From 6115dcf8e1e2ebaa6cdcd534c63519361f0366cc Mon Sep 17 00:00:00 2001
From: Leon Hoppe <leon@ladenbau-hoppe.de>
Date: Tue, 14 Jan 2025 14:05:15 +0100
Subject: [PATCH] Added database loading logic

---
 .idea/.idea.HopFrame/.idea/workspace.xml      | 41 ++++++++++++-------
 .../Services/IContextExplorer.cs              |  3 +-
 src/HopFrame.Core/Services/ITableManager.cs   |  5 +++
 .../Implementations/ContextExplorer.cs        | 22 ++++++++--
 .../Services/Implementations/TableManager.cs  | 15 +++++++
 .../Components/Layout/HopFrameLayout.razor    | 12 +++---
 .../Layout/HopFrameNavigation.razor           | 12 +++---
 .../Components/Pages/Home.razor               | 15 ++++++-
 testing/HopFrame.Testing/DatabaseContext.cs   | 10 ++++-
 testing/HopFrame.Testing/Models/Post.cs       | 17 ++++++++
 testing/HopFrame.Testing/Models/User.cs       |  4 ++
 testing/HopFrame.Testing/Program.cs           |  6 ++-
 .../HopFrame.Testing/Services/AuthService.cs  | 12 ++++++
 13 files changed, 139 insertions(+), 35 deletions(-)
 create mode 100644 src/HopFrame.Core/Services/ITableManager.cs
 create mode 100644 src/HopFrame.Core/Services/Implementations/TableManager.cs
 create mode 100644 testing/HopFrame.Testing/Models/Post.cs
 create mode 100644 testing/HopFrame.Testing/Services/AuthService.cs

diff --git a/.idea/.idea.HopFrame/.idea/workspace.xml b/.idea/.idea.HopFrame/.idea/workspace.xml
index c5caf91..bbde447 100644
--- a/.idea/.idea.HopFrame/.idea/workspace.xml
+++ b/.idea/.idea.HopFrame/.idea/workspace.xml
@@ -9,18 +9,19 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="0648788e-7696-4e60-bf12-5d5601f33d8c" name="Changes" comment="Added basic configuration">
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/IHopFrameAuthHandler.cs" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameSideMenu.razor" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Pages/HopFrameHome.razor" afterDir="false" />
-      <change afterPath="$PROJECT_DIR$/src/HopFrame.Web/wwwroot/hopframe.css" afterDir="false" />
+    <list default="true" id="0648788e-7696-4e60-bf12-5d5601f33d8c" name="Changes" comment="Added admin page navigation">
+      <change afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/IModelManager.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/ModelManager.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/Models/Post.cs" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/Services/AuthService.cs" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/.idea.HopFrame/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Config/HopFrameConfig.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Config/HopFrameConfig.cs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/HopFrame.Web.csproj" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/HopFrame.Web.csproj" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/ServiceCollectionExtensions.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/ServiceCollectionExtensions.cs" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/_Imports.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/_Imports.razor" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/IContextExplorer.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/IContextExplorer.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor" beforeDir="false" afterPath="$PROJECT_DIR$/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/testing/HopFrame.Testing/Components/Pages/Home.razor" beforeDir="false" afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/Components/Pages/Home.razor" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/testing/HopFrame.Testing/DatabaseContext.cs" beforeDir="false" afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/DatabaseContext.cs" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/testing/HopFrame.Testing/Models/User.cs" beforeDir="false" afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/Models/User.cs" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/testing/HopFrame.Testing/Program.cs" beforeDir="false" afterPath="$PROJECT_DIR$/testing/HopFrame.Testing/Program.cs" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
@@ -62,6 +63,9 @@
     &quot;second&quot;: &quot;2d65fdcb-5f13-45ad-a7ba-91dd4a88d6e4&quot;
   }
 }</component>
+  <component name="HighlightingSettingsPerFile">
+    <setting file="file://$APPLICATION_CONFIG_DIR$/resharper-host/SourcesCache/d858ddb35a8e36df5573b7612542f9ad50f426b8ab43818587d1ac65fab14829/DatabaseGeneratedAttribute.cs" root0="FORCE_HIGHLIGHTING" />
+  </component>
   <component name="MetaFilesCheckinStateConfiguration" checkMetaFiles="true" />
   <component name="ProjectColorInfo">{
   &quot;associatedIndex&quot;: 3
@@ -140,7 +144,7 @@
       <workItem from="1736788853462" duration="780000" />
       <workItem from="1736845367516" duration="283000" />
       <workItem from="1736845655122" duration="165000" />
-      <workItem from="1736845825812" duration="9326000" />
+      <workItem from="1736845825812" duration="13786000" />
     </task>
     <task id="LOCAL-00001" summary="Added basic configuration">
       <option name="closed" value="true" />
@@ -150,7 +154,15 @@
       <option name="project" value="LOCAL" />
       <updated>1736850899254</updated>
     </task>
-    <option name="localTasksCounter" value="2" />
+    <task id="LOCAL-00002" summary="Added admin page navigation">
+      <option name="closed" value="true" />
+      <created>1736855209077</created>
+      <option name="number" value="00002" />
+      <option name="presentableId" value="LOCAL-00002" />
+      <option name="project" value="LOCAL" />
+      <updated>1736855209077</updated>
+    </task>
+    <option name="localTasksCounter" value="3" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -161,6 +173,7 @@
   <component name="VcsManagerConfiguration">
     <option name="CLEAR_INITIAL_COMMIT_MESSAGE" value="true" />
     <MESSAGE value="Added basic configuration" />
-    <option name="LAST_COMMIT_MESSAGE" value="Added basic configuration" />
+    <MESSAGE value="Added admin page navigation" />
+    <option name="LAST_COMMIT_MESSAGE" value="Added admin page navigation" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/HopFrame.Core/Services/IContextExplorer.cs b/src/HopFrame.Core/Services/IContextExplorer.cs
index b74f56e..cc0e4a6 100644
--- a/src/HopFrame.Core/Services/IContextExplorer.cs
+++ b/src/HopFrame.Core/Services/IContextExplorer.cs
@@ -4,5 +4,6 @@ namespace HopFrame.Core.Services;
 
