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rubygem.rb
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rubygem.rb
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class Rubygem < ApplicationRecord
include Patterns
include RubygemSearchable
has_many :ownerships, -> { confirmed }, dependent: :destroy, inverse_of: :rubygem
has_many :ownerships_including_unconfirmed, dependent: :destroy, class_name: "Ownership"
has_many :owners, through: :ownerships, source: :user
has_many :owners_including_unconfirmed, through: :ownerships_including_unconfirmed, source: :user
has_many :push_notifiable_owners, ->(gem) { gem.owners.push_notifiable_owners }, through: :ownerships, source: :user
has_many :ownership_notifiable_owners, ->(gem) { gem.owners.ownership_notifiable_owners }, through: :ownerships, source: :user
has_many :subscriptions, dependent: :destroy
has_many :subscribers, through: :subscriptions, source: :user
has_many :versions, dependent: :destroy, validate: false
has_one :latest_version, -> { where(latest: true).order(:position) }, class_name: "Version", inverse_of: :rubygem
has_many :web_hooks, dependent: :destroy
has_one :linkset, dependent: :destroy
has_one :gem_download, -> { where(version_id: 0) }, inverse_of: :rubygem
validate :ensure_name_format, if: :needs_name_validation?
validates :name,
length: { maximum: Gemcutter::MAX_FIELD_LENGTH },
presence: true,
uniqueness: { case_sensitive: false },
if: :needs_name_validation?
validate :blacklist_names_exclusion
validate :protected_gem_typo, on: :create, unless: -> { Array(validation_context).include?(:typo_exception) }
after_create :update_unresolved
before_destroy :mark_unresolved
# TODO: Remove this once we move to GemDownload only
after_create :create_gem_download
def create_gem_download
GemDownload.create!(count: 0, rubygem_id: id, version_id: 0)
end
def self.with_versions
where(indexed: true)
end
def self.with_one_version
select("rubygems.*")
.joins(:versions)
.group(column_names.map { |name| "rubygems.#{name}" }.join(", "))
.having("COUNT(versions.id) = 1")
end
def self.name_is(name)
sensitive = where(name: name.strip).limit(1)
return sensitive unless sensitive.empty?
where("UPPER(name) = UPPER(?)", name.strip).limit(1)
end
def self.name_starts_with(letter)
where("UPPER(name) LIKE UPPER(?)", "#{letter}%")
end
def self.total_count
Rubygem.with_versions.count
end
def self.latest(limit = 5)
with_one_version.order(created_at: :desc).limit(limit)
end
def self.downloaded(limit = 5)
with_versions.by_downloads.limit(limit)
end
def self.letter(letter)
name_starts_with(letter).by_name.with_versions
end
def self.letterize(letter)
/\A[A-Za-z]\z/.match?(letter) ? letter.upcase : "A"
end
def self.by_name
order(name: :asc)
end
def self.by_downloads
joins(:gem_download).order("gem_downloads.count DESC")
end
def self.current_rubygems_release
rubygem = find_by(name: "rubygems-update")
rubygem && rubygem.versions.release.indexed.latest.first
end
def self.news(days)
joins(:latest_version)
.where("versions.created_at BETWEEN ? AND ?", days.ago.in_time_zone, Time.zone.now)
.group(:id)
.order("MAX(versions.created_at) DESC")
end
def self.popular(days)
joins(:gem_download).order("MAX(gem_downloads.count) DESC").news(days)
end
def all_errors(version = nil)
[self, linkset, version].compact.map do |ar|
ar.errors.full_messages
end.flatten.join(", ")
end
def public_versions(limit = nil)
versions.includes(:gem_download).by_position.published(limit)
end
def public_versions_with_extra_version(extra_version)
versions = public_versions(5).to_a
versions << extra_version
versions.uniq.sort_by(&:position)
end
def public_version_payload(number, platform = nil)
version =
if platform
public_versions.find_by(number: number, platform: platform)
else
public_versions.find_by(number: number)
end
payload(version).merge!(version.as_json) if version
end
def hosted?
versions.count.nonzero?
end
def unowned?
ownerships.blank?
end
def indexed_versions?
versions.indexed.count > 0
end
def owned_by?(user)
return false unless user
ownerships.exists?(user_id: user.id)
end
def unconfirmed_ownerships
ownerships_including_unconfirmed.unconfirmed
end
def unconfirmed_ownership?(user)
unconfirmed_ownerships.where(user: user).exists?
