✨ Add edit feature

.gitignore

@@ -1,6 +1,8 @@
 # Created by https://www.toptal.com/developers/gitignore/api/dotnetcore,visualstudio,visualstudiocode
 # Edit at https://www.toptal.com/developers/gitignore?templates=dotnetcore,visualstudio,visualstudiocode
 
+/wwwroot/images/*.png
+
 ### DotnetCore ###
 # .NET Core build folders
 bin/

blazor_lab/Factories/ItemFactory.cs

@@ -0,0 +1,48 @@
+using blazor_lab.Models;
+
+namespace blazor_lab.Factories
+{
+    public static class ItemFactory
+    {
+        public static ItemModel ToModel(Item item, byte[] imageContent)
+        {
+            return new ItemModel
+            {
+                Id = item.Id,
+                DisplayName = item.DisplayName,
+                Name = item.Name,
+                RepairWith = item.RepairWith,
+                EnchantCategories = item.EnchantCategories,
+                MaxDurability = item.MaxDurability,
+                StackSize = item.StackSize,
+                ImageContent = imageContent
+            };
+        }
+
+        public static Item Create(ItemModel model)
+        {
+            return new Item
+            {
+                Id = model.Id,
+                DisplayName = model.DisplayName,
+                Name = model.Name,
+                RepairWith = model.RepairWith,
+                EnchantCategories = model.EnchantCategories,
+                MaxDurability = model.MaxDurability,
+                StackSize = model.StackSize,
+                CreatedDate = DateTime.Now
+            };
+        }
+
+        public static void Update(Item item, ItemModel model)
+        {
+            item.DisplayName = model.DisplayName;
+            item.Name = model.Name;
+            item.RepairWith = model.RepairWith;
+            item.EnchantCategories = model.EnchantCategories;
+            item.MaxDurability = model.MaxDurability;
+            item.StackSize = model.StackSize;
+            item.UpdatedDate = DateTime.Now;
+        }
+    }
+}

blazor_lab/Pages/Edit.razor

@@ -0,0 +1,89 @@
+@page "/edit/{Id:int}"
+
+<h3>Edit</h3>
+
+<EditForm Model="@itemModel" OnValidSubmit="@HandleValidSubmit">
+    <DataAnnotationsValidator />
+    <ValidationSummary />
+
+    <p>
+        <label for="display-name">
+            Display name:
+            <InputText id="display-name" @bind-Value="itemModel.DisplayName" />
+        </label>
+    </p>
+    <p>
+        <label for="name">
+            Name:
+            <InputText id="name" @bind-Value="itemModel.Name" />
+        </label>
+    </p>
+    <p>
+        <label for="stack-size">
+            Stack size:
+            <InputNumber id="stack-size" @bind-Value="itemModel.StackSize" />
+        </label>
+    </p>
+    <p>
+        <label for="max-durability">
+            Max durability:
+            <InputNumber id="max-durability" @bind-Value="itemModel.MaxDurability" />
+        </label>
+    </p>
+    <p>
+        Enchant categories:
+        <div>
+            @foreach (var enchant in enchantCategories)
+            {
+                <label>
+                    <input type="checkbox"
+                       checked="@(itemModel.EnchantCategories.Contains(enchant) ? "checked" : null)"
+                       @onchange="@(e => OnEnchantCategoriesChange(enchant, e.Value))" />
+                    @enchant
+                </label>
+            }
+        </div>
+    </p>
+    <p>
+        Repair with:
+        <div>
+            @foreach (var material in repairWith)
+            {
+                <label>
+                    <input type="checkbox"
+                       checked="@(itemModel.EnchantCategories.Contains(material) ? "checked" : null)"
+                       @onchange="@(e => OnRepairWithChange(material, e.Value))" />
+                    @material
+                </label>
+            }
+        </div>
+    </p>
+    <p>
+        <label>
+            Current Item image:
+            @if (File.Exists($"{WebHostEnvironment.WebRootPath}/images/{itemModel.Name}.png"))
+            {
+                <img src="images/@(itemModel.Name).png" class="img-thumbnail" title="@itemModel.DisplayName" alt="@itemModel.DisplayName" style="max-width: 150px" />
+            }
+            else
+            {
+                <img src="images/default.png" class="img-thumbnail" title="@itemModel.DisplayName" alt="@itemModel.DisplayName" style="max-width: 150px" />
+            }
+        </label>
+    </p>
+    <p>
+        <label>
+            Item image:
+            <InputFile OnChange="@LoadImage" accept=".png" />
+        </label>
+    </p>
+    <p>
+        <label>
+            Accept Condition:
+            <InputCheckbox @bind-Value="itemModel.AcceptConditions" />
+        </label>
+    </p>
+
+    <button type="submit">Submit</button>
+</EditForm>
+

