diff --git a/Sources/justMUSIC/lib/components/editable_post_component.dart b/Sources/justMUSIC/lib/components/editable_post_component.dart
index b25b1c8..7cf202f 100644
--- a/Sources/justMUSIC/lib/components/editable_post_component.dart
+++ b/Sources/justMUSIC/lib/components/editable_post_component.dart
@@ -1,113 +1,113 @@
-import 'package:auto_size_text/auto_size_text.dart';
-import 'package:flutter/Material.dart';
-import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:google_fonts/google_fonts.dart';
-import 'package:justmusic/values/constants.dart';
-
-class EditablePostComponent extends StatefulWidget {
-  const EditablePostComponent({Key? key}) : super(key: key);
-
-  @override
-  State<EditablePostComponent> createState() => _EditablePostComponentState();
-}
-
-class _EditablePostComponentState extends State<EditablePostComponent> {
-  @override
-  Widget build(BuildContext context) {
-    return ClipRRect(
-        borderRadius: BorderRadius.circular(25),
-        child: Container(
-          constraints: BoxConstraints(maxWidth: 400),
-          width: double.infinity,
-          color: warningBttnColor,
-          child: Column(
-            children: [
-              AspectRatio(
-                aspectRatio: 1 / 1,
-                child: Container(
-                  decoration: BoxDecoration(
-                    // add border
-                    border: Border.all(width: 3.0, color: grayColor),
-                    // set border radius
-                    borderRadius: BorderRadius.circular(20),
-                  ),
-                  child: ClipRRect(
-                    borderRadius: BorderRadius.circular(18),
-                    // implement image
-                    child: const Image(
-                      image: AssetImage("assets/images/exemple_cover.png"),
-                      fit: BoxFit.cover,
-                      width: double.infinity,
-                    ),
-                  ),
-                ),
-              ),
-              Padding(
-                padding: EdgeInsets.fromLTRB(15, 25, 15, 25),
-                child: Row(
-                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                  children: [
-                    AutoSizeText(
-                      "France, Lyon",
-                      style: GoogleFonts.plusJakartaSans(
-                          color: Colors.white, fontSize: 13.sp),
-                      maxFontSize: 20,
-                    ),
-                    Image(
-                      image: AssetImage("assets/images/camera_icon.png"),
-                      width: 30,
-                    ),
-                    AutoSizeText(
-                      "10 Juil. 2023",
-                      style: GoogleFonts.plusJakartaSans(
-                          color: Colors.white, fontSize: 13.sp),
-                      maxFontSize: 20,
-                    ),
-                  ],
-                ),
-              ),
-              Padding(
-                  padding: EdgeInsets.fromLTRB(15, 0, 10, 25),
-                  child: SizedBox(
-                    width: double.infinity,
-                    child: TextFormField(
-                      keyboardAppearance: Brightness.dark,
-                      minLines: 1,
-                      cursorColor: primaryColor,
-                      style: GoogleFonts.plusJakartaSans(
-                          color: Colors.white,
-                          fontSize: 13,
-                          fontWeight: FontWeight.w300),
-                      maxLines: 4,
-                      maxLength: 120,
-                      decoration: InputDecoration(
-                        counterStyle: GoogleFonts.plusJakartaSans(
-                            color: grayText, fontSize: 9),
-                        focusedBorder: const OutlineInputBorder(
-                            borderSide:
-                                BorderSide(width: 0, color: Colors.transparent),
-                            borderRadius:
-                                BorderRadius.all(Radius.circular(10))),
-                        contentPadding:
-                            const EdgeInsets.only(top: 0, bottom: 0, left: 0),
-                        fillColor: Colors.transparent,
-                        filled: true,
-                        focusColor: Colors.transparent,
-                        enabledBorder: const OutlineInputBorder(
-                            borderSide:
-                                BorderSide(width: 0, color: Colors.transparent),
