project.rb 71.3 KB
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# frozen_string_literal: true

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require 'carrierwave/orm/activerecord'

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class Project < ApplicationRecord
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  include Gitlab::ConfigHelper
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  include Gitlab::ShellAdapter
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  include Gitlab::VisibilityLevel
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  include AccessRequestable
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  include Avatarable
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  include CacheMarkdownField
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  include Referable
  include Sortable
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  include AfterCommitQueue
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  include CaseSensitivity
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  include TokenAuthenticatable
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  include ValidAttribute
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  include ProjectAPICompatibility
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  include ProjectFeaturesCompatibility
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  include SelectForProjectAuthorization
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  include Presentable
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  include Routable
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  include GroupDescendant
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  include Gitlab::SQL::Pattern
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  include DeploymentPlatform
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  include ::Gitlab::Utils::StrongMemoize
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  include ChronicDurationAttribute
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  include FastDestroyAll::Helpers
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  include WithUploads
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  include BatchDestroyDependentAssociations
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  include FeatureGate
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  include OptionallySearch
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  include FromUnion
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  extend Gitlab::Cache::RequestCache
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  extend Gitlab::ConfigHelper
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  BoardLimitExceeded = Class.new(StandardError)
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  STATISTICS_ATTRIBUTE = 'repositories_count'
  UNKNOWN_IMPORT_URL = 'http://unknown.git'
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  # Hashed Storage versions handle rolling out new storage to project and dependents models:
  # nil: legacy
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  # 1: repository
  # 2: attachments
  LATEST_STORAGE_VERSION = 2
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  HASHED_STORAGE_FEATURES = {
    repository: 1,
    attachments: 2
  }.freeze
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  VALID_IMPORT_PORTS = [80, 443].freeze
  VALID_IMPORT_PROTOCOLS = %w(http https git).freeze

  VALID_MIRROR_PORTS = [22, 80, 443].freeze
  VALID_MIRROR_PROTOCOLS = %w(http https ssh git).freeze
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  ACCESS_REQUEST_APPROVERS_TO_BE_NOTIFIED_LIMIT = 10

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  SORTING_PREFERENCE_FIELD = :projects_sort
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  MAX_BUILD_TIMEOUT = 1.month
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  cache_markdown_field :description, pipeline: :description

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  delegate :feature_available?, :builds_enabled?, :wiki_enabled?, :merge_requests_enabled?,
    :issues_enabled?, :pages_enabled?, :public_pages?, :private_pages?,
    :merge_requests_access_level, :issues_access_level, :wiki_access_level,
    :snippets_access_level, :builds_access_level, :repository_access_level,
    to: :project_feature, allow_nil: true
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  delegate :base_dir, :disk_path, :ensure_storage_path_exists, to: :storage
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  delegate :scheduled?, :started?, :in_progress?,
    :failed?, :finished?,
    prefix: :import, to: :import_state, allow_nil: true

  delegate :no_import?, to: :import_state, allow_nil: true

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  default_value_for :archived, false
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  default_value_for :resolve_outdated_diff_discussions, false
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  default_value_for :container_registry_enabled, gitlab_config_features.container_registry
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  default_value_for(:repository_storage) { Gitlab::CurrentSettings.pick_repository_storage }
  default_value_for(:shared_runners_enabled) { Gitlab::CurrentSettings.shared_runners_enabled }
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  default_value_for :issues_enabled, gitlab_config_features.issues
  default_value_for :merge_requests_enabled, gitlab_config_features.merge_requests
  default_value_for :builds_enabled, gitlab_config_features.builds
  default_value_for :wiki_enabled, gitlab_config_features.wiki
  default_value_for :snippets_enabled, gitlab_config_features.snippets
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  default_value_for :only_allow_merge_if_all_discussions_are_resolved, false
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  add_authentication_token_field :runners_token, encrypted: -> { Feature.enabled?(:projects_tokens_optional_encryption, default_enabled: true) ? :optional : :required }
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  before_validation :mark_remote_mirrors_for_removal, if: -> { RemoteMirror.table_exists? }
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  before_save :ensure_runners_token
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  after_save :update_project_statistics, if: :saved_change_to_namespace_id?
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  after_save :create_import_state, if: ->(project) { project.import? && project.import_state.nil? }

