Code cleanup

Core/Cache/ICacheStorage.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace Kruzya.TelegramBot.Core.Cache
+namespace Kruzya.TelegramBot.Core.Cache
 {
     public interface ICacheStorage<TKey, TValue>
     {

Core/Cache/MemoryCache.cs

@@ -1,8 +1,6 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading;
-using SQLitePCL;
 
 namespace Kruzya.TelegramBot.Core.Cache
 {
@@ -32,7 +30,7 @@ namespace Kruzya.TelegramBot.Core.Cache
         /// <summary>
         /// 
         /// </summary>
-        private Dictionary<TKey, CacheEntry<TValue>> dict = new Dictionary<TKey, CacheEntry<TValue>>();
+        private readonly Dictionary<TKey, CacheEntry<TValue>> _dict = new();
         
         /// <summary>
         /// The TTL for all entries if not set.
@@ -51,20 +49,20 @@ namespace Kruzya.TelegramBot.Core.Cache
         public bool TryGetValue(TKey key, out TValue value)
         {
             value = default;
-            if (!dict.ContainsKey(key))
+            if (!_dict.ContainsKey(key))
             {
                 return false;
             }
 
             CacheEntry<TValue> temp;
-            if (!dict.TryGetValue(key, out temp))
+            if (!_dict.TryGetValue(key, out temp))
             {
                 return false;
             }
 
             if (temp.IsExpired())
             {
-                dict.Remove(key);
+                _dict.Remove(key);
                 return false;
             }
 
@@ -90,12 +88,12 @@ namespace Kruzya.TelegramBot.Core.Cache
         
         public void SetValue(TKey key, TValue value, int timeToLive)
         {
-            if (dict.ContainsKey(key))
+            if (_dict.ContainsKey(key))
             {
-                dict.Remove(key);
+                _dict.Remove(key);
             }
 
-            dict.Add(key, new CacheEntry<TValue>()
+            _dict.Add(key, new CacheEntry<TValue>()
             {
                 Created = DateTime.Now,
                 ExpiresAt = timeToLive,

Core/Data/BotUser.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 
 namespace Kruzya.TelegramBot.Core.Data

Core/Data/BotUserValue.cs

@@ -1,12 +1,8 @@
 using System;
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
-using System.Diagnostics.CodeAnalysis;
-using System.IO;
-using System.Runtime.Serialization.Formatters.Binary;
 using System.Text.Json;
 using System.Text.Json.Serialization;
-using System.Xml.Serialization;
 
 namespace Kruzya.TelegramBot.Core.Data
 {

Core/Extensions/ChatExtension.cs

@@ -1,5 +1,4 @@
-using System;
-using Telegram.Bot.Types;
+using Telegram.Bot.Types;
 using Telegram.Bot.Types.Enums;
 
 namespace Kruzya.TelegramBot.Core.Extensions;

Core/Extensions/RepositoryExtension.cs

@@ -1,7 +1,4 @@
-using System.Threading.Tasks;
-using Kruzya.TelegramBot.Core.Data;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore;
 
 namespace Kruzya.TelegramBot.Core.Extensions
 {

Core/Service/AbstractTimedHostedService.cs

@@ -1,14 +1,9 @@
 using System;
-using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using BotFramework;
 using BotFramework.Abstractions;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
-using Telegram.Bot;
-using Telegram.Bot.Exceptions;
-using Telegram.Bot.Types;
 
 namespace Kruzya.TelegramBot.Core.Service
 {

Core/Service/MemoryAntiFloodService.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using Microsoft.Extensions.Configuration;