[client] File preview page

client/lib/ui/app/router.dart

@@ -1,7 +1,5 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:phylum/util/base_uri.dart';
-import 'package:phylum/util/logging.dart';
 
 import 'routes.dart';
 
@@ -106,19 +104,9 @@ class PhylumRouteInformationParser extends RouteInformationParser<PhylumRoute> {
         return SynchronousFuture(const ExplorerRouteTrash());
       }
       if (segments[0] == 'reset_password') {
-        Uri? instanceUrl = Uri.tryParse(uri.queryParameters['instance'] ?? '');
-
-        if (instanceUrl == null) {
-          logger.w('Unable to parse instance URL "${uri.queryParameters['instance']}"');
-        } else if (kIsWeb) {
-          if (kDebugMode && instanceUrl != webAppBaseUri) {
-            logger.w('Instance URL "${uri.queryParameters['instance']}" does not match Uri.base $webAppBaseUri');
-          }
-          instanceUrl = Uri();
-        }
-
         return SynchronousFuture(ResetPasswordRoute(
-          instanceUri: instanceUrl ?? Uri(),
+          // TODO: Don't fallback to empty instance uri
+          instanceUri: Uri.tryParse(uri.queryParameters['instance'] ?? '') ?? Uri(),
           email: uri.queryParameters['email'] ?? '',
           token: uri.queryParameters['token'] ?? '',
         ));
@@ -133,6 +121,7 @@ class PhylumRouteInformationParser extends RouteInformationParser<PhylumRoute> {
     } else if (segments.length == 2) {
       if (segments[0] == 'login' && segments[1] == 'token') {
         return SynchronousFuture(TokenLoginRoute(
+          // TODO: Rename to instance
           instanceUrl: uri.queryParameters['instance_url'] ?? '',
           loginToken: uri.queryParameters['login_token'] ?? '',
         ));
@@ -140,6 +129,9 @@ class PhylumRouteInformationParser extends RouteInformationParser<PhylumRoute> {
       if (segments[0] == 'folder') {
         return SynchronousFuture(ExplorerRouteFolder(folderId: segments[1]));
       }
+      if (segments[0] == 'file') {
+        return SynchronousFuture(FilePreviewRoute(fileId: segments[1]));
+      }
     }
     return SynchronousFuture(ExplorerRouteFolder(folderId: 'unknown'));
   }

client/lib/ui/app/routes.dart

@@ -14,6 +14,7 @@ import 'package:phylum/ui/login/login_page.dart';
 import 'package:phylum/ui/login/token_login_page.dart';
 import 'package:phylum/ui/login/reset_password_page.dart';
 import 'package:phylum/ui/open/open_resource_page.dart';
+import 'package:phylum/ui/file_preview/file_preview_page.dart';
 import 'package:provider/provider.dart';
 
 sealed class PhylumRoute {
@@ -83,7 +84,7 @@ class OpenResourceRoute extends LoggedInRoute {
   final String resourceId;
 
   @override
-  Uri get uri => Uri(path: '/open/$resourceId');
+  Uri get uri => Uri(path: '/open', queryParameters: {'id': resourceId});
 
   OpenResourceRoute({required this.resourceId}) : super();
 
@@ -93,6 +94,20 @@ class OpenResourceRoute extends LoggedInRoute {
   }
 }
 
+class FilePreviewRoute extends LoggedInRoute {
+  final String fileId;
+
+  @override
+  Uri get uri => Uri(path: '/file/$fileId');
+
+  const FilePreviewRoute({required this.fileId}) : super();
+
+  @override
+  Widget buildAccountPage(PhylumAccount account) {
+    return FilePreviewPage.create(account: account, resourceId: fileId);
+  }
+}
+
 sealed class ExplorerRoute extends LoggedInRoute {
   String get title;
 

client/lib/ui/explorer/explorer_actions.dart

@@ -8,7 +8,7 @@ import 'package:phylum/libphylum/phylum_account.dart';
 import 'package:phylum/ui/app/routes.dart';
 import 'package:phylum/ui/explorer/paste_helpers.dart';
 import 'package:phylum/ui/explorer/selection_mode.dart';
-import 'package:phylum/ui/preview/resource_preview.dart';
+import 'package:phylum/ui/file_preview/file_preview_dialog.dart';
 import 'package:phylum/util/dialogs.dart';
 import 'package:phylum/util/upload_utils.dart';
 import 'package:provider/provider.dart';
@@ -68,7 +68,7 @@ class ExplorerActions extends StatelessWidget {
             final resources = state.resources.where((r) => !r.dir).toList(growable: false);
             final index = resources.indexOf(r);
             if (index >= 0) {
-              ResourcePreview.showResources(context, resources, index);
+              FilePreviewDialog.showResources(context, resources, index);
             }
           }
           return;