 public interface IContextExplorer {
     public IEnumerable<string> GetTableNames();
-    public TableConfig? GetTable(string name);
+    public TableConfig? GetTable(string tableName);
+    public ITableManager? GetTableManager(string tableName);
 }
\ No newline at end of file
diff --git a/src/HopFrame.Core/Services/ITableManager.cs b/src/HopFrame.Core/Services/ITableManager.cs
new file mode 100644
index 0000000..ac8421f
--- /dev/null
+++ b/src/HopFrame.Core/Services/ITableManager.cs
@@ -0,0 +1,5 @@
+namespace HopFrame.Core.Services;
+
+public interface ITableManager {
+    public Task<IEnumerable<object>> LoadPage(int page, int perPage = 25);
+}
\ No newline at end of file
diff --git a/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs b/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs
index 332f9fd..0f4e086 100644
--- a/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs
+++ b/src/HopFrame.Core/Services/Implementations/ContextExplorer.cs
@@ -1,8 +1,9 @@
 using HopFrame.Core.Config;
+using Microsoft.EntityFrameworkCore;
 
 namespace HopFrame.Core.Services.Implementations;
 
-internal sealed class ContextExplorer(HopFrameConfig config) : IContextExplorer {
+internal sealed class ContextExplorer(HopFrameConfig config, IServiceProvider provider) : IContextExplorer {
     public IEnumerable<string> GetTableNames() {
         foreach (var context in config.Contexts) {
             foreach (var table in context.Tables) {
@@ -12,13 +13,28 @@ internal sealed class ContextExplorer(HopFrameConfig config) : IContextExplorer
         }
     }
     
-    public TableConfig? GetTable(string name) {
+    public TableConfig? GetTable(string tableName) {
         foreach (var context in config.Contexts) {
-            var table = context.Tables.FirstOrDefault(table => table.PropertyName == name);
+            var table = context.Tables.FirstOrDefault(table => table.PropertyName == tableName);
             if (table is not null)
                 return table;
         }
 
         return null;
     }
+
+    public ITableManager? GetTableManager(string tableName) {
+        foreach (var context in config.Contexts) {
+            var table = context.Tables.FirstOrDefault(table => table.PropertyName == tableName);
+            if (table is null) continue;
+            
+            var dbContext = provider.GetService(context.ContextType) as DbContext;
+            if (dbContext is null) return null;
+
+            var type = typeof(TableManager<>).MakeGenericType(table.TableType);
+            return Activator.CreateInstance(type, dbContext) as ITableManager;
+        }
+
+        return null;
+    }
 }
\ No newline at end of file
diff --git a/src/HopFrame.Core/Services/Implementations/TableManager.cs b/src/HopFrame.Core/Services/Implementations/TableManager.cs
new file mode 100644
index 0000000..535553d
--- /dev/null
+++ b/src/HopFrame.Core/Services/Implementations/TableManager.cs
@@ -0,0 +1,15 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace HopFrame.Core.Services.Implementations;
+
+internal sealed class TableManager<TModel>(DbContext context) : ITableManager where TModel : class {
+    
+    public async Task<IEnumerable<object>> LoadPage(int page, int perPage = 25) {
+        var table = context.Set<TModel>();
+        return await table
+            .Skip(page * perPage)
+            .Take(perPage)
+            .ToArrayAsync();
+    }
+    
+}
\ No newline at end of file
diff --git a/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor b/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor
index 99fe64d..87b9751 100644
--- a/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor
+++ b/src/HopFrame.Web/Components/Layout/HopFrameLayout.razor
@@ -1,5 +1,6 @@
 @using HopFrame.Core.Config
 @using HopFrame.Core.Services
+@using Microsoft.Extensions.DependencyInjection
 @inherits LayoutComponentBase
 
 <link rel="stylesheet" type='text/css' href="https://cdn.jsdelivr.net/gh/devicons/devicon@latest/devicon.min.css" />
@@ -29,19 +30,16 @@
     </FluentFooter>
 </FluentLayout>
 
-@inject IServiceProvider Provider
+@inject IHopFrameAuthHandler Handler
 @inject HopFrameConfig Config
 @inject NavigationManager Navigator
 
 @code {
 
     protected override async Task OnInitializedAsync() {
-        if (!string.IsNullOrEmpty(Config.BasePolicy)) {
-            var handler = Provider.GetService(Config.AuthHandler!) as IHopFrameAuthHandler;
-            var authorized = await handler!.IsAuthenticatedAsync(Config.BasePolicy);
-            if (!authorized) {
-                Navigator.NavigateTo((Config.LoginPageRewrite ?? "/login") + "?redirect=" + Navigator.Uri);
-            }
+        var authorized = await Handler.IsAuthenticatedAsync(Config.BasePolicy);
+        if (!authorized) {
+            Navigator.NavigateTo((Config.LoginPageRewrite ?? "/login") + "?redirect=/" + Navigator.ToBaseRelativePath(Navigator.Uri), true);
         }
     }
 
diff --git a/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor b/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor
index 0a703b9..ec93b38 100644
--- a/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor
+++ b/src/HopFrame.Web/Components/Layout/HopFrameNavigation.razor
@@ -1,28 +1,28 @@
 @using System.Text
 @using HopFrame.Core.Config
 @using HopFrame.Core.Services
+
 <FluentHeader Class="hopframe-header">
-    <a href="/admin" style="text-decoration: none; color: @Color.Neutral.ToAttributeValue()">HopFrame</a>
-    <FluentSpacer/>
+    <a href="/admin" style="text-decoration: none; color: @Color.Neutral.ToAttributeValue();">HopFrame</a>
 
     @if (Config.DisplayUserInfo) {
-        <FluentPersona Name="@_displayName" Initials="@_initials" ImageSize="32px" TextPosition="TextPosition.Start"/>
+        <FluentPersona Name="@_displayName" Initials="@_initials" ImageSize="32px" TextPosition="TextPosition.Start" Style="margin-left: auto"/>
     }
 
 </FluentHeader>
 
 @inject HopFrameConfig Config
-@inject IServiceProvider Provider
+@inject IHopFrameAuthHandler Handler
 
 @code {
 
     private string? _displayName;
     private string? _initials;
+    private string? _searchValue;
 
     protected override async Task OnInitializedAsync() {
         if (Config.DisplayUserInfo) {
-            var handler = Provider.GetService(Config.AuthHandler!) as IHopFrameAuthHandler;
-            _displayName = await handler!.GetCurrentUserDisplayNameAsync();
+            _displayName = await Handler.GetCurrentUserDisplayNameAsync();
             _initials = GetInitials(_displayName);
         }
     }
diff --git a/testing/HopFrame.Testing/Components/Pages/Home.razor b/testing/HopFrame.Testing/Components/Pages/Home.razor
index fbceb64..0e4fb43 100644
--- a/testing/HopFrame.Testing/Components/Pages/Home.razor
+++ b/testing/HopFrame.Testing/Components/Pages/Home.razor
@@ -8,11 +8,22 @@
 Welcome to your new Fluent Blazor app.
 
