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Contents
module ProductGroupSearch
module Extension
# This module bring search feature to product_group. This is how it is used in product_group .
#
# class ProductGroup
# has_many :product_group_conditions, dependent: :destroy, extend: ProductGroupSearch::Extension
# def products
# product_group_conditions.search
# end
# end
#
def search
Product.find_by_sql(to_search_sql)
end
def to_search_sql
set_indexes # custom_field_strategy needs it
search_proxy = handle_joins
search_proxy = search_proxy.where(handle_where_conditions)
search_proxy = filter_on_active(search_proxy)
search_proxy = search_proxy.project(Arel.sql("products.*"))
search_proxy.to_sql
end
private
def set_indexes
each_with_index { | condition, index | condition.index = index }
end
def handle_joins
reduce(Product.arel_table) { | p, condition | condition.join(p) }
end
def handle_where_conditions
reduce(nil) { | p, condition | condition.where(p) }
end
def filter_on_active(search)
search.where(Product.arel_table[:status].eq('active'))
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems