Fix network cache images

- Changed from using flutter_advanced_networkimage to cached_network_image
- flutter_advanced_networkimage is now outdated
- cached_network_image is the pseudo official library

lib/api.dart

@@ -2,8 +2,9 @@ import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
+import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter_advanced_networkimage/provider.dart';
+import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:image/image.dart';
 
 import 'package:path/path.dart' as path;
@@ -66,7 +67,6 @@ class InvenTreeAPI {
   }
 
   String makeApiUrl(String endpoint) {
-
     return _makeUrl("/api/" + endpoint);
   }
 
@@ -89,14 +89,13 @@ class InvenTreeAPI {
    * Useful as a precursor check before performing operations.
    */
   bool checkConnection(BuildContext context) {
-
     // Firstly, is the server connected?
     if (!isConnected()) {
       showDialog(
           context: context,
           child: new SimpleDialog(
               title: new Text("Not Connected"),
-              children: <Widget> [
+              children: <Widget>[
                 ListTile(
                   title: Text("Server not connected"),
                 )
@@ -112,7 +111,6 @@ class InvenTreeAPI {
 
     // Finally
     return true;
-
   }
 
   // Server instance information
@@ -134,12 +132,13 @@ class InvenTreeAPI {
   // Ensure we only ever create a single instance of the API class
   static final InvenTreeAPI _api = new InvenTreeAPI._internal();
 
-  factory InvenTreeAPI() { return _api; }
+  factory InvenTreeAPI() {
+    return _api;
+  }
 
   InvenTreeAPI._internal();
 
   Future<bool> connect() async {
-
     var prefs = await SharedPreferences.getInstance();
 
     String server = prefs.getString("server");
@@ -149,7 +148,8 @@ class InvenTreeAPI {
     return connectToServer(server, username, password);
   }
 
-  Future<bool> connectToServer(String address, String username, String password) async {
+  Future<bool> connectToServer(String address, String username,
+      String password) async {
 
     /* Address is the base address for the InvenTree server,
      * e.g. http://127.0.0.1:8000
@@ -272,7 +272,6 @@ class InvenTreeAPI {
 
   // Perform a PATCH request
   Future<http.Response> patch(String url, {Map<String, String> body}) async {
-
     var _url = makeApiUrl(url);
     var _headers = defaultHeaders();
     var _body = Map<String, String>();
@@ -291,7 +290,8 @@ class InvenTreeAPI {
   /*
    * Upload a file to the given URL
    */
-  Future<http.StreamedResponse> uploadFile(String url, File f, {String name = "attachment", Map<String, String> fields}) async {
+  Future<http.StreamedResponse> uploadFile(String url, File f,
+      {String name = "attachment", Map<String, String> fields}) async {
     var _url = makeApiUrl(url);
 
     var request = http.MultipartRequest('POST', Uri.parse(_url));
@@ -313,7 +313,6 @@ class InvenTreeAPI {
 
   // Perform a POST request
   Future<http.Response> post(String url, {Map<String, dynamic> body}) async {
-
     var _url = makeApiUrl(url);
     var _headers = jsonHeaders();
 
@@ -329,7 +328,6 @@ class InvenTreeAPI {
 
   // Perform a GET request
   Future<http.Response> get(String url, {Map<String, String> params}) async {
-
     var _url = makeApiUrl(url);
     var _headers = defaultHeaders();
 
@@ -353,7 +351,6 @@ class InvenTreeAPI {
   }
 
   Map<String, String> defaultHeaders() {
-
     var headers = Map<String, String>();
 
     headers[HttpHeaders.authorizationHeader] = _authorizationHeader();
@@ -362,13 +359,12 @@ class InvenTreeAPI {
   }
 
   Map<String, String> jsonHeaders() {
-
     var headers = defaultHeaders();
     headers['Content-Type'] = 'application/json';
     return headers;
   }
 
-  String _authorizationHeader () {
+  String _authorizationHeader() {
     if (_token.isNotEmpty) {
       return "Token $_token";
     } else {
@@ -380,26 +376,22 @@ class InvenTreeAPI {
 
   static String get staticThumb => "/static/img/blank_image.thumbnail.png";
 
-  /*
+  /**
-   * Get an image from the server (or, from cache)
+   * Load image from the InvenTree server,
+   * or from local cache (if it has been cached!)
    */
-  AdvancedNetworkImage getImage(String imageUrl) {
+  CachedNetworkImage getImage(String imageUrl) {
-
     if (imageUrl.isEmpty) {
       imageUrl = staticImage;
     }
 
     String url = makeUrl(imageUrl);
 
