications ||= MAX_UNREAD_NOTIFICATIONS
end
def self.max_unread_notifications=(val)
@max_unread_notifications = val
end
def unread_notifications
@unread_notifications ||= begin
# perf critical, much more efficient than AR
sql = <<~SQL
SELECT COUNT(*) FROM (
SELECT 1 FROM
notifications n
LEFT JOIN topics t ON t.id = n.topic_id
WHERE t.deleted_at IS NULL AND
n.high_priority = FALSE AND
n.user_id = :user_id AND
n.id > :seen_notification_id AND
NOT read
LIMIT :limit
) AS X
SQL
DB.query_single(sql,
user_id: id,
seen_notification_id: seen_notification_id,
limit: User.max_unread_notifications
)[0].to_i
end
end
def total_unread_notifications
@unread_total_notifications ||= notifications.where("read = false").count
end
def saw_notification_id(notification_id)
if seen_notification_id.to_i < notification_id.to_i
update_columns(seen_notification_id: notification_id.to_i)
true
else
false
end
end
TRACK_FIRST_NOTIFICATION_READ_DURATION = 1.week.to_i
def read_first_notification?
if (trust_level > TrustLevel[1] ||
(first_seen_at.present? && first_seen_at < TRACK_FIRST_NOTIFICATION_READ_DURATION.seconds.ago) ||
user_option.skip_new_user_tips)
return true
end
self.seen_notification_id == 0 ? false : true
end
def publish_notifications_state
# publish last notification json with the message so we can apply an update
notification = notifications.visible.order('notifications.created_at desc').first
json = NotificationSerializer.new(notification).as_json if notification
sql = (<<~SQL)
SELECT * FROM (
SELECT n.id, n.read FROM notifications n
LEFT JOIN topics t ON n.topic_id = t.id
WHERE
t.deleted_at IS NULL AND
n.high_priority AND
n.user_id = :user_id AND
NOT read
ORDER BY n.id DESC
LIMIT 20
) AS x
UNION ALL
SELECT * FROM (
SELECT n.id, n.read FROM notifications n
LEFT JOIN topics t ON n.topic_id = t.id
WHERE
t.deleted_at IS NULL AND
(n.high_priority = FALSE OR read) AND
n.user_id = :user_id
ORDER BY n.id DESC
LIMIT 20
) AS y
SQL
recent = DB.query(sql, user_id: id).map! do |r|
[r.id, r.read]
end
payload = {
unread_notifications: unread_notifications,
unread_private_messages: unread_private_messages,
unread_high_priority_notifications: unread_high_priority_notifications,
read_first_notification: read_first_notification?,
last_notification: json,
recent: recent,
seen_notification_id: seen_notification_id,
}
MessageBus.publish("/notification/#{id}", payload, user_ids: [id])
end
def publish_do_not_disturb(ends_at: nil)
MessageBus.publish("/do-not-disturb/#{id}", { ends_at: ends_at&.httpdate }, user_ids: [id])
end
def password=(password)
# special case for passwordless accounts
unless password.blank?
@raw_password = password
end
end
def password
'' # so that validator doesn't complain that a password attribute doesn't exist
end
# Indicate that this is NOT a passwordless account for the purposes of validation
def password_required!
@password_required = true
end
def password_required?
!!@password_required
end
def password_validation_required?
password_required? || @raw_password.present?
end
def has_password?
password_hash.present?
end
def password_validator
PasswordValidator.new(attributes: :password).validate_each(self, :password, @raw_password)
end
def confirm_password?(password)
return false unless password_hash && salt
self.password_hash == hash_password(password, salt)
end
def new_user_posting_on_first_day?
!staff? &&
trust_level < TrustLevel[2] &&
(trust_level == TrustLevel[0] || self.first_post_created_at.nil? || self.first_post_created_at >= 24.hours.ago)
end
def new_user?
