Made AdminPageProperty generic + added dynamic display property selecting

src/HopFrame.Database/Attributes/ListingPropertyAttribute.cs

@@ -1,4 +0,0 @@
-namespace HopFrame.Database.Attributes;
-
-[AttributeUsage(AttributeTargets.Property)]
-public sealed class ListingPropertyAttribute : Attribute;

src/HopFrame.Database/Models/Permission.cs

@@ -1,7 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
 using System.Text.Json.Serialization;
-using HopFrame.Database.Attributes;
 
 namespace HopFrame.Database.Models;
 
@@ -10,7 +9,7 @@ public class Permission {
     [Key, Required, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
     public long Id { get; init; }
     
-    [Required, MaxLength(255), ListingProperty]
+    [Required, MaxLength(255)]
     public string PermissionName { get; set; }
     
     [Required]

src/HopFrame.Database/Models/PermissionGroup.cs

@@ -1,12 +1,11 @@
 using System.ComponentModel;
 using System.ComponentModel.DataAnnotations;
-using HopFrame.Database.Attributes;
 
 namespace HopFrame.Database.Models;
 
 public class PermissionGroup : IPermissionOwner {
     
-    [Key, Required, MaxLength(50), ListingProperty]
+    [Key, Required, MaxLength(50)]
     public string Name { get; init; }
     
     [Required, DefaultValue(false)]

src/HopFrame.Database/Models/User.cs

@@ -1,6 +1,5 @@
 using System.ComponentModel.DataAnnotations;
 using System.Text.Json.Serialization;
-using HopFrame.Database.Attributes;
 
 namespace HopFrame.Database.Models;
 
@@ -9,7 +8,7 @@ public class User : IPermissionOwner {
     [Key, Required, MinLength(36), MaxLength(36)]
     public Guid Id { get; init; }
     
-    [MaxLength(50), ListingProperty]
+    [MaxLength(50)]
     public string Username { get; set; }
     
     [Required, MaxLength(50), EmailAddress]

src/HopFrame.Web.Admin/Attributes/Members/ListingPropertyAttribute.cs

@@ -0,0 +1,4 @@
+namespace HopFrame.Web.Admin.Attributes.Members;
+
+[AttributeUsage(AttributeTargets.Property)]
+public sealed class ListingPropertyAttribute : Attribute;

src/HopFrame.Web.Admin/Generators/IAdminPageGenerator.cs

@@ -22,7 +22,7 @@ public interface IAdminPageGenerator<TModel> {
 
     IAdminPageGenerator<TModel> ConfigureRepository<TRepository>() where TRepository : ModelRepository<TModel>;
     
-    IAdminPropertyGenerator Property<TProperty>(Expression<Func<TModel, TProperty>> propertyExpression);
+    IAdminPropertyGenerator<TProperty> Property<TProperty>(Expression<Func<TModel, TProperty>> propertyExpression);
     IAdminPageGenerator<TModel> ListingProperty<TProperty>(Expression<Func<TModel, TProperty>> propertyExpression);
 
 }

src/HopFrame.Web.Admin/Generators/IAdminPropertyGenerator.cs

@@ -1,19 +1,23 @@
+using System.Linq.Expressions;
+
 namespace HopFrame.Web.Admin.Generators;
 
-public interface IAdminPropertyGenerator {
+public interface IAdminPropertyGenerator<TProperty> {
 
-    IAdminPropertyGenerator Sortable(bool sortable);
+    IAdminPropertyGenerator<TProperty> Sortable(bool sortable);
-    IAdminPropertyGenerator Editable(bool editable);
+    IAdminPropertyGenerator<TProperty> Editable(bool editable);
-    IAdminPropertyGenerator DisplayValueWhileEditing(bool display);
+    IAdminPropertyGenerator<TProperty> DisplayValueWhileEditing(bool display);
-    IAdminPropertyGenerator DisplayInListing(bool display = true);
+    IAdminPropertyGenerator<TProperty> DisplayInListing(bool display = true);
-    IAdminPropertyGenerator Ignore(bool ignore = true);
+    IAdminPropertyGenerator<TProperty> Ignore(bool ignore = true);
-    IAdminPropertyGenerator Generated(bool generated = true);
+    IAdminPropertyGenerator<TProperty> Generated(bool generated = true);
-    IAdminPropertyGenerator Bold(bool bold = true);
+    IAdminPropertyGenerator<TProperty> Bold(bool bold = true);
     
