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class Latitude
  def initialize(value)
    @value = value
  end
  
  def to_i
    @value.to_i
  end
end

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# app/views/statistics/weekly.html.slim
table.table
  thead
    tr
      td Day
      td Pizza count
      td Orders sum
      td Users
      td Pizza
  tbody

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# app/model/weekly_day.rb
WeeklyDay = Struct.new(:start_day, :end_day) do
  def start_day_string
    start_day.strftime('%A %d-%m-%Y')
  end
end

# app/model/daily_statistic.rb
DailyStatistic = Struct.new(:day_string, :orders) do
  def day

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# app/statistics/weekly.html.slim
table.table
  thead
    tr
      td Day
      td Pizza count
      td Orders sum
      td Users
      td Pizza
  tbody

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# app/controllers/statistics_controller.rb
class StatisticsController < ApplicationController
  # ...
  def weekly
    @weekly = []

    get_date.each do |date_obj|
      day = date_obj[:start_day].strftime('%A %d-%m-%Y')
      orders = get_orders(date_obj)
      orders_sum = orders.map(&:price).reduce(:+)

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subscribers.each do |row|
  subscriber_row = SubscriberRow.new(row)
  user = User.find_by_or_create_by_subscribe(subscriber_row.user_hash)
  subscriptions = Subscription.find(subscriber_row.subsc_ids)

  if subscriber_row.subscribe?
    user.subscribe(subscriptions)
    user.send_greeting_email(subscriptions)
  end
  if subscriber_row.unsubscribe?

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subscribers.each do |subscriber_row|
  user = User.find_by(email: subscriber_row[1])
  if user.nil?
    user = User.create_by_subscribe(
      email: subscriber_row[1],
      first_name: subscriber_row[2],
      last_name: subscriber_row[3]
    )
  end

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groceryList = {}
groceryList['Bananas'] = 6
groceryList['Apples'] = 12
groceryList['Grapes'] = 2
groceryList['Kiwis'] = 10
groceryList['Pears'] = 8

console.log(groceryList['Kiwis'] == 10)
console.log(Object.keys(groceryList).length == 5)

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'use strict'
let groceryList = new Map()
groceryList.set('Bananas', 6)
groceryList.set('Apples', 12)
groceryList.set('Grapes', 2)
groceryList.set('Kiwis', 10)
groceryList.set('Pears', 8)

console.log(groceryList.get('Kiwis') === 10)
console.log(groceryList.size === 5)

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groceryList = {}
groceryList['Bananas'] = true
groceryList['Apples'] = true
groceryList['Grapes'] = true
groceryList['Kiwis'] = true
groceryList['Pears'] = true
groceryList['Apples'] = true # dublicates will be ignored

console.log(Object.keys(groceryList).length == 5)
console.log(groceryList['Kiwis'] == true)