implement frecency
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@ -26,7 +26,7 @@ class OrdersController < ApplicationController
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end
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end
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def overview
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def overview
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@users = User.members.publik.order(:name)
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@users = User.members.publik.order(:frecency, :desc)
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@last = Order.order(:created_at).reverse_order.includes(:user).limit(10).map(&:user)
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@last = Order.order(:created_at).reverse_order.includes(:user).limit(10).map(&:user)
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end
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end
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@ -21,6 +21,9 @@ class Order < ActiveRecord::Base
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before_save { |o| o.order_items = o.order_items.reject{ |oi| oi.count == 0 } }
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before_save { |o| o.order_items = o.order_items.reject{ |oi| oi.count == 0 } }
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after_create :create_api_job, unless: -> { user.guest? }
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after_create :create_api_job, unless: -> { user.guest? }
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after_create :update_user_frecency
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after_destroy :update_user_frecency
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validates :user, presence: true
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validates :user, presence: true
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validates_associated :order_items
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validates_associated :order_items
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validate :product_presence
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validate :product_presence
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@ -66,4 +69,8 @@ class Order < ActiveRecord::Base
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def product_presence
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def product_presence
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errors.add(:base, "You have to order at least one product.") if order_items.map(&:count).sum.zero?
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errors.add(:base, "You have to order at least one product.") if order_items.map(&:count).sum.zero?
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end
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end
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def update_user_frecency
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self.user.calculate_frecency
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end
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end
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end
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@ -41,6 +41,14 @@ class User < ActiveRecord::Base
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end
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end
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end
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end
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def calculate_frecency
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num_orders = Rails.application.config.frecency_num_orders
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last_timestamps = self.orders.order(created_at: :desc)
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.limit(num_orders)
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.pluck(:created_at)
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self.frecency = last_timestamps.map(&:to_i).sum / num_orders
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end
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def balance
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def balance
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@balance || begin
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@balance || begin
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headers = {
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headers = {
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@ -22,5 +22,6 @@ module Tab002
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config.active_record.raise_in_transactional_callbacks = true
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config.active_record.raise_in_transactional_callbacks = true
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config.active_job.queue_adapter = :delayed_job
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config.active_job.queue_adapter = :delayed_job
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config.call_api_after = 5.minutes
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config.call_api_after = 5.minutes
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config.frecency_num_orders = 10
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end
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end
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end
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end
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5
db/migrate/20160216133104_add_frecency_to_users.rb
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5
db/migrate/20160216133104_add_frecency_to_users.rb
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@ -0,0 +1,5 @@
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class AddFrecencyToUsers < ActiveRecord::Migration
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def change
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add_column :users, :frecency, :integer, default: 0, null: false
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end
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end
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@ -11,7 +11,7 @@
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#
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#
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# It's strongly recommended that you check this file into your version control system.
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 20160202133903) do
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ActiveRecord::Schema.define(version: 20160216133104) do
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create_table "barcodes", force: :cascade do |t|
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create_table "barcodes", force: :cascade do |t|
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t.integer "product_id"
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t.integer "product_id"
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@ -85,6 +85,7 @@ ActiveRecord::Schema.define(version: 20160202133903) do
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t.boolean "koelkast", default: false
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t.boolean "koelkast", default: false
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t.string "name"
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t.string "name"
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t.boolean "private", default: false
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t.boolean "private", default: false
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t.integer "frecency", default: 0, null: false
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end
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end
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add_index "users", ["koelkast"], name: "index_users_on_koelkast"
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add_index "users", ["koelkast"], name: "index_users_on_koelkast"
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