Collect uptime data in daily heartbeat from connect-ng

app/controllers/api/connect/v3/systems/systems_controller.rb

@@ -3,6 +3,19 @@ class Api::Connect::V3::Systems::SystemsController < Api::Connect::BaseControlle
   before_action :authenticate_system
 
   def update
+    if params[:online_at].present?
+      for online_at in params[:online_at]
+        begin
+          dthours = online_at.split(":")
+          @system_uptime = SystemUptime.create!(system_id: @system.id, online_at_day: dthours[0], online_at_hours: dthours[1])
+          logger.info(N_("Added uptime information for system '%s'") % @system.id)
+        rescue ActiveRecord::RecordNotUnique
+          logger.info(N_("Uptime information existing for system '%s'") % @system.id)
+        end
+      end
+      SystemUptime.where("online_at_day < '#{90.days.ago}'").delete_all
+    end
+
     @system.hostname = params[:hostname]
 
     # Since the payload is handled by rails all values are converted to string

app/models/system_uptime.rb

@@ -0,0 +1,4 @@
+class SystemUptime < ApplicationRecord
+  belongs_to :system, foreign_key: 'system_id'
+
+end

db/migrate/20240111200053_create_system_uptimes.rb

@@ -0,0 +1,19 @@
+class CreateSystemUptimes < ActiveRecord::Migration[6.1]
+  def change
+    safety_assured do
+      create_table :system_uptimes, id: false do |t|
+        t.bigint :system_id, null:false
+        t.date :online_at_day, null: false
+        t.column :online_at_hours, "binary(24)", null: false
+        t.timestamps
+    end
+
+    commit_db_transaction
+
+    add_index :system_uptimes,  %i[system_id online_at_day online_at_hours], unique: true, name: 'id_online_day_hours'
+
+    add_foreign_key :system_uptimes, :systems, column: :system_id, validate: false
+
+    end
+  end
+end