client/lib/ui/explorer/resource_versions_view.dart

@@ -5,7 +5,7 @@ import 'package:phylum/integrations/download_manager.dart';
 import 'package:phylum/libphylum/db/db.dart';
 import 'package:phylum/libphylum/db/resource_helpers.dart';
 import 'package:phylum/libphylum/phylum_account.dart';
-import 'package:phylum/ui/preview/resource_preview.dart';
+import 'package:phylum/ui/file_preview/file_preview_dialog.dart';
 import 'package:phylum/util/file_size.dart';
 import 'package:phylum/util/time.dart';
 import 'package:provider/provider.dart';
@@ -47,7 +47,7 @@ class ResourceVersionsView extends StatelessWidget {
                               onPressed: () async {
                                 final resource = await account.db.getResource(resourceId);
                                 if (resource == null || !context.mounted) return;
-                                ResourcePreview.showVersions(context, resource, versions, i);
+                                FilePreviewDialog.showVersions(context, resource, versions, i);
                               }),
                           IconButton(
                               icon: Icon(Icons.download),

client/lib/ui/file_preview/file_preview.dart

@@ -0,0 +1,260 @@
+import 'dart:async';
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:flutter/material.dart';
+import 'package:http/http.dart';
+import 'package:offtheline/offtheline.dart';
+import 'package:phylum/integrations/download_manager.dart';
+import 'package:phylum/libphylum/db/resource_helpers.dart';
+import 'package:phylum/libphylum/phylum_account.dart';
+import 'package:phylum/libphylum/requests/resource_contents_request.dart';
+import 'package:phylum/libphylum/responses/responses.dart';
+import 'package:phylum/ui/common/responsive_dialog.dart';
+import 'package:phylum/ui/explorer/resource_info_view.dart';
+import 'package:phylum/ui/file_preview/versioned_resource.dart';
+import 'package:printing/printing.dart';
+import 'package:provider/provider.dart';
+
+const maxPreviewSize = 1 * 1024 * 1024;
+
+class FilePreview extends StatefulWidget {
+  final bool transparent;
+  final VersionedResource resource;
+  const FilePreview({super.key, required this.transparent, required this.resource});
+
+  @override
+  State<FilePreview> createState() => _FilePreviewState();
+}
+
+class _FilePreviewState extends State<FilePreview> {
+  late VersionedResource _resource;
+  String? _error;
+  Widget Function(Uint8List)? _buildPreview;
+
+  @override
+  void initState() {
+    super.initState();
+    _updateResource(widget.resource);
+  }
+
+  @override
+  void didUpdateWidget(covariant FilePreview oldWidget) {
+    super.didUpdateWidget(oldWidget);
+    setState(() {
+      _updateResource(widget.resource);
+    });
+  }
+
+  void _updateResource(VersionedResource resource) {
+    _resource = resource;
+    if (_resource.r.dir) {
+      _buildPreview = null;
+      _error = 'Cannot preview directory';
+    } else {
+      _buildPreview = null;
+      if (_resource.v.mimeType.startsWith('image/')) {
+        _buildPreview = buildImagePreview;
+      }
+      if (_resource.v.mimeType.startsWith('text/')) {
+        _buildPreview = buildTextPreview;
+      }
+      if (_resource.v.mimeType == 'application/pdf') {
+        _buildPreview = buildPdfPreview;
+      }
+      if (_buildPreview == null) {
+        _error = 'Cannot generate preview';
+      } else if (_resource.v.size > maxPreviewSize) {
+        _buildPreview = null;
+        _error = 'File too large to preview';
+      } else {
+        context.read<PhylumAccount>().db.markResourceAccess(_resource.r.id);
+      }
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    return Scaffold(
+      backgroundColor: widget.transparent ? Colors.black45 : Colors.blueGrey[900],
+      appBar: AppBar(
+        foregroundColor: theme.colorScheme.onInverseSurface,
+        leading: const CloseButton(),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.info_outline),
+            onPressed: () => showReponsiveDialog(
+              context,
+              _resource.r.name,
+              (context) => ResourceInfoView(resource: _resource.r),
+            ),
+          ),
+          IconButton(
+            onPressed: (_resource.r.dir) ? null : () => downloadResource(context, _resource.r, version: _resource.v),
+            icon: const Icon(Icons.download),
+          )
+        ],
+        title: Text(_resource.name),
+        backgroundColor: Colors.transparent,
