project.rb 44 KB
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require 'carrierwave/orm/activerecord'

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class Project < ActiveRecord::Base
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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 Gitlab::CurrentSettings
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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 ProjectFeaturesCompatibility
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  include SelectForProjectAuthorization
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  include Routable
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  extend Gitlab::ConfigHelper
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  BoardLimitExceeded = Class.new(StandardError)
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  NUMBER_OF_PERMITTED_BOARDS = 1
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  UNKNOWN_IMPORT_URL = 'http://unknown.git'.freeze
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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?, to: :project_feature,
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                                                       allow_nil: true
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  default_value_for :archived, false
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  default_value_for :visibility_level, gitlab_config_features.visibility_level
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  default_value_for :container_registry_enabled, gitlab_config_features.container_registry
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  default_value_for(:repository_storage) { current_application_settings.pick_repository_storage }
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  default_value_for(:shared_runners_enabled) { current_application_settings.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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  after_create :ensure_dir_exist
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  after_create :create_project_feature, unless: :project_feature
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  after_save :ensure_dir_exist, if: :namespace_id_changed?
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  after_save :update_project_statistics, if: :namespace_id_changed?
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  # set last_activity_at to the same as created_at
  after_create :set_last_activity_at
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  def set_last_activity_at
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    update_column(:last_activity_at, self.created_at)
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  end

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  after_create :set_last_repository_updated_at
  def set_last_repository_updated_at
    update_column(:last_repository_updated_at, self.created_at)
  end

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  after_destroy :remove_pages

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  # update visibility_level of forks
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  after_update :update_forks_visibility_level

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  after_validation :check_pending_delete
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  acts_as_taggable
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  attr_accessor :new_default_branch
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  attr_accessor :old_path_with_namespace
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  attr_writer :pipeline_status
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  alias_attribute :title, :name

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  # Relations
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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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  has_one :last_event, -> {order 'events.created_at DESC'}, class_name: 'Event'
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  has_many :boards, before_add: :validate_board_limit, dependent: :destroy
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  # Project services
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  has_one :campfire_service, dependent: :destroy
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  has_one :drone_ci_service, dependent: :destroy
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  has_one :emails_on_push_service, dependent: :destroy
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  has_one :pipelines_email_service, dependent: :destroy
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  has_one :irker_service, dependent: :destroy
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  has_one :pivotaltracker_service, dependent: :destroy
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  has_one :hipchat_service, dependent: :destroy
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  has_one :flowdock_service, dependent: :destroy
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  has_one :assembla_service, dependent: :destroy
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  has_one :asana_service, dependent: :destroy
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  has_one :gemnasium_service, dependent: :destroy
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  has_one :mattermost_slash_commands_service, dependent: :destroy
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  has_one :mattermost_service, dependent: :destroy
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  has_one :slack_slash_commands_service, dependent: :destroy
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  has_one :slack_service, dependent: :destroy
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  has_one :buildkite_service, dependent: :destroy
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  has_one :bamboo_service, dependent: :destroy
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  has_one :teamcity_service, dependent: :destroy
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  has_one :pushover_service, dependent: :destroy
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  has_one :jira_service, dependent: :destroy
  has_one :redmine_service, dependent: :destroy
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  has_one :custom_issue_tracker_service, dependent: :destroy
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  has_one :bugzilla_service, dependent: :destroy
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  has_one :gitlab_issue_tracker_service, dependent: :destroy, inverse_of: :project
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  has_one :external_wiki_service, dependent: :destroy
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  has_one :kubernetes_service, dependent: :destroy, inverse_of: :project
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  has_one :prometheus_service, dependent: :destroy, inverse_of: :project
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  has_one :mock_ci_service, dependent: :destroy
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  has_one :mock_deployment_service, dependent: :destroy
  has_one :mock_monitoring_service, dependent: :destroy
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  has_one :microsoft_teams_service, dependent: :destroy
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  has_one  :forked_project_link,  dependent: :destroy, foreign_key: "forked_to_project_id"
  has_one  :forked_from_project,  through:   :forked_project_link

  has_many :forked_project_links, foreign_key: "forked_from_project_id"
  has_many :forks,                through:     :forked_project_links, source: :forked_to_project
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  # Merge Requests for target project should be removed with it
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  has_many :merge_requests,     dependent: :destroy, foreign_key: 'target_project_id'
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  has_many :issues,             dependent: :destroy
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  has_many :labels,             dependent: :destroy, class_name: 'ProjectLabel'
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  has_many :services,           dependent: :destroy
  has_many :events,             dependent: :destroy
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  has_many :milestones,         dependent: :destroy
  has_many :notes,              dependent: :destroy
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  has_many :snippets,           dependent: :destroy, class_name: 'ProjectSnippet'
  has_many :hooks,              dependent: :destroy, class_name: 'ProjectHook'
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  has_many :protected_branches, dependent: :destroy
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  has_many :protected_tags,     dependent: :destroy
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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) }, dependent: :destroy, as: :source
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  alias_method :members, :project_members
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  has_many :users, through: :project_members

  has_many :requesters, -> { where.not(requested_at: nil) }, dependent: :destroy, as: :source, class_name: 'ProjectMember'