blazor_lab/Pages/Edit.razor.cs

@@ -0,0 +1,116 @@
+using blazor_lab.Factories;
+using blazor_lab.Models;
+using blazor_lab.Services;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Forms;
+
+namespace blazor_lab.Pages
+{
+    public partial class Edit
+    {
+        [Parameter]
+        public int Id { get; set; }
+
+        /// <summary>
+        /// The default enchant categories.
+        /// </summary>
+        private readonly List<string> enchantCategories = new() { "armor", "armor_head", "armor_chest", "weapon", "digger", "breakable", "vanishable" };
+
+        /// <summary>
+        /// The current item model
+        /// </summary>
+        private ItemModel itemModel = new()
+        {
+            EnchantCategories = new List<string>(),
+            RepairWith = new List<string>()
+        };
+
+        /// <summary>
+        /// The default repair with.
+        /// </summary>
+        private readonly List<string> repairWith = new() { "oak_planks", "spruce_planks", "birch_planks", "jungle_planks", "acacia_planks", "dark_oak_planks", "crimson_planks", "warped_planks" };
+
+        [Inject]
+        public IDataService DataService { get; set; }
+
+        [Inject]
+        public NavigationManager NavigationManager { get; set; }
+
+        [Inject]
+        public IWebHostEnvironment WebHostEnvironment { get; set; }
+
+        protected override async Task OnInitializedAsync()
+        {
+            var item = await DataService.GetById(Id);
+
+            byte[] fileContent;
+
+            if (File.Exists($"{WebHostEnvironment.WebRootPath}/images/{itemModel.Name}.png"))
+            {
+                fileContent = await File.ReadAllBytesAsync($"{WebHostEnvironment.WebRootPath}/images/{item.Name}.png");
+            }
+            else
+            {
+                fileContent = await File.ReadAllBytesAsync($"{WebHostEnvironment.WebRootPath}/images/default.png");
+            }
+
+            // Set the model with the item
+            itemModel = ItemFactory.ToModel(item, fileContent);
+        }
+
+        private async Task HandleValidSubmit()
+        {
+            await DataService.Update(Id, itemModel);
+
+            NavigationManager.NavigateTo("list");
+        }
+
+        private async Task LoadImage(InputFileChangeEventArgs e)
+        {
+            // Set the content of the image to the model
+            using (var memoryStream = new MemoryStream())
+            {
+                await e.File.OpenReadStream().CopyToAsync(memoryStream);
+                itemModel.ImageContent = memoryStream.ToArray();
+            }
+        }
+
+        private void OnEnchantCategoriesChange(string item, object checkedValue)
+        {
+            if ((bool)checkedValue)
+            {
+                if (!itemModel.EnchantCategories.Contains(item))
+                {
+                    itemModel.EnchantCategories.Add(item);
+                }
+
+                return;
+            }
+
+            if (itemModel.EnchantCategories.Contains(item))
+            {
+                itemModel.EnchantCategories.Remove(item);
+            }
+        }
+
+        private void OnRepairWithChange(string item, object checkedValue)
+        {
+            if ((bool)checkedValue)
+            {
+                if (!itemModel.RepairWith.Contains(item))
+                {
+                    itemModel.RepairWith.Add(item);
+                }
+
+                return;
+            }
+
+            if (itemModel.RepairWith.Contains(item))
+            {
+                itemModel.RepairWith.Remove(item);
+            }
+        }
+    }
+
+
+}

blazor_lab/Pages/List.razor

@@ -50,7 +50,13 @@
                     Caption="Created on"
                     DisplayFormat="{0:d}"
                     DisplayFormatProvider="@System.Globalization.CultureInfo.GetCultureInfo("fr-FR")" />
-
+        <DataGridColumn TItem="Item" Field="@nameof(Item.Id)" Caption="Action">
+            <DisplayTemplate>
+                <a href="edit/@(context.Id)" class="btn btn-primary">
+                    <i class="fa fa-edit" /> Editer
+                </a>
+            </DisplayTemplate>
+        </DataGridColumn>
     </DataGrid>
 }
 

blazor_lab/Services/DataLocalService.cs

@@ -1,4 +1,5 @@
-using blazor_lab.Models;
+using blazor_lab.Factories;
+using blazor_lab.Models;
 using Blazored.LocalStorage;
 using Microsoft.AspNetCore.Components;
 using Microsoft.AspNetCore.Hosting;
@@ -29,26 +30,16 @@ namespace blazor_lab.Services
             pathToFakeData = $"{_navigationManager.BaseUri}fake-data.json";
         }
 