(created_at >= 24.hours.ago || trust_level == TrustLevel[0]) &&
trust_level < TrustLevel[2] &&
!staff?
end
def seen_before?
last_seen_at.present?
end
def create_visit_record!(date, opts = {})
user_stat.update_column(:days_visited, user_stat.days_visited + 1)
user_visits.create!(visited_at: date, posts_read: opts[:posts_read] || 0, mobile: opts[:mobile] || false)
end
def visit_record_for(date)
user_visits.find_by(visited_at: date)
end
def update_visit_record!(date)
create_visit_record!(date) unless visit_record_for(date)
end
def update_timezone_if_missing(timezone)
return if timezone.blank? || !TimezoneValidator.valid?(timezone)
# we only want to update the user's timezone if they have not set it themselves
UserOption
.where(user_id: self.id, timezone: nil)
.update_all(timezone: timezone)
end
def update_posts_read!(num_posts, opts = {})
now = opts[:at] || Time.zone.now
_retry = opts[:retry] || false
if user_visit = visit_record_for(now.to_date)
user_visit.posts_read += num_posts
user_visit.mobile = true if opts[:mobile]
user_visit.save
user_visit
else
begin
create_visit_record!(now.to_date, posts_read: num_posts, mobile: opts.fetch(:mobile, false))
rescue ActiveRecord::RecordNotUnique
if !_retry
update_posts_read!(num_posts, opts.merge(retry: true))
else
raise
end
end
end
end
def update_ip_address!(new_ip_address)
unless ip_address == new_ip_address || new_ip_address.blank?
update_column(:ip_address, new_ip_address)
if SiteSetting.keep_old_ip_address_count > 0
DB.exec(<<~SQL, user_id: self.id, ip_address: new_ip_address, current_timestamp: Time.zone.now)
INSERT INTO user_ip_address_histories (user_id, ip_address, created_at, updated_at)
VALUES (:user_id, :ip_address, :current_timestamp, :current_timestamp)
ON CONFLICT (user_id, ip_address)
DO
UPDATE SET updated_at = :current_timestamp
SQL
DB.exec(<<~SQL, user_id: self.id, offset: SiteSetting.keep_old_ip_address_count)
DELETE FROM user_ip_address_histories
WHERE id IN (
SELECT
id
FROM user_ip_address_histories
WHERE user_id = :user_id
ORDER BY updated_at DESC
OFFSET :offset
)
SQL
end
end
end
def last_seen_redis_key(now)
now_date = now.to_date
"user:#{id}:#{now_date}"
end
def clear_last_seen_cache!(now = Time.zone.now)
Discourse.redis.del(last_seen_redis_key(now))
end
def update_last_seen!(now = Time.zone.now)
redis_key = last_seen_redis_key(now)
if SiteSetting.active_user_rate_limit_secs > 0
return if !Discourse.redis.set(
redis_key, "1",
nx: true,
ex: SiteSetting.active_user_rate_limit_secs
)
end
update_previous_visit(now)
# using update_column to avoid the AR transaction
update_column(:last_seen_at, now)
update_column(:first_seen_at, now) unless self.first_seen_at
DiscourseEvent.trigger(:user_seen, self)
end
def self.gravatar_template(email)
"//#{SiteSetting.gravatar_base_url}/avatar/#{self.email_hash(email)}.png?s={size}&r=pg&d=identicon"
end
# Don't pass this up to the client - it's meant for server side use
# 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
UrlHelper.schemaless UrlHelper.absolute avatar_template
end
def self.username_hash(username)
username.each_char.reduce(0) do |result, char|
[((result << 5) - result) + char.ord].pack('L').unpack('l').first
end.abs
end
def self.default_template(username)
if SiteSetting.default_avatars.present?
urls = SiteSetting.default_avatars.split("\n")
return urls[username_hash(username) % urls.size] if urls.present?