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  after_create :create_project_feature, unless: :project_feature
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  after_create :create_ci_cd_settings,
    unless: :ci_cd_settings,
    if: proc { ProjectCiCdSetting.available? }

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  after_create :set_timestamps_for_create
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  after_update :update_forks_visibility_level
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  before_destroy :remove_private_deploy_keys
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  use_fast_destroy :build_trace_chunks
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  after_destroy -> { run_after_commit { remove_pages } }
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  after_destroy :remove_exports
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  after_validation :check_pending_delete

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  # Storage specific hooks
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  after_initialize :use_hashed_storage
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  after_create :check_repository_absence!
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  after_create :ensure_storage_path_exists
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  after_save :ensure_storage_path_exists, if: :saved_change_to_namespace_id?
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  acts_as_ordered_taggable
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  attr_accessor :old_path_with_namespace
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  attr_accessor :template_name
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  attr_writer :pipeline_status
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  attr_accessor :skip_disk_validation
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  alias_attribute :title, :name

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  # Relations
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  belongs_to :pool_repository
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  belongs_to :creator, class_name: 'User'
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  belongs_to :group, -> { where(type: 'Group') }, foreign_key: 'namespace_id'
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  belongs_to :namespace
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  alias_method :parent, :namespace
  alias_attribute :parent_id, :namespace_id
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  has_one :last_event, -> {order 'events.created_at DESC'}, class_name: 'Event'
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  has_many :boards
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  # Project services
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  has_one :campfire_service
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  has_one :discord_service
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  has_one :drone_ci_service
  has_one :emails_on_push_service
  has_one :pipelines_email_service
  has_one :irker_service
  has_one :pivotaltracker_service
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  has_one :hipchat_service
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  has_one :flowdock_service
  has_one :assembla_service
  has_one :asana_service
  has_one :mattermost_slash_commands_service
  has_one :mattermost_service
  has_one :slack_slash_commands_service
  has_one :slack_service
  has_one :buildkite_service
  has_one :bamboo_service
  has_one :teamcity_service
  has_one :pushover_service
  has_one :jira_service
  has_one :redmine_service
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  has_one :youtrack_service
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  has_one :custom_issue_tracker_service
  has_one :bugzilla_service
  has_one :gitlab_issue_tracker_service, inverse_of: :project
  has_one :external_wiki_service
  has_one :prometheus_service, inverse_of: :project
  has_one :mock_ci_service
  has_one :mock_deployment_service
  has_one :mock_monitoring_service
  has_one :microsoft_teams_service
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  has_one :packagist_service
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  has_one :hangouts_chat_service
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  has_one :root_of_fork_network,
          foreign_key: 'root_project_id',
          inverse_of: :root_project,
          class_name: 'ForkNetwork'
  has_one :fork_network_member
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  has_one :fork_network, through: :fork_network_member
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  has_one :forked_from_project, through: :fork_network_member
  has_many :forked_to_members, class_name: 'ForkNetworkMember', foreign_key: 'forked_from_project_id'
  has_many :forks, through: :forked_to_members, source: :project, inverse_of: :forked_from_project
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  has_one :import_state, autosave: true, class_name: 'ProjectImportState', inverse_of: :project
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  has_one :import_export_upload, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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  has_one :project_repository, inverse_of: :project
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  has_one :error_tracking_setting, inverse_of: :project, class_name: 'ErrorTracking::ProjectErrorTrackingSetting'
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  has_one :metrics_setting, inverse_of: :project, class_name: 'ProjectMetricsSetting'
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  # Merge Requests for target project should be removed with it
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  has_many :merge_requests, foreign_key: 'target_project_id', inverse_of: :target_project
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  has_many :source_of_merge_requests, foreign_key: 'source_project_id', class_name: 'MergeRequest'
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  has_many :issues
  has_many :labels, class_name: 'ProjectLabel'
  has_many :services
  has_many :events
  has_many :milestones
  has_many :notes
  has_many :snippets, class_name: 'ProjectSnippet'
  has_many :hooks, class_name: 'ProjectHook'
  has_many :protected_branches
  has_many :protected_tags
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  has_many :repository_languages, -> { order "share DESC" }
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  has_many :project_authorizations
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  has_many :authorized_users, through: :project_authorizations, source: :user, class_name: 'User'
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  has_many :project_members, -> { where(requested_at: nil) },
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    as: :source, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
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  alias_method :members, :project_members
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  has_many :users, through: :project_members
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  has_many :requesters, -> { where.not(requested_at: nil) },
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    as: :source, class_name: 'ProjectMember', dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
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  has_many :members_and_requesters, as: :source, class_name: 'ProjectMember'
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  has_many :deploy_keys_projects, inverse_of: :project
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  has_many :deploy_keys, through: :deploy_keys_projects
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  has_many :users_star_projects
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  has_many :starrers, through: :users_star_projects, source: :user
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  has_many :releases
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  has_many :lfs_objects_projects, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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  has_many :lfs_objects, -> { distinct }, through: :lfs_objects_projects
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  has_many :lfs_file_locks
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  has_many :project_group_links
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  has_many :invited_groups, through: :project_group_links, source: :group
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  has_many :pages_domains
  has_many :todos
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  has_many :notification_settings, as: :source, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
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  has_many :internal_ids