-                            borderRadius:
-                                BorderRadius.all(Radius.circular(10))),
-                        hintText: 'Description...',
-                        hintStyle: GoogleFonts.plusJakartaSans(
-                            color: grayText,
-                            fontSize: 13,
-                            fontWeight: FontWeight.w300),
-                      ),
-                    ),
-                  )),
-            ],
-          ),
-        ));
-  }
-}
+import 'package:auto_size_text/auto_size_text.dart';
+import 'package:flutter/Material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:justmusic/values/constants.dart';
+
+class EditablePostComponent extends StatefulWidget {
+  const EditablePostComponent({Key? key}) : super(key: key);
+
+  @override
+  State<EditablePostComponent> createState() => _EditablePostComponentState();
+}
+
+class _EditablePostComponentState extends State<EditablePostComponent> {
+  @override
+  Widget build(BuildContext context) {
+    return ClipRRect(
+        borderRadius: BorderRadius.circular(25),
+        child: Container(
+          constraints: BoxConstraints(maxWidth: 400),
+          width: double.infinity,
+          color: warningBttnColor,
+          child: Column(
+            children: [
+              AspectRatio(
+                aspectRatio: 1 / 1,
+                child: Container(
+                  decoration: BoxDecoration(
+                    // add border
+                    border: Border.all(width: 3.0, color: grayColor),
+                    // set border radius
+                    borderRadius: BorderRadius.circular(20),
+                  ),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(18),
+                    // implement image
+                    child: const Image(
+                      image: AssetImage("assets/images/exemple_cover.png"),
+                      fit: BoxFit.cover,
+                      width: double.infinity,
+                    ),
+                  ),
+                ),
+              ),
+              Padding(
+                padding: EdgeInsets.fromLTRB(15, 25, 15, 25),
+                child: Row(
+                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                  children: [
+                    AutoSizeText(
+                      "France, Lyon",
+                      style: GoogleFonts.plusJakartaSans(
+                          color: Colors.white, fontSize: 13.sp),
+                      maxFontSize: 20,
+                    ),
+                    Image(
+                      image: AssetImage("assets/images/camera_icon.png"),
+                      width: 30,
+                    ),
+                    AutoSizeText(
+                      "10 Juil. 2023",
+                      style: GoogleFonts.plusJakartaSans(
+                          color: Colors.white, fontSize: 13.sp),
+                      maxFontSize: 20,
+                    ),
+                  ],
+                ),
+              ),
+              Padding(
+                  padding: EdgeInsets.fromLTRB(15, 0, 10, 25),
+                  child: SizedBox(
+                    width: double.infinity,
+                    child: TextFormField(
+                      keyboardAppearance: Brightness.dark,
+                      minLines: 1,
+                      cursorColor: primaryColor,
+                      style: GoogleFonts.plusJakartaSans(
+                          color: Colors.white,
+                          fontSize: 13,
+                          fontWeight: FontWeight.w300),
+                      maxLines: 4,
+                      maxLength: 120,
+                      decoration: InputDecoration(
+                        counterStyle: GoogleFonts.plusJakartaSans(
+                            color: grayText, fontSize: 9),
+                        focusedBorder: const OutlineInputBorder(
+                            borderSide:
+                                BorderSide(width: 0, color: Colors.transparent),
+                            borderRadius:
+                                BorderRadius.all(Radius.circular(10))),
+                        contentPadding:
+                            const EdgeInsets.only(top: 0, bottom: 0, left: 0),
+                        fillColor: Colors.transparent,
+                        filled: true,
+                        focusColor: Colors.transparent,
+                        enabledBorder: const OutlineInputBorder(