+      ),
+      body: Center(
+          child: _buildPreview == null
+              ? Card(
+                  child: Padding(
+                  padding: const EdgeInsets.all(16.0),
+                  child: Text(_error ?? 'Unknown error', style: TextStyle(fontSize: 18)),
+                ))
+              : ResourcePreviewDownloader(
+                  resourceId: _resource.r.id,
+                  versionId: _resource.v.id,
+                  buildPreview: _buildPreview!,
+                )),
+    );
+  }
+}
+
+class ResourcePreviewDownloader extends StatefulWidget {
+  final String resourceId;
+  final String versionId;
+  final Widget Function(Uint8List data) buildPreview;
+
+  ResourcePreviewDownloader({required this.resourceId, required this.buildPreview, required this.versionId})
+      : super(key: ValueKey(versionId));
+
+  @override
+  State<ResourcePreviewDownloader> createState() => _ResourcePreviewDownloaderState();
+}
+
+class _ResourcePreviewDownloaderState extends State<ResourcePreviewDownloader> {
+  bool _downloading = false;
+  String? _error;
+  double? _progress;
+  Uint8List? _data;
+
+  @override
+  void initState() {
+    super.initState();
+    _runDownloadTask();
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (_data != null) {
+      return SizedBox(
+        width: 800,
+        child: widget.buildPreview(_data!),
+      );
+    }
+    if (!_downloading) {
+      return Column(
+        children: [
+          if (_error != null) Text(_error!),
+          ElevatedButton(onPressed: _runDownloadTask, child: const Text('Retry'))
+        ],
+      );
+    }
+    return CircularProgressIndicator.adaptive(
+      value: _progress,
+    );
+  }
+
+  Future<void> _runDownloadTask() async {
+    try {
+      setState(() {
+        _downloading = true;
+        _error = null;
+        _progress = null;
+      });
+      final account = context.read<PhylumAccount>();
+      final response = await account.apiClient.dispatchRequestRaw(ResourceContentsRequest(
+        widget.resourceId,
+        versionId: widget.versionId,
+      ));
+      if (response.statusCode < 200 || response.statusCode > 300) {
+        final error = PhylumApiErrorResponse.fromResponseBody(await response.bodyString()).message;
+        _error = error;
+        _downloading = false;
+        if (mounted) {
+          setState(() {});
+        }
+        return;
+      }
+
+      final expected = response.contentLength?.toDouble();
+      ByteStream stream = response.stream;
+      if (expected != null) {
+        int received = 0;
+        _progress = 0;
+        if (mounted) {
+          setState(() {});
+        }
+        stream = _toByteStream(response.stream.map((s) {
+          received += s.length;
+          _progress = received / expected;
+          if (mounted) {
+            setState(() {});
+          }
+          return s;
+        }));
+      }
+      final data = await _toBytes(stream);
+      _data = data;
+      _downloading = false;
+      if (mounted) {
+        setState(() {});
+      }
+    } on SocketException {
+      _error = 'Unable to reach server';
+      _downloading = false;
+      if (mounted) {
+        setState(() {});
+      }
+    } catch (e) {
+      _error = e.toString();
+      _downloading = false;
+      if (mounted) {
+        setState(() {});
+      }
+    }
+  }
+
+  static ByteStream _toByteStream(Stream<List<int>> stream) {
+    if (stream is ByteStream) return stream;
+    return ByteStream(stream);
+  }
+
+  static Future<Uint8List> _toBytes(ByteStream stream) {
+    var completer = Completer<Uint8List>();
+    var sink = ByteConversionSink.withCallback(
+      (bytes) => completer.complete(Uint8List.fromList(bytes)),
+    );
+    stream.listen(sink.add, onError: completer.completeError, onDone: sink.close, cancelOnError: true);
+    return completer.future;
+  }
+}
+
+Widget buildImagePreview(Uint8List data) => Image.memory(data);
+
+Widget buildTextPreview(Uint8List data) => Material(
+      child: Padding(
+        padding: const EdgeInsets.all(12.0),
+        child: TextFormField(
+          decoration: const InputDecoration(border: InputBorder.none),
+          initialValue: String.fromCharCodes(data),
+          readOnly: true,
+          maxLines: 30,
+        ),
+      ),
+    );
+
+Widget buildPdfPreview(Uint8List data) => PdfPreview(
+      build: (_) => data,
+      previewPageMargin: EdgeInsets.zero,
+    );