-        public async Task Add(ItemModel itemModel)
+        public async Task Add(ItemModel model)
         {
             // Get the current data
             var currentData = await _localStorageService.GetItemAsync<List<Item>>("data");
 
             // Simulate the Id
-            itemModel.Id = currentData.Max(item => item.Id) + 1;
+            model.Id = currentData.Max(item => item.Id) + 1;
 
             // Add the item to the current data
-            currentData.Add(new Item
-            {
-                Id = itemModel.Id,
-                DisplayName = itemModel.DisplayName,
-                Name = itemModel.Name,
-                RepairWith = itemModel.RepairWith,
-                EnchantCategories = itemModel.EnchantCategories,
-                MaxDurability = itemModel.MaxDurability,
-                StackSize = itemModel.StackSize,
-                CreatedDate = DateTime.Now
-            });
+            currentData.Add(ItemFactory.Create(model));
 
             // Save the image
             var imagePathInfo = new DirectoryInfo($"{_webHostEnvironment.WebRootPath}/images");
@@ -60,10 +51,10 @@ namespace blazor_lab.Services
             }
 
             // Determine the image name
-            var fileName = new FileInfo($"{imagePathInfo}/{itemModel.Name}.png");
+            var fileName = new FileInfo($"{imagePathInfo}/{model.Name}.png");
 
             // Write the file content
-            await File.WriteAllBytesAsync(fileName.FullName, itemModel.ImageContent);
+            await File.WriteAllBytesAsync(fileName.FullName, model.ImageContent);
 
             // Save the data
             await _localStorageService.SetItemAsync("data", currentData);
@@ -83,6 +74,18 @@ namespace blazor_lab.Services
             return (await _localStorageService.GetItemAsync<Item[]>("data")).Length;
         }
 
+        public async Task<Item> GetById(int id)
+        {
+            var item = (await _localStorageService.GetItemAsync<List<Item>>("data")).FirstOrDefault(w => w.Id == id);
+
+            if (item == null)
+            {
+                throw new FileNotFoundException($"could not find item #{id}");
+            }
+
+            return item;
+        }
+
         public async Task<List<Item>> List(int currentPage, int pageSize)
         {
             if (await _localStorageService.GetItemAsync<Item[]>("data") == null)
@@ -95,5 +98,30 @@ namespace blazor_lab.Services
 
             return (await _localStorageService.GetItemAsync<Item[]>("data")).Skip((currentPage - 1) * pageSize).Take(pageSize).ToList();
         }
+
+        public async Task Update(int id, ItemModel model)
+        {
+            var currentData = await _localStorageService.GetItemAsync<List<Item>>("data");
+            var item = await GetById(id);
+            var imagePathInfo = new DirectoryInfo($"{_webHostEnvironment.WebRootPath}/images");
+            if (!imagePathInfo.Exists)
+            {
+                imagePathInfo.Create();
+            }
+            if (item.Name != model.Name)
+            {
+                var oldFileName = new FileInfo($"{imagePathInfo}/{item.Name}.png");
+                if (oldFileName.Exists)
+                {
+                    File.Delete(oldFileName.FullName);
+                }
+            }
+            var fileName = new FileInfo($"{imagePathInfo}/{model.Name}.png");
+            await File.WriteAllBytesAsync(fileName.FullName, model.ImageContent);
+
+            ItemFactory.Update(item, model);
+
+            await _localStorageService.SetItemAsync("data", currentData);  
+        }
     }
 }

blazor_lab/Services/IDataService.cs

@@ -7,5 +7,7 @@ namespace blazor_lab.Services
         Task Add(ItemModel itemModel);
         Task<int> Count();
         Task<List<Item>> List(int currentPage, int pageSize);
+        Task<Item> GetById(int id);
+        Task Update(int id, ItemModel model);
     }
 }