From 5fbd375b429025221c74677a58f88b4091389cd8 Mon Sep 17 00:00:00 2001
From: Natalia Portillo <claunia@claunia.com>
Date: Sat, 13 Sep 2025 03:32:10 +0100
Subject: [PATCH] Add device statistics page with delete functionality for
 device stats

---
 .../Components/Admin/AdminNavMenu.razor       |  3 +
 .../Admin/Pages/DeviceStats/View.razor        | 95 +++++++++++++++++++
 .../Admin/Pages/DeviceStats/View.razor.cs     | 75 +++++++++++++++
 3 files changed, 173 insertions(+)
 create mode 100644 Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor
 create mode 100644 Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor.cs

diff --git a/Aaru.Server/Components/Admin/AdminNavMenu.razor b/Aaru.Server/Components/Admin/AdminNavMenu.razor
index 35697904..ceb3483d 100644
--- a/Aaru.Server/Components/Admin/AdminNavMenu.razor
+++ b/Aaru.Server/Components/Admin/AdminNavMenu.razor
@@ -26,6 +26,9 @@
                 <NavLink class="nav-link" href="/admin/devices">
                     Device reports
                 </NavLink>
+                <NavLink class="nav-link" href="/admin/device-stats">
+                    Device statistics
+                </NavLink>
                 <NavLink class="nav-link" href="/admin/filesystems">
                     Filesystems
                 </NavLink>
diff --git a/Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor b/Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor
new file mode 100644
index 00000000..d72a20fb
--- /dev/null
+++ b/Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor
@@ -0,0 +1,95 @@
+@page "/admin/device-stats"
+@attribute [Authorize]
+@layout AdminLayout
+@rendermode InteractiveServer
+
+@inject Microsoft.EntityFrameworkCore.IDbContextFactory<DbContext> DbContextFactory
+
+<PageTitle>Device statistics</PageTitle>
+
+@if(!_initialized)
+{
+    <div class="stats-section">
+        <h1 style="color: red; align-content: center; padding: 2rem">Loading...</h1>
+    </div>
+
+    return;
+}
+
+<section class="stats-section">
+    <h4>Device statistics</h4>
+    <table class="table table-dark table-striped table-bordered mt-4 mb-4">
+        <thead class="thead-dark">
+        <tr>
+            <th class="fw-bold bg-secondary text-light">
+                @DisplayNameHelper.GetDisplayName(typeof(DeviceStat), nameof(DeviceStat.Manufacturer))
+            </th>
+            <th class="fw-bold bg-secondary text-light">
+                @DisplayNameHelper.GetDisplayName(typeof(DeviceStat), nameof(DeviceStat.Model))
+            </th>
+            <th class="fw-bold bg-secondary text-light">
+                @DisplayNameHelper.GetDisplayName(typeof(DeviceStat), nameof(DeviceStat.Revision))
+            </th>
+            <th class="fw-bold bg-secondary text-light">
+                @DisplayNameHelper.GetDisplayName(typeof(DeviceStat), nameof(DeviceStat.Bus))
+            </th>
+            <th class="fw-bold bg-secondary text-light">
+                Has report?
+            </th>
+            <th class="fw-bold bg-secondary text-light">
+                Actions
+            </th>
+        </tr>
+        </thead>
+        <tbody>
+        @foreach(DeviceStat item in _items)
+        {
+            <tr>
+                <td>
+                    @item.Manufacturer
+                </td>
+                <td>
+                    @item.Model
+                </td>
+                <td>
+                    @item.Revision
+                </td>
+                <td>
+                    @item.Bus
+                </td>
+                <td>
+                    @if(item.Report is null)
+                    {
+                        @("No")
+
+                        <a href="/admin/devices/find/@item.Id?bus=@item.Bus&manufacturer=@item.Manufacturer&model=@item.Model&revision=@item.Revision"
+                           target="_blank">(Find)</a>
+                    }
+                    else
+                    {
+                        <a href="/admin/devices/@item.Report.Id" target="_blank">Yes</a>
+                    }
+                </td>
+                <td>
+                    <a class="btn btn-secondary btn-sm" href="/admin/device-stats/edit/@item.Id">
+                        <i class="bi bi-pencil"></i> Edit
+                    </a>
+                    <button class="btn btn-danger btn-sm" @onclick="async () => await ShowDeleteModal(item.Id)">
+                        <i class="bi bi-trash"></i> Delete
+                    </button>
+                </td>
+            </tr>
+        }
+        </tbody>
+    </table>
+</section>
+
+<BlazorBootstrap.Modal @ref="_deleteModal" Title="Delete Version" Size="ModalSize.Small">
+    <BodyTemplate>
+        <div class="text-danger">Are you sure you want to delete this device statistic?</div>
+    </BodyTemplate>
+    <FooterTemplate>
+        <button class="btn btn-secondary" @onclick="HideDeleteModal">Cancel</button>
+        <button class="btn btn-danger" @onclick="ConfirmDelete">Delete</button>
+    </FooterTemplate>
+</BlazorBootstrap.Modal>
\ No newline at end of file
diff --git a/Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor.cs b/Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor.cs
new file mode 100644
index 00000000..81664beb
--- /dev/null
+++ b/Aaru.Server/Components/Admin/Pages/DeviceStats/View.razor.cs
@@ -0,0 +1,75 @@
+using Aaru.Server.Database.Models;
+using BlazorBootstrap;
+using Microsoft.EntityFrameworkCore;
+using DbContext = Aaru.Server.Database.DbContext;
+
+namespace Aaru.Server.Components.Admin.Pages.DeviceStats;
+
+public partial class View
+{
+    private int      _deleteId;
+    private Modal?   _deleteModal;
+    bool             _initialized;
+    List<DeviceStat> _items;
+
+    /// <inheritdoc />
+    protected override async Task OnInitializedAsync()
+    {
+        await base.OnInitializedAsync();
+
+        StateHasChanged();
+
+        await using DbContext ctx = await DbContextFactory.CreateDbContextAsync();
+
+        _items = await ctx.DeviceStats.OrderBy(static d => d.Manufacturer)
+                          .ThenBy(static d => d.Model)
+                          .ThenBy(static d => d.Bus)
+                          .ToListAsync();
+
+        _initialized = true;
+
+        StateHasChanged();
+    }
+
+    private async Task ShowDeleteModal(int id)
+    {
+        _deleteId = id;
+        if(_deleteModal != null) await _deleteModal.ShowAsync();
+    }
+
+    private async Task HideDeleteModal()
+    {
+        if(_deleteModal != null) await _deleteModal.HideAsync();
+    }
+
+    private async Task ConfirmDelete()
+    {
+        await DeleteAsync(_deleteId);
+        await HideDeleteModal();
+        await RefreshItemsAsync();
+    }
+
+    private async Task DeleteAsync(int id)
+    {
+        await using DbContext ctx  = await DbContextFactory.CreateDbContextAsync();
+        DeviceStat?           stat = await ctx.DeviceStats.FindAsync(id);
+
+        if(stat is not null)
+        {
+            ctx.DeviceStats.Remove(stat);
+            await ctx.SaveChangesAsync();
+        }
+    }
+
+    private async Task RefreshItemsAsync()
+    {
+        await using DbContext ctx = await DbContextFactory.CreateDbContextAsync();
+
+        _items = await ctx.DeviceStats.OrderBy(static d => d.Manufacturer)
+                          .ThenBy(static d => d.Model)
+                          .ThenBy(static d => d.Bus)
+                          .ToListAsync();
+
+        StateHasChanged();
+    }
+}
\ No newline at end of file