From 878810f1b84e1643307109624e7b7227ee3502a3 Mon Sep 17 00:00:00 2001
From: michael-bailey <mickyb18a@gmail.com>
Date: Mon, 17 Mar 2025 13:59:36 +0000
Subject: [PATCH] Added basic File upload and storage controllers, views, and
 models

---
 .../Controllers/FilesController.cs            | 107 ++++++++++++++++++
 .../Data/ApplicationDbContext.cs              |   1 +
 FileStorageService.www/Data/FileBlock.cs      |   1 +
 FileStorageService.www/Data/FileHandle.cs     |   8 +-
 ...leHandleAndFileBlockMigration.Designer.cs} |   8 +-
 ...131631_FileHandleAndFileBlockMigration.cs} |   2 +-
 .../ApplicationDbContextModelSnapshot.cs      |   4 +-
 .../Models/FileHandleListModel.cs             |   6 +
 .../Models/FileHandleModel.cs                 |   9 ++
 FileStorageService.www/Models/NewFileModel.cs |  14 +++
 FileStorageService.www/Program.cs             |   1 +
 .../Views/Files/Index.cshtml                  |  35 ++++++
 FileStorageService.www/Views/Files/New.cshtml |  20 ++++
 .../Views/Files/SingleFile.cshtml             |  12 ++
 14 files changed, 217 insertions(+), 11 deletions(-)
 create mode 100644 FileStorageService.www/Controllers/FilesController.cs
 rename FileStorageService.www/Data/Migrations/{20250317003031_InitialFileModels.Designer.cs => 20250317131631_FileHandleAndFileBlockMigration.Designer.cs} (92%)
 rename FileStorageService.www/Data/Migrations/{20250317003031_InitialFileModels.cs => 20250317131631_FileHandleAndFileBlockMigration.cs} (96%)
 create mode 100644 FileStorageService.www/Models/FileHandleListModel.cs
 create mode 100644 FileStorageService.www/Models/FileHandleModel.cs
 create mode 100644 FileStorageService.www/Models/NewFileModel.cs
 create mode 100644 FileStorageService.www/Views/Files/Index.cshtml
 create mode 100644 FileStorageService.www/Views/Files/New.cshtml
 create mode 100644 FileStorageService.www/Views/Files/SingleFile.cshtml

diff --git a/FileStorageService.www/Controllers/FilesController.cs b/FileStorageService.www/Controllers/FilesController.cs
new file mode 100644
index 0000000..3111474
--- /dev/null
+++ b/FileStorageService.www/Controllers/FilesController.cs
@@ -0,0 +1,107 @@
+using System.Diagnostics.CodeAnalysis;
+using FileStorageService.www.Data;
+using FileStorageService.www.Models;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Build.Framework;
+using Microsoft.EntityFrameworkCore;
+
+namespace FileStorageService.www.Controllers;
+
+public class FilesController(ApplicationDbContext context) : Controller
+{
+	// GET
+	public async Task<IActionResult> Index(Guid? id)
+	{
+		if (id != null)
+		{
+			return await ViewSingleFile(id);
+		}
+		
+		var handles = await context.FileHandles
+			.Include(e => e.FileBlocks)
+			.Select(e => new FileHandleModel
+			{
+				FileName = e.Name,
+				BlockCount = e.FileBlocks.Count,
+				Id = e.Id,
+			})
+			.ToListAsync();
+
+		var model = new FileHandleListModel
+		{
+			FileHandles = handles
+		};
+		
+		return View(model);
+	}
+
+	private async Task<IActionResult> ViewSingleFile([DisallowNull] Guid? id)
+	{
+		var fileHandle = await context.FileHandles
+			.Include(e => e.FileBlocks)
+			.FirstAsync(e => e.Id ==id);
+
+		var model = new FileHandleModel
+		{
+			FileName = fileHandle.Name,
+			BlockCount = fileHandle.FileBlocks.Count,
+			Id = fileHandle.Id,
+		};
+
+		return View("SingleFile", model);
+	}
+
+	public IActionResult New()
+	{
+		return View(new NewFileModel
+		{
+			Name = "",
+			FileContents = null!
+		});
+	}
+
+	[HttpPost]
+	public async Task<IActionResult> New(NewFileModel model)
+	{
+		if (!ModelState.IsValid)
+		{
+			return BadRequest(ModelState.Values.SelectMany(v => v.Errors));
+		}
+
+		var handle = new FileHandle
+		{
+			Name = model.Name
+		};
+		context.Add(handle);
+		
+		var readStream = model.FileContents.OpenReadStream();
+		
+		await CreateFileBlocks(handle, readStream);
+		
+		await context.SaveChangesAsync();
+		
+		return Redirect($"/Files/{handle.Id}");
+	}
+
+	private async Task CreateFileBlocks(FileHandle fileHandle, Stream reader)
+	{
+
+		var blockNumber = 0;
+		
+		var buffer = new byte[1024];
+
+		while (await reader.ReadAsync(buffer) > 0)
+		{
+			var block = new FileBlock
+			{
+				BlockNumber = blockNumber++,
+				Data = buffer,
+				FileHandle = fileHandle
+			};
+
+			// context.Add(block);
+
+			fileHandle.FileBlocks.Add(block);
+		}
+	}
+}
\ No newline at end of file
diff --git a/FileStorageService.www/Data/ApplicationDbContext.cs b/FileStorageService.www/Data/ApplicationDbContext.cs
index eab4a2d..b59155a 100644
--- a/FileStorageService.www/Data/ApplicationDbContext.cs
+++ b/FileStorageService.www/Data/ApplicationDbContext.cs
@@ -9,4 +9,5 @@ public class ApplicationDbContext(
 {
 	 public DbSet<FileBlock> FileBlocks { get; set; }
 	 public DbSet<FileHandle> FileHandles { get; set; }
+	 
 }
\ No newline at end of file
diff --git a/FileStorageService.www/Data/FileBlock.cs b/FileStorageService.www/Data/FileBlock.cs
index 0c61b75..1b6ebdc 100644
--- a/FileStorageService.www/Data/FileBlock.cs
+++ b/FileStorageService.www/Data/FileBlock.cs
@@ -16,4 +16,5 @@ public class FileBlock
 	public required byte[] Data { get; init; }
 	
 	public required FileHandle FileHandle { get; init; }
+	
 }
diff --git a/FileStorageService.www/Data/FileHandle.cs b/FileStorageService.www/Data/FileHandle.cs
index 0a72f26..d5f3006 100644
--- a/FileStorageService.www/Data/FileHandle.cs
+++ b/FileStorageService.www/Data/FileHandle.cs
@@ -2,12 +2,12 @@ using System.ComponentModel.DataAnnotations;
 
 namespace FileStorageService.www.Data;
 
-public class FileHandle(string name)
+public class FileHandle
 {
-	public Guid Id { get; set; }
+	public Guid Id { get; init; }
 	
 	[MaxLength(64)]
-	public string Name { get; set; } = name;
+	public required string Name { get; set; }
 
-	public ICollection<FileBlock> Blocks { get; } = [];
+	public ICollection<FileBlock> FileBlocks { get; } = new List<FileBlock>();
 }
\ No newline at end of file
diff --git a/FileStorageService.www/Data/Migrations/20250317003031_InitialFileModels.Designer.cs b/FileStorageService.www/Data/Migrations/20250317131631_FileHandleAndFileBlockMigration.Designer.cs
similarity index 92%
rename from FileStorageService.www/Data/Migrations/20250317003031_InitialFileModels.Designer.cs
rename to FileStorageService.www/Data/Migrations/20250317131631_FileHandleAndFileBlockMigration.Designer.cs
index 0f903b5..8254fd9 100644
--- a/FileStorageService.www/Data/Migrations/20250317003031_InitialFileModels.Designer.cs
+++ b/FileStorageService.www/Data/Migrations/20250317131631_FileHandleAndFileBlockMigration.Designer.cs
@@ -11,8 +11,8 @@ using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 namespace FileStorageService.www.Data.Migrations
 {
     [DbContext(typeof(ApplicationDbContext))]
-    [Migration("20250317003031_InitialFileModels")]
-    partial class InitialFileModels
+    [Migration("20250317131631_FileHandleAndFileBlockMigration")]
+    partial class FileHandleAndFileBlockMigration
     {
         /// <inheritdoc />
         protected override void BuildTargetModel(ModelBuilder modelBuilder)
@@ -63,7 +63,7 @@ namespace FileStorageService.www.Data.Migrations
             modelBuilder.Entity("FileStorageService.www.Data.FileBlock", b =>
                 {
                     b.HasOne("FileStorageService.www.Data.FileHandle", "FileHandle")
-                        .WithMany("Blocks")
+                        .WithMany("FileBlocks")
                         .HasForeignKey("FileHandleId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
@@ -73,7 +73,7 @@ namespace FileStorageService.www.Data.Migrations
 