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  has_one :import_data, class_name: 'ProjectImportData', inverse_of: :project, autosave: true
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  has_one :project_feature, inverse_of: :project
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  has_one :statistics, class_name: 'ProjectStatistics'
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  has_one :cluster_project, class_name: 'Clusters::Project'
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  has_many :clusters, through: :cluster_project, class_name: 'Clusters::Cluster'
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  has_many :cluster_ingresses, through: :clusters, source: :application_ingress, class_name: 'Clusters::Applications::Ingress'
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  has_many :kubernetes_namespaces, class_name: 'Clusters::KubernetesNamespace'
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  has_many :prometheus_metrics

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  # Container repositories need to remove data from the container registry,
  # which is not managed by the DB. Hence we're still using dependent: :destroy
  # here.
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  has_many :container_repositories, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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  has_many :commit_statuses
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  # The relation :all_pipelines is intended to be used when we want to get the
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  # whole list of pipelines associated to the project
  has_many :all_pipelines, class_name: 'Ci::Pipeline', inverse_of: :project
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  # The relation :ci_pipelines is intended to be used when we want to get only
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  # those pipeline which are directly related to CI. There are
  # other pipelines, like webide ones, that we won't retrieve
  # if we use this relation.
  has_many :ci_pipelines,
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          -> { ci_sources },
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          class_name: 'Ci::Pipeline',
          inverse_of: :project
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  has_many :stages, class_name: 'Ci::Stage', inverse_of: :project
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  # Ci::Build objects store data on the file system such as artifact files and
  # build traces. Currently there's no efficient way of removing this data in
  # bulk that doesn't involve loading the rows into memory. As a result we're
  # still using `dependent: :destroy` here.
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  has_many :builds, class_name: 'Ci::Build', inverse_of: :project, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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  has_many :build_trace_section_names, class_name: 'Ci::BuildTraceSectionName'
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  has_many :build_trace_chunks, class_name: 'Ci::BuildTraceChunk', through: :builds, source: :trace_chunks
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  has_many :runner_projects, class_name: 'Ci::RunnerProject', inverse_of: :project
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  has_many :runners, through: :runner_projects, source: :runner, class_name: 'Ci::Runner'
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  has_many :variables, class_name: 'Ci::Variable'
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  has_many :triggers, class_name: 'Ci::Trigger'
  has_many :environments
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  has_many :deployments, -> { success }
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  has_many :pipeline_schedules, class_name: 'Ci::PipelineSchedule'
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  has_many :project_deploy_tokens
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  has_many :deploy_tokens, through: :project_deploy_tokens
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  has_one :auto_devops, class_name: 'ProjectAutoDevops', inverse_of: :project, autosave: true
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  has_many :custom_attributes, class_name: 'ProjectCustomAttribute'
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  has_many :project_badges, class_name: 'ProjectBadge'
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  has_one :ci_cd_settings, class_name: 'ProjectCiCdSetting', inverse_of: :project, autosave: true, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
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  has_many :remote_mirrors, inverse_of: :project
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  has_many :cycle_analytics_stages, class_name: 'Analytics::CycleAnalytics::ProjectStage'
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  has_many :external_pull_requests, inverse_of: :project

