c280b3a29b
Refactored basic directory structure. Moved to ActiveSupport for Validations and Callbacks. Cleaned up older code, and removed support for text property types.
82 lines
2.4 KiB
Ruby
82 lines
2.4 KiB
Ruby
module CouchRest
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module Model
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module DocumentQueries
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def self.included(base)
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base.extend(ClassMethods)
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end
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module ClassMethods
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# Load all documents that have the "couchrest-type" field equal to the
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# name of the current class. Take the standard set of
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# CouchRest::Database#view options.
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def all(opts = {}, &block)
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view(:all, opts, &block)
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end
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# Returns the number of documents that have the "couchrest-type" field
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# equal to the name of the current class. Takes the standard set of
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# CouchRest::Database#view options
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def count(opts = {}, &block)
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all({:raw => true, :limit => 0}.merge(opts), &block)['total_rows']
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end
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# Load the first document that have the "couchrest-type" field equal to
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# the name of the current class.
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#
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# ==== Returns
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# Object:: The first object instance available
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# or
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# Nil:: if no instances available
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#
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# ==== Parameters
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# opts<Hash>::
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# View options, see <tt>CouchRest::Database#view</tt> options for more info.
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def first(opts = {})
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first_instance = self.all(opts.merge!(:limit => 1))
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first_instance.empty? ? nil : first_instance.first
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end
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# Load a document from the database by id
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# No exceptions will be raised if the document isn't found
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#
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# ==== Returns
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# Object:: if the document was found
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# or
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# Nil::
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#
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# === Parameters
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# id<String, Integer>:: Document ID
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# db<Database>:: optional option to pass a custom database to use
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def get(id, db = database)
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begin
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get!(id, db)
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rescue
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nil
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end
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end
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alias :find :get
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# Load a document from the database by id
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# An exception will be raised if the document isn't found
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#
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# ==== Returns
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# Object:: if the document was found
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# or
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# Exception
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#
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# === Parameters
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# id<String, Integer>:: Document ID
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# db<Database>:: optional option to pass a custom database to use
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def get!(id, db = database)
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doc = db.get id
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create_from_database(doc)
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end
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alias :find! :get!
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end
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end
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end
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end
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