             modelBuilder.Entity("FileStorageService.www.Data.FileHandle", b =>
                 {
-                    b.Navigation("Blocks");
+                    b.Navigation("FileBlocks");
                 });
 #pragma warning restore 612, 618
         }
diff --git a/FileStorageService.www/Data/Migrations/20250317003031_InitialFileModels.cs b/FileStorageService.www/Data/Migrations/20250317131631_FileHandleAndFileBlockMigration.cs
similarity index 96%
rename from FileStorageService.www/Data/Migrations/20250317003031_InitialFileModels.cs
rename to FileStorageService.www/Data/Migrations/20250317131631_FileHandleAndFileBlockMigration.cs
index f0ab9cd..540b729 100644
--- a/FileStorageService.www/Data/Migrations/20250317003031_InitialFileModels.cs
+++ b/FileStorageService.www/Data/Migrations/20250317131631_FileHandleAndFileBlockMigration.cs
@@ -6,7 +6,7 @@ using Microsoft.EntityFrameworkCore.Migrations;
 namespace FileStorageService.www.Data.Migrations
 {
     /// <inheritdoc />
-    public partial class InitialFileModels : Migration
+    public partial class FileHandleAndFileBlockMigration : Migration
     {
         /// <inheritdoc />
         protected override void Up(MigrationBuilder migrationBuilder)
diff --git a/FileStorageService.www/Data/Migrations/ApplicationDbContextModelSnapshot.cs b/FileStorageService.www/Data/Migrations/ApplicationDbContextModelSnapshot.cs
index 10a654a..b0da111 100644
--- a/FileStorageService.www/Data/Migrations/ApplicationDbContextModelSnapshot.cs
+++ b/FileStorageService.www/Data/Migrations/ApplicationDbContextModelSnapshot.cs
@@ -60,7 +60,7 @@ namespace FileStorageService.www.Data.Migrations
             modelBuilder.Entity("FileStorageService.www.Data.FileBlock", b =>
                 {
                     b.HasOne("FileStorageService.www.Data.FileHandle", "FileHandle")
-                        .WithMany("Blocks")
+                        .WithMany("FileBlocks")
                         .HasForeignKey("FileHandleId")
                         .OnDelete(DeleteBehavior.Cascade)
                         .IsRequired();
@@ -70,7 +70,7 @@ namespace FileStorageService.www.Data.Migrations
 