-    IAdminPropertyGenerator DisplayName(string displayName);
+    IAdminPropertyGenerator<TProperty> DisplayName(string displayName);
-    IAdminPropertyGenerator Description(string description);
+    IAdminPropertyGenerator<TProperty> Description(string description);
-    IAdminPropertyGenerator Prefix(string prefix);
+    IAdminPropertyGenerator<TProperty> Prefix(string prefix);
-    IAdminPropertyGenerator Validator(Func<object, bool> validator);
+    IAdminPropertyGenerator<TProperty> Validator(Func<object, bool> validator);
-    IAdminPropertyGenerator IsSelector<TSelector>();
+    IAdminPropertyGenerator<TProperty> IsSelector<TSelector>();
+    IAdminPropertyGenerator<TProperty> DisplayProperty<TListingProperty>(Expression<Func<TProperty, TListingProperty>> propertyExpression);
+    IAdminPropertyGenerator<TProperty> DisplayPropertyForListType<TInnerProperty>(Expression<Func<TInnerProperty, object>> propertyExpression);
 
 }

src/HopFrame.Web.Admin/Generators/Implementation/AdminContextGenerator.cs

@@ -38,10 +38,13 @@ internal class AdminContextGenerator : IAdminContextGenerator {
         foreach (var property in properties) {
             var propertyType = property.PropertyType.GenericTypeArguments[0];
             var pageGeneratorType = typeof(AdminPageGenerator<>).MakeGenericType(propertyType);
-            var generatorInstance = Activator.CreateInstance(pageGeneratorType, [property.Name]); // Calls constructor with title attribute
+            var generatorInstance = Activator.CreateInstance(pageGeneratorType);
 
-            var populatorMethod = pageGeneratorType.GetMethod(nameof(AdminPageGenerator<TContext>.ApplyConfigurationFromAttributes));
+            var titleMethod = pageGeneratorType.GetMethod(nameof(AdminPageGenerator<TContext>.Title));
-            populatorMethod?.Invoke(generatorInstance, [propertyType.GetCustomAttributes(false)]);
+            titleMethod?.Invoke(generatorInstance, [property.Name]);
+
+            var populateMethod = pageGeneratorType.GetMethod(nameof(AdminPageGenerator<TContext>.ApplyConfigurationFromAttributes));
+            populateMethod?.Invoke(generatorInstance, [propertyType.GetCustomAttributes(false)]);
             
             _adminPages.Add(propertyType, generatorInstance);
         }

src/HopFrame.Web.Admin/Generators/Implementation/AdminPageGenerator.cs

@@ -10,32 +10,34 @@ namespace HopFrame.Web.Admin.Generators.Implementation;
 internal sealed class AdminPageGenerator<TModel> : IAdminPageGenerator<TModel>, IGenerator<AdminPage<TModel>> {
 
     public readonly AdminPage<TModel> Page;
-    private readonly IDictionary<string, AdminPropertyGenerator> _propertyGenerators;
+    private readonly Dictionary<string, object> _propertyGenerators;
 
     public AdminPageGenerator() {
         Page = new AdminPage<TModel> {
             Permissions = new AdminPagePermissions(),
             ModelType = typeof(TModel)
         };
-        _propertyGenerators = new Dictionary<string, AdminPropertyGenerator>();
+        _propertyGenerators = new Dictionary<string, object>();
 
         var type = typeof(TModel);
         var properties = type.GetProperties();
+        var generatorType = typeof(AdminPropertyGenerator<>);
         
         foreach (var property in properties) {
             var attributes = property.GetCustomAttributes(false);
+            var genericType = generatorType.MakeGenericType(property.PropertyType);
             
-            var generator = Activator.CreateInstance(typeof(AdminPropertyGenerator), [property.Name, property.PropertyType]) as AdminPropertyGenerator;
+            var generator = Activator.CreateInstance(genericType, [property.Name, property.PropertyType]);
-            generator?.ApplyConfigurationFromAttributes(this, attributes, property);
+
+            var method = genericType
+                .GetMethod(nameof(AdminPropertyGenerator<object>.ApplyConfigurationFromAttributes))?
+                .MakeGenericMethod(type);
+            method?.Invoke(generator, [this, attributes, property]);
             
