wetrack/database/migrations/2023_01_15_105105_create_tasks_table.php

<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

class CreateTasksTable extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('tasks', function (Blueprint $table) {
            $table->id();
            $table->unsignedBigInteger('project_id');
            $table->foreign('project_id')->references('id')->on('projects')->onDelete('cascade');
            $table->string('summary');
            $table->text('description');
            $table->string('task_size');
            $table->unsignedBigInteger('task_type_id');
            $table->foreign('task_type_id')->references('id')->on('task_types')->onDelete('cascade');
            $table->string('priority');
            $table->string('status');
            $table->unsignedInteger('story_points');
            $table->unsignedBigInteger('assignee_id');
            $table->foreign('assignee_id')->references('id')->on('users')->onDelete('cascade');
            $table->unsignedBigInteger('parent_id')->nullable();
            $table->foreign('parent_id')->references('id')->on('tasks')->onDelete('cascade');
            $table->softDeletes();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('tasks');
    }
}