client/lib/ui/file_preview/file_preview_dialog.dart

@@ -0,0 +1,97 @@
+import 'package:flutter/material.dart';
+import 'package:phylum/libphylum/db/db.dart';
+import 'package:phylum/libphylum/phylum_account.dart';
+import 'package:phylum/ui/app/shortcuts.dart';
+import 'package:phylum/ui/file_preview/file_preview.dart';
+import 'package:phylum/ui/file_preview/versioned_resource.dart';
+import 'package:provider/provider.dart';
+
+class FilePreviewDialog extends StatefulWidget {
+  final List<VersionedResource> resources;
+  final int index;
+
+  const FilePreviewDialog({super.key, required this.resources, required this.index});
+
+  static Future<void> showResources(BuildContext context, List<Resource> resources, int index) async {
+    final account = context.read<PhylumAccount>();
+    final r = await Future.wait(resources.map((r) async =>
+        VersionedResource(r: r, v: await account.db.latestVersion(r.id).getSingle(), showTimestamp: true)));
+    if (!context.mounted) return;
+    _show(context, r, index);
+  }
+
+  static Future<void> showVersions(
+      BuildContext context, Resource resource, Iterable<ResourceVersion> versions, int index) async {
+    final r = versions.map((v) => VersionedResource(r: resource, v: v, showTimestamp: false)).toList(growable: false);
+    _show(context, r, index);
+  }
+
+  static Future<void> _show(BuildContext context, List<VersionedResource> resources, int index) async {
+    final account = context.read<PhylumAccount>();
+    return showDialog(
+        context: context,
+        builder: (context) => MultiProvider(
+                providers: [
+                  Provider.value(value: account),
+                  Provider.value(value: account.actionQueue),
+                ],
+                builder: (context, child) {
+                  return FilePreviewDialog(resources: resources, index: index);
+                }));
+  }
+
+  @override
+  State<FilePreviewDialog> createState() => _FilePreviewDialogState();
+}
+
+class _FilePreviewDialogState extends State<FilePreviewDialog> {
+  late int index;
+  final _focusNode = FocusNode();
+
+  @override
+  void initState() {
+    super.initState();
+    index = widget.index;
+  }
+
+  @override
+  void dispose() {
+    _focusNode.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Actions(
+      actions: {
+        DismissIntent: CallbackAction<DismissIntent>(
+          onInvoke: (i) => Navigator.of(context).pop(),
+        ),
+        FocusLeftIntent: CallbackAction<FocusLeftIntent>(onInvoke: (FocusLeftIntent i) {
+          return setState(() {
+            if (index <= 0) {
+              index = widget.resources.length;
+            }
+            index--;
+          });
+        }),
+        FocusRightIntent: CallbackAction<FocusRightIntent>(onInvoke: (FocusRightIntent i) {
+          return setState(() {
+            index++;
+            if (index >= widget.resources.length) {
+              index = 0;
+            }
+          });
+        }),
+      },
+      child: GestureDetector(
+        onTap: () => Navigator.of(context).pop(),
+        child: Focus(
+          focusNode: _focusNode,
+          autofocus: true,
+          child: FilePreview(transparent: true, resource: widget.resources[index]),
+        ),
+      ),
+    );
+  }
+}

