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Contents
module CouchPotato
module View
# A view to return model instances with only some properties poulated by searching its properties, e.g. for very large documents where you are only interested in some of their data
#
# example:
# view :my_view, :key => :name, :properties => [:name, :author], :type => :properties
class PropertiesViewSpec < ModelViewSpec
def map_function
map_body do
"emit(#{formatted_key(key)}, #{properties_for_map(properties)});"
end
end
def reduce_function
<<-JS
function(key, values, rereduce) {
if(rereduce) {
return sum(values);
} else {
return values.length;
}
}
JS
end
def process_results(results)
results['rows'].map do |row|
klass.json_create row['value'].merge(:_id => row['id'])
end
end
def view_parameters
{:include_docs => false}.merge(super)
end
private
def properties
options[:properties]
end
def properties_for_map(properties)
'{' + properties.map{|p| "#{p}: doc.#{p}"}.join(', ') + '}'
end
end
end
end
Version data entries
24 entries across 24 versions & 3 rubygems