todo stage1

MySolution/ToDoApp/Context/ToDoContext.cs

@@ -18,7 +18,5 @@ namespace ToDoApp.Context
             optionsBuilder.UseMySQL(@"Server=peacecloud.synology.me;Port=3307;Database=Study;Uid=study;Pwd=Study1234!;");
             base.OnConfiguring(optionsBuilder);
         }
-
-
     }
 }

MySolution/ToDoApp/MainWindow.xaml

@@ -3,10 +3,87 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:ToDoApp"
+        xmlns:local="clr-namespace:ToDoApp" xmlns:subcontrol="clr-namespace:ToDoApp.SubControl"
         mc:Ignorable="d"
-        Title="MainWindow" Height="450" Width="800">
+        Title="To Do" Height="800" Width="1000" WindowStartupLocation="CenterScreen"
+        Icon="./Resource/ToDo.png">
+
     <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="200"/>
+            <ColumnDefinition Width="*"/>
+            <ColumnDefinition Width="250"/>
+        </Grid.ColumnDefinitions>
+
+        <Grid Grid.Column="0" Margin="5" Background="WhiteSmoke">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="70"/>
+                <RowDefinition Height="40"/>
+                <RowDefinition Height="*"/>
+            </Grid.RowDefinitions>
+
+            <StackPanel Grid.Row="0" Orientation="Vertical" Margin="15">
+                <TextBlock x:Name="tbName" Text="Name" HorizontalAlignment="Left"
+                           FontSize="15" FontWeight="Bold"/>
+                <TextBlock x:Name="tbEmail" Text="mail@mail.com" HorizontalAlignment="Left"/>
+            </StackPanel>
+
+            <subcontrol:PlaceholderTextBox x:Name="tbxSearch" Grid.Row="1" VerticalAlignment="Center" TPlaceholder="검색" THeight="20"
+                                           KeyDown="tbxSearch_KeyDown"/>
+
+            <StackPanel Grid.Row="2" Orientation="Vertical">
+                <Button x:Name="btnToday" Content="☀️ 오늘 할 일" Height="30" Margin="5" Background="Transparent" BorderThickness="0" HorizontalContentAlignment="Left"/>
+                <Button x:Name="btnPlaned" Content="📅 계획된 일정" Height="30" Margin="5" Background="Transparent" BorderThickness="0" HorizontalContentAlignment="Left"/>
+                <Button x:Name="btnFinished" Content="✅ 완료됨" Height="30" Margin="5" Background="Transparent" BorderThickness="0" HorizontalContentAlignment="Left"/>
+                <Label Background="Gray" Height="1"/>
+                <Button x:Name="btnToDo" Content="💡 To Do" Height="30" Margin="5" Background="Transparent" BorderThickness="0" HorizontalContentAlignment="Left"/>
+            </StackPanel>
+        </Grid>
+
+        <Grid Grid.Column="1" Margin="20">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="30"/>
+                <RowDefinition Height="*"/>
+                <RowDefinition Height="40"/>
+            </Grid.RowDefinitions>
+
+            <TextBlock x:Name="tbTitle" Grid.Row="0" VerticalAlignment="Center" Text="Title"
+                       FontSize="25" FontWeight="Bold"/>
+            <ListBox x:Name="lbxContent" Grid.Row="1" HorizontalContentAlignment="Left" BorderThickness="0" Margin="0 10 0 0"
+                     SelectionChanged="lbxContent_SelectionChanged"/>
+
+            <subcontrol:PlaceholderTextBox x:Name="tbxNewItemName" Grid.Row="2" VerticalAlignment="Center" TPlaceholder="작업 추가" THeight="20"
+                                           KeyDown="tbxNewItem_KeyDown"/>
+        </Grid>
+
+        <Grid Grid.Column="2" Margin="5" Background="WhiteSmoke">
+            <Grid.RowDefinitions>
+                <RowDefinition Height="*"/>
+                <RowDefinition Height="50"/>
+            </Grid.RowDefinitions>
+
+            <StackPanel Grid.Row="0" Orientation="Vertical" Margin="5">
+                <subcontrol:PlaceholderTextBox x:Name="tbxItemName" VerticalAlignment="Center" TPlaceholder="검색" THeight="40"
+                   TFontWeight="Bold" TFontSize="20"/>
+                <TextBlock x:Name="tbItemCreatedAt" Text="0000년 00월 00일 0요일 생성됨" Foreground="Gray" TextAlignment="Right"/>
+                <Button x:Name="btnItemToday" HorizontalContentAlignment="Left" Height="30" Margin="0 10 0 0" Content="나의 하루에 추가" Background="Transparent" BorderThickness="0"/>
+                <DatePicker x:Name="dpItemDueDate" Margin="0 5 0 0" Background="Transparent"/>
+                <subcontrol:PlaceholderTextBox x:Name="tbxItemDescription" Margin="0 5 0 0" TPlaceholder="메모" THeight="200" TVerticalAlignment="Top"/>
+            </StackPanel>
+
+            <Grid Grid.Row="1">
+                <Grid.ColumnDefinitions>
+                    <ColumnDefinition Width="*"/>
+                    <ColumnDefinition Width="50"/>
+                </Grid.ColumnDefinitions>
+
+                <Button x:Name="btnUpdate" Grid.Column="0" Content="업데이트" Background="Transparent" BorderThickness="0" Margin="3"
+                        Click="btnUpdate_Click"/>
+                <Button x:Name="btnDelete" Grid.Column="1" Content="🗑️" Background="Transparent" BorderThickness="0" Margin="3"
+                        Click="btnDelete_Click"/>
+            </Grid>
+        </Grid>
 
