feat: add custom signature image and signer details support to invoices and settings

app/Http/Controllers/InvoiceController.php

@@ -45,6 +45,7 @@ class InvoiceController extends Controller
             'issue_date'  => 'required|date',
             'due_date'    => 'required|date|after_or_equal:issue_date',
             'notes'       => 'nullable|string',
+            'signature_image' => 'nullable|image|max:2048',
             'bank_name'    => 'nullable|string|max:100',
             'bank_account' => 'nullable|string|max:50',
             'bank_holder'  => 'nullable|string|max:100',
@@ -59,6 +60,18 @@ class InvoiceController extends Controller
         $items = $validated['items'];
         unset($validated['items']);
         $validated['status'] = InvoiceStatus::Draft->value;
+        
+        if ($request->hasFile('signature_image')) {
+            $validated['signature_image'] = $request->file('signature_image')->store('invoice-signatures', 'public');
+        } else {
+            // Fallback to settings signature if none provided at creation
+            $settings = InvoiceSettings::instance();
+            if ($settings->signature_image) {
+                // We reference the same image path, or copy it.
+                // Assuming referencing the same public image is fine.
+                $validated['signature_image'] = $settings->signature_image;
+            }
+        }
 
         $invoice = $this->invoiceService->create($validated, $items);
 
@@ -94,6 +107,7 @@ class InvoiceController extends Controller
             'due_date'    => 'required|date',
             'paid_date'   => 'nullable|date',
             'notes'        => 'nullable|string',
+            'signature_image' => 'nullable|image|max:2048',
             'bank_name'    => 'nullable|string|max:100',
             'bank_account' => 'nullable|string|max:50',
             'bank_holder'  => 'nullable|string|max:100',
@@ -107,6 +121,18 @@ class InvoiceController extends Controller
 
         $items = $validated['items'];
         unset($validated['items']);
+        
+        if ($request->hasFile('signature_image')) {
+            if ($invoice->signature_image && \Illuminate\Support\Facades\Storage::disk('public')->exists($invoice->signature_image)) {
+                \Illuminate\Support\Facades\Storage::disk('public')->delete($invoice->signature_image);
+            }
+            $validated['signature_image'] = $request->file('signature_image')->store('invoice-signatures', 'public');
+        } elseif ($request->boolean('remove_signature')) {
+            if ($invoice->signature_image && \Illuminate\Support\Facades\Storage::disk('public')->exists($invoice->signature_image)) {
+                \Illuminate\Support\Facades\Storage::disk('public')->delete($invoice->signature_image);
+            }
+            $validated['signature_image'] = null;
+        }
 
         $this->invoiceService->update($invoice, $validated, $items);
 

app/Http/Controllers/InvoiceSettingsController.php

@@ -36,19 +36,34 @@ class InvoiceSettingsController extends Controller
             'default_bank_account'       => 'nullable|string|max:50',
             'default_bank_holder'        => 'nullable|string|max:100',
             'default_notes'              => 'nullable|string|max:1000',
+            'signature_image'            => 'nullable|image|max:2048',
+            'signer_name'                => 'nullable|string|max:100',
+            'signer_title'               => 'nullable|string|max:100',
         ]);
 
         $settings = InvoiceSettings::instance();
 
         if ($request->hasFile('header_logo')) {
             // Delete old logo if exists
-            if ($settings->header_logo) {
+            if ($settings->header_logo && Storage::disk('public')->exists($settings->header_logo)) {
                 Storage::disk('public')->delete($settings->header_logo);
             }
             $path = $request->file('header_logo')->store('invoice-logos', 'public');
             $validated['header_logo'] = $path;
         }
 
+        if ($request->hasFile('signature_image')) {
+            if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
+                Storage::disk('public')->delete($settings->signature_image);
+            }
+            $validated['signature_image'] = $request->file('signature_image')->store('invoice-signatures', 'public');
+        } elseif ($request->boolean('remove_signature')) {
+            if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
+                Storage::disk('public')->delete($settings->signature_image);
+            }
+            $validated['signature_image'] = null;
+        }
+
         $settings->update($validated);
 
         return redirect()->route('invoice-settings.edit')
@@ -69,7 +84,7 @@ class InvoiceSettingsController extends Controller
         $settings->update(['header_logo' => $path]);
 
         return response()->json([
-            'url' => asset('storage/' . $path),
+            'url' => '/storage/' . $path,
         ]);
     }
 
@@ -85,4 +100,36 @@ class InvoiceSettingsController extends Controller
         return redirect()->route('invoice-settings.edit')
             ->with('success', '🗑️ Logo removed.');
     }
+
+    public function uploadSignature(Request $request): JsonResponse
+    {
+        $request->validate([
+            'signature_image' => 'required|image|max:2048',
+        ]);
+
+        $settings = InvoiceSettings::instance();
+
+        // Delete old signature if exists
+        if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
+            Storage::disk('public')->delete($settings->signature_image);
+        }
+
+        $path = $request->file('signature_image')->store('invoice-signatures', 'public');
+        $settings->update(['signature_image' => $path]);
+
+        return response()->json([
+            'url' => '/storage/' . $path,
+            'path' => $path
+        ]);
+    }
+
+    public function deleteSignature(Request $request): JsonResponse
+    {
+        $settings = InvoiceSettings::instance();
+        if ($settings->signature_image && Storage::disk('public')->exists($settings->signature_image)) {
+            Storage::disk('public')->delete($settings->signature_image);
+        }
+        $settings->update(['signature_image' => null]);
+        return response()->json(['message' => 'Signature deleted']);
+    }
 }

app/Models/Invoice.php

@@ -21,6 +21,7 @@ class Invoice extends Model
         'subtotal', 'tax_rate', 'tax_amount', 'total', 'currency',
         'status', 'issue_date', 'due_date', 'paid_date', 'notes',
         'bank_name', 'bank_account', 'bank_holder', 'branch_name',
+        'signature_image',
     ];
 
     protected $casts = [

app/Models/InvoiceSettings.php

@@ -25,6 +25,9 @@ class InvoiceSettings extends Model
         'default_bank_account',
         'default_bank_holder',
         'default_notes',
+        'signature_image',
+        'signer_name',
+        'signer_title',
     ];
 
     protected $casts = [