Add admin inventory management with paginated CRUD and Bootstrap 5 modals

MyCraftShop/Controllers/InventoryController.cs

@@ -0,0 +1,129 @@
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using MyCraftShop.Data;
+using MyCraftShop.Models;
+
+namespace MyCraftShop.Controllers
+{
+    public class InventoryController : Controller
+    {
+        private readonly ApplicationDbContext _context;
+        private const int PageSize = 10;
+
+        public InventoryController(ApplicationDbContext context)
+        {
+            _context = context;
+        }
+
+        // GET: Inventory
+        public async Task<IActionResult> Index(int page = 1)
+        {
+            var totalItems = await _context.InventoryItems.CountAsync();
+            var totalPages = (int)Math.Ceiling(totalItems / (double)PageSize);
+            page = Math.Max(1, Math.Min(page, Math.Max(1, totalPages)));
+
+            var items = await _context.InventoryItems
+                .OrderBy(i => i.Name)
+                .Skip((page - 1) * PageSize)
+                .Take(PageSize)
+                .ToListAsync();
+
+            ViewBag.CurrentPage = page;
+            ViewBag.TotalPages = totalPages;
+
+            return View(items);
+        }
+
+        // GET: Inventory/Create
+        public IActionResult Create()
+        {
+            return View();
+        }
+
+        // POST: Inventory/Create
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Create([Bind("Name,Description,CostPerItem,SalesPrice,Quantity")] InventoryItem inventoryItem)
+        {
+            if (ModelState.IsValid)
+            {
+                _context.Add(inventoryItem);
+                await _context.SaveChangesAsync();
+                return RedirectToAction(nameof(Index));
+            }
+            return View(inventoryItem);
+        }
+
+        // GET: Inventory/Edit/5
+        [HttpGet]
+        public async Task<IActionResult> Edit(int? id)
+        {
+            if (id == null)
+            {
+                return NotFound();
+            }
+
+            var inventoryItem = await _context.InventoryItems.FindAsync(id);
+            if (inventoryItem == null)
+            {
+                return NotFound();
+            }
+
+            return PartialView("_EditModal", inventoryItem);
+        }
+
+        // POST: Inventory/Edit/5
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Edit(int id, [Bind("Id,Name,Description,CostPerItem,SalesPrice,Quantity")] InventoryItem inventoryItem)
+        {
+            if (id != inventoryItem.Id)
+            {
+                return NotFound();
+            }
+
+            if (ModelState.IsValid)
+            {
+                try
+                {
+                    _context.Update(inventoryItem);
+                    await _context.SaveChangesAsync();
+                }
+                catch (DbUpdateConcurrencyException)
+                {
+                    if (!InventoryItemExists(inventoryItem.Id))
+                    {
+                        return NotFound();
+                    }
+                    else
+                    {
+                        throw;
+                    }
+                }
+                return RedirectToAction(nameof(Index));
+            }
+
+            return PartialView("_EditModal", inventoryItem);
+        }
+
+        // POST: Inventory/Delete/5
+        [HttpPost]
+        [ValidateAntiForgeryToken]
+        public async Task<IActionResult> Delete(int id)
+        {
+            var inventoryItem = await _context.InventoryItems.FindAsync(id);
+            if (inventoryItem != null)
+            {
+                _context.InventoryItems.Remove(inventoryItem);
+                await _context.SaveChangesAsync();
+            }
+
+            return RedirectToAction(nameof(Index));
+        }
+
+        private bool InventoryItemExists(int id)
+        {
+            return _context.InventoryItems.Any(e => e.Id == id);
+        }
+    }
+}

MyCraftShop/Data/ApplicationDbContext.cs

@@ -1,9 +1,11 @@
 using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
+using MyCraftShop.Models;
 
 namespace MyCraftShop.Data
 {
     public class ApplicationDbContext(DbContextOptions<ApplicationDbContext> options) : IdentityDbContext(options)
     {
+        public DbSet<InventoryItem> InventoryItems { get; set; }
     }
 }