client/lib/ui/file_preview/file_preview_page.dart

@@ -0,0 +1,107 @@
+import 'package:flutter/material.dart';
+import 'package:offtheline/offtheline.dart';
+import 'package:phylum/libphylum/db/db.dart';
+import 'package:phylum/libphylum/db/resource_helpers.dart';
+import 'package:phylum/libphylum/phylum_account.dart';
+import 'package:phylum/ui/app/router.dart';
+import 'package:phylum/ui/app/routes.dart';
+import 'package:phylum/ui/file_preview/file_preview.dart';
+import 'package:phylum/ui/file_preview/versioned_resource.dart';
+import 'package:provider/provider.dart';
+
+class FilePreviewPage extends StatefulWidget {
+  final String resourceId;
+
+  const FilePreviewPage._({required this.resourceId});
+
+  static Widget create({required PhylumAccount account, required String resourceId}) {
+    return MultiProvider(
+      providers: [
+        Provider.value(value: account),
+        Provider.value(value: account.actionQueue),
+      ],
+      child: FilePreviewPage._(resourceId: resourceId),
+    );
+  }
+
+  @override
+  State<FilePreviewPage> createState() => _ResourcePreviewDialogState();
+}
+
+class _ResourcePreviewDialogState extends State<FilePreviewPage> {
+  String? error;
+  Resource? resource;
+  ResourceVersion? version;
+
+  @override
+  void initState() {
+    super.initState();
+    final account = context.read<PhylumAccount>();
+    account.db.watchResource(widget.resourceId).listen((r) => setState(() => resource = r));
+    account.db.latestVersion(widget.resourceId).watchSingleOrNull().listen((v) => setState(() => version = v));
+    _loadResourceDetails();
+  }
+
+  void _loadResourceDetails() async {
+    final account = context.read<PhylumAccount>();
+    final response = await account.resourceRepository.requestResource(widget.resourceId);
+    if (response is ApiErrorResponse) {
+      if (mounted) {
+        setState(() {
+          error = response.description;
+        });
+      }
+    }
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if (resource != null && version != null) {
+      return FilePreview(
+        transparent: true,
+        resource: VersionedResource(r: resource!, v: version!, showTimestamp: false),
+      );
+    }
+
+    return Scaffold(
+      body: Center(
+        child: error == null ? _buildLoading(context) : _buildError(context),
+      ),
+    );
+  }
+
+  Widget _buildLoading(BuildContext context) {
+    return const Row(
+      mainAxisSize: MainAxisSize.min,
+      spacing: 6.0,
+      children: [
+        CircularProgressIndicator(),
+        Text('Loading Details'),
+      ],
+    );
+  }
+
+  Widget _buildError(BuildContext context) {
+    return Column(
+      mainAxisSize: MainAxisSize.min,
+      spacing: 6.0,
+      children: [
+        Text('Error Loading Details: $error'),
+        TextButton(
+            onPressed: () {
+              context.read<PhylumRouterDelegate>().go(const ExplorerRouteHome());
+            },
+            child: Text(
+              'Go Home',
+              style: TextStyle(color: Theme.of(context).colorScheme.error),
+            )),
+        ElevatedButton(onPressed: _loadResourceDetails, child: Text('Retry')),
+      ],
+    );
+  }
+}

client/lib/ui/file_preview/versioned_resource.dart

@@ -0,0 +1,12 @@
+import 'package:phylum/libphylum/db/db.dart';
+import 'package:phylum/util/time.dart';
+
+class VersionedResource {
+  final Resource r;
+  final ResourceVersion v;
+  final bool showTimestamp;
+
+  VersionedResource({required this.r, required this.v, required this.showTimestamp});
+
+  String get name => showTimestamp ? r.name : '${r.name} - ${v.created.formatNumericDateTime()}';
+}

client/lib/ui/layout/app_actions.dart

@@ -5,7 +5,7 @@ import 'package:phylum/ui/app/shortcuts.dart';
 import 'package:phylum/ui/app/router.dart';
 import 'package:phylum/ui/layout/search.dart';
 import 'package:phylum/ui/app/routes.dart';
-import 'package:phylum/ui/preview/resource_preview.dart';
+import 'package:phylum/ui/file_preview/file_preview_dialog.dart';
 import 'package:phylum/util/upload_utils.dart';
 import 'package:provider/provider.dart';
 
@@ -84,7 +84,7 @@ class AppActions extends StatelessWidget {
             context.read<PhylumRouterDelegate>().go(ExplorerRouteFolder(folderId: resource.id));
             return null;
           }
-          ResourcePreview.showResources(context, [resource], 0);
+          FilePreviewDialog.showResources(context, [resource], 0);
           return null;
         })
       },

client/lib/ui/login/instance_url_fragment.dart

@@ -4,7 +4,7 @@ import 'package:phylum/ui/login/instance_config.dart';
 import 'package:phylum/util/dialogs.dart';
 import 'package:uri/uri.dart';
 
-import 'package:phylum/util/base_uri_stub.dart' if (dart.library.js_interop) 'package:phylum/util/base_uri_web.dart';
+import 'base_uri_stub.dart' if (dart.library.js_interop) 'base_uri_web.dart';
 
 class InstanceUrlFragment extends StatefulWidget {
   final Function(InstanceConfig) onInstanceSelected;
@@ -24,10 +24,7 @@ class _InstanceUrlFragmentState extends State<InstanceUrlFragment> {
       spacing: 12.0,
       children: [
         TextFormField(
-          decoration: InputDecoration(
-            label: const Text('Instance URL'),
-            hintText: 'https://phylum.example.com',
-          ),
+          decoration: InputDecoration(label: const Text('Instance URL'), hintText: 'https://phylum.example.com'),
           initialValue: webAppBaseUri?.toString(),
           autofocus: true,
           autofillHints: const [AutofillHints.url],
@@ -41,7 +38,7 @@ class _InstanceUrlFragmentState extends State<InstanceUrlFragment> {
           },
           onFieldSubmitted: _url == null ? null : (value) => checkConfig(_url!),
         ),
-        ElevatedButton(onPressed: _url == null ? null : () => checkConfig(_url!), child: Text('Next'))
+        ElevatedButton(onPressed: _url == null ? null : () => checkConfig(_url!), child: Text('Next')),
       ],
     );
   }

client/lib/ui/open/open_resource_page.dart

@@ -5,7 +5,6 @@ import 'package:phylum/libphylum/responses/responses.dart';
 import 'package:phylum/ui/app/dialog_scaffold.dart';
 import 'package:phylum/ui/app/router.dart';
 import 'package:phylum/ui/app/routes.dart';
-import 'package:phylum/ui/preview/resource_preview.dart';
 import 'package:provider/provider.dart';
 
 class OpenResourcePage extends StatefulWidget {
@@ -43,12 +42,7 @@ class _OpenResourcePageState extends State<OpenResourcePage> {
       if (r.dir) {
         router.go(ExplorerRouteFolder(folderId: r.id));
       } else {
-        if (r.parent != null) {
-          router.go(ExplorerRouteFolder(folderId: r.parent!));
-        } else {
-          router.go(const ExplorerRouteHome());
-        }
-        ResourcePreview.showResources(context, [r], 0);
+        router.go(FilePreviewRoute(fileId: r.id));
       }
     } else if (response is ApiErrorResponse) {
       if (mounted) {

