Core - Rewrote profile configuration icons

WPF UI - Adjusted for the above rewrite 
Avalonia UI - Implemented profile icons

src/Artemis.Core/Models/ProfileConfiguration/ProfileConfiguration.cs

@@ -27,7 +27,8 @@ namespace Artemis.Core
             _category = category;
 
             Entity = new ProfileConfigurationEntity();
-            Icon = new ProfileConfigurationIcon(Entity) {MaterialIcon = icon};
+            Icon = new ProfileConfigurationIcon(Entity);
+            Icon.SetIconByName(icon);
             ActivationCondition = new NodeScript<bool>("Activate profile", "Whether or not the profile should be active", this);
         }
 

src/Artemis.Core/Models/ProfileConfiguration/ProfileConfigurationExportModel.cs

@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using Artemis.Core.JsonConverters;
 using Artemis.Storage.Entities.Profile;
 using Newtonsoft.Json;
@@ -8,7 +9,7 @@ namespace Artemis.Core
     /// <summary>
     ///     A model that can be used to serialize a profile configuration, it's profile and it's icon
     /// </summary>
-    public class ProfileConfigurationExportModel
+    public class ProfileConfigurationExportModel : IDisposable
     {
         /// <summary>
         ///     Gets or sets the storage entity of the profile configuration
@@ -26,5 +27,11 @@ namespace Artemis.Core
         /// </summary>
         [JsonConverter(typeof(StreamConverter))]
         public Stream? ProfileImage { get; set; }
+
+        /// <inheritdoc />
+        public void Dispose()
+        {
+            ProfileImage?.Dispose();
+        }
     }
 }

src/Artemis.Core/Models/ProfileConfiguration/ProfileConfigurationIcon.cs

@@ -1,4 +1,5 @@
-using System.ComponentModel;
+using System;
+using System.ComponentModel;
 using System.IO;
 using Artemis.Storage.Entities.Profile;
 
@@ -10,9 +11,10 @@ namespace Artemis.Core
     public class ProfileConfigurationIcon : CorePropertyChanged, IStorageModel
     {
         private readonly ProfileConfigurationEntity _entity;
-        private Stream? _fileIcon;
+        private string? _iconName;
+        private Stream? _iconStream;
         private ProfileConfigurationIconType _iconType;
-        private string? _materialIcon;
+        private string? _originalFileName;
 
         internal ProfileConfigurationIcon(ProfileConfigurationEntity entity)
         {
@@ -20,31 +22,82 @@ namespace Artemis.Core
         }
 
         /// <summary>
-        ///     Gets or sets the type of icon this profile configuration uses
+        ///     Gets the type of icon this profile configuration uses
         /// </summary>
         public ProfileConfigurationIconType IconType
         {
             get => _iconType;
-            set => SetAndNotify(ref _iconType, value);
+            private set => SetAndNotify(ref _iconType, value);
         }
 
         /// <summary>
-        ///     Gets or sets the icon if it is a Material icon
+        ///     Gets the name of the icon if <see cref="IconType" /> is <see cref="ProfileConfigurationIconType.MaterialIcon" />
         /// </summary>
-        public string? MaterialIcon
+        public string? IconName
         {
-            get => _materialIcon;
-            set => SetAndNotify(ref _materialIcon, value);
+            get => _iconName;
+            private set => SetAndNotify(ref _iconName, value);
         }
 
         /// <summary>
-        ///     Gets or sets a stream containing the icon if it is bitmap or SVG
+        ///     Gets the original file name of the icon (if applicable)
         /// </summary>
-        /// <returns></returns>
-        public Stream? FileIcon
+        public string? OriginalFileName
         {
-            get => _fileIcon;
-            set => SetAndNotify(ref _fileIcon, value);
+            get => _originalFileName;
+            private set => SetAndNotify(ref _originalFileName, value);
+        }
+
+        /// <summary>
+        ///     Updates the <see cref="IconName" /> to the provided value and changes the <see cref="IconType" /> is
+        ///     <see cref="ProfileConfigurationIconType.MaterialIcon" />
+        /// </summary>
+        /// <param name="iconName">The name of the icon</param>
+        public void SetIconByName(string iconName)
+        {
+            IconName = iconName ?? throw new ArgumentNullException(nameof(iconName));
+            OriginalFileName = null;
+            IconType = ProfileConfigurationIconType.MaterialIcon;
+
+            _iconStream?.Dispose();
+        }
+
+        /// <summary>
+        ///     Updates the stream returned by <see cref="GetIconStream" /> to the provided stream
+        /// </summary>
+        /// <param name="originalFileName">The original file name backing the stream, should include the extension</param>
+        /// <param name="stream">The stream to copy</param>
+        public void SetIconByStream(string originalFileName, Stream stream)
+        {
+            if (originalFileName == null) throw new ArgumentNullException(nameof(originalFileName));
+            if (stream == null) throw new ArgumentNullException(nameof(stream));
+
+            _iconStream?.Dispose();
+            _iconStream = new MemoryStream();
+            stream.Seek(0, SeekOrigin.Begin);
+            stream.CopyTo(_iconStream);
+            _iconStream.Seek(0, SeekOrigin.Begin);
+
+            IconName = null;
+            OriginalFileName = originalFileName;
+            IconType = OriginalFileName.EndsWith(".svg") ? ProfileConfigurationIconType.SvgImage : ProfileConfigurationIconType.BitmapImage;
+        }
+
+        /// <summary>
+        ///     Creates a copy of the stream containing the icon
+        /// </summary>
+        /// <returns>A stream containing the icon</returns>
+        public Stream? GetIconStream()
+        {
+            if (_iconStream == null)
+                return null;
+
+            MemoryStream stream = new();
+            _iconStream.CopyTo(stream);
+
+            stream.Seek(0, SeekOrigin.Begin);
+            _iconStream.Seek(0, SeekOrigin.Begin);
+            return stream;
         }
 
         #region Implementation of IStorageModel
@@ -53,14 +106,15 @@ namespace Artemis.Core
         public void Load()
         {
             IconType = (ProfileConfigurationIconType) _entity.IconType;
-            MaterialIcon = _entity.MaterialIcon;
+            if (IconType == ProfileConfigurationIconType.MaterialIcon)
+                IconName = _entity.MaterialIcon;
         }
 
         /// <inheritdoc />
         public void Save()
         {
             _entity.IconType = (int) IconType;
-            _entity.MaterialIcon = MaterialIcon;
+            _entity.MaterialIcon = IconType == ProfileConfigurationIconType.MaterialIcon ? IconName : null;
         }
 
         #endregion