+        
     </Grid>
 </Window>

MySolution/ToDoApp/MainWindow.xaml.cs

@@ -1,4 +1,5 @@
-using System;
+using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -13,8 +14,10 @@ using System.Windows.Media.Imaging;
 using System.Windows.Navigation;
 using System.Windows.Shapes;
 using ToDoApp.Context;
-using ToDoApp.Controller;
 using ToDoApp.Model;
+using ToDoApp.Service;
+using ToDoApp.SubControl;
+using ToDoApp.SubWindow;
 
 namespace ToDoApp
 {
@@ -23,6 +26,9 @@ namespace ToDoApp
     /// </summary>
     public partial class MainWindow : Window
     {
+        private User _user;
+        private Item _selectedItem;
+
         public MainWindow()
         {
             InitializeComponent();
@@ -32,13 +38,28 @@ namespace ToDoApp
                 MessageBox.Show("데이터베이스가 정상적이지 않아 프로그램을 종료합니다.");
                 Application.Current.Shutdown();
             }
+
+            if (CheckLogin() != true)
+            {
+                Application.Current.Shutdown();
+            }
+
+            InitInstance();
+        }
+
+        private void InitInstance()
+        {
+            tbName.Text = _user.Name;
+            tbEmail.Text = _user.Email;
+
+            RefreshList();
         }
 
         private bool CheckDB()
         {
             try
             {
-                ToDoController.Instance.EnsureCreated();
+                DbService.Instance.EnsureCreated();
                 return true;
             }
             catch (Exception ex)
@@ -47,5 +68,123 @@ namespace ToDoApp
             }
 