             _propertyGenerators.Add(property.Name, generator);
         }
     }
 
-    public AdminPageGenerator(string title) : this() {
-        Title(title);
-    }
-
     public IAdminPageGenerator<TModel> Title(string title) {
         Page.Title = title;
         Page.Url ??= title.ToLower();
@@ -100,13 +102,13 @@ internal sealed class AdminPageGenerator<TModel> : IAdminPageGenerator<TModel>,
         return this;
     }
 
-    public IAdminPropertyGenerator Property<TProperty>(Expression<Func<TModel, TProperty>> propertyExpression) {
+    public IAdminPropertyGenerator<TProperty> Property<TProperty>(Expression<Func<TModel, TProperty>> propertyExpression) {
         var property = GetPropertyInfo(propertyExpression);
 
         if (_propertyGenerators.TryGetValue(property.Name, out var propertyGenerator))
-            return propertyGenerator;
+            return propertyGenerator as AdminPropertyGenerator<TProperty>;
         
-        var generator = Activator.CreateInstance(typeof(AdminPropertyGenerator), new { property.Name, property.PropertyType }) as AdminPropertyGenerator;
+        var generator = Activator.CreateInstance(typeof(AdminPropertyGenerator<TProperty>), new { property.Name, property.PropertyType }) as AdminPropertyGenerator<TProperty>;
         generator?.ApplyConfigurationFromAttributes(this, property.GetCustomAttributes(false), property);
         _propertyGenerators.Add(property.Name, generator);
         
@@ -122,8 +124,10 @@ internal sealed class AdminPageGenerator<TModel> : IAdminPageGenerator<TModel>,
     public AdminPage<TModel> Compile() {
         var properties = new List<AdminPageProperty>();
         
-        foreach (var generator in _propertyGenerators.Values){
+        foreach (var generator in _propertyGenerators.Values) {
-            properties.Add(generator.Compile());
+            var method = generator.GetType().GetMethod(nameof(AdminPropertyGenerator<object>.Compile));
+            var prop = method?.Invoke(generator, []) as AdminPageProperty;
+            properties.Add(prop);
         }
 
         Page.Properties = properties;
@@ -131,7 +135,7 @@ internal sealed class AdminPageGenerator<TModel> : IAdminPageGenerator<TModel>,
         return Page;
     }
 
-    private static PropertyInfo GetPropertyInfo<TSource, TProperty>(Expression<Func<TSource, TProperty>> propertyLambda) {
+    public static PropertyInfo GetPropertyInfo<TSource, TProperty>(Expression<Func<TSource, TProperty>> propertyLambda) {
         if (propertyLambda.Body is not MemberExpression member) {
             throw new ArgumentException($"Expression '{propertyLambda}' refers to a method, not a property.");
         }

src/HopFrame.Web.Admin/Generators/Implementation/AdminPropertyGenerator.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel.DataAnnotations;
 using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq.Expressions;
 using System.Reflection;
 using HopFrame.Web.Admin.Attributes;
 using HopFrame.Web.Admin.Attributes.Members;
@@ -7,74 +8,86 @@ using HopFrame.Web.Admin.Models;
 
 namespace HopFrame.Web.Admin.Generators.Implementation;
 
-internal sealed class AdminPropertyGenerator(string name, Type type) : IAdminPropertyGenerator, IGenerator<AdminPageProperty> {
+internal sealed class AdminPropertyGenerator<TProperty>(string name, Type type) : IAdminPropertyGenerator<TProperty>, IGenerator<AdminPageProperty> {
     
     private readonly AdminPageProperty _property = new() {
         Name = name,
         Type = type
     };
 
-    public IAdminPropertyGenerator Sortable(bool sortable) {
+    public IAdminPropertyGenerator<TProperty> Sortable(bool sortable) {
         _property.Sortable = sortable;
         return this;
     }
 
-    public IAdminPropertyGenerator Editable(bool editable) {
+    public IAdminPropertyGenerator<TProperty> Editable(bool editable) {
         _property.Editable = editable;
         return this;
     }
 
-    public IAdminPropertyGenerator DisplayValueWhileEditing(bool display) {
+    public IAdminPropertyGenerator<TProperty> DisplayValueWhileEditing(bool display) {
         _property.EditDisplayValue = display;
         return this;
     }
 
