osb/app/Models/Invoice.php

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<?php
namespace App\Models;
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use Carbon\Carbon;
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use Clarkeash\Doorman\Facades\Doorman;
use Clarkeash\Doorman\Models\Invite;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Support\Arr;
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use Leenooks\Traits\ScopeActive;
use App\Interfaces\IDs;
use App\Traits\{NextKey,PushNew};
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/**
* Class Invoice
* Invoices that belong to an Account
*
* Attributes for services:
* + due : Balance due on an invoice
* + due_date : Date the invoice is due
* + invoice_date : Date the invoice was created
* + lid : Local ID for invoice
* + paid : Total of payments received (excluding pending)
* + paid_date : Date the invoice was paid in full
* + paid_pending : Total of pending payments received
* + sid : System ID for invoice
* + sub_total : Invoice sub-total before taxes
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* + total_tax : Invoices total of taxes
* + total : Invoice total
*
* @package App\Models
*/
class Invoice extends Model implements IDs
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{
use PushNew,ScopeActive;
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protected $dates = [
'due_at',
];
public const BILL_WEEKLY = 0;
public const BILL_MONTHLY = 1;
public const BILL_QUARTERLY = 2;
public const BILL_SEMI_YEARLY = 3;
public const BILL_YEARLY = 4;
public const BILL_TWOYEARS = 5;
public const BILL_THREEYEARS = 6;
public const BILL_FOURYEARS = 7;
public const BILL_FIVEYEARS = 8;
/* Our available billing periods */
public const billing_periods = [
self::BILL_WEEKLY => [
'name' => 'Weekly',
'interval' => 0.25,
],
self::BILL_MONTHLY => [
'name' => 'Monthly',
'interval' => 1,
],
self::BILL_QUARTERLY => [
'name' => 'Quarterly',
'interval' => 3,
],
self::BILL_SEMI_YEARLY => [
'name' => 'Semi-Annually',
'interval' => 6,
],
self::BILL_YEARLY => [
'name' => 'Annually',
'interval' => 12,
],
self::BILL_TWOYEARS => [
'name' => 'Two years',
'interval' => 24,
],
self::BILL_THREEYEARS => [
'name' => 'Three Years',
'interval' => 36,
],
self::BILL_FOURYEARS => [
'name' => 'Four Years',
'interval' => 48,
],
SELF::BILL_FIVEYEARS => [
'name' => 'Five Years',
'interval' => 60,
],
];
// Array of items that can be updated with PushNew
protected $pushable = ['items'];
/*
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protected $with = [
'account.country.currency',
'items.taxes',
'paymentitems'
];
*/
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// Caching variables
private int $_paid = 0;
private int $_total = 0;
private int $_total_tax = 0;
/* STATIC */
/**
* This works out what multiplier to use to change billing periods
*
* @param int $source
* @param int $target
* @return float
*/
public static function billing_change(int $source,int $target): float
{
return Arr::get(self::billing_periods,$target.'.interval')/Arr::get(self::billing_periods,$source.'.interval');
}
/**
* Return the name for the billing interval
*
* @param int $interval
* @return string
*/
public static function billing_name(int $interval): string
{
$interval = collect(self::billing_periods)->get($interval);
return Arr::get($interval,'name','Unknown');
}
/**
* Return the number of months in the billing interval
*
* @param int $interval
* @return int
*/
public static function billing_period(int $interval): int
{
$interval = collect(self::billing_periods)->get($interval);
return Arr::get($interval,'interval',0);
}
/**
* Given a contract in months, this will calculate the number of billing intervals required
*
* @param int $contract_term
* @param int $source
* @return int
*/
public static function billing_term(int $contract_term,int $source): int
{
return ceil(($contract_term ?: 1)/(Arr::get(self::billing_periods,$source.'.interval') ?: 1));
}
/* INTERFACES */
/**
* Invoice Local ID
*
* @return string
*/
public function getLIDAttribute(): string
{
return sprintf('%06s',$this->id);
}
/**
* Invoice System ID
*
* @return string
*/
public function getSIDAttribute(): string
{
return sprintf('%02s-%04s-%s',$this->site_id,$this->account_id,$this->getLIDAttribute());
}
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/* RELATIONS */
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public function account()
{
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return $this->belongsTo(Account::class);
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}
public function items()
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{
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return $this->hasMany(InvoiceItem::class)
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->where('active',TRUE)
->with(['taxes','product']);
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}
public function payments()
{
return $this->hasManyThrough(Payment::class,PaymentItem::class,NULL,'id',NULL,'payment_id');
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}
public function paymentitems()
{
return $this->hasMany(PaymentItem::class);
}
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/* SCOPES */
/**
* Search for a record
*
* @param $query
* @param string $term
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* @return mixed
*/
public function scopeSearch($query,string $term)
{
return $query->where('id','like','%'.$term.'%');
}
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/* ATTRIBUTES */
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/**
* Balance due on an invoice
* @return float
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*/
public function getDueAttribute(): float
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{
return sprintf('%3.2f',$this->getTotalAttribute()-$this->getPaidAttribute());
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}
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/**
* @return mixed
* @todo Change references to due_at to use due_date
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*/
public function getDueDateAttribute(): Carbon
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{
return $this->due_at;
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}
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/**
* Date the invoices was created
*
* @return Carbon
*/
public function getInvoiceDateAttribute(): Carbon
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{
return $this->created_at;
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}
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// @todo Move this to a site configuration
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public function getInvoiceTextAttribute()
{
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return sprintf('Thank you for using %s for your Internet Services.',config('site')->site_name);
}
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/**
* Total of payments received for this invoice
* excluding pending payments
*
* @return float
*/
public function getPaidAttribute(): float
{
return $this->paymentitems
->filter(function($item) { return ! $item->payment->pending_status; })
->sum('alloc_amt');
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}
/**
* Get the date that the invoice was paid in full.
