82 lines
No EOL
2.4 KiB
Ruby
82 lines
No EOL
2.4 KiB
Ruby
module CouchRest
|
|
module Mixins
|
|
module DocumentQueries
|
|
|
|
def self.included(base)
|
|
base.extend(ClassMethods)
|
|
end
|
|
|
|
module ClassMethods
|
|
|
|
# Load all documents that have the "couchrest-type" field equal to the
|
|
# name of the current class. Take the standard set of
|
|
# CouchRest::Database#view options.
|
|
def all(opts = {}, &block)
|
|
view(:all, opts, &block)
|
|
end
|
|
|
|
# Returns the number of documents that have the "couchrest-type" field
|
|
# equal to the name of the current class. Takes the standard set of
|
|
# CouchRest::Database#view options
|
|
def count(opts = {}, &block)
|
|
all({:raw => true, :limit => 0}.merge(opts), &block)['total_rows']
|
|
end
|
|
|
|
# Load the first document that have the "couchrest-type" field equal to
|
|
# the name of the current class.
|
|
#
|
|
# ==== Returns
|
|
# Object:: The first object instance available
|
|
# or
|
|
# Nil:: if no instances available
|
|
#
|
|
# ==== Parameters
|
|
# opts<Hash>::
|
|
# View options, see <tt>CouchRest::Database#view</tt> options for more info.
|
|
def first(opts = {})
|
|
first_instance = self.all(opts.merge!(:limit => 1))
|
|
first_instance.empty? ? nil : first_instance.first
|
|
end
|
|
|
|
# Load a document from the database by id
|
|
# No exceptions will be raised if the document isn't found
|
|
#
|
|
# ==== Returns
|
|
# Object:: if the document was found
|
|
# or
|
|
# Nil::
|
|
#
|
|
# === Parameters
|
|
# id<String, Integer>:: Document ID
|
|
# db<Database>:: optional option to pass a custom database to use
|
|
def get(id, db = database)
|
|
begin
|
|
doc = db.get id
|
|
rescue
|
|
nil
|
|
else
|
|
new(doc)
|
|
end
|
|
end
|
|
|
|
# Load a document from the database by id
|
|
# An exception will be raised if the document isn't found
|
|
#
|
|
# ==== Returns
|
|
# Object:: if the document was found
|
|
# or
|
|
# Exception
|
|
#
|
|
# === Parameters
|
|
# id<String, Integer>:: Document ID
|
|
# db<Database>:: optional option to pass a custom database to use
|
|
def get!(id, db = database)
|
|
doc = db.get id
|
|
new(doc)
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
end
|
|
end |