MongoMapper Search is a simple full text search implementation for MongoMapper ODM based on mongoid_search (https://github.com/mauriciozaffari/mongoid_search).
In your Gemfile:
gem 'mongomapper_search'
Then:
bundle install
class Product
include MongoMapper::Document
include MongoMapper::Search
key :brand, String
key :name, String
many :tags
belongs_to :category
search_in :brand, :name, {:tags => :name} => 1, {:category => :name} => 2
end
class Tag
include MongoMapper::Document
key :name, String
belongs_to :product
end
class Category
include MongoMapper::Document
key :name, String
many :products
end
Syntax:
search_in :brand, :name => 3, {:tags => :name} => 1
The search will be done using fields named as the symbols passed. You can pass a boost parameter to smooth your search like in:
:name => 3 #It means that keywords found on name is 3 times more important than keywords found on :brand
The default boost is 1. For while, complex attributes like {:tags => :name} must be declared with a boost value.
Now you can run search, which will look in the search field and return all matching results:
Product.search("apple iphone").size
=> 1
Note that the search is case insensitive, and accept partial searching too:
Product.search("ipho").size
=> 1
You can use search in a chainable way:
Product.where(:brand => "Apple").search('iphone')
match: :any - match any occurrence :all - match all ocurrences Default is :any.
search_in :brand, :name, { :tags => :name } => 1, { :match => :any }
Product.search("apple motorola").size
=> 1
search_in :brand, :name, { :tags => :name } => 1, { :match => :all }
Product.search("apple motorola").size
=> 0
allow_empty_search: true - match any occurrence false - match all ocurrences Default is false.
search_in :brand, :name, { :tags => :name } => 1, { :allow_empty_search => true }
Product.search("").size
=> 1
- Create a ignore list so the search can ignore some words