1 files changed, 0 insertions, 36 deletions
diff --git a/Timeline/Services/DatabaseExtensions.cs b/Timeline/Services/DatabaseExtensions.cs
deleted file mode 100644
index 140c3146..00000000
--- a/Timeline/Services/DatabaseExtensions.cs
+++ /dev/null
@@ -1,36 +0,0 @@
-using Microsoft.EntityFrameworkCore;
-using System;
-using System.Linq;
-using System.Threading.Tasks;
-using Timeline.Entities;
-using Timeline.Models.Validation;
-
-namespace Timeline.Services
-{
-    internal static class DatabaseExtensions
-    {
-        private static readonly UsernameValidator usernameValidator = new UsernameValidator();
-
-        /// <summary>
-        /// Check the existence and get the id of the user.
-        /// </summary>
-        /// <param name="username">The username of the user.</param>
-        /// <returns>The user id.</returns>
-        /// <exception cref="ArgumentNullException">Thrown if <paramref name="username"/> is null.</exception>
-        /// <exception cref="UsernameBadFormatException">Thrown if <paramref name="username"/> is of bad format.</exception>
-        /// <exception cref="UserNotExistException">Thrown if user does not exist.</exception>
-        internal static async Task<long> CheckAndGetUser(DbSet<User> userDbSet, string? username)
-        {
-            if (username == null)
-                throw new ArgumentNullException(nameof(username));
-            var (result, message) = usernameValidator.Validate(username);
-            if (!result)
-                throw new UsernameBadFormatException(username, message);
-
-            var userId = await userDbSet.Where(u => u.Name == username).Select(u => u.Id).SingleOrDefaultAsync();
-            if (userId == 0)
-                throw new UserNotExistException(username);
-            return userId;
-        }
-    }
-}