Module: Seabright::Views

Included in:
RedisObject
Defined in:
lib/redis_object/ext/views.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

ViewFieldGetter = 
"local out = {}
local key
local val
for i=1,#ARGV do
	key = ARGV[i]
	val = redis.call('HGET',KEYS[1],key)
	if val then
		table.insert(out,key)
		table.insert(out,val)
	end
end
return out".gsub(/\t/,'').freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/redis_object/ext/views.rb', line 97

def self.included(base)
	base.extend(ClassMethods)
end

Instance Method Details

#view_as_hash(name) ⇒ Object 



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# File 'lib/redis_object/ext/views.rb', line 17

def view_as_hash(name)
	out = {}
	if requested_set = self.class.named_views[name]
		if requested_set.is_a?(Symbol) and self.respond_to?(requested_set)
			out = send(requested_set)
		else
			methods = requested_set[:fields].select {|f| self.respond_to?(f.to_sym) }
			if methods.count > 0
				methods.each do |m|
					out[m.to_s] = send(m.to_sym)
				end
			end
			if requested_set[:fields] && (flds = requested_set[:fields].select {|f| !out.keys.include?(f.to_s) }.map {|f| f.to_s }) && flds.count > 0
				res = Hash[*store.eval(ViewFieldGetter, [hkey], flds)]
				out.merge!(res)
			end
			if requested_set[:procs]
				requested_set[:procs].each do |k,proc|
					out[k.to_s] = proc.call(self)
				end
			end
			if requested_set[:hashes]
				requested_set[:hashes].each do |k,v|
					case v
					when String, Symbol
						out[k.to_s] = get(v)
					end
				end
			end
		end
	end
	out
end

#view_as_json(name) ⇒ Object 



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# File 'lib/redis_object/ext/views.rb', line 51

def view_as_json(name)
	Yajl::Encoder.encode(view_as_hash(name))
end