Model to Redis Example

model-to-redis-example.rb

products = Product.includes(:coffee).all
coffees = Coffee.all

r = Redis.current
r.keys('product*').each { |k| r.del(k) }
r.keys('coffee*').each { |k| r.del(k) }

products.each do |p|
  sku = p.sku

  r.sadd 'products', sku
  r.sadd "products:available:#{p.available}", sku
  r.sadd "products:product_type:#{p.product_type}", sku

  r.set "product:#{sku}", p.to_json
  r.set "product:#{sku}:coffee_id", p.coffee.id if p.coffee.present?
end

coffees.each do |c|
  id = c.id

  r.sadd 'coffees', id
  r.sadd "coffees:decaf:#{c.decaf}", id
  r.sadd "coffees:limited:#{c.limited}", id

  r.set "coffee:#{id}", c.to_json
end