src/GameIdeas/Client/GameIdeas.BlazorApp/Pages/Users/Gateways/IUserGateway.cs

@@ -7,4 +7,7 @@ public interface IUserGateway
 {
     Task<UserListDto> GetUsers(UserFilterParams filterParams, int currentPage);
     Task<IEnumerable<RoleDto>> GetRoles();
+    Task<string> CreateUser(UserDto user);
+    Task<string> UpdateUser(UserDto user);
+    Task<string> DeleteUser(string userId);
 }

src/GameIdeas/Client/GameIdeas.BlazorApp/Pages/Users/Gateways/UserGateway.cs

@@ -9,6 +9,32 @@ namespace GameIdeas.BlazorApp.Pages.Users.Gateways;
 
 public class UserGateway(IHttpClientService httpClient) : IUserGateway
 {
+    public async Task<string> CreateUser(UserDto user)
+    {
+        try
+        {
+            return await httpClient.PostAsync<string>(Endpoints.User.Create, user)
+                ?? throw new InvalidOperationException(ResourcesKey.ErrorCreateUser);
+        }
+        catch (Exception)
+        {
+            throw new UserCreationException(ResourcesKey.ErrorCreateUser);
+        }
+    }
+
+    public async Task<string> DeleteUser(string userId)
+    {
+        try
+        {
+            return await httpClient.DeleteAsync<string>(Endpoints.User.Delete(userId))
+                ?? throw new InvalidOperationException(ResourcesKey.ErrorDeleteUser);
+        }
+        catch (Exception)
+        {
+            throw new UserCreationException(ResourcesKey.ErrorDeleteUser);
+        }
+    }
+
     public async Task<IEnumerable<RoleDto>> GetRoles()
     {
 		try
@@ -42,4 +68,17 @@ public class UserGateway(IHttpClientService httpClient) : IUserGateway
 			throw new UserNotFoundException(ResourcesKey.ErrorFetchUsers);
 		}
     }
+
+    public async Task<string> UpdateUser(UserDto user)
+    {
+        try
+        {
+            return await httpClient.PutAsync<string>(Endpoints.User.Update(user.Id ?? string.Empty), user)
+                ?? throw new InvalidOperationException(ResourcesKey.ErrorUpdateUser);
+        }
+        catch (Exception)
+        {
+            throw new UserCreationException(ResourcesKey.ErrorUpdateUser);
+        }
+    }
 }

src/GameIdeas/Client/GameIdeas.BlazorApp/Shared/Constants/Endpoints.cs

@@ -25,5 +25,9 @@ public static class Endpoints
     {
         public static string Fetch(UserFilterDto filter) => $"api/User?{UrlHelper.BuildUrlParams(filter)}";
         public const string Roles = "api/User/Roles";
+        public const string Create = "api/User/Create";
+        public static string Delete(string userId) => $"api/User/Delete/{userId}";
+        public static string Update(string userId) => $"api/User/Update/{userId}";
+
     }
 }

src/GameIdeas/Client/GameIdeas.BlazorApp/Shared/Exceptions/UserCreationException.cs

@@ -0,0 +1,3 @@
+namespace GameIdeas.BlazorApp.Shared.Exceptions;
+
+public class UserCreationException(string message) : Exception(message);

src/GameIdeas/GameIdeas.Resources/CreateStaticResourceKey.cs

@@ -58,6 +58,9 @@ public class Translations (TranslationService translationService)
     public string ErrorFetchUsers => translationService.Translate(nameof(ErrorFetchUsers));
     public string ErrorFetchRoles => translationService.Translate(nameof(ErrorFetchRoles));
     public string MissingField => translationService.Translate(nameof(MissingField));
+    public string ErrorCreateUser => translationService.Translate(nameof(ErrorCreateUser));
+    public string ErrorUpdateUser => translationService.Translate(nameof(ErrorUpdateUser));
+    public string ErrorDeleteUser => translationService.Translate(nameof(ErrorDeleteUser));
 }
 
 public static class ResourcesKey
@@ -124,4 +127,7 @@ public static class ResourcesKey
     public static string ErrorFetchUsers => _instance?.ErrorFetchUsers ?? throw new InvalidOperationException("ResourcesKey.ErrorFetchUsers is not initialized.");
     public static string ErrorFetchRoles => _instance?.ErrorFetchRoles ?? throw new InvalidOperationException("ResourcesKey.ErrorFetchRoles is not initialized.");
     public static string MissingField => _instance?.MissingField ?? throw new InvalidOperationException("ResourcesKey.MissingField is not initialized.");
+    public static string ErrorCreateUser => _instance?.ErrorCreateUser ?? throw new InvalidOperationException("ResourcesKey.ErrorCreateUser is not initialized.");
+    public static string ErrorUpdateUser => _instance?.ErrorUpdateUser ?? throw new InvalidOperationException("ResourcesKey.ErrorUpdateUser is not initialized.");
+    public static string ErrorDeleteUser => _instance?.ErrorDeleteUser ?? throw new InvalidOperationException("ResourcesKey.ErrorDeleteUser is not initialized.");
 }