             modelBuilder.Entity("FileStorageService.www.Data.FileHandle", b =>
                 {
-                    b.Navigation("Blocks");
+                    b.Navigation("FileBlocks");
                 });
 #pragma warning restore 612, 618
         }
diff --git a/FileStorageService.www/Models/FileHandleListModel.cs b/FileStorageService.www/Models/FileHandleListModel.cs
new file mode 100644
index 0000000..ef6eea1
--- /dev/null
+++ b/FileStorageService.www/Models/FileHandleListModel.cs
@@ -0,0 +1,6 @@
+namespace FileStorageService.www.Models;
+
+public class FileHandleListModel
+{
+	public List<FileHandleModel> FileHandles { get; init; }
+}
\ No newline at end of file
diff --git a/FileStorageService.www/Models/FileHandleModel.cs b/FileStorageService.www/Models/FileHandleModel.cs
new file mode 100644
index 0000000..acdcbbb
--- /dev/null
+++ b/FileStorageService.www/Models/FileHandleModel.cs
@@ -0,0 +1,9 @@
+namespace FileStorageService.www.Models;
+
+public class FileHandleModel
+{
+	public required string FileName { get; init; }
+	
+	public required int BlockCount { get; init; }
+	public required Guid Id { get; init; }
+}
\ No newline at end of file
diff --git a/FileStorageService.www/Models/NewFileModel.cs b/FileStorageService.www/Models/NewFileModel.cs
new file mode 100644
index 0000000..f67c52e
--- /dev/null
+++ b/FileStorageService.www/Models/NewFileModel.cs
@@ -0,0 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace FileStorageService.www.Models;
+
+public class NewFileModel
+{
+	
+	[MinLength(4)]
+	[Required]
+	public string Name { get; init; }
+	
+	[Required]
+	public IFormFile FileContents { get; init; }
+}
\ No newline at end of file
diff --git a/FileStorageService.www/Program.cs b/FileStorageService.www/Program.cs
index 56073aa..a74cfef 100644
--- a/FileStorageService.www/Program.cs
+++ b/FileStorageService.www/Program.cs
@@ -16,6 +16,7 @@ builder.Services.AddDatabaseDeveloperPageExceptionFilter();
 builder.Services.AddControllersWithViews();
 builder.Services.AddRazorPages();
 
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.
diff --git a/FileStorageService.www/Views/Files/Index.cshtml b/FileStorageService.www/Views/Files/Index.cshtml
new file mode 100644
index 0000000..d8996ee
--- /dev/null
+++ b/FileStorageService.www/Views/Files/Index.cshtml
@@ -0,0 +1,35 @@
+@model FileHandleListModel
+
+@{
+	ViewData["Title"] = "Files";
+	Layout = "_Layout";
+}
+
+<h2>All Files</h2>
+
+@if (!Model.FileHandles.Any())
+{
+	<p>No files available</p>
+}
+else
+{
+	<table class="table">
+		<thead>
+		<tr>
+			<th scope="col">Name</th>
+			<th scope="col">Block Count</th>
+			<th scope="col">Links</th>
+		</tr>
+		</thead>
+		<tbody>
+		@foreach(var file in Model.FileHandles)
+		{
+			<tr>
+				<th scope="row">@file.FileName</th>
+				<th scope="row">@file.BlockCount</th>
+				<th scope="row"><a asp-controller="Files" asp-action="Index" asp-route-id="@file.Id">View...</a></th>
+			</tr>
+		}
+		</tbody>
+	</table>
+}
\ No newline at end of file
diff --git a/FileStorageService.www/Views/Files/New.cshtml b/FileStorageService.www/Views/Files/New.cshtml
new file mode 100644
index 0000000..c5672cf
--- /dev/null
+++ b/FileStorageService.www/Views/Files/New.cshtml
@@ -0,0 +1,20 @@
+@model NewFileModel
+
+@{
+	ViewBag.Title = "title";
+	Layout = "_Layout";
+}
+
+<h2>New File</h2>
+
+<form asp-controller="Files" asp-action="New" method="post" enctype="multipart/form-data">
+	<div class="mb-3">
+		<label asp-for="Name">Name</label>
+		<input asp-for="Name">
+	</div>
+	<div class="mb-3">
+		<label asp-for="FileContents">File</label>
+		<input asp-for="FileContents">
+	</div>
+	<button type="submit" class="btn btn-primary">Submit</button>
+</form>
\ No newline at end of file
diff --git a/FileStorageService.www/Views/Files/SingleFile.cshtml b/FileStorageService.www/Views/Files/SingleFile.cshtml
new file mode 100644
index 0000000..653eaf8
--- /dev/null
+++ b/FileStorageService.www/Views/Files/SingleFile.cshtml
@@ -0,0 +1,12 @@
+@model FileHandleModel;
+
+@{
+
+}
+
+<h2>File - @Model.FileName</h2>
+
+<ul class="list-group">
+ <li class="list-group-item">File Name: @Model.FileName</li>
+ <li class="list-group-item">Block Count: @Model.BlockCount</li>
+</ul>
\ No newline at end of file