+                            borderSide:
+                                BorderSide(width: 0, color: Colors.transparent),
+                            borderRadius:
+                                BorderRadius.all(Radius.circular(10))),
+                        hintText: 'Description...',
+                        hintStyle: GoogleFonts.plusJakartaSans(
+                            color: grayText,
+                            fontSize: 13,
+                            fontWeight: FontWeight.w300),
+                      ),
+                    ),
+                  )),
+            ],
+          ),
+        ));
+  }
+}
diff --git a/Sources/justMUSIC/lib/model/mapper/UserMapper.dart b/Sources/justMUSIC/lib/model/mapper/UserMapper.dart
index 58a3f15..8ef5bbc 100644
--- a/Sources/justMUSIC/lib/model/mapper/UserMapper.dart
+++ b/Sources/justMUSIC/lib/model/mapper/UserMapper.dart
@@ -7,7 +7,7 @@ class UserMapper {
     final data = snapshot.data();
     return User(
         data?["uid"] ?? "",
-        data?["pseudo"] ?? "",
+        data?["unique_id"] ?? "",
         data?["country"] ?? "",
         data?["mail"] ?? "",
         data?["profilePicture"] ?? "",
diff --git a/Sources/justMUSIC/lib/screens/post_screen.dart b/Sources/justMUSIC/lib/screens/post_screen.dart
index e6a625b..574eac8 100644
--- a/Sources/justMUSIC/lib/screens/post_screen.dart
+++ b/Sources/justMUSIC/lib/screens/post_screen.dart
@@ -1,126 +1,126 @@
-import 'dart:ui';
-import 'package:flutter/Material.dart';
-import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:justmusic/components/back_button.dart';
-import 'package:justmusic/screens/search_song_screen.dart';
-import '../components/editable_post_component.dart';
-import '../components/post_button_component.dart';
-import '../values/constants.dart';
-
-class PostScreen extends StatefulWidget {
-  const PostScreen({Key? key}) : super(key: key);
-
-  @override
-  State<PostScreen> createState() => _PostScreenState();
-}
-
-class _PostScreenState extends State<PostScreen>
-    with SingleTickerProviderStateMixin {
-  final scrollController = ScrollController();
-  late AnimationController _controller;
-  late Animation<double> _animation;
-
-  @override
-  void initState() {
-    _controller = AnimationController(
-      vsync: this,
-      duration: const Duration(milliseconds: 400),
-    );
-
-    _animation = Tween<double>(begin: 0.0, end: 400.0).animate(
-      CurvedAnimation(
-        parent: _controller,
-        curve: Curves.easeOut,
-      ),
-    );
-    super.initState();
-  }
-
-  void openDetailPost() {
-    showModalBottomSheet(
-      transitionAnimationController: _controller,
-      barrierColor: Colors.black.withOpacity(0.7),
-      backgroundColor: Colors.transparent,
-      elevation: 1,
-      constraints: const BoxConstraints(
-        maxWidth: 600,
-      ),
-      isScrollControlled: true,
-      context: context,
-      shape: const RoundedRectangleBorder(
-          borderRadius: BorderRadius.only(
-              topLeft: Radius.circular(20), topRight: Radius.circular(20))),
-      builder: ((context) {
-        return const ClipRRect(
-            borderRadius: BorderRadius.only(
-                topLeft: Radius.circular(20), topRight: Radius.circular(20)),
-            child: SearchSongScreen());
-      }),
-    );
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      resizeToAvoidBottomInset: true,
-      backgroundColor: bgColor,
-      extendBodyBehindAppBar: true,
-      appBar: PreferredSize(
-        preferredSize: Size(double.infinity, 80),
-        child: SafeArea(
-          child: Padding(
-            padding: const EdgeInsets.only(
-                left: defaultPadding,
-                right: defaultPadding,
-                top: defaultPadding),
-            child: Row(
-              children: [BackButtonComponent()],
-            ),
-          ),
-        ),
-      ),
-      body: Container(
-        padding:
-            const EdgeInsets.only(left: defaultPadding, right: defaultPadding),
-        width: double.infinity,
-        height: double.infinity,
-        decoration: const BoxDecoration(
-          image: DecorationImage(
-            image: AssetImage("assets/images/background_justMusic.png"),
-            fit: BoxFit.cover,
-          ),
-        ),
-        child: Stack(
-          alignment: Alignment.topCenter,
-          children: [
-            ScrollConfiguration(
-              behavior: ScrollBehavior().copyWith(scrollbars: false),
-              child: SingleChildScrollView(
-                controller: scrollController,
-                child: Column(
-                  mainAxisAlignment: MainAxisAlignment.end,
-                  children: [
-                    SizedBox(
-                      height: 100.h,
-                    ),
-                    GestureDetector(
-                      onTap: openDetailPost,
-                      child: EditablePostComponent(),
-                    ),
-                    SizedBox(
-                      height: 40.h,
-                    ),
-                    PostButtonComponent(),
-                    SizedBox(
-                      height: 40.h,
-                    ),
-                  ],
-                ),
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-}
+import 'dart:ui';
+import 'package:flutter/Material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:justmusic/components/back_button.dart';
+import 'package:justmusic/screens/search_song_screen.dart';
+import '../components/editable_post_component.dart';
+import '../components/post_button_component.dart';
+import '../values/constants.dart';
+
+class PostScreen extends StatefulWidget {
+  const PostScreen({Key? key}) : super(key: key);
+
+  @override
+  State<PostScreen> createState() => _PostScreenState();
+}
+
+class _PostScreenState extends State<PostScreen>
+    with SingleTickerProviderStateMixin {
+  final scrollController = ScrollController();
+  late AnimationController _controller;
+  late Animation<double> _animation;
+
+  @override
+  void initState() {
+    _controller = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 400),
+    );
+
+    _animation = Tween<double>(begin: 0.0, end: 400.0).animate(
+      CurvedAnimation(
+        parent: _controller,
+        curve: Curves.easeOut,
+      ),
+    );
+    super.initState();
+  }
+
+  void openDetailPost() {
+    showModalBottomSheet(
+      transitionAnimationController: _controller,
+      barrierColor: Colors.black.withOpacity(0.7),
+      backgroundColor: Colors.transparent,
+      elevation: 1,
+      constraints: const BoxConstraints(
+        maxWidth: 600,
+      ),
+      isScrollControlled: true,
+      context: context,
+      shape: const RoundedRectangleBorder(
+          borderRadius: BorderRadius.only(
+              topLeft: Radius.circular(20), topRight: Radius.circular(20))),
+      builder: ((context) {
+        return const ClipRRect(
+            borderRadius: BorderRadius.only(
+                topLeft: Radius.circular(20), topRight: Radius.circular(20)),
+            child: SearchSongScreen());
+      }),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      resizeToAvoidBottomInset: true,
+      backgroundColor: bgColor,
+      extendBodyBehindAppBar: true,
+      appBar: PreferredSize(
+        preferredSize: Size(double.infinity, 80),
+        child: SafeArea(
+          child: Padding(
+            padding: const EdgeInsets.only(
+                left: defaultPadding,
+                right: defaultPadding,
+                top: defaultPadding),
+            child: Row(
+              children: [BackButtonComponent()],
+            ),
+          ),
+        ),
+      ),
+      body: Container(
+        padding:
+            const EdgeInsets.only(left: defaultPadding, right: defaultPadding),
+        width: double.infinity,
+        height: double.infinity,
+        decoration: const BoxDecoration(
+          image: DecorationImage(
+            image: AssetImage("assets/images/background_justMusic.png"),
+            fit: BoxFit.cover,
+          ),
+        ),
+        child: Stack(
+          alignment: Alignment.topCenter,
+          children: [
+            ScrollConfiguration(
+              behavior: ScrollBehavior().copyWith(scrollbars: false),
+              child: SingleChildScrollView(
+                controller: scrollController,
+                child: Column(
+                  mainAxisAlignment: MainAxisAlignment.end,
+                  children: [
+                    SizedBox(
+                      height: 100.h,
+                    ),
+                    GestureDetector(
+                      onTap: openDetailPost,
+                      child: EditablePostComponent(),
+                    ),
+                    SizedBox(
+                      height: 40.h,
+                    ),
+                    PostButtonComponent(),
+                    SizedBox(
+                      height: 40.h,
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
diff --git a/Sources/justMUSIC/lib/screens/profile_screen.dart b/Sources/justMUSIC/lib/screens/profile_screen.dart
index 896cd91..a362d35 100644
--- a/Sources/justMUSIC/lib/screens/profile_screen.dart
+++ b/Sources/justMUSIC/lib/screens/profile_screen.dart
@@ -1,146 +1,146 @@
-import 'package:flutter/cupertino.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter_screenutil/flutter_screenutil.dart';
-import 'package:google_fonts/google_fonts.dart';
-import 'package:justmusic/values/icons.dart';
-import '../components/profile_component.dart';
-import '../components/setting_part_component.dart';
-import '../main.dart';
-import '../values/constants.dart';
-
-class ProfileScreen extends StatefulWidget {
-  const ProfileScreen({Key? key}) : super(key: key);
-
-  @override
-  State<ProfileScreen> createState() => _ProfileScreenState();
-}
-
-class _ProfileScreenState extends State<ProfileScreen> {
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: PreferredSize(
-        preferredSize: Size(double.infinity, 58),
-        child: Container(
-          height: double.infinity,
-          color: bgAppBar,
-          child: Padding(
-            padding: const EdgeInsets.symmetric(horizontal: defaultPadding),
-            child: Stack(
-              alignment: Alignment.centerLeft,
-              children: [
-                GestureDetector(
-                    onTap: () {
-                      Navigator.pop(context);
-                    },
-                    child: Container(
-                      height: 15,
-                      width: 15,
-                      child: Image(
-                        image: AssetImage("assets/images/return_icon.png"),
-                        height: 8,
-                      ),
-                    )),
-                Align(
-                  child: Text(
-                    "Profile",
-                    style: GoogleFonts.plusJakartaSans(
-                        color: Colors.white,
-                        fontSize: 14,
-                        fontWeight: FontWeight.bold),
-                  ),
-                )
-              ],
-            ),
-          ),
-        ),
-      ),
-      body: Container(
-        width: double.infinity,
-        height: double.infinity,
-        color: bgColor,
-        child: SingleChildScrollView(
-          child: Padding(
-            padding: const EdgeInsets.symmetric(horizontal: settingPadding),
-            child: Column(
-              mainAxisAlignment: MainAxisAlignment.start,
-              crossAxisAlignment: CrossAxisAlignment.start,
-              children: [
-                Padding(
-                  padding: EdgeInsets.only(top: 68.h, bottom: 40),
-                  child:
-                      ProfileComponent(user: MyApp.userViewModel.userCurrent),
-                ),
-                Padding(
-                  padding:
-                      const EdgeInsets.only(bottom: 12, left: defaultPadding),
-                  child: Text(
-                    "Compte",
-                    style: GoogleFonts.plusJakartaSans(
-                        color: grayText,
-                        fontWeight: FontWeight.w800,
-                        fontSize: 16),
-                  ),
-                ),
-                ClipRRect(
-                  borderRadius: BorderRadius.circular(8),
-                  child: Column(
-                    children: const [
-                      SettingPartComponent(
-                        icon: JustMusicIcon.profile,
-                        label: 'Compte',
-                      ),
-                      SettingPartComponent(
-                        icon: JustMusicIcon.history,
-                        label: 'Historiques des capsules',
-                      ),
-                      SettingPartComponent(
-                        icon: JustMusicIcon.spotify,
-                        label: 'Lier un compte Spotify',
-                      ),
-                      SettingPartComponent(
-                        icon: JustMusicIcon.trash,
-                        label: 'Supprimer mon compte',
-                      ),
-                      SettingPartComponent(
-                        icon: JustMusicIcon.cross,
-                        label: 'Déconnexion',
-                        important: true,
-                      ),
-                    ],
-                  ),
-                ),
-                Padding(
-                  padding: const EdgeInsets.only(
-                      bottom: 12, left: defaultPadding, top: 40),
