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Contents
# encoding: utf-8
module Mongoid
module Persistable
# Defines behaviour for persistence operations that destroy documents.
#
# @since 4.0.0
module Destroyable
extend ActiveSupport::Concern
# Remove the document from the database with callbacks.
#
# @example Destroy a document.
# document.destroy
#
# @param [ Hash ] options Options to pass to destroy.
#
# @return [ true, false ] True if successful, false if not.
#
# @since 1.0.0
def destroy(options = nil)
raise Errors::ReadonlyDocument.new(self.class) if readonly?
self.flagged_for_destroy = true
result = run_callbacks(:destroy) { delete(options || {}) }
self.flagged_for_destroy = false
result
end
def destroy!(options = {})
destroy || raise(Errors::DocumentNotDestroyed.new(id, self.class))
end
module ClassMethods
# Delete all documents given the supplied conditions. If no conditions
# are passed, the entire collection will be dropped for performance
# benefits. Fires the destroy callbacks if conditions were passed.
#
# @example Destroy matching documents from the collection.
# Person.destroy_all({ :title => "Sir" })
#
# @example Destroy all documents from the collection.
# Person.destroy_all
#
# @param [ Hash ] conditions Optional conditions to destroy by.
#
# @return [ Integer ] The number of documents destroyed.
#
# @since 1.0.0
def destroy_all(conditions = nil)
selector = conditions || {}
documents = where(selector)
destroyed = documents.count
documents.each { |doc| doc.destroy }
destroyed
end
end
end
end
end
Version data entries
46 entries across 41 versions & 3 rubygems