62 lines
2.1 KiB
Dart
62 lines
2.1 KiB
Dart
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import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:supabase_flutter/supabase_flutter.dart'; // <--- AGGIUNGI QUESTO
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class ImageViewerWidget extends StatelessWidget {
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final String? storagePath; // ATTENZIONE: Ora contiene lo storagePath!
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final Uint8List? bytes;
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const ImageViewerWidget({super.key, this.storagePath, this.bytes})
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: assert(
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(storagePath != null && storagePath != '') || bytes != null,
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'Errore: Devi fornire un Path valido o i bytes del file!',
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);
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// Funzione che chiede le chiavi a Supabase
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Future<String> _getSignedUrl() async {
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return await Supabase.instance.client.storage
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.from('documents')
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.createSignedUrl(storagePath!, 60); // Link che si autodistrugge in 60s
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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backgroundColor: Colors.transparent,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.close, color: Colors.black),
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onPressed: () => Navigator.pop(context),
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),
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),
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body: InteractiveViewer(
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maxScale: 5.0,
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child: Center(
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// Se abbiamo i byte, mostriamo subito. Altrimenti usiamo il FutureBuilder!
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child: bytes != null
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? Image.memory(bytes!)
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: FutureBuilder<String>(
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future: _getSignedUrl(),
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.waiting) {
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return const CircularProgressIndicator();
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}
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if (snapshot.hasError) {
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return const Text(
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"Errore caricamento immagine (Permessi negati?)",
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style: TextStyle(color: Colors.red),
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);
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}
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if (snapshot.hasData) {
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return Image.network(snapshot.data!);
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}
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return const SizedBox.shrink();
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},
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),
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),
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),
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);
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}
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}
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