-    public IAdminPropertyGenerator DisplayInListing(bool display = true) {
+    public IAdminPropertyGenerator<TProperty> DisplayInListing(bool display = true) {
         _property.DisplayInListing = display;
         _property.Sortable = false;
         return this;
     }
 
-    public IAdminPropertyGenerator Ignore(bool ignore = false) {
+    public IAdminPropertyGenerator<TProperty> Ignore(bool ignore = false) {
         _property.Ignore = ignore;
         return this;
     }
 
-    public IAdminPropertyGenerator Generated(bool generated = true) {
+    public IAdminPropertyGenerator<TProperty> Generated(bool generated = true) {
         _property.Generated = generated;
         return this;
     }
 
-    public IAdminPropertyGenerator Bold(bool bold = true) {
+    public IAdminPropertyGenerator<TProperty> Bold(bool bold = true) {
         _property.Bold = bold;
         return this;
     }
 
-    public IAdminPropertyGenerator DisplayName(string displayName) {
+    public IAdminPropertyGenerator<TProperty> DisplayName(string displayName) {
         _property.DisplayName = displayName;
         return this;
     }
 
-    public IAdminPropertyGenerator Description(string description) {
+    public IAdminPropertyGenerator<TProperty> Description(string description) {
         _property.Description = description;
         return this;
     }
 
-    public IAdminPropertyGenerator Prefix(string prefix) {
+    public IAdminPropertyGenerator<TProperty> Prefix(string prefix) {
         _property.Prefix = prefix;
         return this;
     }
 
-    public IAdminPropertyGenerator Validator(Func<object, bool> validator) {
+    public IAdminPropertyGenerator<TProperty> Validator(Func<object, bool> validator) {
         _property.Validator = validator;
         return this;
     }
 
-    public IAdminPropertyGenerator IsSelector<TSelector>() {
+    public IAdminPropertyGenerator<TProperty> IsSelector<TSelector>() {
         _property.SelectorType = typeof(TSelector);
         return this;
     }
 
+    public IAdminPropertyGenerator<TProperty> DisplayProperty<TListingProperty>(Expression<Func<TProperty, TListingProperty>> propertyExpression) {
+        var property = AdminPageGenerator<object>.GetPropertyInfo(propertyExpression);
+        _property.DisplayPropertyName = property.Name;
+        return this;
+    }
+
+    public IAdminPropertyGenerator<TProperty> DisplayPropertyForListType<TInnerProperty>(Expression<Func<TInnerProperty, object>> propertyExpression) {
+        var property = AdminPageGenerator<object>.GetPropertyInfo(propertyExpression);
+        _property.DisplayPropertyName = property.Name;
+        return this;
+    }
+
     public AdminPageProperty Compile() {
         _property.DisplayName ??= _property.Name;
         return _property;
@@ -129,5 +142,10 @@ internal sealed class AdminPropertyGenerator(string name, Type type) : IAdminPro
             var attribute = attributes.Single(a => a is AdminPrefixAttribute) as AdminPrefixAttribute;
             Prefix(attribute?.Prefix);
         }
+
+        if (attributes.Any(a => a is ListingPropertyAttribute)) {
+            var attribute = attributes.Single(a => a is ListingPropertyAttribute) as ListingPropertyAttribute;
+            _property.DisplayPropertyName = property.Name;
+        }
     }
 }

src/HopFrame.Web.Admin/Models/AdminPageProperty.cs

@@ -7,6 +7,7 @@ public sealed class AdminPageProperty {
     public string DisplayName { get; set; }
     public string Description { get; set; }
     public string Prefix { get; set; }
+    public string DisplayPropertyName { get; set; }
 
     public bool DisplayInListing { get; set; } = true;
     public bool Sortable { get; set; } = true;

src/HopFrame.Web/Components/Administration/AdminPageModal.razor

@@ -1,12 +1,10 @@
 @rendermode InteractiveServer
 
 @using System.Collections
-@using System.ComponentModel.DataAnnotations
 @using BlazorStrap
 @using BlazorStrap.Shared.Components.Modal
 @using static Microsoft.AspNetCore.Components.Web.RenderMode
 @using BlazorStrap.V5
-@using HopFrame.Database.Attributes
 @using HopFrame.Web.Admin
 @using HopFrame.Web.Admin.Models
 @using HopFrame.Web.Admin.Providers
@@ -166,7 +164,7 @@
         return MapPropertyValue(property.GetValue(_entry), property);
     }
 
