Start to add statistics on website

app/controllers/statistics_controller.rb

@@ -0,0 +1,32 @@
+class StatisticsController < ApplicationController
+  def index; end
+
+  def grade
+    @services = Analysis.where(service: params.fetch(:service))
+
+    respond_to do |format|
+      format.html
+      format.json do
+        grades = Hash.new 0
+
+        @services.each do |service|
+          if (result = service.result)
+            result.each do |r|
+              next unless (grade = r['grade'])
+              grades[grade] += 1
+            end
+          end
+        end
+
+        json = {
+          grades: {
+            labels: grades.keys,
+            dataset: grades
+          }
+        }
+
+        render json: json, status: :ok
+      end
+    end
+  end
+end

app/helpers/statistics_helper.rb

@@ -0,0 +1,2 @@
+module StatisticsHelper
+end

app/javascript/js/stats/grades.js

@@ -0,0 +1,42 @@
+document.addEventListener("DOMContentLoaded", () => {
+    let gradesChart = document.getElementById('gradesChart').getContext('2d')
+
+    let background = [
+                'rgba(255, 99, 132, 1)',
+                'rgba(54, 162, 235, 1)',
+                'rgba(255, 206, 86, 1)',
+                'rgba(75, 192, 192, 1)',
+                'rgba(153, 102, 255, 1)',
+                'rgba(255, 159, 64, 1)'
+            ]
+
+    let createGradesChart = new Chart(gradesChart, {
+        type: 'bar'
+    })
+
+    let generateGraphs = function () {
+        fetch(window.location.href, {
+            method: "GET",
+            headers: {
+                "Accept": "application/json",
+                "Content-Type": "application/json",
+            },
+        }).then((response) => {
+            response.json().then((data) => {
+                if (response.status === 200) {
+                    let grades = data["grades"]["dataset"]
+
+                    createGradesChart.data.labels = data["grades"]["labels"]
+                    createGradesChart.data.datasets = [{
+                        label: 'Count',
+                        data: grades,
+                        backgroundColor: background
+                    }]
+                    createGradesChart.update()
+                }
+            })
+        });
+    }
+
+    generateGraphs()
+});

app/javascript/packs/application.js

@@ -1 +1,6 @@
 import 'css/application'
+
+import Chart from 'chart.js/auto'
+global.Chart = Chart
+
+import 'js/stats/grades'

app/views/statistics/grade.html.erb

@@ -0,0 +1,7 @@
+<div>
+  Nombre de recherche <%= params[:service] %> : <%= @services.size %>
+</div>
+
+<div>
+  <canvas id="gradesChart"></canvas>
+</div>

app/views/statistics/index.html.erb

@@ -0,0 +1,7 @@
+<h2>Statistiques par service</h2>
+
+<ul class="list-unstyled">
+  <% %i[https smtp xmpp tls ssh].each do |service| %>
+    <li><%= link_to service, stats_grade_path(service) %> (<%= Analysis.where(service: service).count %> recherches)</li>
+  <% end %>
+</ul>

config/routes.rb

@@ -16,6 +16,9 @@ Rails.application.routes.draw do
   root 'site#index'
   post '/' => 'site#check'
 
+  get 'statistics/', to: 'statistics#index', as: 'statisticts'
+  get 'statistics/grade/:service', to: 'statistics#grade', as: 'stats_grade'
+
   get 'sites' => 'site#sites'
 
   %i[banks insurances gouv.fr].each do |name|

package.json

@@ -7,6 +7,7 @@
 	"dependencies": {
 		"@rails/webpacker": "5.4.3",
 		"bootstrap": "^5.1.3",
+		"chart.js": "^3.7.1",
 		"font-awesome": "^4.7.0",
 		"webpack": "^4.46.0",
 		"webpack-cli": "^3.3.12"

test/controllers/statistics_controller_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class StatisticsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end