Stats: add adminitrations stats view

app/assets/stylesheets/administrations/stats.scss

@@ -0,0 +1,10 @@
+.stats {
+  padding: 15px;
+
+  .stat-card {
+    background-color: white;
+    margin: 15px auto;
+    max-width: 1200px;
+    padding: 15px;
+  }
+}

app/controllers/administrations/stats_controller.rb

@@ -0,0 +1,24 @@
+module Administrations
+  class StatsController < ApplicationController
+    before_action :authenticate_administration!
+
+    def index
+      procedures = Procedure.where(created_at: Time.current.all_quarter).group("date_trunc('day', created_at)").count
+      dossiers = Dossier.where(created_at: Time.current.all_quarter).group("date_trunc('day', created_at)").count
+      @procedures = clean_hash(procedures)
+      @dossiers = clean_hash(dossiers)
+    end
+
+    private
+
+    def clean_hash h
+      h.keys.each{ |key| h[key.to_date] = h[key]; h.delete(key) }
+      min_date = h.keys.min
+      max_date = h.keys.max
+      (min_date..max_date).each do |date|
+        h[date] = 0 if h[date].nil?
+      end
+      h
+    end
+  end
+end

app/views/administrations/index.html.haml

@@ -10,6 +10,9 @@
 
 %br
 
+.center
+  =link_to 'Stats', administrations_stats_path, style: 'margin-bottom: 50px; display: block', 'data-no-turbolink': true
+
 = smart_listing_render :admins
 
 %br

app/views/administrations/stats/index.html.haml

@@ -0,0 +1,10 @@
+= javascript_include_tag 'https://code.highcharts.com/highcharts.js', 'chartkick'
+
+.stats
+  .stat-card
+    %h1 Procédures crées
+    = line_chart @procedures
+
+  .stat-card
+    %h1 Dossiers créés
+    = line_chart @dossiers

config/routes.rb

@@ -42,7 +42,10 @@ Rails.application.routes.draw do
   get 'admin' => 'admin#index'
   get 'backoffice' => 'backoffice#index'
 
-  resources :administrations
+  resources :administrations, only: [:index, :create]
+  namespace :administrations do
+    resources :stats, only: [:index]
+  end
 
   namespace :france_connect do
     get 'particulier' => 'particulier#login'