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  accepts_nested_attributes_for :variables, allow_destroy: true
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  accepts_nested_attributes_for :project_feature, update_only: true
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  accepts_nested_attributes_for :import_data
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  accepts_nested_attributes_for :auto_devops, update_only: true
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  accepts_nested_attributes_for :ci_cd_settings, update_only: true
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  accepts_nested_attributes_for :remote_mirrors,
                                allow_destroy: true,
                                reject_if: ->(attrs) { attrs[:id].blank? && attrs[:url].blank? }

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  accepts_nested_attributes_for :error_tracking_setting, update_only: true
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  accepts_nested_attributes_for :metrics_setting, update_only: true, allow_destroy: true
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  delegate :name, to: :owner, allow_nil: true, prefix: true
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  delegate :members, to: :team, prefix: true
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  delegate :add_user, :add_users, to: :team
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  delegate :add_guest, :add_reporter, :add_developer, :add_maintainer, :add_role, to: :team
  delegate :add_master, to: :team # @deprecated
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  delegate :group_runners_enabled, :group_runners_enabled=, :group_runners_enabled?, to: :ci_cd_settings
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  delegate :root_ancestor, to: :namespace, allow_nil: true
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  delegate :last_pipeline, to: :commit, allow_nil: true
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  delegate :external_dashboard_url, to: :metrics_setting, allow_nil: true, prefix: true
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  delegate :default_git_depth, :default_git_depth=, to: :ci_cd_settings, prefix: :ci
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  # Validations
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  validates :creator, presence: true, on: :create
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  validates :description, length: { maximum: 2000 }, allow_blank: true
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  validates :ci_config_path,
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    format: { without: %r{(\.{2}|\A/)},
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              message: _('cannot include leading slash or directory traversal.') },
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    length: { maximum: 255 },
    allow_blank: true
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  validates :name,
    presence: true,
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    length: { maximum: 255 },
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    format: { with: Gitlab::Regex.project_name_regex,
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              message: Gitlab::Regex.project_name_regex_message }
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  validates :path,
    presence: true,
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    project_path: true,
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    length: { maximum: 255 }
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  validates :namespace, presence: true
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  validates :name, uniqueness: { scope: :namespace_id }
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  validates :import_url, public_url: { schemes: ->(project) { project.persisted? ? VALID_MIRROR_PROTOCOLS : VALID_IMPORT_PROTOCOLS },
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                                       ports: ->(project) { project.persisted? ? VALID_MIRROR_PORTS : VALID_IMPORT_PORTS },
                                       enforce_user: true }, if: [:external_import?, :import_url_changed?]
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  validates :star_count, numericality: { greater_than_or_equal_to: 0 }
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  validate :check_personal_projects_limit, on: :create
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  validate :check_repository_path_availability, on: :update, if: ->(project) { project.renamed? }
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  validate :visibility_level_allowed_by_group, if: :should_validate_visibility_level?
  validate :visibility_level_allowed_as_fork, if: :should_validate_visibility_level?
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  validate :check_wiki_path_conflict
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  validate :validate_pages_https_only, if: -> { changes.has_key?(:pages_https_only) }
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  validates :repository_storage,
    presence: true,
    inclusion: { in: ->(_object) { Gitlab.config.repositories.storages.keys } }
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  validates :variables, variable_duplicates: { scope: :environment_scope }
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  validates :bfg_object_map, file_size: { maximum: :max_attachment_size }
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  # Scopes
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  scope :pending_delete, -> { where(pending_delete: true) }
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  scope :without_deleted, -> { where(pending_delete: false) }
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  scope :with_storage_feature, ->(feature) { where('storage_version >= :version', version: HASHED_STORAGE_FEATURES[feature]) }
  scope :without_storage_feature, ->(feature) { where('storage_version < :version OR storage_version IS NULL', version: HASHED_STORAGE_FEATURES[feature]) }
  scope :with_unmigrated_storage, -> { where('storage_version < :version OR storage_version IS NULL', version: LATEST_STORAGE_VERSION) }
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  # last_activity_at is throttled every minute, but last_repository_updated_at is updated with every push
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  scope :sorted_by_activity, -> { reorder(Arel.sql("GREATEST(COALESCE(last_activity_at, '1970-01-01'), COALESCE(last_repository_updated_at, '1970-01-01')) DESC")) }
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  scope :sorted_by_stars_desc, -> { reorder(star_count: :desc) }
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  scope :sorted_by_stars_asc, -> { reorder(star_count: :asc) }
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  scope :sorted_by_name_asc_limited, ->(limit) { reorder(name: :asc).limit(limit) }
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  scope :in_namespace, ->(namespace_ids) { where(namespace_id: namespace_ids) }
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  scope :personal, ->(user) { where(namespace_id: user.namespace_id) }
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  scope :joined, ->(user) { where('namespace_id != ?', user.namespace_id) }
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  scope :starred_by, ->(user) { joins(:users_star_projects).where('users_star_projects.user_id': user.id) }
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  scope :visible_to_user, ->(user) { where(id: user.authorized_projects.select(:id).reorder(nil)) }
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  scope :visible_to_user_and_access_level, ->(user, access_level) { where(id: user.authorized_projects.where('project_authorizations.access_level >= ?', access_level).select(:id).reorder(nil)) }
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  scope :archived, -> { where(archived: true) }
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  scope :non_archived, -> { where(archived: false) }
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  scope :for_milestones, ->(ids) { joins(:milestones).where('milestones.id' => ids).distinct }
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  scope :with_push, -> { joins(:events).where('events.action = ?', Event::PUSHED) }
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  scope :with_project_feature, -> { joins('LEFT JOIN project_features ON projects.id = project_features.project_id') }
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  scope :with_statistics, -> { includes(:statistics) }
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  scope :with_shared_runners, -> { where(shared_runners_enabled: true) }
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  scope :inside_path, ->(path) do
    # We need routes alias rs for JOIN so it does not conflict with
    # includes(:route) which we use in ProjectsFinder.
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    joins("INNER JOIN routes rs ON rs.source_id = projects.id AND rs.source_type = 'Project'")
      .where('rs.path LIKE ?', "#{sanitize_sql_like(path)}/%")
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  end
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  # "enabled" here means "not disabled". It includes private features!
  scope :with_feature_enabled, ->(feature) {
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    access_level_attribute = ProjectFeature.arel_table[ProjectFeature.access_level_attribute(feature)]
    enabled_feature = access_level_attribute.gt(ProjectFeature::DISABLED).or(access_level_attribute.eq(nil))

