Add account next invoice

app/Models/Account.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -252,11 +253,59 @@ class Account extends Model implements IDs
 
 	/* METHODS */
 
+	public function invoice_next(): Collection
+	{
+		// Collect all the invoice items for our active services
+		$nextdate = ($x=$this
+			->services_active
+			->filter(fn($item)=>$item->isBilled() && $item->invoice_next)
+			->sortBy(fn($item)=>(string)$item->invoice_next))
+			->first()
+			?->invoice_next
+			->clone();
+
+		// Add any additional items that will be invoiced 30 days
+		$nextitemsdate = max($nextdate,Carbon::now())
+			->clone()
+			->addMonth()
+			->subDay()
+			->endOfday();
+
+		$items = $x
+			->filter(fn($item)=>$item->invoice_next->lessThan($nextitemsdate))
+			->sortBy(fn($item)=>$item->invoice_next.$item->name)
+			->map(fn($item)=>$item->next_invoice_items($nextitemsdate))
+			->flatten();
+
+		// Add any account charges (charges with no active service)
+		foreach ($this->charges->filter(function($item) { return $item->unprocessed && ((! $this->service_id) || (! $item->service->isBilled())); }) as $oo) {
+			$ii = new InvoiceItem;
+
+			$ii->active = TRUE;
+			$ii->service_id = $oo->service_id;
+			$ii->product_id = $this->product_id;
+			$ii->quantity = $oo->quantity;
+			$ii->item_type = $oo->type;
+			$ii->price_base = $oo->amount;
+			$ii->start_at = $oo->start_at;
+			$ii->stop_at = $oo->stop_at;
+			$ii->module_id = 30; // @todo This shouldnt be hard coded
+			$ii->module_ref = $oo->id;
+			$ii->site_id = 1; // @todo
+
+			$ii->addTaxes($this->country->taxes);
+			$items->push($ii);
+		}
+
+		return $items;
+	}
+
 	/**
 	 * List of invoices (summary) for this account
 	 *
 	 * @param Collection|NULL $invoices
-	 * @return Collection
+	 * @param bool $all
+	 * @return Builder
 	 */
 	public function invoiceSummary(Collection $invoices=NULL,bool $all=FALSE): Builder
 	{