client/lib/ui/preview/resource_preview.dart

@@ -1,336 +0,0 @@
-import 'dart:async';
-import 'dart:convert';
-import 'dart:io';
-import 'dart:typed_data';
-
-import 'package:flutter/material.dart';
-import 'package:http/http.dart';
-import 'package:offtheline/offtheline.dart';
-import 'package:phylum/integrations/download_manager.dart';
-import 'package:phylum/ui/app/shortcuts.dart';
-import 'package:phylum/libphylum/db/db.dart';
-import 'package:phylum/libphylum/db/resource_helpers.dart';
-import 'package:phylum/libphylum/phylum_account.dart';
-import 'package:phylum/libphylum/requests/resource_contents_request.dart';
-import 'package:phylum/libphylum/responses/responses.dart';
-import 'package:phylum/ui/common/responsive_dialog.dart';
-import 'package:phylum/ui/explorer/resource_info_view.dart';
-import 'package:phylum/util/time.dart';
-import 'package:printing/printing.dart';
-import 'package:provider/provider.dart';
-
-const maxPreviewSize = 1 * 1024 * 1024;
-
-class VersionedResource {
-  final Resource r;
-  final ResourceVersion v;
-  final bool latest;
-
-  VersionedResource({required this.r, required this.v, required this.latest});
-
-  String get name => latest ? r.name : '${r.name} - ${v.created.formatNumericDateTime()}';
-}
-
-class ResourcePreview extends StatefulWidget {
-  final List<VersionedResource> resources;
-  final int index;
-
-  const ResourcePreview({super.key, required this.resources, required this.index});
-
-  static Future<void> showResources(BuildContext context, List<Resource> resources, int index) async {
-    final account = context.read<PhylumAccount>();
-    final r = await Future.wait(resources
-        .map((r) async => VersionedResource(r: r, v: await account.db.latestVersion(r.id).getSingle(), latest: true)));
-    if (!context.mounted) return;
-    show(context, r, index);
-  }
-
-  static Future<void> showVersions(
-      BuildContext context, Resource resource, Iterable<ResourceVersion> versions, int index) async {
-    final r = versions.map((v) => VersionedResource(r: resource, v: v, latest: false)).toList(growable: false);
-    show(context, r, index);
-  }
-
-  static Future<void> show(BuildContext context, List<VersionedResource> resources, int index) async {
-    final account = context.read<PhylumAccount>();
-    account.db.markResourceAccess(resources[index].r.id);
-    return showDialog(
-        context: context,
-        builder: (context) => MultiProvider(
-                providers: [
-                  Provider.value(value: account),
-                  Provider.value(value: account.actionQueue),
-                ],
-                builder: (context, child) {
-                  return ResourcePreview(resources: resources, index: index);
-                }));
-  }
-
-  @override
-  State<ResourcePreview> createState() => _ResourcePreviewState();
-}
-
-class _ResourcePreviewState extends State<ResourcePreview> {
-  late int index;
-  final _focusNode = FocusNode();
-  String? _error;
-  Widget Function(Uint8List)? _buildPreview;
-  late VersionedResource _resource;
-
-  @override
-  void initState() {
-    super.initState();
-    index = widget.index;
-    _updateResource();
-  }
-
-  @override
-  void dispose() {
-    _focusNode.dispose();
-    super.dispose();
-  }
-
-  void _updateResource() {
-    _resource = widget.resources[index];
-    if (_resource.r.dir) {
-      _buildPreview = null;
-      _error = 'Cannot preview directory';
-    } else {
-      setState(() {
-        _buildPreview = null;
-        if (_resource.v.mimeType.startsWith('image/')) {
-          _buildPreview = buildImagePreview;
-        }
-        if (_resource.v.mimeType.startsWith('text/')) {
-          _buildPreview = buildTextPreview;
-        }
-        if (_resource.v.mimeType == 'application/pdf') {
-          _buildPreview = buildPdfPreview;
-        }
-        if (_buildPreview == null) {
-          _error = 'Cannot generate preview';
-        } else if (_resource.v.size > maxPreviewSize) {
-          _buildPreview = null;
-          _error = 'File too large to preview';
-        }
-      });
-    }
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final theme = Theme.of(context);
-    return Actions(
-      actions: {
-        DismissIntent: CallbackAction<DismissIntent>(
-          onInvoke: (i) => Navigator.of(context).pop(),
-        ),
-        FocusLeftIntent: CallbackAction<FocusLeftIntent>(onInvoke: (FocusLeftIntent i) {
-          return setState(() {
-            if (index <= 0) {
-              index = widget.resources.length;
-            }
-            index--;
-            _updateResource();
-          });
-        }),
-        FocusRightIntent: CallbackAction<FocusRightIntent>(onInvoke: (FocusRightIntent i) {
-          return setState(() {
-            index++;
-            if (index >= widget.resources.length) {
-              index = 0;
-            }
-            _updateResource();
-          });
-        }),
-      },
-      child: GestureDetector(
-        onTap: () => Navigator.of(context).pop(),
-        child: Focus(
-          focusNode: _focusNode,
-          autofocus: true,
-          child: Scaffold(
-            backgroundColor: Colors.black45,
-            appBar: AppBar(
-              foregroundColor: theme.colorScheme.onInverseSurface,
-              leading: const CloseButton(),
-              actions: [
-                IconButton(