-                  child: Text(
-                    "Préférences",
-                    style: GoogleFonts.plusJakartaSans(
-                        color: grayText,
-                        fontWeight: FontWeight.w800,
-                        fontSize: 16),
-                  ),
-                ),
-                ClipRRect(
-                  borderRadius: BorderRadius.circular(8),
-                  child: Column(
-                    children: const [
-                      SettingPartComponent(
-                        icon: JustMusicIcon.theme,
-                        label: 'Thême de l\'application',
-                      ),
-                      SettingPartComponent(
-                        icon: JustMusicIcon.notification,
-                        label: 'Notifications',
-                      ),
-                    ],
-                  ),
-                )
-              ],
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-}
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:justmusic/values/icons.dart';
+import '../components/profile_component.dart';
+import '../components/setting_part_component.dart';
+import '../main.dart';
+import '../values/constants.dart';
+
+class ProfileScreen extends StatefulWidget {
+  const ProfileScreen({Key? key}) : super(key: key);
+
+  @override
+  State<ProfileScreen> createState() => _ProfileScreenState();
+}
+
+class _ProfileScreenState extends State<ProfileScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: PreferredSize(
+        preferredSize: Size(double.infinity, 58),
+        child: Container(
+          height: double.infinity,
+          color: bgAppBar,
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: defaultPadding),
+            child: Stack(
+              alignment: Alignment.centerLeft,
+              children: [
+                GestureDetector(
+                    onTap: () {
+                      Navigator.pop(context);
+                    },
+                    child: Container(
+                      height: 15,
+                      width: 15,
+                      child: Image(
+                        image: AssetImage("assets/images/return_icon.png"),
+                        height: 8,
+                      ),
+                    )),
+                Align(
+                  child: Text(
+                    "Profile",
+                    style: GoogleFonts.plusJakartaSans(
+                        color: Colors.white,
+                        fontSize: 14,
+                        fontWeight: FontWeight.bold),
+                  ),
+                )
+              ],
+            ),
+          ),
+        ),
+      ),
+      body: Container(
+        width: double.infinity,
+        height: double.infinity,
+        color: bgColor,
+        child: SingleChildScrollView(
+          child: Padding(
+            padding: const EdgeInsets.symmetric(horizontal: settingPadding),
+            child: Column(
+              mainAxisAlignment: MainAxisAlignment.start,
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                Padding(
+                  padding: EdgeInsets.only(top: 68.h, bottom: 40),
+                  child:
+                      ProfileComponent(user: MyApp.userViewModel.userCurrent),
+                ),
+                Padding(
+                  padding:
+                      const EdgeInsets.only(bottom: 12, left: defaultPadding),
+                  child: Text(
+                    "Compte",
+                    style: GoogleFonts.plusJakartaSans(
+                        color: grayText,
+                        fontWeight: FontWeight.w800,
+                        fontSize: 16),
+                  ),
+                ),
+                ClipRRect(
+                  borderRadius: BorderRadius.circular(8),
+                  child: Column(
+                    children: const [
+                      SettingPartComponent(
+                        icon: JustMusicIcon.profile,
+                        label: 'Compte',
+                      ),
+                      SettingPartComponent(
+                        icon: JustMusicIcon.history,
+                        label: 'Historiques des capsules',
+                      ),
+                      SettingPartComponent(
+                        icon: JustMusicIcon.spotify,
+                        label: 'Lier un compte Spotify',
+                      ),
+                      SettingPartComponent(
+                        icon: JustMusicIcon.trash,
