wip

app/Filament/Company/Resources/Accounting/DocumentResource.php

     {
         return $table
             ->columns([
-                Tables\Columns\TextColumn::make('client.name')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('vendor.name')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('type')
-                    ->searchable(),
-                Tables\Columns\TextColumn::make('logo')
-                    ->searchable(),
-                Tables\Columns\TextColumn::make('header')
-                    ->searchable(),
-                Tables\Columns\TextColumn::make('subheader')
-                    ->searchable(),
-                Tables\Columns\TextColumn::make('document_number')
-                    ->searchable(),
-                Tables\Columns\TextColumn::make('order_number')
+                Tables\Columns\TextColumn::make('status')
                     ->searchable(),
-                Tables\Columns\TextColumn::make('date')
+                Tables\Columns\TextColumn::make('due_date')
                     ->date()
                     ->sortable(),
-                Tables\Columns\TextColumn::make('due_date')
+                Tables\Columns\TextColumn::make('date')
                     ->date()
                     ->sortable(),
-                Tables\Columns\TextColumn::make('status')
-                    ->searchable(),
-                Tables\Columns\TextColumn::make('currency_code')
+                Tables\Columns\TextColumn::make('document_number')
+                    ->label('Number')
                     ->searchable(),
-                Tables\Columns\TextColumn::make('subtotal')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('tax_total')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('discount_total')
+                Tables\Columns\TextColumn::make('client.name')
                     ->numeric()
                     ->sortable(),
                 Tables\Columns\TextColumn::make('total')
-                    ->numeric()
-                    ->sortable(),
+                    ->money(),
                 Tables\Columns\TextColumn::make('amount_paid')
-                    ->numeric()
-                    ->sortable(),
+                    ->money(),
                 Tables\Columns\TextColumn::make('amount_due')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('created_by')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('updated_by')
-                    ->numeric()
-                    ->sortable(),
-                Tables\Columns\TextColumn::make('created_at')
-                    ->dateTime()
-                    ->sortable()
-                    ->toggleable(isToggledHiddenByDefault: true),
-                Tables\Columns\TextColumn::make('updated_at')
-                    ->dateTime()
-                    ->sortable()
-                    ->toggleable(isToggledHiddenByDefault: true),
+                    ->money(),
             ])
             ->filters([
                 //

app/Models/Accounting/Document.php

 use App\Models\Banking\Payment;
 use App\Models\Common\Client;
 use App\Models\Common\Vendor;
+use App\Observers\DocumentObserver;
+use Illuminate\Database\Eloquent\Attributes\ObservedBy;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 
+#[ObservedBy(DocumentObserver::class)]
 class Document extends Model
 {
     use Blamable;
         'discount_total' => MoneyCast::class,
         'total' => MoneyCast::class,
         'amount_paid' => MoneyCast::class,
+        'amount_due' => MoneyCast::class,
     ];
 
     public function client(): BelongsTo

app/Models/Accounting/DocumentLineItem.php

 use App\Enums\Accounting\AdjustmentCategory;
 use App\Enums\Accounting\AdjustmentType;
 use App\Models\Common\Offering;
+use App\Observers\DocumentLineItemObserver;
+use Illuminate\Database\Eloquent\Attributes\ObservedBy;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\MorphToMany;
 
+#[ObservedBy(DocumentLineItemObserver::class)]
 class DocumentLineItem extends Model
 {
     use Blamable;

app/Observers/DocumentLineItemObserver.php

+<?php
+
+namespace App\Observers;
+
+use App\Models\Accounting\DocumentLineItem;
+
+class DocumentLineItemObserver
+{
+    /**
+     * Handle the DocumentLineItem "created" event.
+     */
+    public function created(DocumentLineItem $documentLineItem): void
+    {
+        //
+    }
+
+    /**
+     * Handle the DocumentLineItem "updated" event.
+     */
+    public function updated(DocumentLineItem $documentLineItem): void
+    {
+        //
+    }
+
+    public function saving(DocumentLineItem $lineItem): void
+    {
+        // Calculate the base total (quantity * unit price)
+        $lineItem->total = $lineItem->quantity * $lineItem->unit_price;
+
+        // Calculate tax total (if applicable)
+        $lineItem->tax_total = $lineItem->taxes->sum(fn ($tax) => $lineItem->total * ($tax->rate / 100));
+
+        // Calculate discount total (if applicable)
+        $lineItem->discount_total = $lineItem->discounts->sum(fn ($discount) => $lineItem->total * ($discount->rate / 100));
+    }
+
+    /**
+     * Handle the DocumentLineItem "deleted" event.
+     */
+    public function deleted(DocumentLineItem $documentLineItem): void
+    {
+        //
+    }
+
+    /**
+     * Handle the DocumentLineItem "restored" event.
+     */
+    public function restored(DocumentLineItem $documentLineItem): void
+    {
+        //
+    }
+
+    /**
+     * Handle the DocumentLineItem "force deleted" event.
+     */
+    public function forceDeleted(DocumentLineItem $documentLineItem): void
+    {
+        //
+    }
+}

app/Observers/DocumentObserver.php

+<?php
+
+namespace App\Observers;
+
+use App\Models\Accounting\Document;
+
+class DocumentObserver
+{
+    /**
+     * Handle the Document "created" event.
+     */
+    public function created(Document $document): void
+    {
+        //
+    }
+
+    /**
+     * Handle the Document "deleted" event.
+     */
+    public function deleted(Document $document): void
+    {
+        //
+    }
+
+    /**
+     * Handle the Document "restored" event.
+     */
+    public function restored(Document $document): void
+    {
+        //
+    }
+
+    public function updated(Document $document): void
+    {
+        $this->recalculateTotals($document);
+    }
+
+    public function saved(Document $document): void
+    {
+        $this->recalculateTotals($document);
+    }
+
+    protected function recalculateTotals(Document $document): void
+    {
+        // Sum up totals in cents
+        $subtotalCents = $document->lineItems()->sum('total');
+        $taxTotalCents = $document->lineItems()->sum('tax_total');
+        $discountTotalCents = $document->lineItems()->sum('discount_total');
+        $grandTotalCents = $subtotalCents + $taxTotalCents - $discountTotalCents;
+
+        $subtotal = $subtotalCents / 100; // Convert to dollars
+        $taxTotal = $taxTotalCents / 100;
+        $discountTotal = $discountTotalCents / 100;
+        $grandTotal = $grandTotalCents / 100;
+
+        ray([
+            'subtotal' => $subtotal,
+            'tax_total' => $taxTotal,
+            'discount_total' => $discountTotal,
+            'grand_total' => $grandTotal,
+        ]);
+
+        $document->updateQuietly([
+            'subtotal' => $subtotal,
+            'tax_total' => $taxTotal,
+            'discount_total' => $discountTotal,
+            'total' => $grandTotal,
+        ]);
+    }
+
+    /**
+     * Handle the Document "force deleted" event.
+     */
+    public function forceDeleted(Document $document): void
+    {
+        //
+    }
+}