-    public string MapPropertyValue(object value, AdminPageProperty property) {
+    public string MapPropertyValue(object value, AdminPageProperty property, bool isSubProperty = false) {
         if (value is null) return string.Empty;
         var type = value.GetType();
 
@@ -180,11 +178,18 @@
             }
         }
 
-        if (type.GetProperties().Any(p => p.GetCustomAttributes(false).Any(a => a is ListingPropertyAttribute))) {
+        /*if (type.GetProperties().Any(p => p.GetCustomAttributes(false).Any(a => a is ListingPropertyAttribute))) {
             var prop = type.GetProperties()
                 .SingleOrDefault(p => p.GetCustomAttributes(false).Any(a => a is ListingPropertyAttribute));
 
             return MapPropertyValue(prop?.GetValue(value), property);
+        }*/
+
+        if (!string.IsNullOrEmpty(property.DisplayPropertyName) && !isSubProperty) {
+            var prop = type.GetProperties()
+                .SingleOrDefault(p => p.Name == property.DisplayPropertyName);
+
+            return MapPropertyValue(prop?.GetValue(value), property, true);
         }
         
         var stringValue = value.ToString();

src/HopFrame.Web/HopAdminContext.cs

@@ -30,7 +30,8 @@ public class HopAdminContext : AdminPagesContext {
 
         generator.Page<User>().Property(u => u.Permissions)
             .DisplayInListing(false)
-            .IsSelector<PermissionGroup>();
+            .IsSelector<PermissionGroup>()
+            .DisplayPropertyForListType<Permission>(p => p.PermissionName);
 
         generator.Page<User>().Property(u => u.Tokens)
             .Ignore();
@@ -54,6 +55,7 @@ public class HopAdminContext : AdminPagesContext {
             .Editable(false);
 
         generator.Page<PermissionGroup>().Property(g => g.Permissions)
-            .DisplayInListing(false);
+            .DisplayInListing(false)
+            .DisplayPropertyForListType<Permission>(p => p.PermissionName);
     }
 }

src/HopFrame.Web/Pages/Administration/AdminPageList.razor

@@ -178,12 +178,7 @@
             return String.CompareOrdinal(propX, propY);
         });
 
-        if (_currentSortDirection == ListSortDirection.Ascending) {
+        _displayedModels = _currentSortDirection == ListSortDirection.Ascending ? _displayedModels.Order(comparer).ToList() : _displayedModels.OrderDescending(comparer).ToList();
-            _displayedModels = _displayedModels.Order(comparer).ToList();
-        }
-        else {
-            _displayedModels = _displayedModels.OrderDescending(comparer).ToList();
-        }
         
         _currentSortProperty = property;
     }

test/FrontendTest/DatabaseContext.cs

@@ -7,6 +7,6 @@ public class DatabaseContext : HopDbContextBase {
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {
         base.OnConfiguring(optionsBuilder);
         
-        optionsBuilder.UseSqlite("Data Source=C:\\Users\\Remote\\Documents\\Projekte\\HopFrame\\test\\RestApiTest\\bin\\Debug\\net8.0\\test.db;Mode=ReadWrite;");
+        optionsBuilder.UseSqlite(@"Data Source=C:\Users\leon\Documents\Projekte\HopFrame\test\RestApiTest\bin\Debug\net8.0\test.db;Mode=ReadWrite;");
     }
 }

test/RestApiTest/DatabaseContext.cs

@@ -12,7 +12,7 @@ public class DatabaseContext : HopDbContextBase {
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) {
         base.OnConfiguring(optionsBuilder);
 
-        optionsBuilder.UseSqlite("Data Source=C:\\Users\\Remote\\Documents\\Projekte\\HopFrame\\test\\RestApiTest\\bin\\Debug\\net8.0\\test.db;Mode=ReadWrite;");
+        optionsBuilder.UseSqlite(@"Data Source=C:\Users\leon\Documents\Projekte\HopFrame\test\RestApiTest\bin\Debug\net8.0\test.db;Mode=ReadWrite;");
     }
 
     protected override void OnModelCreating(ModelBuilder modelBuilder) {