    with_project_feature.where(enabled_feature)
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  }

  # Picks a feature where the level is exactly that given.
  scope :with_feature_access_level, ->(feature, level) {
    access_level_attribute = ProjectFeature.access_level_attribute(feature)
    with_project_feature.where(project_features: { access_level_attribute => level })
  }

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  # Picks projects which use the given programming language
  scope :with_programming_language, ->(language_name) do
    lang_id_query = ProgrammingLanguage
        .with_name_case_insensitive(language_name)
        .select(:id)

    joins(:repository_languages)
        .where(repository_languages: { programming_language_id: lang_id_query })
  end

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  scope :with_builds_enabled, -> { with_feature_enabled(:builds) }
  scope :with_issues_enabled, -> { with_feature_enabled(:issues) }
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  scope :with_issues_available_for_user, ->(current_user) { with_feature_available_for_user(:issues, current_user) }
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  scope :with_merge_requests_available_for_user, ->(current_user) { with_feature_available_for_user(:merge_requests, current_user) }
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  scope :with_merge_requests_enabled, -> { with_feature_enabled(:merge_requests) }
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  scope :with_remote_mirrors, -> { joins(:remote_mirrors).where(remote_mirrors: { enabled: true }).distinct }
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  scope :with_group_runners_enabled, -> do
    joins(:ci_cd_settings)
    .where(project_ci_cd_settings: { group_runners_enabled: true })
  end

