Small fixes to character loading (#505)

* bump version number

* small issues with character cards

* hashing

lib/providers/character.dart

@@ -2,6 +2,7 @@ import 'dart:io';
 import 'dart:async';
 import 'dart:convert';
 
+import 'package:crypto/crypto.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
@@ -11,16 +12,15 @@ import 'package:maid/static/utilities.dart';
 import 'package:path_provider/path_provider.dart';
 
 class Character extends ChangeNotifier {
-  Key _key = UniqueKey();
   File? _profile;
   String _name = "Maid";
   String _description = "";
   String _personality = "";
   String _scenario = "";
+  String _system = "";
 
   bool _useGreeting = false;
   List<String> _greetings = [];
-  String _system = "";
 
   bool _useExamples = true;
   List<Map<String, dynamic>> _examples = [];
@@ -46,7 +46,6 @@ class Character extends ChangeNotifier {
   }
 
   void from(Character character) async {
-    _key = character.key;
     _profile = await character.profile;
     _name = character.name;
     _description = character.description;
@@ -138,21 +137,17 @@ class Character extends ChangeNotifier {
   Map<String, dynamic> toMap() {
     Map<String, dynamic> jsonCharacter = {};
 
+    jsonCharacter["spec"] = "mcf_v1";
     jsonCharacter["profile"] = _profile!.path;
-
     jsonCharacter["name"] = _name;
     jsonCharacter["description"] = _description;
     jsonCharacter["personality"] = _personality;
     jsonCharacter["scenario"] = _scenario;
     jsonCharacter["use_greeting"] = _useGreeting;
     jsonCharacter["greetings"] = _greetings;
-    jsonCharacter["first_mes"] = _greetings.firstOrNull ?? "";
-    jsonCharacter["alternate_greetings"] = _greetings.isNotEmpty ? _greetings.sublist(1) : [];
     jsonCharacter["system_prompt"] = _system;
-
     jsonCharacter["use_examples"] = _useExamples;
     jsonCharacter["examples"] = _examples;
-    jsonCharacter["mes_example"] = examplesToString();
 
     return jsonCharacter;
   }
@@ -275,12 +270,28 @@ class Character extends ChangeNotifier {
     notifyListeners();
   }
 
-  Key get key => _key;
-
   Future<File> get profile async {
     return _profile ??= await Utilities.fileFromAssetImage("defaultCharacter.png");
   }
 
+  String get hash {
+    List<String> hashList = [
+      _name,
+      _description,
+      _personality,
+      _scenario,
+      _system,
+      _useGreeting.toString(),
+      _greetings.join(),
+      _useExamples.toString(),
+      _examples.join(),
+    ];
+
+    final bytes = utf8.encode(hashList.join());
+
+    return sha256.convert(bytes).toString();
+  }
+
   String get name => _name;
 
   String get description => _description;

lib/ui/mobile/pages/character/character_browser_page.dart

@@ -17,7 +17,6 @@ class CharacterBrowserPage extends StatefulWidget {
 class _CharacterBrowserPageState extends State<CharacterBrowserPage> {
   // Changed from Map to List of Character
   final List<Character> characters = [];
-  Key current = UniqueKey();
 
   @override
   void initState() {
@@ -38,20 +37,6 @@ class _CharacterBrowserPageState extends State<CharacterBrowserPage> {
     });
   }
 
-  @override
-  void dispose() {
-    _saveCharacters();
-    super.dispose();
-  }
-
-  Future<void> _saveCharacters() async {
-    final prefs = await SharedPreferences.getInstance();
-    characters.removeWhere((character) => character.key == current);
-    final String charactersJson =
-        json.encode(characters.map((character) => character.toMap()).toList());
-    await prefs.setString("characters", charactersJson);
-  }
-
   @override
   Widget build(BuildContext context) {
     return Scaffold(

lib/ui/mobile/pages/character/character_customization_page.dart

@@ -68,7 +68,11 @@ class _CharacterCustomizationPageState extends State<CharacterCustomizationPage>
               return Character.fromMap(characterMap);
             }).toList();
 
-            characters.removeWhere((listCharacter) => character.key == listCharacter.key);
+            characters.removeWhere((listCharacter) {
+              print("Character Hash: ${character.hash}");
+              print("List Character Hash: ${listCharacter.hash}");
+              return character.hash == listCharacter.hash;
+            });
             characters.insert(0, character);
 
             final String newCharactersJson =

pubspec.lock

@@ -98,7 +98,7 @@ packages:
     source: hosted
     version: "0.3.4+1"
   crypto:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: crypto
       sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.2.5+2
+version: 1.2.6+0
 
 environment:
   sdk: '>=3.0.0 <4.0.0'
@@ -30,6 +30,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  crypto: ^3.0.3
   image: ^4.1.7
   path_provider: ^2.0.2
   permission_handler: ^11.0.1
@@ -113,7 +114,7 @@ msix_config:
   display_name: Maid
   publisher_display_name: Dane Madsen
   identity_name: com.danemadsen.maid
-  msix_version: 1.2.5+2
+  msix_version: 1.2.6+0
   logo_path: assets/maid.png
 flutter_launcher_icons:
   android: "launcher_icon"