moon-redis

Library written in MoonScript, http://moonscript.org. You can create your own objects mapped to Redis structures.

Installation

moon-redis module is placed in MoonRocks. Once you have added MoonRocks to your LuaRocks config.lua you can install it:

luarocks install moon-redis

Usage

Import Model from moon-redis:

import Model from require "moon-redis.model"

You can configure the Redis client to use:

redis = require('redis')
client = redis.connect('127.0.0.1', 6379)
Model.client = client

First, declare your models extending from Model:

class User extends Model
  @model: "users"

The @model value referers to the name to use for the generated keys, ex: users:id:100. You can change the primary key changing @primary_key value:

export User
class User extends Model
  @primary_key: "identifier"

Attributes

You can define some basic attributes that will be saved as a hash value for each object key.

class User extends Model
  @attrs: { 'name' }

user = User!
user.name = 'Bob'
user\save!

Counters

It's possible to define some counters for your Redis model objects using the @counters table.

class User extends Model
  @attrs: { 'name' }
  @model: "users"
  @counters: { 'tweets' }

Then you can increment or decrement the value of the objects' counters and get the value:

user\incr_tweets!
user\decr_tweets!
user\incr_tweets!
print user\tweets_count! -- 1

Collections

Sometimes you will need to add collections to your models, you can do it in this way:

class User extends Model
  @attrs: { 'name' }
  @model: "users"
  @collections: { followers: -> User }

In this example the followers collection that stores User ids. You can add a member to the collection using add_{name_of_the_collection}:

user1.add_followers(user2.id)

Get the whole collection:

followers = user1.followers

Or remove a member from the collection:

user1\remove_followers(user2.id)