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@StaverDmitry
StaverDmitry / passenger.rb
Last active July 17, 2017 11:42
SELECT p.id, par.first_name ||' '|| par.last_name AS partners_name,
c.first_name ||' '|| c.last_name AS customers_name,
en_c.first_name ||' '|| en_c.last_name AS enquiry_customers_name,
coalesce(par.first_name||par.last_name, c.first_name||c.last_name, en_c.first_name||en_c.last_name, 'test') AS result
FROM passengers p
LEFT JOIN customers c ON p.customer_id = c.id
LEFT JOIN partners par ON p.partner_id = par.id
JOIN enquiries e ON p.enquiry_id = e.id
JOIN customers en_c ON e.customer_id = en_c.id
ORDER BY coalesce(par.first_name||' '||par.last_name, c.first_name||' '||c.last_name, en_c.first_name||' '||en_c.last_name)
@StaverDmitry
StaverDmitry / _forecast_form.html.slim
Created June 7, 2017 01:39
= form_tag forecasts_path, method: :get do
.row.forecast-row.flex-container.space-between
.forecast-bar
.title
| Use data since:
= text_field_tag :data_start, @data_dates.first, class: 'form-control'
.forecast-bar
.title
| Cruise
@StaverDmitry
StaverDmitry / forecasts.html.erb
Created June 7, 2017 01:38
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title><%= title %></title>
<meta name="description" content="<%= content_for?(:description) ? yield(:description) : "Sail CRM" %>">
<%= favicon_link_tag %>
<%= javascript_include_tag 'forecasts' %>
<%= stylesheet_link_tag 'forecasts', media: 'all' %>
@StaverDmitry
StaverDmitry / forecasts_controller.rb
Created June 7, 2017 01:38
class ForecastsController < ApplicationController
include ForecastsHelper
layout 'forecasts'
before_action :set_dates, :set_chart_data, only: [:index, :table]
def index
respond_to do |format|
format.html
format.csv {
@StaverDmitry
StaverDmitry / linear_regression.rb
Created June 7, 2017 01:37
class LinearRegression
def initialize(hash)
x = hash.keys
y = hash.values
@xs, @ys = x, y
if @xs.length != @ys.length
raise "Unbalanced data. xs need to be same length as ys"
end
end
@StaverDmitry
StaverDmitry / forecast_csv.rb
Created June 7, 2017 01:37
require "csv"
class ForecastCSV < Struct.new(:forecast, :current_user_id)
def perform
data = forecast.detect{|f| f[:name] == 'forecast'}[:data]
path = "tmp/Forecast-#{Time.now.strftime("%d-%m-%Y %I:%M-%S")}.csv"
CSV.open(path, "w+") do |csv|
csv << ["date", "value"]
@StaverDmitry
StaverDmitry / forecast_generator.rb
Created June 7, 2017 01:37
module ForecastGenerator
class Seasoned
attr_reader :data, :data_trend, :forecast
def initialize(data)
@data = data
@coeffs = get_coefficients
@trend_params = trend_params
@data_trend = trend(@data.count)
@StaverDmitry
StaverDmitry / _charts.html.slim
Created May 28, 2017 23:45
.chart-block
h2
= "Initial data for #{@data_dates.count} months"
.chart
= line_chart @data_chart
.chart-block
h2
= "Forecast for #{@months_count} months"
.chart
@StaverDmitry
StaverDmitry / forecast.rb
Last active May 28, 2017 23:36
class Forecast < ActiveRecord::Base
include ForecastGenerator
belongs_to :cruise
serialize :result, JSON
def generate(cruise = nil, length, initial_data_length)
length ||= defaults[:length_months]
initial_data_length ||= defaults[:initial_data_length]
@StaverDmitry
StaverDmitry / diplom
Created May 21, 2017 21:09
- № месяца и шрифт в таблицах
- Интервал 1.15
- Изменить названия таблиц
- формулы точки вместо умножения
- отступ у хвоста в заголовках
- структуру перенести просто в выбор PO
- Фишер в методе батина
- прогноз на другие круизы
- БД