fix: Add DB size in system view

app/controllers/decidim/system/dashboard_controller.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Decidim
+  module System
+    class DashboardController < Decidim::System::ApplicationController
+      before_action :check_organizations_presence
+
+      def show
+        @organizations = Organization.all
+        @db_size = db_size
+      end
+
+      def check_organizations_presence
+        return if Organization.exists?
+
+        redirect_to new_organization_path
+      end
+
+      private
+
+      def db_size
+        dbname = ActiveRecord::Base.connection.current_database
+        sql = "SELECT pg_size_pretty(pg_database_size('#{dbname}'));"
+        ActiveRecord::Base.connection.execute(sql)[0]["pg_size_pretty"]
+      end
+    end
+  end
+end

app/views/decidim/system/dashboard/show.html.erb

@@ -0,0 +1,11 @@
+<% provide :title do %>
+  <h2><%= t("decidim.system.titles.dashboard.title") %></h2>
+  <h3><%= t ".current_organizations" %></h3>
+  <%= render partial: "decidim/system/shared/organizations_list", locals: { organizations: @organizations } %>
+  <div class="header">
+    <h3><%= I18n.t("decidim.system.titles.dashboard.info.title") %></h3>
+    <div>
+      <p><%= I18n.t("decidim.system.titles.dashboard.info.db_size", db_size: @db_size) %></p>
+    </div>
+  </div>
+<% end %>

config/locales/en.yml

@@ -241,6 +241,12 @@ en:
             client_id: Client ID
             client_secret: Client secret
             site_url: Site URL
+      titles:
+        dashboard: Dashboard
+        info:
+          db_size: 'Database size: %{db_size}'
+          title: General informations
+        title:
     verifications:
       authorizations:
         create:

config/locales/fr.yml

@@ -243,6 +243,12 @@ fr:
             client_id: Client ID
             client_secret: Client secret
             site_url: Site URL
+      titles:
+        dashboard:
+          info:
+            db_size: 'Poids base de données: %{db_size}'
+            title: Informations générales
+          title: Tableau de bord système
     verifications:
       authorizations:
         create: