Can generate a random account image

lib/helpers/api_helper.dart

@@ -40,8 +40,9 @@ class APIHelper {
       final data = FormData.fromMap(request.args);
 
       // Process files (if required)
-      if (multipart)
-        for (var key in request.files.keys) {
+      if (multipart) {
+        // Process filesystem files
+        for (final key in request.files.keys) {
           var v = request.files[key];
           data.files.add(MapEntry(
               key,
@@ -49,6 +50,16 @@ class APIHelper {
                   filename: v.path.split("/").last)));
         }
 
+        // Process in-memory files
+        for (final key in request.bytesFiles.keys) {
+          var v = request.bytesFiles[key];
+          data.files.add(MapEntry(
+              key,
+              MultipartFile.fromBytes(v.bytes,
+                  filename: v.filename.split("/").last)));
+        }
+      }
+
       // Execute the request
       final response = await Dio().post(
         url.toString(),
@@ -64,9 +75,10 @@ class APIHelper {
         return APIResponse(response.statusCode, null);
 
       return APIResponse(response.statusCode, response.data);
-    } catch (e) {
+    } catch (e, stack) {
       print(e.toString());
       print("Could not execute a request!");
+      print(stack);
       return APIResponse(-1, null);
     }
   }

lib/helpers/settings_helper.dart

@@ -36,6 +36,13 @@ class SettingsHelper {
               .execWithFiles())
           .isOK;
 
+  /// Upload a new account image from memory
+  static Future<bool> uploadAccountImageFromMemory(List<int> bytes) async =>
+      (await APIRequest(uri: "settings/upload_account_image", needLogin: true)
+              .addBytesFile("picture", BytesFile("accountImage.png", bytes))
+              .execWithFiles())
+          .isOK;
+
   /// Change account image visibility level
   static Future<bool> setAccountImageVisibilityLevel(
           AccountImageVisibilityLevels level) async =>

lib/models/api_request.dart

@@ -10,11 +10,19 @@ import 'package:meta/meta.dart';
 ///
 /// @author Pierre HUBERT
 
+class BytesFile {
+  final String filename;
+  final List<int> bytes;
+
+  BytesFile(this.filename, this.bytes);
+}
+
 class APIRequest {
   final String uri;
   final bool needLogin;
   Map<String, String> args;
   Map<String, File> files = Map();
+  Map<String, BytesFile> bytesFiles = Map();
 
   APIRequest({@required this.uri, this.needLogin = false, this.args})
       : assert(uri != null),
@@ -42,6 +50,11 @@ class APIRequest {
     return this;
   }
 
+  APIRequest addBytesFile(String name, BytesFile file) {
+    this.bytesFiles[name] = file;
+    return this;
+  }
+
   void addArgs(Map<String, String> newArgs) => args.addAll(newArgs);
 
   /// Execute the request

lib/ui/routes/account_settings/account_image_settings.dart

@@ -6,6 +6,8 @@ import 'package:comunic/utils/files_utils.dart';
 import 'package:comunic/utils/intl_utils.dart';
 import 'package:comunic/utils/ui_utils.dart';
 import 'package:flutter/material.dart';
+import 'package:identicon/identicon.dart';
+import 'package:random_string/random_string.dart';
 import 'package:settings_ui/settings_ui.dart';
 
 /// Account image settings section
@@ -69,11 +71,18 @@ class __AccountImageSettingsBodyState extends State<_AccountImageSettingsBody> {
           width: 40,
         ),
       ),
+
       // Upload new account image
       SettingsTile(
         title: tr("Upload an account image"),
         onTap: () => _uploadAccountImage(),
       ),
+
+      // Generate a random account image
+      SettingsTile(
+        title: tr("Generate a random account image"),
+        onTap: () => _generateRandomAccountImage(),
+      ),
     ];
   }
 
@@ -95,6 +104,12 @@ class __AccountImageSettingsBodyState extends State<_AccountImageSettingsBody> {
         onTap: () => _uploadAccountImage(),
       ),
 
+      // Generate a random account image
+      SettingsTile(
+        title: tr("Generate a random account image"),
+        onTap: () => _generateRandomAccountImage(),
+      ),
+
       // Change account image visibility
       SettingsTile(
           title: tr("Change account image visibility"),
@@ -131,6 +146,20 @@ class __AccountImageSettingsBodyState extends State<_AccountImageSettingsBody> {
     _key.currentState.refresh();
   }
 
+  /// Generate a random account image
+  void _generateRandomAccountImage() async {
+    // Generate emoticon
+    final bytes = Identicon().generate(randomString(10));
+
+    if (!await SettingsHelper.uploadAccountImageFromMemory(bytes)) {
+      showSimpleSnack(
+          context, tr("Could not upload your generated account image!"));
+      return;
+    }
+
+    _key.currentState.refresh();
+  }
+
   /// Change account image visibility
   void _chooseAccountImageVisibility() async {
     final newLevel = await showDialog<AccountImageVisibilityLevels>(

pubspec.lock

@@ -142,6 +142,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.3"
+  identicon:
+    dependency: "direct main"
+    description:
+      name: identicon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1"
   image:
     dependency: transitive
     description:
@@ -233,6 +240,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.5"
+  random_string:
+    dependency: "direct main"
+    description:
+      name: random_string
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
   settings_ui:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -57,6 +57,12 @@ dependencies:
   # Build settings UI
   settings_ui: ^0.2.0
 
+  # Generate identicons
+  identicon: ^0.1.1
+
+  # Generate random strings
+  random_string: ^2.0.1
+
 dev_dependencies:
   flutter_test:
     sdk: flutter