+                        label: 'Supprimer mon compte',
+                      ),
+                      SettingPartComponent(
+                        icon: JustMusicIcon.cross,
+                        label: 'Déconnexion',
+                        important: true,
+                      ),
+                    ],
+                  ),
+                ),
+                Padding(
+                  padding: const EdgeInsets.only(
+                      bottom: 12, left: defaultPadding, top: 40),
+                  child: Text(
+                    "Préférences",
+                    style: GoogleFonts.plusJakartaSans(
+                        color: grayText,
+                        fontWeight: FontWeight.w800,
+                        fontSize: 16),
+                  ),
+                ),
+                ClipRRect(
+                  borderRadius: BorderRadius.circular(8),
+                  child: Column(
+                    children: const [
+                      SettingPartComponent(
+                        icon: JustMusicIcon.theme,
+                        label: 'Thême de l\'application',
+                      ),
+                      SettingPartComponent(
+                        icon: JustMusicIcon.notification,
+                        label: 'Notifications',
+                      ),
+                    ],
+                  ),
+                )
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}
diff --git a/Sources/justMUSIC/lib/service/AuthService.dart b/Sources/justMUSIC/lib/service/AuthService.dart
index 65828fc..d7e39fa 100644
--- a/Sources/justMUSIC/lib/service/AuthService.dart
+++ b/Sources/justMUSIC/lib/service/AuthService.dart
@@ -1,3 +1,4 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:firebase_auth/firebase_auth.dart';
 import '../main.dart';
 
@@ -9,10 +10,13 @@ class AuthService {
         password: password,
       );
 
+      String uniqueId = await generateUniqueId(pseudo);
+
       final user = <String, dynamic>{
         "mail": email,
         "pseudo": pseudo,
         "phone_number": "",
+        "unique_id": uniqueId,
         "picture":
             "https://media.licdn.com/dms/image/D4E03AQHvc_b89ogFtQ/profile-displayphoto-shrink_400_400/0/1665060931103?e=1695859200&v=beta&t=wVLbxqeokYiPJ13nJ3SMq97iZvcm3ra0ufWFZCSzhjg",
         "friends": []
@@ -36,6 +40,22 @@ class AuthService {
     }
   }
 
+  Future<String> generateUniqueId(String pseudo) async {
+    String uniqueId = '$pseudo#0001';
+    int suffix = 1;
+    final CollectionReference usersCollection =
+        FirebaseFirestore.instance.collection("users");
+    final QuerySnapshot querySnapshot =
+        await usersCollection.where('pseudo', isEqualTo: pseudo).get();
+
+    for (final doc in querySnapshot.docs) {
+      suffix++;
+      uniqueId = '$pseudo#${suffix.toString().padLeft(4, '0')}';
+    }
+
+    return uniqueId;
+  }
+
   login(String email, String password) async {
     try {
       await FirebaseAuth.instance
diff --git a/Sources/justMUSIC/lib/values/constants.dart b/Sources/justMUSIC/lib/values/constants.dart
index f29ef36..60f494f 100644
--- a/Sources/justMUSIC/lib/values/constants.dart
+++ b/Sources/justMUSIC/lib/values/constants.dart
@@ -1,26 +1,26 @@
-import 'package:flutter/material.dart';
-
-// All needed color in the project
-
-const primaryColor = Color(0xFF643BF4);
-const secondaryColor = Color(0xFF1C1B23);
-const bgColor = Color(0xFF0C0C0C);
-const grayColor = Color(0xFF242424);
-const profileBttnColor = Color(0xFF232323);
-const warningBttnColor = Color(0xFF141414);
-const disabledBttnColor = Color(0xFF1F1B2E);
-const bgTextField = Color(0xFF1C1B23);
-const strokeTextField = Color(0xFF373546);
-const unactiveFeed = Color(0xFF848484);
-const gradiantPost = Color(0xFF0D0D0D);
-const bgModal = Color(0xFF1E1E1E);
-const textFieldMessage = Color(0xFF232323);
-const bgComment = Color(0xFF222222);
-const bgAppBar = Color(0xFF181818);
-const grayText = Color(0xFF898989);
-const settingColor = Color(0xFF232323);
-const searchBarColor = Color(0xFF161616);
-// All constants important too us
-
-const defaultPadding = 30.0;
-const settingPadding = 12.0;
+import 'package:flutter/material.dart';
+
+// All needed color in the project
+
+const primaryColor = Color(0xFF643BF4);
+const secondaryColor = Color(0xFF1C1B23);
+const bgColor = Color(0xFF0C0C0C);
+const grayColor = Color(0xFF242424);
+const profileBttnColor = Color(0xFF232323);
+const warningBttnColor = Color(0xFF141414);
