Update and fix broadband traffic

database/migrations/2022_04_20_134953_rename_traffic.php

@@ -0,0 +1,42 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class RenameTraffic extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		DB::statement('ALTER TABLE ab_service__adsl_traffic RENAME TO usage_broadband');
+		DB::statement('ALTER TABLE usage_broadband RENAME COLUMN ab_service_adsl_id TO service_item_id');
+		DB::statement('ALTER TABLE usage_broadband MODIFY supplier_id int unsigned NOT NULL');	// @todo This should be deleted, it could be obtained by the product
+		DB::statement('ALTER TABLE usage_broadband MODIFY service_item_id int unsigned DEFAULT NULL');
+		DB::statement('ALTER TABLE usage_broadband MODIFY site_id int unsigned NOT NULL');
+
+		Schema::table('usage_broadband', function (Blueprint $table) {
+			$table->unique(['service_item_id','site_id','date','time']);
+			$table->foreign(['service_item_id','site_id'])->references(['id','site_id'])->on('service_broadband');
+			$table->foreign(['supplier_id'])->references(['id'])->on('suppliers');
+		});
+
+		Schema::table('suppliers', function (Blueprint $table) {
+			$table->date('usage_last')->nullable();
+		});
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		abort(500,'Cant go back');
+    }
+}