hauling configuration and hauling controller updates

database/migrations/2019_10_22_060603_create_hualing_config_table.php

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+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateHualingConfigTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        if(!Schema::hasTable('hauling_configuration')) {
+            Schema::create('hauling_configuration', function (Blueprint $table) {
+                $table->increments('id');
+                $table->string('load_size')->unique();
+                $table->unsignedBigInteger('min_load_size');
+                $table->ungiendBigInteger('max_load_size');
+                $table->decimal('price_per_jump');
+                $table->timestamps();
+            });
+        }
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('hualing_config');
+    }
+}

database/seeds/HaulingConfigSeeder.php

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+<?php
+
+use Illuminate\Database\Seeder;
+
+use App\Models\Config\HaulingConfig;
+
+class HaulingConfigSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        printf("Adding hauling configuration.\r\n");
+        HaulingConfig::insert([
+            'load_size' => 'small',
+            'min_load_size' => 0,
+            'max_load_size' => 8000,
+            'price_per_jump' => 600000,
+        ]);
+
+        HaulingConfig::insert([
+            'load_size' => 'medium',
+            'min_load_size' => 8000,
+            'max_load_size' => 57500,
+            'price_per_jump' => 800000,
+        ]);
+
+        HaulingConfig::insert([
+            'load_size' => 'large',
+            'min_load_size' => 57500,
+            'max_load_size' => 800000,
+            'price_per_jump' => 1000000,
+        ]);
+
+        printf("Finished adding hauling configuration.\r\n");
+    }
+}