Class: Recommendations::Item
- Inherits:
-
Object
- Object
- Recommendations::Item
- Includes:
- Similarity
- Defined in:
- lib/recommendations/item.rb,
lib/recommendations/item/similarity.rb
Defined Under Namespace
Modules: Similarity
Instance Attribute Summary collapse
- #categories ⇒ Object
-
#id ⇒ Object
Returns the value of attribute id.
Class Method Summary collapse
Instance Method Summary collapse
-
#initialize(id, categories = {}) ⇒ Item
constructor
A new instance of Item.
- #save! ⇒ Object
Methods included from Similarity
Constructor Details
#initialize(id, categories = {}) ⇒ Item
Returns a new instance of Item.
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# File 'lib/recommendations/item.rb', line 7 def initialize(id, categories = {}) @id, @categories = id, categories end |
Instance Attribute Details
#categories ⇒ Object
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# File 'lib/recommendations/item.rb', line 11 def categories @categories || {} end |
#id ⇒ Object
Returns the value of attribute id.
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# File 'lib/recommendations/item.rb', line 4 def id @id end |
Class Method Details
.find(id) ⇒ Object
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# File 'lib/recommendations/item.rb', line 23 def self.find(id) categories = Recommendations.redis.hgetall("recommendations:item:#{id}") new(id, categories) end |
Instance Method Details
#save! ⇒ Object
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# File 'lib/recommendations/item.rb', line 15 def save! Recommendations.redis.hmset("recommendations:item:#{id}", *categories.flatten) categories.each do |category, score| Recommendations.redis.hset("recommendations:categories:#{category}", id, score) end end |