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# frozen_string_literal: true
require 'carrierwave/orm/activerecord'
module Projects
class Topic < ApplicationRecord
include Avatarable
include Gitlab::SQL::Pattern
SLUG_ALLOWED_REGEX = %r{\A[a-zA-Z0-9_\-.]+\z}
validates :name, presence: true, length: { maximum: 255 }
validates :name, uniqueness: { scope: :organization_id, case_sensitive: false }, if: :name_changed?
validate :validate_name_format, if: :name_changed?
validates :slug,
length: { maximum: 255 },
uniqueness: { scope: :organization_id, case_sensitive: false },
format: { with: SLUG_ALLOWED_REGEX, message: "can contain only letters, digits, '_', '-', '.'" },
if: :slug_changed?
validates :title, presence: true, length: { maximum: 255 }, on: :create
validates :description, length: { maximum: 1024 }
belongs_to :organization, class_name: 'Organizations::Organization'
has_many :project_topics, class_name: 'Projects::ProjectTopic'
has_many :projects, through: :project_topics
scope :for_organization, ->(organization_id) { where(organization_id: organization_id) }
scope :without_assigned_projects, -> { where(total_projects_count: 0) }
scope :order_by_non_private_projects_count, -> { order(non_private_projects_count: :desc).order(id: :asc) }
scope :reorder_by_similarity, ->(search) do
order_expression = Gitlab::Database::SimilarityScore.build_expression(
search: search,
rules: [
{ column: arel_table['name'] }
])
reorder(order_expression.desc, arel_table['non_private_projects_count'].desc, arel_table['id'])
end
def title_or_name
title || name
end
class << self
def find_by_name_case_insensitive(name)
find_by('LOWER(name) = ?', name.downcase)
end
def search(query)
fuzzy_search(query, [:name, :title])
end
def update_non_private_projects_counter(ids_before, ids_after, project_visibility_level_before, project_visibility_level_after)
project_visibility_level_before ||= project_visibility_level_after
topics_to_decrement = []
topics_to_increment = []
topic_ids_removed = ids_before - ids_after
topic_ids_retained = ids_before & ids_after
topic_ids_added = ids_after - ids_before
if project_visibility_level_before > Gitlab::VisibilityLevel::PRIVATE
topics_to_decrement += topic_ids_removed
topics_to_decrement += topic_ids_retained if project_visibility_level_after == Gitlab::VisibilityLevel::PRIVATE
end
if project_visibility_level_after > Gitlab::VisibilityLevel::PRIVATE
topics_to_increment += topic_ids_added
topics_to_increment += topic_ids_retained if project_visibility_level_before == Gitlab::VisibilityLevel::PRIVATE
end
where(id: topics_to_increment).update_counters(non_private_projects_count: 1) unless topics_to_increment.empty?
where(id: topics_to_decrement).where('non_private_projects_count > 0').update_counters(non_private_projects_count: -1) unless topics_to_decrement.empty?
end
end
private
def validate_name_format
return if name.blank?
case name
when /\R/
# /\R/ - A linebreak: \n, \v, \f, \r \u0085 (NEXT LINE),
# \u2028 (LINE SEPARATOR), \u2029 (PARAGRAPH SEPARATOR) or \r\n.
errors.add(:name, 'has characters that are not allowed')
when /[^\p{ASCII}]/
# when not ASCII characters
errors.add(:name, 'must only include ASCII characters')
end
end
end
end
::Projects::Topic.prepend_mod_with('Projects::Topic')
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