112 lines
3 KiB
Ruby
112 lines
3 KiB
Ruby
module CouchRest
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module Model
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class Base < Document
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extend ActiveModel::Naming
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include CouchRest::Model::Configuration
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include CouchRest::Model::Persistence
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include CouchRest::Model::Callbacks
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include CouchRest::Model::DocumentQueries
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include CouchRest::Model::Views
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include CouchRest::Model::DesignDoc
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include CouchRest::Model::ExtendedAttachments
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include CouchRest::Model::ClassProxy
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include CouchRest::Model::Collection
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include CouchRest::Model::PropertyProtection
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include CouchRest::Model::Associations
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include CouchRest::Model::Validations
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def self.subclasses
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@subclasses ||= []
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end
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def self.inherited(subklass)
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super
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subklass.send(:include, CouchRest::Model::Properties)
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subklass.class_eval <<-EOS, __FILE__, __LINE__ + 1
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def self.inherited(subklass)
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super
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subklass.properties = self.properties.dup
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# This is nasty:
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subklass._validators = self._validators.dup
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end
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EOS
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subclasses << subklass
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end
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# Accessors
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attr_accessor :casted_by
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# Instantiate a new CouchRest::Model::Base by preparing all properties
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# using the provided document hash.
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#
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# Options supported:
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#
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# * :directly_set_attributes: true when data comes directly from database
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#
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def initialize(doc = {}, options = {})
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doc = prepare_all_attributes(doc, options)
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super(doc)
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unless self['_id'] && self['_rev']
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self[self.model_type_key] = self.class.to_s
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end
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after_initialize if respond_to?(:after_initialize)
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end
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# Temp solution to make the view_by methods available
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def self.method_missing(m, *args, &block)
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if has_view?(m)
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query = args.shift || {}
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return view(m, query, *args, &block)
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elsif m.to_s =~ /^find_(by_.+)/
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view_name = $1
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if has_view?(view_name)
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return first_from_view(view_name, *args)
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end
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end
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super
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end
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### instance methods
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# Gets a reference to the actual document in the DB
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# Calls up to the next document if there is one,
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# Otherwise we're at the top and we return self
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def base_doc
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return self if base_doc?
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@casted_by.base_doc
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end
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# Checks if we're the top document
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def base_doc?
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!@casted_by
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end
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## Compatibility with ActiveSupport and older frameworks
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# Hack so that CouchRest::Document, which descends from Hash,
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# doesn't appear to Rails routing as a Hash of options
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def is_a?(klass)
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return false if klass == Hash
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super
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end
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alias :kind_of? :is_a?
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def persisted?
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!new?
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end
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def to_key
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new? ? nil : [id]
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end
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alias :to_param :id
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alias :new_record? :new?
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alias :new_document? :new?
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end
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end
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end
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