feat: Add file path management for certificate uploads in the mobile app

apps/mobile/packages/features/staff/profile_sections/compliance/certificates/lib/src/presentation/blocs/certificate_upload/certificate_upload_cubit.dart

@@ -19,6 +19,10 @@ class CertificateUploadCubit extends Cubit<CertificateUploadState>
     emit(state.copyWith(isAttested: value));
   }
 
+  void setSelectedFilePath(String? filePath) {
+    emit(state.copyWith(selectedFilePath: filePath));
+  }
+
   Future<void> deleteCertificate(ComplianceType type) async {
     emit(state.copyWith(status: CertificateUploadStatus.uploading));
     await handleError(

apps/mobile/packages/features/staff/profile_sections/compliance/certificates/lib/src/presentation/blocs/certificate_upload/certificate_upload_state.dart

@@ -7,24 +7,28 @@ class CertificateUploadState extends Equatable {
   const CertificateUploadState({
     this.status = CertificateUploadStatus.initial,
     this.isAttested = false,
+    this.selectedFilePath,
     this.updatedCertificate,
     this.errorMessage,
   });
 
   final CertificateUploadStatus status;
   final bool isAttested;
+  final String? selectedFilePath;
   final StaffCertificate? updatedCertificate;
   final String? errorMessage;
 
   CertificateUploadState copyWith({
     CertificateUploadStatus? status,
     bool? isAttested,
+    String? selectedFilePath,
     StaffCertificate? updatedCertificate,
     String? errorMessage,
   }) {
     return CertificateUploadState(
       status: status ?? this.status,
       isAttested: isAttested ?? this.isAttested,
+      selectedFilePath: selectedFilePath ?? this.selectedFilePath,
       updatedCertificate: updatedCertificate ?? this.updatedCertificate,
       errorMessage: errorMessage ?? this.errorMessage,
     );
@@ -34,6 +38,7 @@ class CertificateUploadState extends Equatable {
   List<Object?> get props => <Object?>[
     status,
     isAttested,
+    selectedFilePath,
     updatedCertificate,
     errorMessage,
   ];

apps/mobile/packages/features/staff/profile_sections/compliance/certificates/lib/src/presentation/pages/certificate_upload_page.dart

@@ -25,7 +25,6 @@ class CertificateUploadPage extends StatefulWidget {
 }
 
 class _CertificateUploadPageState extends State<CertificateUploadPage> {
-  String? _selectedFilePath;
   DateTime? _selectedExpiryDate;
   final TextEditingController _issuerController = TextEditingController();
   final TextEditingController _numberController = TextEditingController();
@@ -37,16 +36,19 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
 
   bool get _isNewCertificate => widget.certificate == null;
 
+  late CertificateUploadCubit _cubit;
+
   @override
   void initState() {
     super.initState();
+    _cubit = Modular.get<CertificateUploadCubit>();
+
     if (widget.certificate != null) {
       _selectedExpiryDate = widget.certificate!.expiryDate;
       _issuerController.text = widget.certificate!.issuer ?? '';
       _numberController.text = widget.certificate!.certificateNumber ?? '';
       _nameController.text = widget.certificate!.name;
       _selectedType = widget.certificate!.certificationType;
-      _selectedFilePath = widget.certificate?.certificateUrl;
     } else {
       _selectedType = ComplianceType.other;
     }
@@ -82,9 +84,7 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
         );
         return;
       }
-      setState(() {
-        _selectedFilePath = path;
-      });
+      _cubit.setSelectedFilePath(path);
     }
   }
 
@@ -148,7 +148,9 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
   @override
   Widget build(BuildContext context) {
     return BlocProvider<CertificateUploadCubit>.value(
-      value: Modular.get<CertificateUploadCubit>(),
+      value: _cubit..setSelectedFilePath(
+        widget.certificate?.certificateUrl,
+      ),
       child: BlocConsumer<CertificateUploadCubit, CertificateUploadState>(
         listener: (BuildContext context, CertificateUploadState state) {
           if (state.status == CertificateUploadStatus.success) {
@@ -209,7 +211,7 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
                   ),
                   const SizedBox(height: UiConstants.space2),
                   FileSelector(
-                    selectedFilePath: _selectedFilePath,
+                    selectedFilePath: state.selectedFilePath,
                     onTap: _pickFile,
                   ),
                 ],
@@ -220,7 +222,7 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
                 padding: const EdgeInsets.all(UiConstants.space5),
                 child: CertificateUploadActions(
                   isAttested: state.isAttested,
-                  isFormValid: _selectedFilePath != null &&
+                  isFormValid: state.selectedFilePath != null &&
                       state.isAttested &&
                       _nameController.text.isNotEmpty,
                   isUploading: state.status == CertificateUploadStatus.uploading,
@@ -228,7 +230,7 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
                   onUploadPressed: () {
                     final String? err = _validatePdfFile(
                       context,
-                      _selectedFilePath!,
+                      state.selectedFilePath!,
                     );
                     if (err != null) {
                       UiSnackbar.show(
@@ -244,7 +246,7 @@ class _CertificateUploadPageState extends State<CertificateUploadPage> {
                       UploadCertificateParams(
                         certificationType: _selectedType!,
                         name: _nameController.text,
-                        filePath: _selectedFilePath!,
+                        filePath: state.selectedFilePath!,
                         expiryDate: _selectedExpiryDate,
                         issuer: _issuerController.text,
                         certificateNumber: _numberController.text,