firefly-iii/app/models/Account.php

<?php
use Carbon\Carbon;
use LaravelBook\Ardent\Ardent as Ardent;
use LaravelBook\Ardent\Builder;

/**
 * Account
 *
 * @property integer $id
 * @property \Carbon\Carbon $created_at
 * @property \Carbon\Carbon $updated_at
 * @property integer $user_id
 * @property integer $account_type_id
 * @property string $name
 * @property boolean $active
 * @property-read \AccountType $accountType
 * @property-read \Illuminate\Database\Eloquent\Collection|\Transaction[] $transactions
 * @property-read \Illuminate\Database\Eloquent\Collection|\Piggybank[] $piggybanks
 * @property-read \User $user
 * @method static \Illuminate\Database\Query\Builder|\Account whereId($value) 
 * @method static \Illuminate\Database\Query\Builder|\Account whereCreatedAt($value) 
 * @method static \Illuminate\Database\Query\Builder|\Account whereUpdatedAt($value) 
 * @method static \Illuminate\Database\Query\Builder|\Account whereUserId($value) 
 * @method static \Illuminate\Database\Query\Builder|\Account whereAccountTypeId($value) 
 * @method static \Illuminate\Database\Query\Builder|\Account whereName($value) 
 * @method static \Illuminate\Database\Query\Builder|\Account whereActive($value) 
 * @method static \Account accountTypeIn($types) 
 */
class Account extends Ardent
{

    /**
     * Validation rules.
     *
     * @var array
     */
    public static $rules
        = [
            'name'            => ['required', 'between:1,100'],
            'user_id'         => 'required|exists:users,id',
            'account_type_id' => 'required|exists:account_types,id',
            'active'          => 'required|boolean'

        ];

    protected $fillable = ['name', 'user_id', 'account_type_id', 'active'];

    /**
     * Account type.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function accountType()
    {
        return $this->belongsTo('AccountType');
    }

    /**
     * Transactions.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function transactions()
    {
        return $this->hasMany('Transaction');
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function piggybanks()
    {
        return $this->hasMany('Piggybank');
    }

    /**
     *
     * @param Builder $query
     * @param array   $types
     */
    public function scopeAccountTypeIn(Builder $query, array $types)
    {
        if (is_null($this->joinedAccountTypes)) {
            $query->leftJoin('account_types', 'account_types.id', '=', 'accounts.account_type_id');
            $this->joinedAccountTypes = true;
        }
        $query->whereIn('account_types.type', $types);
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasManyThrough
     */
    public function transactionjournals()
    {
        return $this->hasManyThrough('TransactionJournal', 'Transaction');
    }

    /**
     * User
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function user()
    {
        return $this->belongsTo('User');
    }


}