* We assume the last payment received pays it in full, if its fully paid.
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*
* @return Carbon|null
*/
public function getPaidDateAttribute(): ?Carbon
{
if ($this->getDueAttribute())
return NULL;
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$o = $this->payments
->filter(function($item) { return ! $item->pending_status; })
->last();
return $o?->payment_date;
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}
/**
* Total of pending payments received for this invoice
*
* @return mixed
*/
public function getPaidPendingAttribute(): float
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{
return $this->paymentitems
->filter(function($item) { return $item->payment->pending_status; })
->sum('alloc_amt');
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}
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/**
* Get invoice subtotal before taxes
*
* @return float
*/
public function getSubTotalAttribute(): float
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{
return $this->items->where('active',TRUE)->sum('sub_total');
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}
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/**
* Get the invoices taxes total
*
* @return float
* @deprecated use getTotalTaxAttribute();
*/
public function getTaxTotalAttribute(): float
{
return $this->getTotalTaxAttribute();
}
/**
* Get the invoices taxes total
*
* @return float
*/
public function getTotalTaxAttribute(): float
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{
return $this->items->where('active',TRUE)->sum('tax');
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}
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/**
* Invoice total due
*
* @return float
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*/
public function getTotalAttribute(): float
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{
return $this->getSubTotalAttribute()+$this->getTotalTaxAttribute();
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}
/* METHODS */
// @todo This shouldnt be here - current should be handled at an account level.
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public function currency()
{
return $this->account->country->currency;
}
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/**
* Return a download link for non-auth downloads
*
* @return string
*/
public function download_link(): string
{
// Re-use an existing code
$io = Invite::where('for',$this->account->user->email)->first();
$tokendate = ($x=Carbon::now()->addDays(21)) > ($y=$this->due_at->addDays(21)) ? $x : $y;
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// Extend the expire date
if ($io AND ($tokendate > $io->valid_until)) {
$io->valid_until = $tokendate;
$io->save();
}
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$code = (! $io) ? Doorman::generate()->for($this->account->user->email)->uses(0)->expiresOn($tokendate)->make()->first()->code : $io->code;
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return url('u/invoice',[$this->id,'email',$code]);
}
// @todo document
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public function products()
{
$return = collect();
foreach ($this->items->groupBy('product_id') as $o) {
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$po = $o->first()->product;
$po->count = count($o->pluck('service_id')->unique());
$return->push($po);
}
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return $return->sortBy(function ($item) {
return $item->name;
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});
}
// @todo document
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public function product_services(Product $po)
{
$return = collect();
$this->items->load(['service']);
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foreach ($this->items->filter(function ($item) use ($po) {
return $item->product_id == $po->id;
}) as $o)
{
$so = $o->service;
$return->push($so);
};
return $return->unique()->sortBy('name');
}
// @todo document
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public function product_service_items(Product $po,Service $so)
{
return $this->items->filter(function ($item) use ($po,$so) {
return $item->product_id == $po->id AND $item->service_id == $so->id;
})->filter()->sortBy('item_type');
}
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/**
* @param string $key
* @return string
* @todo Ugly hack to update reminders
*/
public function reminders(string $key) {
$r = json_decode($this->reminders);
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if (! Arr::get($r,$key)) {
$r[$key] = time();
return json_encode($r);
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}
}
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/**
* Automatically set our due_at at save time.
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*
* @param array $options
* @return bool
*/
public function save(array $options = []) {
// Automatically set the date_due attribute for new records.
if (! $this->exists AND ! $this->due_at) {
$this->due_at = $this->items->min('start_at');
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// @todo This 7 days should be sysetm configurable
if (($x=Carbon::now()->addDay(7)) > $this->due_at)
$this->due_at = $x;
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}
return parent::save($options);
}
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}