make facet class generic to allow more types in the future

Author: Zechiax

Modrinth.Net/Extensions/ProjectTypeExtensions.cs

@@ -0,0 +1,24 @@
+using Modrinth.Models.Enums;
+
+namespace Modrinth.Extensions;
+
+public static class ProjectTypeExtensions
+{
+    /// <summary>
+    ///     Convert ProjectType to string for Modrinth API
+    /// </summary>
+    /// <param name="projectType"></param>
+    /// <returns></returns>
+    public static string ToModrinthString(this ProjectType projectType)
+    {
+        return projectType switch
+        {
+            ProjectType.Mod => "mod",
+            ProjectType.Modpack => "modpack",
+            ProjectType.Resourcepack => "resourcepack",
+            ProjectType.Shader => "shader",
+            // Return lower string, this should work for all, but it is not guaranteed
+            _ => projectType.ToString().ToLower()
+        };
+    }
+}

Modrinth.Net/Helpers/UrlCreatorHelper.cs

@@ -1,5 +1,5 @@
-using Modrinth.Models;
-using Modrinth.Models.Enums;
+using Modrinth.Extensions;
+using Modrinth.Models;
 
 namespace Modrinth.Helpers;
 
@@ -13,23 +13,7 @@ public static class UrlCreatorHelper
     /// </summary>
     public const string ModrinthUrl = "https://modrinth.com";
 
-    /// <summary>
-    ///     Returns formatted type used in Modrinth links to specific project
-    /// </summary>
-    /// <param name="projectType"></param>
-    /// <returns></returns>
-    private static string GetProjectUrlType(ProjectType projectType)
-    {
-        return projectType switch
-        {
-            ProjectType.Mod => "mod",
-            ProjectType.Modpack => "modpack",
-            ProjectType.Resourcepack => "resourcepack",
-            ProjectType.Shader => "shader",
-            // Return lower string, this should work for all, but it is not guaranteed
-            _ => projectType.ToString().ToLower()
-        };
-    }
+    
 
     /// <summary>
     ///     Return direct link to the user on Modrinth
@@ -38,7 +22,7 @@ private static string GetProjectUrlType(ProjectType projectType)
     /// <returns></returns>
     public static string GetDirectUrl(this Project project)
     {
-        return $"{ModrinthUrl}/{GetProjectUrlType(project.ProjectType)}/{project.Id}";
+        return $"{ModrinthUrl}/{project.ProjectType.ToModrinthString()}/{project.Id}";
     }
 
     /// <summary>
@@ -58,6 +42,6 @@ public static string GetDirectUrl(this User user)
     /// <returns></returns>
     public static string GetDirectUrl(this SearchResult searchResult)
     {
-        return $"{ModrinthUrl}/{GetProjectUrlType(searchResult.ProjectType)}/{searchResult.ProjectId}";
+        return $"{ModrinthUrl}/{searchResult.ProjectType.ToModrinthString()}/{searchResult.ProjectId}";
     }
 }

Modrinth.Net/Models/Facets/Facet.cs

@@ -1,23 +1,29 @@
+using Modrinth.Extensions;
+using Modrinth.Models.Enums;
+
 namespace Modrinth.Models.Facets;
 
-public class Facet
+public abstract class Facet
+{
+    public static Facet<string> Category(string value) => new (FacetType.Categories, value);
+    
+    public static Facet<string> Version(string value) => new(FacetType.Versions, value);
+    
+    public static Facet<string> License(string value) => new(FacetType.License, value);
+    
+    public static Facet<string> ProjectType(ProjectType projectType) => new(FacetType.ProjectType, projectType.ToModrinthString());
+}
+
+public class Facet<T> : Facet
 {
     public FacetType Type { get; }
-    public string Value { get; }
+    public T Value { get; }
 
-    private Facet(FacetType type, string value)
+    public Facet(FacetType type, T value)
     {
         Type = type;
         Value = value;
     }
-    
-    public static Facet Category(string value) => new(FacetType.Categories, value);
-    
-    public static Facet Version(string value) => new(FacetType.Versions, value);
-    
-    public static Facet License(string value) => new(FacetType.License, value);
-    
-    public static Facet ProjectType(string value) => new(FacetType.ProjectType, value);
 
     public override string ToString()
     {