113 lines
2.6 KiB
Ruby
113 lines
2.6 KiB
Ruby
module CouchRest
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module Mixins
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module ClassProxy
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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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# Return a proxy object which represents a model class on a
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# chosen database instance. This allows you to DRY operations
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# where a database is chosen dynamically.
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#
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# ==== Example:
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#
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# db = CouchRest::Database.new(...)
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# articles = Article.on(db)
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#
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# articles.all { ... }
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# articles.by_title { ... }
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#
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# u = articles.get("someid")
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#
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# u = articles.new(:title => "I like plankton")
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# u.save # saved on the correct database
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def on(database)
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Proxy.new(self, database)
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end
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end
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class Proxy #:nodoc:
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def initialize(klass, database)
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@klass = klass
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@database = database
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end
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# ExtendedDocument
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def new(*args)
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doc = @klass.new(*args)
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doc.database = @database
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doc
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end
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def method_missing(m, *args, &block)
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if has_view?(m)
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query = args.shift || {}
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view(m, query, *args, &block)
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else
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super
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end
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end
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# Mixins::DocumentQueries
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def all(opts = {}, &block)
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@klass.all({:database => @database}.merge(opts), &block)
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end
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def first(opts = {})
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@klass.first({:database => @database}.merge(opts))
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end
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def get(id)
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@klass.get(id, @database)
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end
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# Mixins::Views
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def has_view?(view)
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@klass.has_view?(view)
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end
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def view(name, query={}, &block)
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@klass.view(name, {:database => @database}.merge(query), &block)
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end
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def all_design_doc_versions
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@klass.all_design_doc_versions(@database)
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end
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def model_design_doc
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@klass.model_design_doc(@database)
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end
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def cleanup_design_docs!
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@klass.cleanup_design_docs!(@database)
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end
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# Mixins::DesignDoc
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def design_doc
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@klass.design_doc
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end
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def design_doc_fresh
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@klass.design_doc_fresh
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end
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def refresh_design_doc
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@klass.refresh_design_doc
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end
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def save_design_doc
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@klass.save_design_doc_on(@database)
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end
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end
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end
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end
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end
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