-                  icon: const Icon(Icons.info_outline),
-                  onPressed: () => showReponsiveDialog(
-                    context,
-                    _resource.r.name,
-                    (context) => ResourceInfoView(resource: _resource.r),
-                  ),
-                ),
-                IconButton(
-                  onPressed:
-                      (_resource.r.dir) ? null : () => downloadResource(context, _resource.r, version: _resource.v),
-                  icon: const Icon(Icons.download),
-                )
-              ],
-              title: Text(_resource.name),
-              backgroundColor: Colors.transparent,
-            ),
-            body: Center(
-                child: _buildPreview == null
-                    ? Card(
-                        child: Padding(
-                        padding: const EdgeInsets.all(16.0),
-                        child: Text(_error ?? 'Unknown error', style: TextStyle(fontSize: 18)),
-                      ))
-                    : ResourcePreviewDownloader(
-                        resourceId: _resource.r.id,
-                        versionId: _resource.v.id,
-                        buildPreview: _buildPreview!,
-                      )),
-          ),
-        ),
-      ),
-    );
-  }
-}
-
-class ResourcePreviewDownloader extends StatefulWidget {
-  final String resourceId;
-  final String versionId;
-  final Widget Function(Uint8List data) buildPreview;
-
-  ResourcePreviewDownloader({required this.resourceId, required this.buildPreview, required this.versionId})
-      : super(key: ValueKey(versionId));
-
-  @override
-  State<ResourcePreviewDownloader> createState() => _ResourcePreviewDownloaderState();
-}
-
-class _ResourcePreviewDownloaderState extends State<ResourcePreviewDownloader> {
-  bool _downloading = false;
-  String? _error;
-  double? _progress;
-  Uint8List? _data;
-
-  @override
-  void initState() {
-    super.initState();
-    _runDownloadTask();
-  }
-
-  @override
-  void dispose() {
-    super.dispose();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    if (_data != null) {
-      return SizedBox(
-        width: 800,
-        child: widget.buildPreview(_data!),
-      );
-    }
-    if (!_downloading) {
-      return Column(
-        children: [
-          if (_error != null) Text(_error!),
-          ElevatedButton(onPressed: _runDownloadTask, child: const Text('Retry'))
-        ],
-      );
-    }
-    return CircularProgressIndicator.adaptive(
-      value: _progress,
-    );
-  }
-
-  Future<void> _runDownloadTask() async {
-    try {
-      setState(() {
-        _downloading = true;
-        _error = null;
-        _progress = null;
-      });
-      final account = context.read<PhylumAccount>();
-      final response = await account.apiClient.dispatchRequestRaw(ResourceContentsRequest(
-        widget.resourceId,
-        versionId: widget.versionId,
-      ));
-      if (response.statusCode < 200 || response.statusCode > 300) {
-        final error = PhylumApiErrorResponse.fromResponseBody(await response.bodyString()).message;
-        _error = error;
-        _downloading = false;
-        if (mounted) {
-          setState(() {});
-        }
-        return;
-      }
-
-      final expected = response.contentLength?.toDouble();
-      ByteStream stream = response.stream;
-      if (expected != null) {
-        int received = 0;
-        _progress = 0;
-        if (mounted) {
-          setState(() {});
-        }
-        stream = _toByteStream(response.stream.map((s) {
-          received += s.length;
-          _progress = received / expected;
-          if (mounted) {
-            setState(() {});
-          }
-          return s;
-        }));
-      }
-      final data = await _toBytes(stream);
-      _data = data;
-      _downloading = false;
-      if (mounted) {
-        setState(() {});
-      }
-    } on SocketException {
-      _error = 'Unable to reach server';
-      _downloading = false;
-      if (mounted) {
-        setState(() {});
-      }
-    } catch (e) {
-      _error = e.toString();
-      _downloading = false;
-      if (mounted) {
-        setState(() {});
-      }
-    }
-  }
-
-  static ByteStream _toByteStream(Stream<List<int>> stream) {
-    if (stream is ByteStream) return stream;
-    return ByteStream(stream);
-  }
-
-  static Future<Uint8List> _toBytes(ByteStream stream) {
-    var completer = Completer<Uint8List>();
-    var sink = ByteConversionSink.withCallback(
-      (bytes) => completer.complete(Uint8List.fromList(bytes)),
-    );
-    stream.listen(sink.add, onError: completer.completeError, onDone: sink.close, cancelOnError: true);
-    return completer.future;
-  }
-}
-
-Widget buildImagePreview(Uint8List data) => Image.memory(data);
-
-Widget buildTextPreview(Uint8List data) => Material(
-      child: Padding(
-        padding: const EdgeInsets.all(12.0),
-        child: TextFormField(
-          decoration: const InputDecoration(border: InputBorder.none),
-          initialValue: String.fromCharCodes(data),
-          readOnly: true,
-          maxLines: 30,
-        ),
-      ),
-    );
-
-Widget buildPdfPreview(Uint8List data) => PdfPreview(
-      build: (_) => data,
-      previewPageMargin: EdgeInsets.zero,
-    );

client/lib/util/base_uri.dart

@@ -1 +0,0 @@
-export 'base_uri_stub.dart' if (dart.library.js_interop) 'base_uri_web.dart';