src/GameIdeas/Server/GameIdeas.WebAPI/Controllers/UserController.cs

@@ -10,7 +10,8 @@ namespace GameIdeas.WebAPI.Controllers;
 [ApiController]
 [Route("api/[controller]")]
 public class UserController(
-    IUserService userService,
+    IUserReadService userReadService,
+    IUserWriteService userWriteService,
     ILoggerFactory loggerFactory) : Controller
 {
     private readonly ILogger<UserController> logger = loggerFactory.CreateLogger<UserController>();
@@ -20,7 +21,7 @@ public class UserController(
     {
 		try
 		{
-            return Ok(await userService.Login(model));
+            return Ok(await userReadService.Login(model));
 		}
 		catch (UserInvalidException e)
 		{
@@ -45,7 +46,7 @@ public class UserController(
     {
         try
         {
-            return Ok(await userService.GetRoles());
+            return Ok(await userReadService.GetRoles());
         }
         catch (Exception e)
         {
@@ -60,7 +61,7 @@ public class UserController(
     {
         try
         {
-            return Ok(await userService.GetUsers(filter));
+            return Ok(await userReadService.GetUsers(filter));
         }
         catch (Exception e)
         {
@@ -68,4 +69,49 @@ public class UserController(
             return StatusCode(500, e.Message);
         }
     }
+
+    [Authorize(Roles = GlobalConstants.ADMINISTRATOR)]
+    [HttpPost("Create")]
+    public async Task<ActionResult<string>> CreateUser([FromBody] UserDto user)
+    {
+        try
+        {
+            return Created("/Create", await userWriteService.CreateUser(user));
+        }
+        catch (Exception e)
+        {
+            logger.LogError(e, "Internal error while create user");
+            return StatusCode(500, e.Message);
+        }
+    }
+
+    [Authorize(Roles = GlobalConstants.ADMINISTRATOR)]
+    [HttpPut("Update/{userId}")]
+    public async Task<ActionResult<string>> UpdateUser(string userId, [FromBody] UserDto user)
+    {
+        try
+        {
+            return Created("/Update", await userWriteService.UpdateUser(userId, user));
+        }
+        catch (Exception e)
+        {
+            logger.LogError(e, "Internal error while update user");
+            return StatusCode(500, e.Message);
+        }
+    }
+
+    [Authorize(Roles = GlobalConstants.ADMINISTRATOR)]
+    [HttpDelete("Delete/{userId}")]
+    public async Task<ActionResult<string>> DeleteUser(string userId)
+    {
+        try
+        {
+            return Created("/Delete", await userWriteService.DeleteUser(userId));
+        }
+        catch (Exception e)
+        {
+            logger.LogError(e, "Internal error while delete user");
+            return StatusCode(500, e.Message);
+        }
+    }
 }

src/GameIdeas/Server/GameIdeas.WebAPI/Files/GameIdeas.fr.json

@@ -34,7 +34,7 @@
     "RequestFailedStatusFormat": "Erreur lors de la réponse, code {0}",
     "ErrorFetchCategories": "Erreur lors de la récupération des catégories",
     "PlaceholderAdd": "Ajouter un nouveau",
-    "ErrorCreateGame": "Erreur lors de la Création d'un jeu",
+    "ErrorCreateGame": "Erreur lors de la création d'un jeu",
     "InvalidTitle": "Le titre est incorrect",
     "InvalidInterest": "L'interêt est incorrect",
     "Unknown": "Inconnu",
@@ -53,5 +53,8 @@
     "Roles": "Rôles",
     "ErrorFetchUsers": "Erreur lors de la récupération des utilisateurs",
     "ErrorFetchRoles": "Erreur lors de la récupération des rôles",
-    "MissingField": "Un champs est manquant"
+    "MissingField": "Un champs est manquant",
+    "ErrorCreateUser": "Erreur lors de la création d'un utilisateur",
+    "ErrorUpdateUser": "Erreur lors de la mise à jour d'un utilisateur",
+    "ErrorDeleteUser": "Erreur lors de la suppression d'un utilisateur"
 }

src/GameIdeas/Server/GameIdeas.WebAPI/Program.cs

@@ -64,7 +64,8 @@ services.AddAuthorization();
 services.AddSingleton<TranslationService>();
 services.AddSingleton<Translations>();
 