-    return new AdvancedNetworkImage(url,
+    return new CachedNetworkImage(
-      header: defaultHeaders(),
+      imageUrl: url,
-      useDiskCache: true,
+      placeholder: (context, url) => CircularProgressIndicator(),
-      //retryDuration: const Duration(seconds: 2),
+      errorWidget: (context, url, error) => Icon(FontAwesomeIcons.exclamation),
-      //retryLimit: 3,
+      httpHeaders: defaultHeaders(),
-      cacheRule: CacheRule(maxAge: const Duration(days: 1)),
-      loadFailedCallback: () {
-        DiskCache().evict(url);
-      }
     );
   }
 }

lib/widget/category_display.dart

@@ -11,7 +11,6 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
-import 'package:flutter_advanced_networkimage/provider.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 
 class CategoryDisplayWidget extends StatefulWidget {
@@ -260,10 +259,7 @@ class PartList extends StatelessWidget {
     return ListTile(
       title: Text("${part.name}"),
       subtitle: Text("${part.description}"),
-      leading: Image(
+      leading: InvenTreeAPI().getImage(part.thumbnail),
-        image: InvenTreeAPI().getImage(part.thumbnail),
-        width: 48,
-      ),
       onTap: () {
         _openPart(context, part.pk);
       },

lib/widget/company_detail.dart

@@ -115,10 +115,7 @@ class _CompanyDetailState extends RefreshableState<CompanyDetailWidget> {
       child: ListTile(
         title: Text("${company.name}"),
         subtitle: Text("${company.description}"),
-        leading: Image(
+        leading: InvenTreeAPI().getImage(company.image),
-          image: InvenTreeAPI().getImage(company.image),
-          width: 48,
-        ),
         trailing: IconButton(
           icon: FaIcon(FontAwesomeIcons.edit),
           onPressed: editCompanyDialog,

lib/widget/company_list.dart

@@ -93,10 +93,7 @@ class _CompanyListState extends RefreshableState<CompanyListWidget> {
       return ListTile(
         title: Text("${company.name}"),
         subtitle: Text("${company.description}"),
-        leading: Image(
+        leading: InvenTreeAPI().getImage(company.image),
-            image: InvenTreeAPI().getImage(company.image),
-            width: 40,
-        ),
         onTap: () {
           if (company.pk > 0) {
             InvenTreeCompany().get(context, company.pk).then((var c) {

lib/widget/location_display.dart

@@ -243,10 +243,7 @@ class StockList extends StatelessWidget {
     return ListTile(
       title: Text("${item.partName}"),
       subtitle: Text("${item.partDescription}"),
-      leading: Image(
+      leading: InvenTreeAPI().getImage(item.partThumbnail),
-        image: InvenTreeAPI().getImage(item.partThumbnail),
-        width: 48,
-      ),
       trailing: Text("${item.displayQuantity}",
         style: TextStyle(fontWeight: FontWeight.bold),
       ),

lib/widget/part_detail.dart

@@ -121,9 +121,7 @@ class _PartDisplayState extends RefreshableState<PartDetailWidget> {
         child: ListTile(
           title: Text("${part.fullname}"),
           subtitle: Text("${part.description}"),
-          leading: Image(
+          leading: InvenTreeAPI().getImage(part.image),
-            image: InvenTreeAPI().getImage(part.image)
-          ),
           trailing: IconButton(
             icon: FaIcon(FontAwesomeIcons.edit),
             onPressed: _editPartDialog,

lib/widget/stock_detail.dart

@@ -331,9 +331,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
         child: ListTile(
           title: Text("${item.partName}"),
           subtitle: Text("${item.partDescription}"),
-          leading: Image(
+          leading: InvenTreeAPI().getImage(item.partImage),
-            image: InvenTreeAPI().getImage(item.partImage),
-          ),
           trailing: IconButton(
             icon: FaIcon(FontAwesomeIcons.edit),
             onPressed: _editStockItemDialog,
@@ -413,10 +411,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
           title: Text("${item.supplierName}"),
           subtitle: Text("${item.supplierSKU}"),
           leading: FaIcon(FontAwesomeIcons.industry),
-          trailing: Image(
+          trailing: InvenTreeAPI().getImage(item.supplierImage),
-            image: InvenTreeAPI().getImage(item.supplierImage),
-            height: 32,
-          ),
           onTap: null,
         )
       );