 @inject IContextExplorer Explorer
+@inject DatabaseContext Context
 
 @code {
 
-    protected override void OnInitialized() {
-        Console.WriteLine(string.Join(", ", Explorer.GetTableNames()));
+    protected override async Task OnInitializedAsync() {
+        for (int i = 0; i < 10; i++) {
+            Context.Users.Add(new() {
+                Email = "leon@ladenbau-hoppe.de",
+                Id = Guid.CreateVersion7()
+            });
+        }
+        await Context.SaveChangesAsync();
+        
+        var manager = Explorer.GetTableManager("Users");
+        var page = await manager!.LoadPage(0);
+        Console.WriteLine(string.Join(", ", page));
     }
 
 }
diff --git a/testing/HopFrame.Testing/DatabaseContext.cs b/testing/HopFrame.Testing/DatabaseContext.cs
index d62cb6d..85d512d 100644
--- a/testing/HopFrame.Testing/DatabaseContext.cs
+++ b/testing/HopFrame.Testing/DatabaseContext.cs
@@ -6,5 +6,13 @@ namespace HopFrame.Testing;
 public class DatabaseContext(DbContextOptions<DatabaseContext> options) : DbContext(options) {
 
     public DbSet<User> Users { get; set; }
-    
+    public DbSet<Post> Posts { get; set; }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder) {
+        base.OnModelCreating(modelBuilder);
+
+        modelBuilder.Entity<Post>()
+            .HasOne<User>()
+            .WithMany();
+    }
 }
\ No newline at end of file
diff --git a/testing/HopFrame.Testing/Models/Post.cs b/testing/HopFrame.Testing/Models/Post.cs
new file mode 100644
index 0000000..59290b7
--- /dev/null
+++ b/testing/HopFrame.Testing/Models/Post.cs
@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace HopFrame.Testing.Models;
+
+public class Post {
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public int Id { get; set; }
+    
+    [MaxLength(255)]
+    public required string Caption { get; set; }
+    
+    public required string Content { get; set; }
+
+    [ForeignKey("author")]
+    public User? Author { get; set; }
+}
\ No newline at end of file
diff --git a/testing/HopFrame.Testing/Models/User.cs b/testing/HopFrame.Testing/Models/User.cs
index 5233569..f602fbf 100644
--- a/testing/HopFrame.Testing/Models/User.cs
+++ b/testing/HopFrame.Testing/Models/User.cs
@@ -7,4 +7,8 @@ public class User {
     public string? Password { get; set; }
     public string? FirstName { get; set; }
     public string? LastName { get; set; }
+
+    public override string ToString() {
+        return Id.ToString();
+    }
 }
\ No newline at end of file
diff --git a/testing/HopFrame.Testing/Program.cs b/testing/HopFrame.Testing/Program.cs
index 1133beb..8e45fb2 100644
--- a/testing/HopFrame.Testing/Program.cs
+++ b/testing/HopFrame.Testing/Program.cs
@@ -1,6 +1,8 @@
+using HopFrame.Core.Services;
 using HopFrame.Testing;
 using Microsoft.FluentUI.AspNetCore.Components;
 using HopFrame.Testing.Components;
+using HopFrame.Testing.Services;
 using HopFrame.Web;
 using HopFrame.Web.Components.Pages;
 using Microsoft.EntityFrameworkCore;
@@ -17,10 +19,12 @@ builder.Services.AddDbContext<DatabaseContext>(options => {
 });
 
 builder.Services.AddHopFrame(options => {
-    options.DisplayUserInfo(false);
+    options.SetAuthHandler<AuthService>();
     options.AddDbContext<DatabaseContext>();
 });
 
+builder.Services.AddTransient<IHopFrameAuthHandler, AuthService>();
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
diff --git a/testing/HopFrame.Testing/Services/AuthService.cs b/testing/HopFrame.Testing/Services/AuthService.cs
new file mode 100644
index 0000000..bafd2b3
--- /dev/null
+++ b/testing/HopFrame.Testing/Services/AuthService.cs
@@ -0,0 +1,12 @@
+using HopFrame.Core.Services;
+
+namespace HopFrame.Testing.Services;
+
+public class AuthService : IHopFrameAuthHandler {
+    public Task<bool> IsAuthenticatedAsync(string? policy) {
+        return Task.FromResult(true);
+    }
+    public Task<string> GetCurrentUserDisplayNameAsync() {
+        return Task.FromResult("Leon Hoppe");
+    }
+}
\ No newline at end of file