Optimise charge table, implemented charge recording, optimised payment recording

database/migrations/2021_09_30_132207_rework_charges.php

@@ -0,0 +1,49 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class ReworkCharges extends Migration
+{
+	/**
+	 * Run the migrations.
+	 *
+	 * @return void
+	 */
+	public function up()
+	{
+		Schema::table('ab_charge', function (Blueprint $table) {
+			$table->dropForeign('fk_chg_acc');
+			$table->dropForeign('fk_chg_pdt');
+			$table->dropForeign('fk_chg_svc');
+			$table->dropIndex('fk_chg_acc_idx');
+			$table->dropIndex('fk_chg_svc_idx');
+			$table->dropIndex('fk_chg_pdt_idx');
+			$table->dropPrimary(['id','account_id','site_id']);
+		});
+
+		DB::statement('ALTER TABLE ab_charge RENAME TO charges');
+		DB::statement('ALTER TABLE charges RENAME COLUMN date_charge TO charge_date');
+		DB::statement('ALTER TABLE charges MODIFY COLUMN id INT auto_increment');
+
+		Schema::table('charges', function (Blueprint $table) {
+			$table->unique(['id','account_id','site_id']);
+			$table->foreign(['account_id','site_id'])->references(['id','site_id'])->on('accounts');
+			$table->foreign(['service_id','site_id'])->references(['id','site_id'])->on('ab_service');
+			$table->foreign(['product_id','site_id'])->references(['id','site_id'])->on('ab_product');
+			$table->integer('user_id')->unsigned()->nullable();
+			$table->foreign(['user_id','site_id'])->references(['id','site_id'])->on('users');
+		});
+	}
+
+	/**
+	 * Reverse the migrations.
+	 *
+	 * @return void
+	 */
+	public function down()
+	{
+		abort(500,'cant go back');
+	}
+}