Add code to consolidate FireWire.

DiscImageChef.Server/Areas/Admin/Controllers/FireWiresController.cs

@@ -1,4 +1,4 @@
-using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 using DiscImageChef.CommonTypes.Metadata;
@@ -6,6 +6,7 @@ using DiscImageChef.Server.Models;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
 
 namespace DiscImageChef.Server.Areas.Admin.Controllers
 {
@@ -105,6 +106,76 @@ namespace DiscImageChef.Server.Areas.Admin.Controllers
 
         bool FireWireExists(int id) => _context.FireWire.Any(e => e.Id == id);
 
-        public IActionResult Consolidate() => throw new NotImplementedException();
+        public IActionResult Consolidate()
+        {
+            List<FireWireModel> dups = _context.FireWire.GroupBy(x => new
+            {
+                x.VendorID, x.ProductID, x.Manufacturer, x.Product,
+                x.RemovableMedia
+            }).Where(x => x.Count() > 1).Select(x => new FireWireModel
+            {
+                VendorID = x.Key.VendorID, ProductID     = x.Key.ProductID, Manufacturer = x.Key.Manufacturer,
+                Product  = x.Key.Product, RemovableMedia = x.Key.RemovableMedia
+            }).ToList();
+
+            return View(new FireWireModelForView
+            {
+                List = dups, Json = JsonConvert.SerializeObject(dups)
+            });
+        }
+
+        [HttpPost, ActionName("Consolidate"), ValidateAntiForgeryToken]
+        public IActionResult ConsolidateConfirmed(string models)
+        {
+            FireWireModel[] duplicates;
+
+            try
+            {
+                duplicates = JsonConvert.DeserializeObject<FireWireModel[]>(models);
+            }
+            catch(JsonSerializationException)
+            {
+                return BadRequest();
+            }
+
+            if(duplicates is null)
+                return BadRequest();
+
+            foreach(FireWireModel duplicate in duplicates)
+            {
+                FireWire master = _context.FireWire.FirstOrDefault(m => m.VendorID       == duplicate.VendorID     &&
+                                                                        m.ProductID      == duplicate.ProductID    &&
+                                                                        m.Manufacturer   == duplicate.Manufacturer &&
+                                                                        m.Product        == duplicate.Product      &&
+                                                                        m.RemovableMedia == duplicate.RemovableMedia);
+
+                if(master is null)
+                    continue;
+
+                foreach(FireWire firewire in _context.FireWire.Where(m => m.VendorID       == duplicate.VendorID     &&
+                                                                          m.ProductID      == duplicate.ProductID    &&
+                                                                          m.Manufacturer   == duplicate.Manufacturer &&
+                                                                          m.Product        == duplicate.Product      &&
+                                                                          m.RemovableMedia == duplicate.RemovableMedia).
+                                                      Skip(1).ToArray())
+                {
+                    foreach(Device device in _context.Devices.Where(d => d.FireWire.Id == firewire.Id))
+                    {
+                        device.FireWire = master;
+                    }
+
+                    foreach(UploadedReport report in _context.Reports.Where(d => d.FireWire.Id == firewire.Id))
+                    {
+                        report.FireWire = master;
+                    }
+
+                    _context.FireWire.Remove(firewire);
+                }
+            }
+
+            _context.SaveChanges();
+
+            return RedirectToAction(nameof(Index));
+        }
     }
 }

DiscImageChef.Server/Areas/Admin/Views/FireWires/Consolidate.cshtml

@@ -0,0 +1,61 @@
+@model FireWireModelForView
+
+@{
+    ViewBag.Title = "Consolidate duplicate FireWire";
+    Layout = "_Layout";
+}
+<h2>Consolidate duplicate FireWire</h2>
+<div>
+    The following FireWire have duplicates.
+    <table class="table">
+        <thead>
+        <tr>
+            <th>
+                @Html.DisplayNameFor(model => model.List[0].Manufacturer)
+            </th>
+            <th>
+                @Html.DisplayNameFor(model => model.List[0].Product)
+            </th>
+            <th>
+                @Html.DisplayNameFor(model => model.List[0].VendorID)
+            </th>
+            <th>
+                @Html.DisplayNameFor(model => model.List[0].ProductID)
+            </th>
+            <th>
+                @Html.DisplayNameFor(model => model.List[0].RemovableMedia)
+            </th>
+        </tr>
+        </thead>
+        <tbody>
+        @foreach (var item in Model.List)
+        {
+            <tr>
+                <td>
+                    @Html.DisplayFor(modelItem => item.Manufacturer)
+                </td>
+                <td>
+                    @Html.DisplayFor(modelItem => item.Product)
+                </td>
+                <td>
+                    @Html.DisplayFor(modelItem => item.VendorID)
+                </td>
+                <td>
+                    @Html.DisplayFor(modelItem => item.ProductID)
+                </td>
+                <td>
+                    @Html.DisplayFor(modelItem => item.RemovableMedia)
+                </td>
+            </tr>
+        }
+        </tbody>
+    </table>
+</div>
+<div>
+    Do you want to remove the duplicates?
+    <form asp-action="Consolidate" enctype="multipart/form-data">
+        <input type="hidden" asp-for="Json" name="models" />
+        <a asp-action="Index" class="btn btn-primary">Back to List</a>
+        <input class="btn btn-danger" type="submit" value="Consolidate" />
+    </form>
+</div>

DiscImageChef.Server/Models/FireWireModel.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+
+namespace DiscImageChef.Server.Models
+{
+    public class FireWireModel
+    {
+        [DisplayName("Vendor ID"), DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "0x{0:X8}")]
+        public uint VendorID { get; set; }
+        [DisplayName("Product ID"), DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "0x{0:X8}")]
+        public uint ProductID { get; set; }
+        [DisplayFormat(NullDisplayText = "Unknown")]
+        public string Manufacturer { get; set; }
+        [DisplayFormat(NullDisplayText = "Unknown")]
+        public string Product { get; set; }
+        [DisplayName("Is media removable?")]
+        public bool RemovableMedia { get; set; }
+    }
+
+    public class FireWireModelForView
+    {
+        public List<FireWireModel> List { get; set; }
+        public string              Json { get; set; }
+    }
+}