-services.AddScoped<IUserService, UserService>();
+services.AddScoped<IUserReadService, UserReadService>();
+services.AddScoped<IUserWriteService, UserWriteService>();
 services.AddScoped<IGameReadService, GameReadService>();
 services.AddScoped<IGameWriteService, GameWriteService>();
 services.AddScoped<ICategoryService, CategoryService>();

src/GameIdeas/Server/GameIdeas.WebAPI/Services/Users/IUserReadService.cs

@@ -2,7 +2,7 @@
 
 namespace GameIdeas.WebAPI.Services.Users;
 
-public interface IUserService
+public interface IUserReadService
 {
     Task<TokenDto> Login(UserDto user);
     Task<IEnumerable<RoleDto>> GetRoles();

src/GameIdeas/Server/GameIdeas.WebAPI/Services/Users/IUserWriteService.cs

@@ -0,0 +1,10 @@
+using GameIdeas.Shared.Dto;
+
+namespace GameIdeas.WebAPI.Services.Users;
+
+public interface IUserWriteService
+{
+    Task<string> CreateUser(UserDto user);
+    Task<string> UpdateUser(string userId, UserDto user);
+    Task<string> DeleteUser(string userId);
+}

src/GameIdeas/Server/GameIdeas.WebAPI/Services/Users/UserReadService.cs

@@ -14,10 +14,10 @@ using System.Text;
 
 namespace GameIdeas.WebAPI.Services.Users;
 
-public class UserService(
+public class UserReadService(
     UserManager<User> userManager,
     GameIdeasContext context,
-    IMapper mapper) : IUserService
+    IMapper mapper) : IUserReadService
 {
     public async Task<IEnumerable<RoleDto>> GetRoles()
     {

src/GameIdeas/Server/GameIdeas.WebAPI/Services/Users/UserWriteService.cs

@@ -0,0 +1,83 @@
+using AutoMapper;
+using GameIdeas.Resources;
+using GameIdeas.Shared.Dto;
+using GameIdeas.Shared.Model;
+using GameIdeas.WebAPI.Exceptions;
+using Microsoft.AspNetCore.Identity;
+
+namespace GameIdeas.WebAPI.Services.Users;
+
+public class UserWriteService(
+    UserManager<User> userManager) : IUserWriteService
+{
+    public async Task<string> CreateUser(UserDto user)
+    {
+        if (user.Username == null || 
+            user.Password == null || 
+            user.Role == null)
+        {
+            throw new UserInvalidException(ResourcesKey.MissingField);
+        }
+
+        User userToCreate = new() { UserName = user.Username };
+
+        var result = await userManager.CreateAsync(userToCreate, user.Password);
+
+        if (result.Succeeded)
+        {
+            await userManager.AddToRoleAsync(userToCreate, user.Role.Name);
+        }
+        else
+        {
+            throw new UserInvalidException(string.Join("; ", result.Errors));
+        }
+
+        return userToCreate.Id;
+    }
+
+    public async Task<string> DeleteUser(string userId)
+    {
+        if (userId == null)
+        {
+            throw new ArgumentNullException(ResourcesKey.MissingField);
+        }
+
+        var user = await userManager.FindByIdAsync(userId)
+            ?? throw new UserInvalidException("User not found");
+
+        await userManager.DeleteAsync(user);
+        return userId;
+    }
+
+    public async Task<string> UpdateUser(string userId, UserDto user)
+    {
+        if (userId == null)
+        {
+            throw new ArgumentNullException(ResourcesKey.MissingField);
+        }
+
+        var userToUpdate = await userManager.FindByIdAsync(userId)
+            ?? throw new UserInvalidException("User not found");
+
+        if (user.Username != null)
+        {
+            userToUpdate.UserName = user.Username;
+            await userManager.UpdateAsync(userToUpdate);
+        }
+
+        if (user.Password != null)
+        {
+            await userManager.RemovePasswordAsync(userToUpdate);
+            await userManager.AddPasswordAsync(userToUpdate, user.Password);
+        }
+
+        if (user.Role != null)
+        {
+            var roles = await userManager.GetRolesAsync(userToUpdate);
+            await userManager.RemoveFromRolesAsync(userToUpdate, roles);
+            await userManager.AddToRoleAsync(userToUpdate, user.Role.Name);  
+        }
+
+        return userToUpdate.Id;
+    }
+}