end
system_avatar_template(username)
end
def self.avatar_template(username, uploaded_avatar_id)
username ||= ""
return default_template(username) if !uploaded_avatar_id
hostname = RailsMultisite::ConnectionManagement.current_hostname
UserAvatar.local_avatar_template(hostname, username.downcase, uploaded_avatar_id)
end
def self.system_avatar_template(username)
normalized_username = normalize_username(username)
# TODO it may be worth caching this in a distributed cache, should be benched
if SiteSetting.external_system_avatars_enabled
url = SiteSetting.external_system_avatars_url.dup
url = +"#{Discourse.base_path}#{url}" unless url =~ /^https?:\/\//
url.gsub! "{color}", letter_avatar_color(normalized_username)
url.gsub! "{username}", UrlHelper.encode_component(username)
url.gsub! "{first_letter}", UrlHelper.encode_component(normalized_username.grapheme_clusters.first)
url.gsub! "{hostname}", Discourse.current_hostname
url
else
"#{Discourse.base_path}/letter_avatar/#{normalized_username}/{size}/#{LetterAvatar.version}.png"
end
end
def self.letter_avatar_color(username)
username ||= ""
if SiteSetting.restrict_letter_avatar_colors.present?
hex_length = 6
colors = SiteSetting.restrict_letter_avatar_colors
length = colors.count("|") + 1
num = color_index(username, length)
index = (num * hex_length) + num
colors[index, hex_length]
else
color = LetterAvatar::COLORS[color_index(username, LetterAvatar::COLORS.length)]
color.map { |c| c.to_s(16).rjust(2, '0') }.join
end
end
def self.color_index(username, length)
Digest::MD5.hexdigest(username)[0...15].to_i(16) % length
end
def is_system_user?
id == Discourse::SYSTEM_USER_ID
end
def avatar_template
use_small_logo = is_system_user? &&
SiteSetting.logo_small && SiteSetting.use_site_small_logo_as_system_avatar
if use_small_logo
Discourse.store.cdn_url(SiteSetting.logo_small.url)
else
self.class.avatar_template(username, uploaded_avatar_id)
end
end
# The following count methods are somewhat slow - definitely don't use them in a loop.
# They might need to be denormalized
def like_count
UserAction.where(user_id: id, action_type: UserAction::WAS_LIKED).count
end
def like_given_count
UserAction.where(user_id: id, action_type: UserAction::LIKE).count
end
def post_count
stat = user_stat || create_user_stat
stat.post_count
end
def flags_given_count
PostAction.where(user_id: id, post_action_type_id: PostActionType.flag_types_without_custom.values).count
end
def warnings_received_count
user_warnings.count
end
def flags_received_count
posts.includes(:post_actions).where('post_actions.post_action_type_id' => PostActionType.flag_types_without_custom.values).count
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 and non-new members...
return false if staff? || (trust_level != TrustLevel[0])
# ... your own topics or in private messages
topic = Topic.where(id: topic_id).first
return false if topic.try(:private_message?) || (topic.try(:user_id) == self.id)
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_posts_in_batches(guardian, batch_size = 20)
raise Discourse::InvalidAccess unless guardian.can_delete_all_posts? self
Reviewable.where(created_by_id: id).delete_all
posts.order("post_number desc").limit(batch_size).each do |p|
PostDestroyer.new(guardian.user, p).destroy
end
end
def suspended?
!!(suspended_till && suspended_till > Time.zone.now)
end
def silenced?
!!(silenced_till && silenced_till > Time.zone.now)
end
def silenced_record
UserHistory.for(self, :silence_user).order('id DESC').first
end
def silence_reason
silenced_record.try(:details) if silenced?
end
def silenced_at
silenced_record.try(:created_at) if silenced?
end
def suspend_record
UserHistory.for(self, :suspend_user).order('id DESC').first
end
def full_suspend_reason
return suspend_record.try(:details) if suspended?
end
def suspend_reason
if details = full_suspend_reason
return details.split("\n")[0]
end
nil
end
# Use this helper to determine if the user has a particular trust level.
# Takes into account admin, etc.
def has_trust_level?(level)
unless TrustLevel.valid?(level)
raise InvalidTrustLevel.new("Invalid trust level #{level}")
end
admin? || moderator? || staged? || TrustLevel.compare(trust_level, level)
end
# a touch faster than automatic
def admin?
admin
end
def guardian
Guardian.new(self)
end
def username_format_validator
UsernameValidator.perform_validation(self, 'username')
end
def email_confirmed?