From ac769e656b122ff569c3f1534701b71e00fed586 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 Timeline/Services/UserDeleteService.cs | 69 ----------------------------------
 1 file changed, 69 deletions(-)
 delete mode 100644 Timeline/Services/UserDeleteService.cs

(limited to 'Timeline/Services/UserDeleteService.cs')

diff --git a/Timeline/Services/UserDeleteService.cs b/Timeline/Services/UserDeleteService.cs
deleted file mode 100644
index 845de573..00000000
--- a/Timeline/Services/UserDeleteService.cs
+++ /dev/null
@@ -1,69 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Globalization;
-using System.Linq;
-using System.Threading.Tasks;
-using Timeline.Entities;
-using Timeline.Helpers;
-using Timeline.Models.Validation;
-using static Timeline.Resources.Services.UserService;
-
-namespace Timeline.Services
-{
-    public interface IUserDeleteService
-    {
-        /// <summary>
-        /// Delete a user of given username.
-        /// </summary>
-        /// <param name="username">Username of the user to delete. Can't be null.</param>
-        /// <returns>True if user is deleted, false if user not exist.</returns>
-        /// <exception cref="ArgumentNullException">Thrown if <paramref name="username"/> is null.</exception>
-        /// <exception cref="ArgumentException">Thrown when <paramref name="username"/> is of bad format.</exception>
-        Task<bool> DeleteUser(string username);
-    }
-
-    public class UserDeleteService : IUserDeleteService
-    {
-        private readonly ILogger<UserDeleteService> _logger;
-
-        private readonly DatabaseContext _databaseContext;
-
-        private readonly ITimelineService _timelineService;
-
-        private readonly UsernameValidator _usernameValidator = new UsernameValidator();
-
-        public UserDeleteService(ILogger<UserDeleteService> logger, DatabaseContext databaseContext, ITimelineService timelineService)
-        {
-            _logger = logger;
-            _databaseContext = databaseContext;
-            _timelineService = timelineService;
-        }
-
-        public async Task<bool> DeleteUser(string username)
-        {
-            if (username == null)
-                throw new ArgumentNullException(nameof(username));
-
-            if (!_usernameValidator.Validate(username, out var message))
-            {
-                throw new ArgumentException(string.Format(CultureInfo.CurrentCulture, ExceptionUsernameBadFormat, message), nameof(username));
-            }
-
-            var user = await _databaseContext.Users.Where(u => u.Username == username).SingleOrDefaultAsync();
-            if (user == null)
-                return false;
-
-            await _timelineService.DeleteAllPostsOfUser(user.Id);
-
-            _databaseContext.Users.Remove(user);
-
-            await _databaseContext.SaveChangesAsync();
-            _logger.LogInformation(Log.Format(LogDatabaseRemove, ("Id", user.Id), ("Username", user.Username)));
-
-            return true;
-        }
-
-    }
-}
-- 
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