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version.rb
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version.rb
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class Version < ActiveRecord::Base
belongs_to :rubygem
has_many :dependencies, :order => 'rubygems.name ASC', :include => :rubygem, :dependent => :destroy
before_save :update_prerelease
after_validation :join_authors
after_create :full_nameify!
after_save :reorder_versions
validates :number, :format => {:with => /\A#{Gem::Version::VERSION_PATTERN}\z/}
validates :platform, :format => {:with => Rubygem::NAME_PATTERN}
validate :platform_and_number_are_unique, :on => :create
validate :authors_format, :on => :create
def self.owned_by(user)
where(:rubygem_id => user.rubygem_ids)
end
def self.subscribed_to_by(user)
where(:rubygem_id => user.subscribed_gem_ids).
by_created_at
end
def self.with_deps
includes(:dependencies)
end
def self.latest
where(:latest => true)
end
def self.prerelease
where(:prerelease => true)
end
def self.release
where(:prerelease => false)
end
def self.indexed
where(:indexed => true)
end
def self.yanked
where(:indexed => false)
end
def self.by_position
order('position')
end
def self.by_built_at
order("versions.built_at desc")
end
def self.by_earliest_built_at
order("versions.built_at asc")
end
def self.by_created_at
order('versions.created_at desc')
end
def self.rows_for_index
to_rows(:release)
end
def self.rows_for_latest_index
to_rows(:latest)
end
def self.rows_for_prerelease_index
to_rows(:prerelease)
end
def self.most_recent
latest.find_by_platform('ruby') || latest.order("number DESC").first || first
end
def self.just_updated(limit=5)
where("versions.rubygem_id IN (SELECT versions.rubygem_id FROM versions GROUP BY versions.rubygem_id HAVING COUNT(versions.id) > 1)").
joins(:rubygem).
indexed.
by_created_at.
limit(limit)
end
def self.published(limit)
where("built_at <= ?", DateTime.now.utc).
indexed.
by_built_at.
limit(limit)
end
def self.find_from_slug!(rubygem_id, slug)
rubygem = Rubygem.find(rubygem_id)
find_by_full_name!("#{rubygem.name}-#{slug}")
end
def self.rubygem_name_for(full_name)
$redis.hget(info_key(full_name), :name)
end
def self.info_key(full_name)
"v:#{full_name}"
end
def platformed?
platform != "ruby"
end
def reorder_versions
rubygem.reorder_versions
end
def yank!
update_attributes!(:indexed => false)
$redis.lrem(Rubygem.versions_key(rubygem.name), 1, full_name)
end
def unyank!
update_attributes!(:indexed => true)
push
end
def push
$redis.lpush(Rubygem.versions_key(rubygem.name), full_name)
end
def yanked?
!indexed
end
def info
[ description, summary, "This rubygem does not have a description or summary." ].detect(&:present?)
end
def update_attributes_from_gem_specification!(spec)
update_attributes!(
:authors => spec.authors,
:description => spec.description,
:summary => spec.summary,
:built_at => spec.date,
:indexed => true
)
end
def platform_as_number
if platformed?
0
else
1
end
end
def <=>(other)
self_version = self.to_gem_version
other_version = other.to_gem_version
if self_version == other_version
self.platform_as_number <=> other.platform_as_number
else
self_version <=> other_version
end
end
def slug
full_name.gsub(/^#{rubygem.name}-/, '')
end
def downloads_count
Download.for(self)
end
def payload
{
'authors' => authors,
'built_at' => built_at,
'description' => description,
'downloads_count' => downloads_count,
'number' => number,
'summary' => summary,
'platform' => platform,
'prerelease' => prerelease,
}
end
def as_json(options={})
payload
end
def to_xml(options={})
payload.to_xml(options.merge(:root => 'version'))
end
def to_s
number
end
def to_title
if platformed?
"#{rubygem.name} (#{number}-#{platform})"
else
"#{rubygem.name} (#{number})"
end
end
def to_bundler
%{gem "#{rubygem.name}", "~> #{number}"}
end
def to_gem_version
Gem::Version.new(number)
end
def to_index
[rubygem.name, to_gem_version, platform]
end
def to_install
command = "gem install #{rubygem.name}"
latest = prerelease ? rubygem.versions.by_position.prerelease.first : rubygem.versions.most_recent
command << " -v #{number}" if latest != self
command << " --pre" if prerelease
command
end
private
def self.to_rows(scope)
sql = select("rubygems.name, number, platform").
indexed.send(scope).
from("rubygems, versions").
where("rubygems.id = versions.rubygem_id").
order("rubygems.name asc, position desc").to_sql
connection.select_rows(sql)
end
def platform_and_number_are_unique
if Version.exists?(:rubygem_id => rubygem_id,
:number => number,
:platform => platform)
errors[:base] << "A version already exists with this number or platform."
end
end
def authors_format
string_authors = authors.is_a?(Array) && authors.grep(String)
if string_authors.blank? || string_authors.size != authors.size
errors.add :authors, "must be an Array of Strings"
end
end
def update_prerelease
self[:prerelease] = !!to_gem_version.prerelease?
true
end
def join_authors
self.authors = self.authors.join(', ') if self.authors.is_a?(Array)
end
def full_nameify!
self.full_name = "#{rubygem.name}-#{number}"
self.full_name << "-#{platform}" if platformed?
Version.update_all({:full_name => full_name}, {:id => id})
$redis.hmset(Version.info_key(full_name),
:name, rubygem.name,
:number, number,
:platform, platform)
push
end
end