75 lines
2 KiB
Ruby
75 lines
2 KiB
Ruby
module CouchRest
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module Model
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module Connection
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extend ActiveSupport::Concern
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def database
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self.class.database
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end
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def server
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self.class.server
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end
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module ClassMethods
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# Overwrite the normal use_database method so that a database
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# name can be provided instead of a full connection.
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def use_database(db)
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@_database_name = db
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end
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# Replace CouchRest's database reader with a more advanced
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# version that will make a best guess at the database you might
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# want to use. Allows for a string to be provided instead of
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# a database object.
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def database
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@database ||= prepare_database(@_database_name)
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end
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def server
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@server ||= CouchRest::Server.new(prepare_server_uri)
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end
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def prepare_database(db = nil)
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unless db.is_a?(CouchRest::Database)
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conf = connection_configuration
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db = [conf[:prefix], db.to_s, conf[:suffix]].compact.join('_')
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self.server.database!(db)
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else
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db
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end
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end
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protected
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def prepare_server_uri
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conf = connection_configuration
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userinfo = [conf[:username], conf[:password]].compact.join(':')
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userinfo += '@' unless userinfo.empty?
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"#{conf[:protocol]}://#{userinfo}#{conf[:host]}:#{conf[:port]}"
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end
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def connection_configuration
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@server_configuration ||=
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self.connection.update(
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(load_connection_config_file[environment] || {}).symbolize_keys
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)
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end
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def load_connection_config_file
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connection_config_cache[connection_config_file] ||=
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File.exists?(connection_config_file) ?
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YAML::load(ERB.new(IO.read(connection_config_file)).result) :
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{ }
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end
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def connection_config_cache
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Thread.current[:connection_config_cache] ||= {}
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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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