How to create a list of due dates which are dynamically added base from approved date in Laravel? - laravel

Question

I am doing a credit collection app which offer loans to the borrowers. I've been stock in this for so many days now because I can't think of a better way to do it.
SO basically I want to achieve is to have a list of due dates which I will display in the borrower dashboard. for example, the borrower applied for a 2 months loan duration and bi-monthly payment scheme and let say the admin approve it today. So what I want is base from the date today, 12-10-2021 the system will generate 4 due dates(12-25-2021, 12-8-2021, 1-23-2022 and 02-7-2022) and will save them to a separate due dates table.
With regards to the payments, I can analyze the part where the system can check if the payment is done on or before the first due date but how can I tell to the system that the payment is advance payment for the next 3 due date?
what I only have right now is this
$date_approval = Carbon::createFromTimestamp(strtotime($loan_application->date_approval));
$scheme_numdays = $loan_application->scheme->num_days;
$days = (intdiv($date_approval->diff(Carbon::now())->days , $scheme_numdays) + 1) * $scheme_numdays
$due_date = $date_approval->addDays($days)->format('M d Y');
Which can identify the first due date.
Can you help to point to any resources out there than will help me achieve my objective? I am hoping I was able to describe the question and my objective clearly. Any suggestions will be very much appreciated. Thank you so much in advance!
RESPONSE FOR #GRANT
I am following your code
$date_approval = Carbon::createFromTimestamp(strtotime($loanapplication->date_approval));
$scheme_numdays = $loanapplication->scheme->num_days;
$days = (intdiv($date_approval->diff(Carbon::now())->days , $scheme_numdays) + 1) * $scheme_numdays;
$due_date = $date_approval->addDays($days)->format('Y-m-d');
$due_date_plus = $date_approval->addDays(60)->format('Y-m-d');
# Carbon Period usage:
$result = CarbonPeriod::create($due_date, $scheme_numdays.' days', $due_date_plus);
I replace the '# days' in the $result with $scheme_numdays so which contains the number of days.
Then I display it like this,
<div class="col-md-6">
{{$date_approval}}<br/>
{{$loanapplication->date_approval}}<br/>
#foreach ($result as $dt)
{{$dt->format("M d Y")}} <br/>
#endforeach
</div>
the result is
2022-02-27 00:00:00
2021-12-14
Dec 29 2021
Jan 13 2022
Jan 28 2022
Feb 12 2022
Feb 27 2022
Question:
why {{$date_approval}} (2022-02-27 00:00:00) and {{$loanapplication->date_approval}} (2021-12-14) gave different result? The date 2021-12-14 is what I have in my database.
My second question is why the result is five instead of 4 only?
The Data I'm displaying is, the loan duration is 60 days and the payment scheme is on every 15 days or fortnightly.

Answer 1

CarbonPeriod would be perfect for this particular scenario. Have you tried the following:
$date_approval = Carbon::createFromTimestamp(strtotime($loan_application->date_approval));
$scheme_numdays = $loan_application->scheme->num_days;
$days = (intdiv($date_approval->diff(Carbon::now())->days , $scheme_numdays) + 1) * $scheme_numdays
$due_date = $date_approval->addDays($days)->format('Y-m-d');
$due_date_plus = $date_approval->addMonths(8)->format('Y-m-d');
# Carbon Period usage:
$result = CarbonPeriod::create($due_date, '2 months', $due_date_plus);
foreach ($result as $dt) {
echo $dt->format("M d Y");
}
You may need to namespace it:
use Carbon\CarbonPeriod;
Edited answer for followup questions:
<div class="col-md-6">
{{ $date_approval->format('M d Y') }}<br/>
{{ $loanapplication->date_approval->format('M d Y') }}<br/>
#foreach ($result as $dt)
#if($loop->index > 3)
#break
#endif
{{ $dt->format('M d Y') }}<br />
#endforeach
</div>
An alternative is date casting when getting dates from models.
(in loan application model):
protected $casts = [
'date_approval' => 'datetime:M d Y',
];