datatable.directory/app/Models/Changeset.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

/**
 * A patch describing changes to apply or applied to a data table.
 */
class Changeset extends Model
{
    /** Parent data table */
    public function dataTable()
    {
        return $this->belongsTo(DataTable::class);
    }

    /** Author who created it user */
    public function author()
    {
        return $this->belongsTo(User::class, 'author_id');
    }

    /** Reports of this changeset */
    public function reportsOf()
    {
        return $this->morphMany(ContentReport::class, 'object');
    }

    /**
     * Scope for pending changesets
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public function scopePending($query)
    {
        return $query->where('applied', false);
    }

    /**
     * Scope for applied changesets
     *
     * @param \Illuminate\Database\Eloquent\Builder $query
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public function scopeApplied($query)
    {
        return $query->where('applied', true);
    }
}