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  has_many :deploy_keys_projects, dependent: :destroy
  has_many :deploy_keys, through: :deploy_keys_projects
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  has_many :users_star_projects, dependent: :destroy
  has_many :starrers, through: :users_star_projects, source: :user
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  has_many :releases, dependent: :destroy
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  has_many :lfs_objects_projects, dependent: :destroy
  has_many :lfs_objects, through: :lfs_objects_projects
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  has_many :project_group_links, dependent: :destroy
  has_many :invited_groups, through: :project_group_links, source: :group
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  has_many :pages_domains, dependent: :destroy
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  has_many :todos, dependent: :destroy
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  has_many :notification_settings, dependent: :destroy, as: :source
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  has_one :import_data, dependent: :delete, class_name: 'ProjectImportData'
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  has_one :project_feature, dependent: :destroy
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  has_one :statistics, class_name: 'ProjectStatistics', dependent: :delete
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  has_many :container_repositories, dependent: :destroy
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  has_many :commit_statuses, dependent: :destroy
  has_many :pipelines, dependent: :destroy, class_name: 'Ci::Pipeline'
  has_many :builds, class_name: 'Ci::Build' # the builds are created from the commit_statuses
  has_many :runner_projects, dependent: :destroy, class_name: 'Ci::RunnerProject'
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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, dependent: :destroy, class_name: 'Ci::Trigger'
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  has_many :environments, dependent: :destroy
  has_many :deployments, dependent: :destroy
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  has_many :pipeline_schedules, dependent: :destroy, class_name: 'Ci::PipelineSchedule'
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  has_many :active_runners, -> { active }, through: :runner_projects, source: :runner, class_name: 'Ci::Runner'
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  accepts_nested_attributes_for :variables, allow_destroy: true
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  accepts_nested_attributes_for :project_feature
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  delegate :name, to: :owner, allow_nil: true, prefix: true
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  delegate :count, to: :forks, 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_master, to: :team
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  delegate :empty_repo?, to: :repository
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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_file,
    format: { without: Gitlab::Regex.directory_traversal_regex,
              message: Gitlab::Regex.directory_traversal_regex_message },
    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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    dynamic_path: true,
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    length: { maximum: 255 },
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    format: { with: Gitlab::PathRegex.project_path_format_regex,
              message: Gitlab::PathRegex.project_path_format_message },
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    uniqueness: { scope: :namespace_id }

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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, addressable_url: true, if: :external_import?
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  validates :import_url, importable_url: 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_limit, on: :create
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  validate :avatar_type,
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    if: ->(project) { project.avatar.present? && project.avatar_changed? }
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  validates :avatar, file_size: { maximum: 200.kilobytes.to_i }
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  validate :visibility_level_allowed_by_group
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  validate :visibility_level_allowed_as_fork
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  validate :check_wiki_path_conflict
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  validates :repository_storage,
    presence: true,
    inclusion: { in: ->(_object) { Gitlab.config.repositories.storages.keys } }
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  add_authentication_token_field :runners_token
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  before_save :ensure_runners_token
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  before_validation :clean_ci_config_file
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  mount_uploader :avatar, AvatarUploader
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  has_many :uploads, as: :model, dependent: :destroy
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  # Scopes
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  default_scope { where(pending_delete: false) }

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  scope :with_deleted, -> { unscope(where: :pending_delete) }

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  scope :sorted_by_activity, -> { reorder(last_activity_at: :desc) }
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  scope :sorted_by_stars, -> { reorder('projects.star_count DESC') }

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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 :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) {
    access_level_attribute = ProjectFeature.access_level_attribute(feature)
    with_project_feature.where(project_features: { access_level_attribute => [nil, ProjectFeature::PRIVATE, ProjectFeature::ENABLED] })
  }

