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Contents
module MongoModel
class Scope
module FinderMethods
def find(*ids, &block)
if block_given?
to_a.find(&block)
else
ids.flatten!
case ids.size
when 0
raise ArgumentError, "At least one id must be specified"
when 1
id = ids.first
where(:id => id).first || raise(DocumentNotFound, "Couldn't find document with id: #{id}")
else
ids = ids.map { |id| Reference.cast(id) }
docs = where(:id.in => ids).to_a
raise DocumentNotFound if docs.size != ids.size
docs.sort_by { |doc| ids.index(doc.id) }
end
end
end
def first(count=nil)
if loaded?
count ? to_a.first(count) : to_a.first
else
count ? limit(count).to_a : limit(1).to_a[0]
end
end
def last(count=nil)
if loaded?
count ? to_a.last(count) : to_a.last
else
count ? reverse_order.limit(count).to_a : reverse_order.limit(1).to_a[0]
end
end
def all
to_a
end
def exists?(id)
where(:id => id).any?
end
def apply_finder_options(options={})
result = clone
result = result.where(options[:conditions]) if options[:conditions]
result = result.order(options[:order]) if options[:order]
result = result.select(options[:select]) if options[:select]
result = result.limit(options[:limit]) if options[:limit]
result = result.offset(options[:offset]) if options[:offset]
result
end
end
end
end
Version data entries
23 entries across 23 versions & 1 rubygems