Bump framework version and small cleanup

DiscordChatExporter.Cli/DiscordChatExporter.Cli.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net45</TargetFramework>
+    <TargetFramework>net461</TargetFramework>
     <Version>2.3</Version>
     <Company>Tyrrrz</Company>
     <Copyright>Copyright (c) 2017-2018 Alexey Golub</Copyright>

DiscordChatExporter.Cli/ViewModels/MainViewModel.cs

@@ -33,7 +33,7 @@ namespace DiscordChatExporter.Cli.ViewModels
             // Generate file path if not set
             if (filePath.IsBlank())
             {
-                filePath = $"{guild} - {channel}.{format.GetFileExtension()}"
+                filePath = $"{guild.Name} - {channel.Name}.{format.GetFileExtension()}"
                     .Replace(Path.GetInvalidFileNameChars(), '_');
             }
 

DiscordChatExporter.Core/DiscordChatExporter.Core.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net45</TargetFramework>
+    <TargetFramework>net461</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>

DiscordChatExporter.Core/Models/User.cs

@@ -1,4 +1,5 @@
-using Tyrrrz.Extensions;
+using System.Globalization;
+using Tyrrrz.Extensions;
 
 namespace DiscordChatExporter.Core.Models
 {
@@ -14,9 +15,11 @@ namespace DiscordChatExporter.Core.Models
 
         public string AvatarHash { get; }
 
+        public string DefaultAvatarHash => (Discriminator % 5).ToString(CultureInfo.InvariantCulture);
+
         public string AvatarUrl => AvatarHash.IsNotBlank()
             ? $"https://cdn.discordapp.com/avatars/{Id}/{AvatarHash}.png"
-            : $"https://cdn.discordapp.com/embed/avatars/{Discriminator % 5}.png";
+            : $"https://cdn.discordapp.com/embed/avatars/{DefaultAvatarHash}.png";
 
         public User(string id, int discriminator, string name, string avatarHash)
         {

DiscordChatExporter.Gui/ViewModels/ExportSetupViewModel.cs

@@ -81,7 +81,7 @@ namespace DiscordChatExporter.Gui.ViewModels
                 Guild = m.Guild;
                 Channel = m.Channel;
                 SelectedFormat = _settingsService.LastExportFormat;
-                FilePath = $"{Guild} - {Channel}.{SelectedFormat.GetFileExtension()}"
+                FilePath = $"{Guild.Name} - {Channel.Name}.{SelectedFormat.GetFileExtension()}"
                     .Replace(Path.GetInvalidFileNameChars(), '_');
                 From = null;
                 To = null;