  # 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 })
  }

  scope :with_builds_enabled, -> { with_feature_enabled(:builds) }
  scope :with_issues_enabled, -> { with_feature_enabled(:issues) }
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  scope :with_merge_requests_enabled, -> { with_feature_enabled(:merge_requests) }
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  enum auto_cancel_pending_pipelines: { disabled: 0, enabled: 1 }
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  # Returns a collection of projects that is either public or visible to the
  # logged in user.
  def self.public_or_visible_to_user(user = nil)
    if user
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      authorized = user
        .project_authorizations
        .select(1)
        .where('project_authorizations.project_id = projects.id')
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      levels = Gitlab::VisibilityLevel.levels_for_user(user)

      where('EXISTS (?) OR projects.visibility_level IN (?)', authorized, levels)
    else
      public_to_user
    end
  end

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  # project features may be "disabled", "internal" or "enabled". If "internal",
  # they are only available to team members. This scope returns projects where
  # the feature is either enabled, or internal with permission for the user.
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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 = [nil, ProjectFeature::ENABLED]

    if user&.admin?
      with_feature_enabled(feature)
    elsif user
      column = ProjectFeature.quoted_access_level_column(feature)

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      authorized = user.project_authorizations.select(1)
        .where('project_authorizations.project_id = projects.id')
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      with_project_feature
        .where("#{column} IN (?) OR (#{column} = ? AND EXISTS (?))",
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              visible,
              ProjectFeature::PRIVATE,
              authorized)
    else
      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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  state_machine :import_status, initial: :none do
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    event :import_schedule do
      transition [:none, :finished, :failed] => :scheduled
    end

    event :force_import_start do
      transition [:none, :finished, :failed] => :started
    end

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    event :import_start do
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      transition scheduled: :started
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    end

    event :import_finish do
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      transition started: :finished
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    end

    event :import_fail do
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      transition [:scheduled, :started] => :failed
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    end

    event :import_retry do
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      transition failed: :started
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    end

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    state :scheduled
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    state :started
    state :finished
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    state :failed

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    after_transition [:none, :finished, :failed] => :scheduled do |project, _|
      project.run_after_commit { add_import_job }
    end

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    after_transition started: :finished do |project, _|
      project.reset_cache_and_import_attrs
      project.perform_housekeeping
    end
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  end

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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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      ptable  = arel_table
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      ntable  = Namespace.arel_table
      pattern = "%#{query}%"

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      # unscoping unnecessary conditions that'll be applied
      # when executing `where("projects.id IN (#{union.to_sql})")`
      projects = unscoped.select(:id).where(
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        ptable[:path].matches(pattern)
          .or(ptable[:name].matches(pattern))
          .or(ptable[:description].matches(pattern))
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      )

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      namespaces = unscoped.select(:id)
        .joins(:namespace)
        .where(ntable[:name].matches(pattern))
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      union = Gitlab::SQL::Union.new([projects, namespaces])

      where("projects.id IN (#{union.to_sql})")
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    end
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    def search_by_title(query)
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      pattern = "%#{query}%"
      table   = Project.arel_table

      non_archived.where(table[:name].matches(pattern))
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    end

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    def visibility_levels
      Gitlab::VisibilityLevel.options
    end
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    def sort(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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      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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        ((?<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 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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  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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  def repository_storage_path
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    Gitlab.config.repositories.storages[repository_storage]['path']
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  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(path_with_namespace, self)
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  end

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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}/#{path_with_namespace.downcase}"
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    end
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  end

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  def has_container_registry_tags?
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    container_repositories.to_a.any?(&:has_tags?) ||
      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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  # ref can't be HEAD, can only be branch/tag name or SHA
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  def latest_successful_builds_for(ref = default_branch)
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    latest_pipeline = pipelines.latest_successful_for(ref)
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    if latest_pipeline
      latest_pipeline.builds.latest.with_artifacts
    else
      builds.none
    end
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  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)
    repository.commit(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 add_import_job
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    job_id =
      if forked?
        RepositoryForkWorker.perform_async(id, forked_from_project.repository_storage_path,
          forked_from_project.path_with_namespace,
          self.namespace.full_path)
      else
        RepositoryImportWorker.perform_async(self.id)
      end
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    if job_id
      Rails.logger.info "Import job started for #{path_with_namespace} with job ID #{job_id}"
    else
      Rails.logger.error "Import job failed to start for #{path_with_namespace}"
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    end
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  end

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  def reset_cache_and_import_attrs
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    run_after_commit do
      ProjectCacheWorker.perform_async(self.id)
    end

    remove_import_data
  end

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  def perform_housekeeping
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    return unless repo_exists?