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  enum auto_cancel_pending_pipelines: { disabled: 0, enabled: 1 }
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  chronic_duration_attr :build_timeout_human_readable, :build_timeout,
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    default: 3600, error_message: _('Maximum job timeout has a value which could not be accepted')
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  validates :build_timeout, allow_nil: true,
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                            numericality: { greater_than_or_equal_to: 10.minutes,
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                                            less_than: MAX_BUILD_TIMEOUT,
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                                            only_integer: true,
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                                            message: _('needs to be between 10 minutes and 1 month') }
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  # Used by Projects::CleanupService to hold a map of rewritten object IDs
  mount_uploader :bfg_object_map, AttachmentUploader

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  # Returns a project, if it is not about to be removed.
  #
  # id - The ID of the project to retrieve.
  def self.find_without_deleted(id)
    without_deleted.find_by_id(id)
  end

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  def self.eager_load_namespace_and_owner
    includes(namespace: :owner)
  end

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  # Returns a collection of projects that is either public or visible to the
  # logged in user.
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  def self.public_or_visible_to_user(user = nil, min_access_level = nil)
    min_access_level = nil if user&.admin?

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    if user
      where('EXISTS (?) OR projects.visibility_level IN (?)',
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            user.authorizations_for_projects(min_access_level: min_access_level),
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            Gitlab::VisibilityLevel.levels_for_user(user))
    else
      public_to_user
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    end
  end

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  # project features may be "disabled", "internal", "enabled" or "public". If "internal",
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  # they are only available to team members. This scope returns projects where
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  # the feature is either public, enabled, or internal with permission for the user.
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  # Note: this scope doesn't enforce that the user has access to the projects, it just checks
  # that the user has access to the feature. It's important to use this scope with others
  # that checks project authorizations first.
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  #
  # This method uses an optimised version of `with_feature_access_level` for
  # logged in users to more efficiently get private projects with the given
  # feature.
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  def self.with_feature_available_for_user(feature, user)
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    visible = [ProjectFeature::ENABLED, ProjectFeature::PUBLIC]
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    if user&.admin?
      with_feature_enabled(feature)
    elsif user
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      min_access_level = ProjectFeature.required_minimum_access_level(feature)
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      column = ProjectFeature.quoted_access_level_column(feature)

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      with_project_feature
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      .where("#{column} IS NULL OR #{column} IN (:public_visible) OR (#{column} = :private_visible AND EXISTS (:authorizations))",
            {
              public_visible: visible,
              private_visible: ProjectFeature::PRIVATE,
              authorizations: user.authorizations_for_projects(min_access_level: min_access_level)
            })
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    else
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      # This has to be added to include features whose value is nil in the db
      visible << nil
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      with_feature_access_level(feature, visible)
    end
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  end
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  scope :active, -> { joins(:issues, :notes, :merge_requests).order('issues.created_at, notes.created_at, merge_requests.created_at DESC') }
  scope :abandoned, -> { where('projects.last_activity_at < ?', 6.months.ago) }
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  scope :excluding_project, ->(project) { where.not(id: project) }

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  # We require an alias to the project_mirror_data_table in order to use import_state in our queries
  scope :joins_import_state, -> { joins("INNER JOIN project_mirror_data import_state ON import_state.project_id = projects.id") }
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  scope :for_group, -> (group) { where(group: group) }
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  scope :for_group_and_its_subgroups, ->(group) { where(namespace_id: group.self_and_descendants.select(:id)) }
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  class << self
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    # Searches for a list of projects based on the query given in `query`.
    #
    # On PostgreSQL this method uses "ILIKE" to perform a case-insensitive
    # search. On MySQL a regular "LIKE" is used as it's already
    # case-insensitive.
    #
    # query - The search query as a String.
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    def search(query)
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      fuzzy_search(query, [:path, :name, :description])
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    end
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    def search_by_title(query)
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      non_archived.fuzzy_search(query, [:name])
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    end

