80 lines
2.5 KiB
Ruby
80 lines
2.5 KiB
Ruby
class Package < ActiveRecord::Base
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# PostgreSQL-based full-text search:
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# https://github.com/Casecommons/pg_search
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include PgSearch
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# TODO: Make search weighted on users' rating
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pg_search_scope :general_search,
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:against => [:name, :description, :long_description],
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:using => {
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:tsearch => {:dictionary => "english"}
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}
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# I am using "destroy_all" here so that when a package gets destroys the
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# callbacks for all dependent screenshots are executed - thus removing the
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# screenshot files from disk.
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has_many :screenshots, :inverse_of=>:package, :dependent => :destroy
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default_scope {
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order('name ASC')
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}
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# Return a query of all packages that have screenshots
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def self.with_screenshots
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# Query for all packages who's ID appears in a screenshot's "package_id" field
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subselect = Screenshot.select(:package_id)
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where(id: subselect )
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end
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# Return a query of all packages that have screenshots
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def self.without_screenshots
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# Query for all packages who's ID does not appear in a screenshot's "package_id" field
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subselect = Screenshot.select(:package_id)
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where.not(id: subselect)
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end
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# Return a query of all approved/public screenshots of this package
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def screenshots_approved
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self.screenshots.find_by(approved: true)
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end
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# Return a query of all approved/public screenshots of this package
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def screenshots_pending
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self.screenshots.where('approved=false or markedfordelete=true')
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end
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# Return a list of packages that have unapproved screenshots
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def self.requiring_moderation
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self.joins(:screenshots).where(screenshots: {approved:false}).distinct(:name)
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end
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# Get all screenshots and have them sorted descendingly by their version number (Debian style).
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def screenshots_sorted_by_version
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self.screenshots.to_a.sort { |x,y| version_compare(x.version,y.version) }
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end
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# Return the newest screenshot that is not newer than the given version.
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def best_screenshot_for_version(version)
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sorted_screenshots = self.screenshots_sorted_by_version
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sorted_screenshots.each do |ss|
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logger.debug { "Comparing version #{version} against #{ss.version}" }
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return ss if version_compare(version, ss.version)<=0
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end
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return sorted_screenshots.last
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end
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private
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def version_compare(x,y)
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x ||= '0'
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y ||= '0'
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version_x = DebImporter::Version.new(x)
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version_y = DebImporter::Version.new(y)
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if version_x<version_y
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1
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elsif version_x>version_y
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-1
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else
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0
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end
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end
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end
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