Experimental CouchDB support for ROM. Uses couchrest as the connection adapter.
Add gem 'rom-couchdb' to your Gemfile.
class Color
attr_reader :name, :code, :id, :rev
def initialize(attributes)
puts attributes
@name, @code, @id, @rev = attributes.values_at(:name, :code, :id, :rev)
end
end
ROM.setup(:couchdb, 'testdb')
class Colors < ROM::Relation[:couchdb]
def find_id(id)
find_by_id(id)
end
def find_view(name, params)
find_by_view(name, params)
end
end
class ColorMapper < ROM::Mapper
relation :colors
register_as :entity
model Color
attribute :id, from: :'_id'
attribute :rev, from: :'_rev'
attribute :name
attribute :code
end
class CreateColor < ROM::Commands::Create[:couchdb]
register_as :create
relation :colors
result :one
end
class UpdateColor < ROM::Commands::Update[:couchdb]
register_as :update
relation :colors
result :one
end
rom = ROM.finalize.env
color_commands = rom.command(:colors)
color_relations = rom.relation(:colors)
color = color_commands.as(:entity).create.call(name: "Red", code: 8)
update = color_commands.as(:entity).create.call(name: "Blue", code: 9, _id: color.id, _rev: color.rev)
find = color_relations.as(:entity).find_id(color.id).one
all_docs = color_relations.find_view('_all_docs', {})
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