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    def visibility_levels
      Gitlab::VisibilityLevel.options
    end
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    def sort_by_attribute(method)
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      case method.to_s
      when 'storage_size_desc'
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        # storage_size is a joined column so we need to
        # pass a string to avoid AR adding the table name
        reorder('project_statistics.storage_size DESC, projects.id DESC')
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      when 'latest_activity_desc'
        reorder(last_activity_at: :desc)
      when 'latest_activity_asc'
        reorder(last_activity_at: :asc)
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      when 'stars_desc'
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        sorted_by_stars_desc
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      when 'stars_asc'
        sorted_by_stars_asc
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      else
        order_by(method)
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      end
    end
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    def reference_pattern
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      %r{
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        (?<!#{Gitlab::PathRegex::PATH_START_CHAR})
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        ((?<namespace>#{Gitlab::PathRegex::FULL_NAMESPACE_FORMAT_REGEX})\/)?
        (?<project>#{Gitlab::PathRegex::PROJECT_PATH_FORMAT_REGEX})
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      }x
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    end
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    def reference_postfix
      '>'
    end

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    def reference_postfix_escaped
      '&gt;'
    end

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    # Pattern used to extract `namespace/project>` project references from text.
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    # '>' or its escaped form ('&gt;') are checked for because '>' is sometimes escaped
    # when the reference comes from an external source.
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    def markdown_reference_pattern
      %r{
        #{reference_pattern}
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        (#{reference_postfix}|#{reference_postfix_escaped})
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      }x
    end

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    def trending
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      joins('INNER JOIN trending_projects ON projects.id = trending_projects.project_id')
        .reorder('trending_projects.id ASC')
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    end
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    def cached_count
      Rails.cache.fetch('total_project_count', expires_in: 5.minutes) do
        Project.count
      end
    end
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    def group_ids
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      joins(:namespace).where(namespaces: { type: 'Group' }).select(:namespace_id)
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    end
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    # Returns ids of projects with milestones available for given user
    #
    # Used on queries to find milestones which user can see
    # For example: Milestone.where(project_id: ids_with_milestone_available_for(user))
    def ids_with_milestone_available_for(user)
      with_issues_enabled = with_issues_available_for_user(user).select(:id)
      with_merge_requests_enabled = with_merge_requests_available_for_user(user).select(:id)

      from_union([with_issues_enabled, with_merge_requests_enabled]).select(:id)
    end
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  end

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  def initialize(attributes = nil)
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    # We can't use default_value_for because the database has a default
    # value of 0 for visibility_level. If someone attempts to create a
    # private project, default_value_for will assume that the
    # visibility_level hasn't changed and will use the application
    # setting default, which could be internal or public. For projects
    # inside a private group, those levels are invalid.
    #
    # To fix the problem, we assign the actual default in the application if
    # no explicit visibility has been initialized.
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    attributes ||= {}

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    unless visibility_attribute_present?(attributes)
      attributes[:visibility_level] = Gitlab::CurrentSettings.default_project_visibility
    end

    super
  end

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  def all_pipelines
    if builds_enabled?
      super
    else
      super.external
    end
  end

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  def ci_pipelines
    if builds_enabled?
      super
    else
      super.external
    end
  end

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  # returns all ancestor-groups upto but excluding the given namespace
  # when no namespace is given, all ancestors upto the top are returned
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  def ancestors_upto(top = nil, hierarchy_order: nil)
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    Gitlab::ObjectHierarchy.new(Group.where(id: namespace_id))
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      .base_and_ancestors(upto: top, hierarchy_order: hierarchy_order)
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  end

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  alias_method :ancestors, :ancestors_upto

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  def emails_disabled?
    strong_memoize(:emails_disabled) do
      # disabling in the namespace overrides the project setting
      Feature.enabled?(:emails_disabled, self, default_enabled: true) && (super || namespace.emails_disabled?)
    end
  end

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  def lfs_enabled?
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    return namespace.lfs_enabled? if self[:lfs_enabled].nil?
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    self[:lfs_enabled] && Gitlab.config.lfs.enabled
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  end

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  alias_method :lfs_enabled, :lfs_enabled?

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  def auto_devops_enabled?
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    if auto_devops&.enabled.nil?
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      has_auto_devops_implicitly_enabled?
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    else
      auto_devops.enabled?
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    end
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  end

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  def has_auto_devops_implicitly_enabled?
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    auto_devops_config = first_auto_devops_config

    auto_devops_config[:scope] != :project && auto_devops_config[:status]
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  end

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  def has_auto_devops_implicitly_disabled?
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    auto_devops_config = first_auto_devops_config

    auto_devops_config[:scope] != :project && !auto_devops_config[:status]
  end

  def first_auto_devops_config
    return namespace.first_auto_devops_config if auto_devops&.enabled.nil?

