Unify picture configuration and options registration

backend/Core/Musify.Application/Configuration/Pictures.cs

@@ -0,0 +1,90 @@
+using System.ComponentModel.DataAnnotations;
+using Musify.Application.Shared;
+
+namespace Musify.Application.Configuration;
+
+public enum PictureSize
+{
+    Small,
+    Medium,
+    Large
+}
+
+public class PictureRoutes
+{
+    [Required]
+    public string UploadsFolder { get; set; } = "uploads";
+
+    [Required]
+    public string ParentFolder { get; set; } = string.Empty;
+
+    [Required]
+    public string OriginalPicturesFolder { get; set; } = "OriginalPictures";
+
+    [Required]
+    public string SmallPicturesFolder { get; set; } = "SmallPictures";
+
+    [Required]
+    public string MediumPicturesFolder { get; set; } = "MediumPictures";
+
+    [Required]
+    public string LargePicturesFolder { get; set; } = "LargePictures";
+
+    public string FolderPath(PictureSize size) => StorageKey.Combine(ParentFolder, size switch
+    {
+        PictureSize.Small => SmallPicturesFolder,
+        PictureSize.Medium => MediumPicturesFolder,
+        PictureSize.Large => LargePicturesFolder,
+        _ => throw new ArgumentOutOfRangeException(nameof(size), size, null)
+    });
+
+    public string BuildPicturePath(PictureSize size, string pictureName) => StorageKey.Combine(FolderPath(size), pictureName);
+
+    public string BuildOriginalPicturePath(long userId, string pictureName) =>
+        StorageKey.Combine(UploadsFolder, userId.ToString(), ParentFolder, OriginalPicturesFolder, pictureName);
+
+    public string BuildTempPath(string tempRootPrefix, long userId, string objectName) =>
+        StorageKey.Combine(tempRootPrefix, userId.ToString(), ParentFolder, objectName);
+}
+
+public class PictureSizes
+{
+    [Range(1, 1024)]
+    public int SmallWidth { get; set; } = 128;
+
+    [Range(1, 1024)]
+    public int SmallHeight { get; set; } = 128;
+
+    [Range(1, 1024)]
+    public int MediumWidth { get; set; } = 256;
+
+    [Range(1, 1024)]
+    public int MediumHeight { get; set; } = 256;
+
+    [Range(1, 1024)]
+    public int LargeWidth { get; set; } = 512;
+
+    [Range(1, 1024)]
+    public int LargeHeight { get; set; } = 512;
+
+    public ImageSizes ToImageSizes(PictureRoutes routes) => new(
+        new ImageSize(routes.FolderPath(PictureSize.Small), SmallWidth, SmallHeight),
+        new ImageSize(routes.FolderPath(PictureSize.Medium), MediumWidth, MediumHeight),
+        new ImageSize(routes.FolderPath(PictureSize.Large), LargeWidth, LargeHeight));
+}
+
+public interface IPictureOwnerConfiguration
+{
+    public PictureRoutes Routes { get; }
+
+    public PictureSizes PicturesSizes { get; }
+}
+
+public static class PictureSizeParser
+{
+    /// <summary>Parses the <c>size</c> query value; anything unknown means <see cref="PictureSize.Medium"/>.</summary>
+    public static PictureSize Parse(string? value) =>
+        Enum.TryParse<PictureSize>(value, ignoreCase: true, out var size) && Enum.IsDefined(size)
+            ? size
+            : PictureSize.Medium;
+}