pubspec.lock

@@ -21,35 +21,63 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.1"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
+  cached_network_image:
+    dependency: "direct main"
+    description:
+      name: cached_network_image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.5.0"
   camera:
     dependency: "direct main"
     description:
       name: camera
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.8+2"
+    version: "0.6.4+5"
+  camera_platform_interface:
+    dependency: transitive
+    description:
+      name: camera_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
+    version: "1.2.0-nullsafety.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.12"
+    version: "1.15.0-nullsafety.3"
   convert:
     dependency: transitive
     description:
@@ -57,13 +85,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.0"
   crypto:
     dependency: transitive
     description:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.4"
+    version: "2.1.5"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -71,39 +106,81 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.3"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0-nullsafety.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.2.1"
   flutter:
     dependency: "direct main"
     description: flutter
     source: sdk
     version: "0.0.0"
-  flutter_advanced_networkimage:
+  flutter_blurhash:
-    dependency: "direct main"
+    dependency: transitive
     description:
-      name: flutter_advanced_networkimage
+      name: flutter_blurhash
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.0"
+    version: "0.5.0"
+  flutter_cache_manager:
+    dependency: transitive
+    description:
+      name: flutter_cache_manager
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
   flutter_keyboard_visibility:
     dependency: transitive
     description:
       name: flutter_keyboard_visibility
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.0"
+    version: "4.0.2"
+  flutter_keyboard_visibility_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  flutter_keyboard_visibility_web:
+    dependency: transitive
+    description:
+      name: flutter_keyboard_visibility_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   flutter_launcher_icons:
     dependency: "direct dev"
     description:
       name: flutter_launcher_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.5"
+    version: "0.8.1"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.8"
+    version: "1.0.11"
   flutter_speed_dial:
     dependency: "direct main"
     description:
@@ -111,13 +188,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.5"
-  flutter_svg:
-    dependency: transitive
-    description:
-      name: flutter_svg
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.17.4"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -129,7 +199,7 @@ packages:
       name: flutter_typeahead
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.3"
   flutter_web_plugins:
     dependency: transitive
     description: flutter
@@ -141,14 +211,14 @@ packages:
       name: font_awesome_flutter
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.8.1"
+    version: "8.11.0"
   http:
     dependency: "direct main"
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.1"
+    version: "0.12.2"
   http_parser:
     dependency: transitive
     description:
@@ -162,98 +232,112 @@ packages:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.12"
+    version: "2.1.19"
   image_picker:
     dependency: "direct main"
     description:
       name: image_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.6+4"
+    version: "0.6.7+21"
   image_picker_platform_interface:
     dependency: transitive
     description:
       name: image_picker_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.1"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.16.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0-nullsafety.3"
+  octo_image:
+    dependency: transitive
+    description:
+      name: octo_image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   package_info:
     dependency: "direct main"
     description:
       name: package_info
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0+18"
+    version: "0.4.3+2"
   path:
     dependency: "direct main"
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.8.0-nullsafety.1"
-  path_drawing:
-    dependency: transitive
-    description:
-      name: path_drawing
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.4.1"
-  path_parsing:
-    dependency: transitive
-    description:
-      name: path_parsing
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.4"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.9"
+    version: "1.6.27"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+2"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4+3"
+    version: "0.0.4+8"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.4"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4+3"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.2"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "3.1.0"
   platform:
     dependency: transitive
     description:
@@ -267,28 +351,35 @@ packages:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   preferences:
     dependency: "direct main"
     description:
       name: preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.2.0"
+    version: "5.2.1"
+  process:
+    dependency: transitive
+    description:
+      name: process
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.13"
   qr_code_scanner:
     dependency: "direct main"
     description:
       name: qr_code_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.13"
+    version: "0.0.14"
-  quiver:
+  rxdart:
     dependency: transitive
     description:
-      name: quiver
+      name: rxdart
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "0.25.0"
   sentry:
     dependency: "direct main"
     description:
@@ -302,14 +393,21 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.7+3"
+    version: "0.5.12+4"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.2+4"
   shared_preferences_macos:
     dependency: transitive
     description:
       name: shared_preferences_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.1+9"
+    version: "0.0.1+11"
   shared_preferences_platform_interface:
     dependency: transitive
     description:
@@ -324,6 +422,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2+7"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -335,70 +440,119 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0-nullsafety.2"
+  sqflite:
+    dependency: transitive
+    description:
+      name: sqflite
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.2+2"
+  sqflite_common:
+    dependency: transitive
+    description:
+      name: sqflite_common
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0-nullsafety.1"
+  synchronized:
+    dependency: transitive
+    description:
+      name: synchronized
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0+2"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.15"
+    version: "0.2.19-nullsafety.2"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   usage:
     dependency: transitive
     description:
       name: usage
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.4.1"
+    version: "3.4.2"
+  uuid:
+    dependency: transitive
+    description:
+      name: uuid
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.2"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.3"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.4"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2"
   xml:
     dependency: transitive
     description:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.6.1"
+    version: "4.5.1"
   yaml:
     dependency: transitive
     description:
@@ -407,5 +561,5 @@ packages:
     source: hosted
     version: "2.2.1"
 sdks:
-  dart: ">=2.6.0 <3.0.0"
+  dart: ">=2.10.2 <2.11.0"
-  flutter: ">=1.12.13+hotfix.5 <2.0.0"
+  flutter: ">=1.22.2 <2.0.0"

pubspec.yaml

@@ -26,9 +26,8 @@ dependencies:
   http: ^0.12.1
   shared_preferences: ^0.5.7
 
-  flutter_advanced_networkimage: ^0.7.0   # Pull image from network or cache
+  cached_network_image: ^2.5.0
   preferences: ^5.2.0                     # Persistent settings storage
-  #barcode_scan: ^3.0.1                    # Barcode / QR code scanning
   qr_code_scanner: ^0.0.13
   package_info: ^0.4.0                    # App information introspection
   font_awesome_flutter: ^8.8.1            # FontAwesome icon set