    { scope: :project, status: auto_devops&.enabled || Feature.enabled?(:force_autodevops_on_by_default, self) }
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  end

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  def daily_statistics_enabled?
    Feature.enabled?(:project_daily_statistics, self, default_enabled: true)
  end

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  def empty_repo?
    repository.empty?
  end

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  def team
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    @team ||= ProjectTeam.new(self)
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  end

  def repository
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    @repository ||= Repository.new(full_path, self, disk_path: disk_path)
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  end

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  def cleanup
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    @repository = nil
  end

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  alias_method :reload_repository!, :cleanup

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  def container_registry_url
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    if Gitlab.config.registry.enabled
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      "#{Gitlab.config.registry.host_port}/#{full_path.downcase}"
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    end
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  end

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  def has_container_registry_tags?
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    return @images if defined?(@images)

    @images = container_repositories.to_a.any?(&:has_tags?) ||
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      has_root_container_repository_tags?
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  end

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  def commit(ref = 'HEAD')
    repository.commit(ref)
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  end

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  def commit_by(oid:)
    repository.commit_by(oid: oid)
  end

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  def commits_by(oids:)
    repository.commits_by(oids: oids)
  end

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  # ref can't be HEAD, can only be branch/tag name
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  def latest_successful_build_for_ref(job_name, ref = default_branch)
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    return unless ref

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    latest_pipeline = ci_pipelines.latest_successful_for_ref(ref)
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    return unless latest_pipeline
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    latest_pipeline.builds.latest.with_artifacts_archive.find_by(name: job_name)
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  end

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  def latest_successful_build_for_sha(job_name, sha)
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    return unless sha

    latest_pipeline = ci_pipelines.latest_successful_for_sha(sha)
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    return unless latest_pipeline
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    latest_pipeline.builds.latest.with_artifacts_archive.find_by(name: job_name)
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  end

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  def latest_successful_build_for_ref!(job_name, ref = default_branch)
    latest_successful_build_for_ref(job_name, ref) || raise(ActiveRecord::RecordNotFound.new("Couldn't find job #{job_name}"))
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  end

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  def latest_pipeline_for_ref(ref = default_branch)
    ref = ref.presence || default_branch
    sha = commit(ref)&.sha

    return unless sha

    ci_pipelines.newest_first(ref: ref, sha: sha).first
  end

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  def merge_base_commit(first_commit_id, second_commit_id)
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    sha = repository.merge_base(first_commit_id, second_commit_id)
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    commit_by(oid: sha) if sha
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  end

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  def saved?
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    id && persisted?
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  end

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  def import_status
    import_state&.status || 'none'
  end

  def human_import_status_name
    import_state&.human_status_name || 'none'
  end

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  def add_import_job
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    job_id =
      if forked?
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        RepositoryForkWorker.perform_async(id)
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      elsif gitlab_project_import?
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        # Do not retry on Import/Export until https://gitlab.com/gitlab-org/gitlab-foss/issues/26189 is solved.
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        RepositoryImportWorker.set(retry: false).perform_async(self.id)
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      else
        RepositoryImportWorker.perform_async(self.id)
      end
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    log_import_activity(job_id)

    job_id
  end

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  # rubocop:disable Gitlab/RailsLogger
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  def log_import_activity(job_id, type: :import)
    job_type = type.to_s.capitalize

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    if job_id
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      Rails.logger.info("#{job_type} job scheduled for #{full_path} with job ID #{job_id}.")
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    else
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      Rails.logger.error("#{job_type} job failed to create for #{full_path}.")
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    end
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  end
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  # rubocop:enable Gitlab/RailsLogger
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  def reset_cache_and_import_attrs
    run_after_commit do
      ProjectCacheWorker.perform_async(self.id)
    end

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    import_state.update(last_error: nil)
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    remove_import_data
  end

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  # This method is overridden in EE::Project model
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  def remove_import_data
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    import_data&.destroy
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  end

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  def ci_config_path=(value)
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    # Strip all leading slashes so that //foo -> foo
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    super(value&.delete("\0"))