A Simple Rails Search Engine

application_helper.rb

module ApplicationHelper
  YEAR_DESC_OPENED = 1996
  OLDEST_SUPPORTED_BIRTH_YEAR = 1910

  def years_in_business
    (YEAR_DESC_OPENED..current_year).to_a.reverse
  end

  def current_year
    Date.current.year
  end

  def twelve_months
    1..12
  end

  def month_days
    1..31
  end

  def birth_years
    (OLDEST_SUPPORTED_BIRTH_YEAR..current_year).to_a.reverse
  end

end

clothing_micro_report.rb

class ClothingMicroReport
  include ActiveModel::Model

  attr_reader :year, :month

  def initialize(params)
    @year  = params['year']  || Date.today.year
    @month = params['month'] || Date.current.month
  end

  def call
    Clothing.where("extract(year from created_at) = ? AND extract(month from created_at) = ?", year, month)
  end
end

clothing_micro_report_spec.rb

require 'rails_helper'

describe ClothingMicroReport do

  let(:created_at) { Time.current }
  let(:params) do
    { 'year'  => "#{created_at.year}",
      'month' => "#{created_at.month}"
    }
  end

  describe '#call' do
    subject { described_class.new(params).call }
    let!(:clothing) do
      Fabricate(:clothing, current_adult: Fabricate(:adult), created_at: created_at)
    end

    it 'queries Clothings based on created_at' do
      expect(subject).to include clothing
      expect(subject).to be_kind_of Clothing::ActiveRecord_Relation
    end
  end
end

clothing_micro_report_steps.rb

Given(/^there is a clothing from (\d+)\/(\d+)$/) do |month, year|
  adult = Fabricate(:adult)
  Fabricate(:clothing, created_at: "#{year}-#{month}-01", current_adult: adult.id)
end

When(/^I select "(.*?)" in the micro report "(.*?)" dropdown$/) do |number, type|
  select number, from: "clothing_micro_report_#{type}"
end

Then(/^I should see the clothing from (\d+)\/(\d+)$/) do |month, year|
  expect(page).to have_content /#{month}\/(\d+)\/#{year}/
end

Then(/^I should not see the clothing from (\d+)\/(\d+)$/) do |month, year|
  expect(page).to_not have_content /#{month}\/(\d+)\/#{year}/
end

clothing_micro_reports.feature

Feature: Clothing micro reports
  Volunteers will be able to get a list of all clothing objects that occurred in a month.

  Scenario: Get a micro report of all clothing transacations in a month
    Given the user is signed in
    And there is a clothing from 6/2015 
    And there is a clothing from 7/2015 
    When I click "Clothing Micro-Reports"
    And I select "6" in the micro report "month" dropdown 
    And I select "2015" in the micro report "year" dropdown 
    And I click "Get Report"
    Then I should see the clothing from 6/2015
    And I should not see the clothing from 7/2015

clothing_micro_reports_controller.rb

class ClothingMicroReportsController < ApplicationController
  before_action :authenticate_user!, :restrict_ip_address

  def index
    @clothing_micro_report = ClothingMicroReport.new(clothing_micro_report_params)
  end

  private

  def clothing_micro_report_params
    params['clothing_micro_report'] || {}
  end

end

index.haml

.row
  .col-xs-12
    %span.h1
      Clothing Micro-Reports
    .hidden-print.top-10px.bottom-10px
      = form_for @clothing_micro_report, method: :get do |f|
        = f.select :month, twelve_months, selected: @clothing_micro_report.month
        = f.select :year, years_in_business, selected: @clothing_micro_report.year
        = f.submit 'Get Report', class: 'btn btn-info btn-xs top-10pxleft-10px'

.row
  .col-xs-12
    .panel.panel-primary
      .panel-heading
        = "#{@clothing_micro_report.month}/#{@clothing_micro_report.year}"
      %table.table.table-striped.table-bordered.table-hover
        %thead
          %tr
            %th Date
            %th Adults Clothed
            %th Children Clothed
            %th Articles of Clothing
        %tbody
          - @clothing_micro_report.call.each do |clothing|
            %tr
              %td= clothing.created_at.strftime('%m/%d/%Y')
              %td= clothing.num_adults_clothed
              %td= clothing.num_children_clothed
              %td= clothing.articles_of_clothing