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Marketplace - Marketplace - Search by rate & tags - Model
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| # frozen_string_literal: true | |
| # == Schema Information | |
| # | |
| # Table name: products | |
| # | |
| # id :bigint not null, primary key | |
| # user_id :bigint | |
| # title :string | |
| # description :text | |
| # is_listed :boolean | |
| # created_at :datetime not null | |
| # updated_at :datetime not null | |
| # | |
| class Product < ApplicationRecord | |
| # ... | |
| scope :filter_on_rate, lambda {|rate| | |
| min, max = rate | |
| joins(:rates).where('rates.amount': (min.to_f..max.to_f)) | |
| } | |
| scope :filter_on_tags, lambda {|kinds, params| | |
| query = joins(:taggables) | |
| .where('taggables.tag_id': kinds.map {|kind| params[kind] }.flatten) | |
| .group("products.id") | |
| kinds.each do |kind| | |
| query = query.having("ARRAY_AGG(taggables.tag_id) && ARRAY[?]::bigint[]", params[kind].map(&:to_i)) | |
| end | |
| query | |
| } | |
| # ... | |
| def self.index | |
| select(%( | |
| products.id, | |
| products.user_id, | |
| products.is_listed, | |
| products.title, | |
| products.description, | |
| ARRAY_AGG(DISTINCT taggables.tag_id) AS tag_ids, | |
| MIN(rates.amount) AS amount, | |
| (ARRAY_AGG(attachments.picture))[1] AS attachment | |
| )) | |
| .listed | |
| .left_outer_joins([:rates, :taggables, :attachment]) | |
| .group("products.id") | |
| .order("products.created_at DESC").limit(100) | |
| end | |
| end |
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