firefly-iii/app/models/Budget.php

<?php

/**
 * Budget
 *
 * @property integer                                                             $id
 * @property \Carbon\Carbon                                                      $created_at
 * @property \Carbon\Carbon                                                      $updated_at
 * @property string                                                              $name
 * @property integer                                                             $user_id
 * @property string                                                              $class
 * @property-read \Illuminate\Database\Eloquent\Collection|\Transaction[]        $transactions
 * @property-read \Illuminate\Database\Eloquent\Collection|\TransactionJournal[] $transactionjournals
 * @property-read \User                                                          $user
 * @method static \Illuminate\Database\Query\Builder|\Budget whereId($value)
 * @method static \Illuminate\Database\Query\Builder|\Budget whereCreatedAt($value)
 * @method static \Illuminate\Database\Query\Builder|\Budget whereUpdatedAt($value)
 * @method static \Illuminate\Database\Query\Builder|\Budget whereName($value)
 * @method static \Illuminate\Database\Query\Builder|\Budget whereUserId($value)
 * @method static \Illuminate\Database\Query\Builder|\Budget whereClass($value)
 * @property-read \Illuminate\Database\Eloquent\Collection|\Limit[]              $limits
 */
class Budget extends Component
{
    public static $factory
        = [
            'name'    => 'string',
            'user_id' => 'factory|User',
            'class'   => 'Budget'
        ];
    protected $isSubclass = true;

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function limits()
    {
        return $this->hasMany('Limit', 'component_id');
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function transactionjournals()
    {
        return $this->belongsToMany('TransactionJournal', 'component_transaction_journal', 'component_id');
    }

}