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    run_after_commit do
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      begin
        Projects::HousekeepingService.new(self).execute
      rescue Projects::HousekeepingService::LeaseTaken => e
        Rails.logger.info("Could not perform housekeeping for project #{self.path_with_namespace} (#{self.id}): #{e}")
      end
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    end
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  end
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  def remove_import_data
    import_data&.destroy
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  end

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  def import_url=(value)
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    return super(value) unless Gitlab::UrlSanitizer.valid?(value)

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    import_url = Gitlab::UrlSanitizer.new(value)
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    super(import_url.sanitized_url)
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    create_or_update_import_data(credentials: import_url.credentials)
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  end

  def import_url
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    if import_data && super.present?
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      import_url = Gitlab::UrlSanitizer.new(super, credentials: import_data.credentials)
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      import_url.full_url
    else
      super
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    end
  end
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  def valid_import_url?
    valid? || errors.messages[:import_url].nil?
  end

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  def create_or_update_import_data(data: nil, credentials: nil)
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    return unless import_url.present? && valid_import_url?
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    project_import_data = import_data || build_import_data
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    if data
      project_import_data.data ||= {}
      project_import_data.data = project_import_data.data.merge(data)
    end
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    if credentials
      project_import_data.credentials ||= {}
      project_import_data.credentials = project_import_data.credentials.merge(credentials)
    end
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    project_import_data.save
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  end
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  def import?
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    external_import? || forked? || gitlab_project_import?
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  end

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  def no_import?
    import_status == 'none'
  end

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  def external_import?
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    import_url.present?
  end

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  def imported?
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    import_finished?
  end

  def import_in_progress?
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    import_started? || import_scheduled?
  end

  def import_started?
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    import? && import_status == 'started'
  end

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  def import_scheduled?
    import_status == 'scheduled'
  end

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  def import_failed?
    import_status == 'failed'
  end

  def import_finished?
    import_status == 'finished'
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  end

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  def safe_import_url
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    Gitlab::UrlSanitizer.new(import_url).masked_url
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  end

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  def gitlab_project_import?
    import_type == 'gitlab_project'
  end

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  def gitea_import?
    import_type == 'gitea'
  end

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  def github_import?
    import_type == 'github'
  end

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  def check_limit
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    unless creator.can_create_project? || namespace.kind == 'group'
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      projects_limit = creator.projects_limit

      if projects_limit == 0
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        self.errors.add(:limit_reached, "Personal project creation is not allowed. Please contact your administrator with questions")
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      else
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        self.errors.add(:limit_reached, "Your project limit is #{projects_limit} projects! Please contact your administrator to increase it")
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      end
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    end
  rescue
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    self.errors.add(:base, "Can't check your ability to create project")
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  end

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  def visibility_level_allowed_by_group
    return if visibility_level_allowed_by_group?

    level_name = Gitlab::VisibilityLevel.level_name(self.visibility_level).downcase
    group_level_name = Gitlab::VisibilityLevel.level_name(self.group.visibility_level).downcase
    self.errors.add(:visibility_level, "#{level_name} is not allowed in a #{group_level_name} group.")
  end

  def visibility_level_allowed_as_fork
    return if visibility_level_allowed_as_fork?

    level_name = Gitlab::VisibilityLevel.level_name(self.visibility_level).downcase
    self.errors.add(:visibility_level, "#{level_name} is not allowed since the fork source project has lower visibility.")
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  end

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  def check_wiki_path_conflict
    return if path.blank?

    path_to_check = path.ends_with?('.wiki') ? path.chomp('.wiki') : "#{path}.wiki"

    if Project.where(namespace_id: namespace_id, path: path_to_check).exists?
      errors.add(:name, 'has already been taken')
    end
  end

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  def to_param
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    if persisted? && errors.include?(:path)
      path_was
    else
      path
    end
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  end

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  # `from` argument can be a Namespace or Project.
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  def to_reference(from = nil, full: false)
    if full || cross_namespace_reference?(from)
      path_with_namespace
    elsif cross_project_reference?(from)
      path
    end
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  end

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  def to_human_reference(from_project = nil)
    if cross_namespace_reference?(from_project)
      name_with_namespace
    elsif cross_project_reference?(from_project)
      name
    end
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  end

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  def web_url
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    Gitlab::Routing.url_helpers.namespace_project_url(self.namespace, self)
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  end

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  def new_issue_address(author)
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    return unless Gitlab::IncomingEmail.supports_issue_creation? && author
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    author.ensure_incoming_email_token!

