add suppliers and distributors

lib/pages/add_supplier_page.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/material.dart';
+import 'package:gap/gap.dart';
+import 'package:go_router/go_router.dart';
+import 'package:internet_connection_checker/internet_connection_checker.dart';
+import 'package:pharmacy_mobile/functions/checkexisting_function.dart';
+import 'package:pharmacy_mobile/tables/ref_suppliers.dart';
+import 'package:pharmacy_mobile/widgets/buttonwithprogress_widget.dart';
+import 'package:pharmacy_mobile/widgets/form_border_widget2.dart';
+import 'package:pharmacy_mobile/widgets/input_form_widget.dart';
+import 'package:pharmacy_mobile/widgets/page_background_widget.dart';
+import 'package:pharmacy_mobile/widgets/snackbar_widget.dart';
+import 'package:pharmacy_mobile/widgets/text_widget.dart';
+import 'package:pharmacy_mobile/widgets/title_widget.dart';
+
+class AddSupplierPage extends StatefulWidget {
+  const AddSupplierPage({super.key});
+
+  @override
+  State<AddSupplierPage> createState() => _AddSupplierPageState();
+}
+
+class _AddSupplierPageState extends State<AddSupplierPage> {
+  final _formKey = GlobalKey<FormState>();
+  final _nameController = TextEditingController();
+  final _refsuppliers = RefSuppliers();
+
+  late bool _isLoading = false;
+
+  void _saveSupplier() async {
+    setState(() => _isLoading = true);
+
+    try {
+      if (await InternetConnectionChecker.instance.hasConnection) {
+        final existing = await checkExisting(_refsuppliers, _nameController);
+
+        if (existing && mounted) {
+          showNotification(context, 'Supplier already listed', false);
+          return;
+        }
+
+        final post = await _refsuppliers.postSupplier(_nameController.text);
+        print('post: $post');
+
+        if (post && mounted) {
+          showNotification(context, 'Supplier added to list', true);
+
+          WidgetsBinding.instance.addPostFrameCallback((_) {
+            if (mounted) {
+              context.pop();
+            }
+          });
+        }
+      } else {
+        if (mounted) {
+          showNotification(context, 'Error: No Internet Connection', false);
+        }
+      }
+    } catch (e) {
+      if (mounted) {
+        showNotification(context, 'Error: $e', false);
+      }
+    } finally {
+      setState(() => _isLoading = false);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: PageBackgroundWidget(
+          child: Center(
+        child: Column(
+          children: [
+            const Gap(96),
+            const TitleWidget(
+              firstTextSize: 14,
+              secondTextSize: 24,
+              logoSize: 90,
+            ),
+            const Gap(32),
+            const TextWidget(
+              text: 'Add Supplier',
+              title: true,
+            ),
+            const Gap(16),
+            FormBorderWidget2(
+                color: 'blue',
+                child: Form(
+                    key: _formKey,
+                    child: Column(
+                      children: [
+                        InputFormWidget(label: 'Name', controller: _nameController),
+                        const Gap(32),
+                        ButtonWithProgressWidget(
+                            trigger: _isLoading,
+                            progressText: 'Adding Supplier',
+                            buttonText: 'Save',
+                            onPressed: _saveSupplier)
+                      ],
+                    )))
+          ],
+        ),
+      )),
+    );
+  }
+}