+const disabledBttnColor = Color(0xFF1F1B2E);
+const bgTextField = Color(0xFF1C1B23);
+const strokeTextField = Color(0xFF373546);
+const unactiveFeed = Color(0xFF848484);
+const gradiantPost = Color(0xFF0D0D0D);
+const bgModal = Color(0xFF1E1E1E);
+const textFieldMessage = Color(0xFF232323);
+const bgComment = Color(0xFF222222);
+const bgAppBar = Color(0xFF181818);
+const grayText = Color(0xFF898989);
+const settingColor = Color(0xFF232323);
+const searchBarColor = Color(0xFF161616);
+// All constants important too us
+
+const defaultPadding = 30.0;
+const settingPadding = 12.0;
diff --git a/Sources/justMUSIC/lib/view_model/UserViewModel.dart b/Sources/justMUSIC/lib/view_model/UserViewModel.dart
index d793449..5d41ebc 100644
--- a/Sources/justMUSIC/lib/view_model/UserViewModel.dart
+++ b/Sources/justMUSIC/lib/view_model/UserViewModel.dart
@@ -37,9 +37,18 @@ class UserViewModel {
     }
   }
 
+  bool _isAlphaNumeric(String input) {
+    final RegExp alphaNumericRegExp = RegExp(r'^[a-zA-Z0-9]+$');
+    return alphaNumericRegExp.hasMatch(input);
+  }
+
   register(String pseudo, String password, String email) async {
+    if (!_isAlphaNumeric(pseudo)) {
+      throw ("Le pseudo doit contenir seulement des lettres et des chiffres");
+    }
+
     try {
-      await _authService.register(pseudo, email, password);
+      await _authService.register(pseudo.toLowerCase(), email, password);
       final user = await MyApp.db
           .collection("users")
           .doc(firebase_auth.FirebaseAuth.instance.currentUser?.uid)
diff --git a/Sources/justMUSIC/pubspec.lock b/Sources/justMUSIC/pubspec.lock
index 5a37499..f42c1e9 100644
--- a/Sources/justMUSIC/pubspec.lock
+++ b/Sources/justMUSIC/pubspec.lock
@@ -13,10 +13,10 @@ packages:
     dependency: transitive
     description:
       name: async
-      sha256: bfe67ef28df125b7dddcea62755991f807aa39a2492a23e1550161692950bbe0
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
       url: "https://pub.dev"
     source: hosted
-    version: "2.10.0"
+    version: "2.11.0"
   audioplayers:
     dependency: "direct main"
     description:
@@ -93,10 +93,10 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: e6a326c8af69605aec75ed6c187d06b349707a27fbff8222ca9cc2cff167975c
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.1"
+    version: "1.3.0"
   circular_reveal_animation:
     dependency: "direct main"
     description:
@@ -141,10 +141,10 @@ packages:
     dependency: transitive
     description:
       name: collection
-      sha256: cfc915e6923fe5ce6e153b0723c753045de46de1b4d63771530504004a45fae0
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.17.1"
   crypto:
     dependency: transitive
     description:
@@ -348,10 +348,10 @@ packages:
     dependency: transitive
     description:
       name: js
-      sha256: "5528c2f391ededb7775ec1daa69e65a2d61276f7552de2b5f7b8d34ee9fd4ab7"
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
       url: "https://pub.dev"
     source: hosted
-    version: "0.6.5"
+    version: "0.6.7"
   lints:
     dependency: transitive
     description:
@@ -364,10 +364,10 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: "16db949ceee371e9b99d22f88fa3a73c4e59fd0afed0bd25fc336eb76c198b72"
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.13"
+    version: "0.12.15"
   material_color_utilities:
     dependency: transitive
     description:
@@ -380,10 +380,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: "6c268b42ed578a53088d834796959e4a1814b5e9e164f147f580a386e5decf42"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.0"
+    version: "1.9.1"
   modal_bottom_sheet:
     dependency: "direct main"
     description:
@@ -396,10 +396,10 @@ packages:
     dependency: transitive
     description:
       name: path
-      sha256: db9d4f58c908a4ba5953fcee2ae317c94889433e5024c27ce74a37f94267945b
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
       url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.3"
   path_provider:
     dependency: transitive
     description:
@@ -529,10 +529,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ad540f65f92caa91bf21dfc8ffb8c589d6e4dc0c2267818b4cc2792857706206
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
       url: "https://pub.dev"
     source: hosted
-    version: "0.4.16"
+    version: "0.5.1"
   text_scroll:
     dependency: "direct main"
     description:
@@ -598,5 +598,5 @@ packages:
     source: hosted
     version: "1.1.0"
 sdks:
-  dart: ">=2.18.2 <3.0.0"
+  dart: ">=3.0.0-0 <4.0.0"
   flutter: ">=3.3.0"