end
def to_s
versions.most_recent&.to_title || name
end
def downloads
gem_download&.count || 0
end
def links(version = versions.most_recent)
Links.new(self, version)
end
def payload(version = versions.most_recent, protocol = Gemcutter::PROTOCOL, host_with_port = Gemcutter::HOST)
versioned_links = links(version)
deps = version.dependencies.to_a
{
"name" => name,
"downloads" => downloads,
"version" => version.number,
"version_downloads" => version.downloads_count,
"platform" => version.platform,
"authors" => version.authors,
"info" => version.info,
"licenses" => version.licenses,
"metadata" => version.metadata,
"yanked" => version.yanked?,
"sha" => version.sha256_hex,
"project_uri" => "#{protocol}://#{host_with_port}/gems/#{name}",
"gem_uri" => "#{protocol}://#{host_with_port}/gems/#{version.full_name}.gem",
"homepage_uri" => versioned_links.homepage_uri,
"wiki_uri" => versioned_links.wiki_uri,
"documentation_uri" => versioned_links.documentation_uri,
"mailing_list_uri" => versioned_links.mailing_list_uri,
"source_code_uri" => versioned_links.source_code_uri,
"bug_tracker_uri" => versioned_links.bug_tracker_uri,
"changelog_uri" => versioned_links.changelog_uri,
"funding_uri" => versioned_links.funding_uri,
"dependencies" => {
"development" => deps.select { |r| r.rubygem && r.scope == "development" },
"runtime" => deps.select { |r| r.rubygem && r.scope == "runtime" }
}
}
end
def as_json(*)
payload
end
def to_xml(options = {})
payload.to_xml(options.merge(root: "rubygem"))
end
def to_param
name.remove(/[^#{Patterns::ALLOWED_CHARACTERS}]/)
end
def pushable?
new_record? || (versions.indexed.none? && not_protected?)
end
def create_ownership(user)
Ownership.create_confirmed(self, user) if unowned?
end
def update_versions!(version, spec)
version.update_attributes_from_gem_specification!(spec)
end
def update_dependencies!(version, spec)
spec.dependencies.each do |dependency|
version.dependencies.create!(gem_dependency: dependency)
end
rescue ActiveRecord::RecordInvalid => e
# ActiveRecord can't chain a nested error here, so we have to add and reraise
errors[:base] << e.message
raise e
end
def update_linkset!(spec)
self.linkset ||= Linkset.new
self.linkset.update_attributes_from_gem_specification!(spec)
self.linkset.save!
end
def update_attributes_from_gem_specification!(version, spec)
Rubygem.transaction do
save!
update_versions! version, spec
update_dependencies! version, spec
update_linkset! spec if version.reload.latest?
end
end
delegate :count, to: :versions, prefix: true
def yanked_versions?
versions.yanked.exists?
end
def reorder_versions
bulk_reorder_versions
versions_of_platforms = versions
.release
.indexed
.group_by(&:platform)
versions_of_platforms.each_value do |platforms|
Version.find(platforms.max.id).update_column(:latest, true)
end
end
def refresh_indexed!
update!(indexed: versions.indexed.any?)
end
def disown
ownerships_including_unconfirmed.each(&:delete)
ownerships_including_unconfirmed.clear
end
def find_version_from_spec(spec)
versions.find_by_number_and_platform(spec.version.to_s, spec.original_platform.to_s)
end
def find_or_initialize_version_from_spec(spec)
version = versions.find_or_initialize_by(number: spec.version.to_s,
platform: spec.original_platform.to_s)
version.rubygem = self
version
end
# returns days left before the reserved namespace will be released
# 100 + 1 days are added so that last_protected_day / 1.day = 1
def protected_days
(updated_at + 101.days - Time.zone.now).to_i / 1.day
end
def reverse_dependencies
self.class.joins("inner join versions as v on v.rubygem_id = rubygems.id
inner join dependencies as d on d.version_id = v.id").where("v.indexed = 't'
and v.position = 0 and d.rubygem_id = ?", id)
end
def reverse_development_dependencies
reverse_dependencies.where("d.scope = 'development'")
end
def reverse_runtime_dependencies
reverse_dependencies.where("d.scope ='runtime'")
end
private
# a gem namespace is not protected if it is
# updated(yanked) in more than 100 days or it is created in last 30 days
def not_protected?
updated_at < 100.days.ago || created_at > 30.days.ago
end
def ensure_name_format
if name.class != String
errors.add :name, "must be a String"
elsif !/[a-zA-Z]+/.match?(name)
errors.add :name, "must include at least one letter"
elsif !NAME_PATTERN.match?(name)
errors.add :name, "can only include letters, numbers, dashes, and underscores"
elsif /\A[#{Regexp.escape(Patterns::SPECIAL_CHARACTERS)}]+/.match?(name)
errors.add :name, "can not begin with a period, dash, or underscore"
end
end
def needs_name_validation?
new_record? || name_changed?
end
def blacklist_names_exclusion
return unless GEM_NAME_BLACKLIST.include? name.downcase
errors.add :name, "'#{name}' is a reserved gem name."
end
def protected_gem_typo
gem_typo = GemTypo.new(name)
return unless gem_typo.protected_typo?
errors.add :name, "'#{name}' is too similar to an existing gem named '#{gem_typo.protected_gem}'"
end
def update_unresolved
Dependency.where(unresolved_name: name).find_each do |dependency|
dependency.update_resolved(self)
end
end
def mark_unresolved
Dependency.mark_unresolved_for(self)
end
def bulk_reorder_versions
numbers = reload.versions.sort.reverse.map(&:number).uniq
ids = []
positions = []
versions.each do |version|
ids << version.id
positions << numbers.index(version.number)
end
update_query = ["update versions set position = positions_data.position, latest = false
from (select unnest(array[?]) as id, unnest(array[?]) as position) as positions_data
where versions.id = positions_data.id", ids, positions]
sanitized_query = ActiveRecord::Base.send(:sanitize_sql_array, update_query)
ActiveRecord::Base.connection.execute(sanitized_query)
end
end