    Gitlab::IncomingEmail.reply_address(
      "#{path_with_namespace}+#{author.incoming_email_token}")
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  end

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  def build_commit_note(commit)
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    notes.new(commit_id: commit.id, noteable_type: 'Commit')
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  end
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  def last_activity
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    last_event
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  end

  def last_activity_date
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    last_repository_updated_at || last_activity_at || updated_at
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  end
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  def project_id
    self.id
  end
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  def get_issue(issue_id, current_user)
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    if default_issues_tracker?
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      IssuesFinder.new(current_user, project_id: id).find_by(iid: issue_id)
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    else
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      ExternalIssue.new(issue_id, self)
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    end
  end

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  def issue_exists?(issue_id)
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    get_issue(issue_id)
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  end

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  def default_issue_tracker
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    gitlab_issue_tracker_service || create_gitlab_issue_tracker_service
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  end

  def issues_tracker
    if external_issue_tracker
      external_issue_tracker
    else
      default_issue_tracker
    end
  end

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  def issue_reference_pattern
    issues_tracker.reference_pattern
  end

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  def default_issues_tracker?
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    !external_issue_tracker
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  end

  def external_issue_tracker
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    if has_external_issue_tracker.nil? # To populate existing projects
      cache_has_external_issue_tracker
    end

    if has_external_issue_tracker?
      return @external_issue_tracker if defined?(@external_issue_tracker)

      @external_issue_tracker = services.external_issue_trackers.first
    else
      nil
    end
  end

  def cache_has_external_issue_tracker
    update_column(:has_external_issue_tracker, services.external_issue_trackers.any?)
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  end

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  def has_wiki?
    wiki_enabled? || has_external_wiki?
  end

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  def external_wiki
    if has_external_wiki.nil?
      cache_has_external_wiki # Populate
    end

    if has_external_wiki
      @external_wiki ||= services.external_wikis.first
    else
      nil
    end
  end

  def cache_has_external_wiki
    update_column(:has_external_wiki, services.external_wikis.any?)
  end

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  def find_or_initialize_services
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    services_templates = Service.where(template: true)

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    Service.available_services_names.map do |service_name|
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      service = find_service(services, service_name)
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      if service
        service
      else
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        # We should check if template for the service exists
        template = find_service(services_templates, service_name)

        if template.nil?
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          # If no template, we should create an instance. Ex `build_gitlab_ci_service`
          public_send("build_#{service_name}_service")
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        else
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          Service.build_from_template(id, template)
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        end
      end
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    end
  end

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  def find_or_initialize_service(name)
    find_or_initialize_services.find { |service| service.to_param == name }
  end

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  def create_labels
    Label.templates.each do |label|
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      params = label.attributes.except('id', 'template', 'created_at', 'updated_at')
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      Labels::FindOrCreateService.new(nil, self, params).execute(skip_authorization: true)
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    end
  end

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  def find_service(list, name)
    list.find { |service| service.to_param == name }
  end
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  def ci_services
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    services.where(category: :ci)
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  end

  def ci_service
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    @ci_service ||= ci_services.reorder(nil).find_by(active: true)
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  end

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  def deployment_services
    services.where(category: :deployment)
  end

  def deployment_service
    @deployment_service ||= deployment_services.reorder(nil).find_by(active: true)
  end

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  def monitoring_services
    services.where(category: :monitoring)
  end

  def monitoring_service
    @monitoring_service ||= monitoring_services.reorder(nil).find_by(active: true)
  end

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  def jira_tracker?
    issues_tracker.to_param == 'jira'
  end

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  def avatar_type
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    unless self.avatar.image?
      self.errors.add :avatar, 'only images allowed'
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    end
  end

  def avatar_in_git
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    repository.avatar
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  end

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  def avatar_url(**args)
    # We use avatar_path instead of overriding avatar_url because of carrierwave.
    # See https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11001/diffs#note_28659864
    avatar_path(args) || (Gitlab::Routing.url_helpers.namespace_project_avatar_url(namespace, self) if avatar_in_git)
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  end

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  # For compatibility with old code
  def code
    path
  end

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  def items_for(entity)
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    case entity
    when 'issue' then
      issues
    when 'merge_request' then
      merge_requests
    end
  end
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  def send_move_instructions(old_path_with_namespace)
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    # New project path needs to be committed to the DB or notification will
    # retrieve stale information
    run_after_commit { NotificationService.new.project_was_moved(self, old_path_with_namespace) }
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  end
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  def owner
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    if group
      group
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    else
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      namespace.try(:owner)
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    end
  end
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  def execute_hooks(data, hooks_scope = :push_hooks)<