         }
+
+        private bool? CheckLogin()
+        {
+            try
+            {
+                LoginWindow dlg = new LoginWindow();
+                bool? isOk = dlg.ShowDialog();
+                _user = dlg.User;
+
+                return isOk;
+            }
+            catch (Exception ex)
+            {
+                return false;
+            }
+        }
+
+        private void RefreshList()
+        {
+            List<Item> items = GetAllItems();
+            SetToDoList(items);
+        }
+
+        private List<Item> GetAllItems()
+        {
+            return ItemService.Instance.FindAllNotCompletedItems(_user.Id);
+        }
+
+        private void SetToDoList(List<Item> items)
+        {
+            List<ToDoListItem> list = new List<ToDoListItem>();
+            foreach (Item item in items)
+            {
+                list.Add(new ToDoListItem(item));
+            }
+
+            lbxContent.ItemsSource = list;
+        }
+
+        private void SetSelectedItem(Item item)
+        {
+            _selectedItem = item;
+
+            tbxItemName.Text = _selectedItem.Title;
+            tbItemCreatedAt.Text = _selectedItem.CreateDate.ToString("yyyy년 MM월 dd일 ddd 생성됨");
+
+            if (_selectedItem.DueDate != null)
+                dpItemDueDate.SelectedDate = _selectedItem.DueDate;
+
+            if (_selectedItem.Description != null)
+                tbxItemDescription.Text = _selectedItem.Description;
+        }
+
+        private void ClearSelectedItem()
+        {
+            _selectedItem = null;
+
+            tbxItemName.Text = "";
+            tbItemCreatedAt.Text = "";
+            dpItemDueDate.SelectedDate = null;
+            tbxItemDescription.Text = "";
+        }
+
+        private void tbxNewItemName_KeyDown(object sender, KeyEventArgs e)
+        {
+
+        }
+
+        private void tbxSearch_KeyDown(object sender, KeyEventArgs e)
+        {
+
+        }
+
+        private void btnUpdate_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void btnDelete_Click(object sender, RoutedEventArgs e)
+        {
+            if (_selectedItem == null)
+                return;
+
+            ItemService.Instance.RemoveItem(_selectedItem.Id);
+
+            ClearSelectedItem();
+            RefreshList();
+        }
+
+        private void tbxNewItem_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key != Key.Enter)
+                return;
+
+            PlaceholderTextBox textBox = sender as PlaceholderTextBox;
+            if (textBox == null || string.IsNullOrEmpty(textBox.Text))
+                return;
+
+            Item newItem = new Item()
+            {
+                UserId = _user.Id,
+                Title = textBox.Text,
+            };
+
+            ItemService.Instance.CreateItem(newItem);
+            textBox.Text = "";
+
+            RefreshList();
+        }
+
+        private void lbxContent_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            ToDoListItem toDoListItem = lbxContent.SelectedItem as ToDoListItem;
+            if (toDoListItem == null) 
+                return;
+
+            SetSelectedItem(toDoListItem.Item);
+        }
     }
 }

MySolution/ToDoApp/Migrations/20231027075930_init.Designer.cs

@@ -0,0 +1,105 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using ToDoApp.Context;
+
+#nullable disable
+
+namespace ToDoApp.Migrations
+{
+    [DbContext(typeof(ToDoContext))]
+    [Migration("20231027075930_init")]
+    partial class init
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.13")
+                .HasAnnotation("Relational:MaxIdentifierLength", 64);
+
+            modelBuilder.Entity("ToDoApp.Model.Item", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("CreateDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime?>("DueDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<bool?>("IsCompleted")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<bool?>("IsToday")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Items");
+                });
+
+            modelBuilder.Entity("ToDoApp.Model.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("CreateDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("varchar(255)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("ToDoApp.Model.Item", b =>
+                {
+                    b.HasOne("ToDoApp.Model.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

MySolution/ToDoApp/Migrations/20231027075930_init.cs

@@ -0,0 +1,84 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+using MySql.EntityFrameworkCore.Metadata;
+
+#nullable disable
+
+namespace ToDoApp.Migrations
+{
+    /// <inheritdoc />
+    public partial class init : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AlterDatabase()
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("MySQL:ValueGenerationStrategy", MySQLValueGenerationStrategy.IdentityColumn),
+                    Name = table.Column<string>(type: "varchar(255)", nullable: false),
+                    Password = table.Column<string>(type: "longtext", nullable: false),
+                    Email = table.Column<string>(type: "longtext", nullable: false),
+                    CreateDate = table.Column<DateTime>(type: "datetime(6)", nullable: false),
+                    Status = table.Column<int>(type: "int", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Id);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateTable(
+                name: "Items",
+                columns: table => new
+                {
+                    Id = table.Column<int>(type: "int", nullable: false)
+                        .Annotation("MySQL:ValueGenerationStrategy", MySQLValueGenerationStrategy.IdentityColumn),
+                    UserId = table.Column<int>(type: "int", nullable: false),
+                    Title = table.Column<string>(type: "longtext", nullable: false),
+                    Description = table.Column<string>(type: "longtext", nullable: true),
+                    DueDate = table.Column<DateTime>(type: "datetime(6)", nullable: true),
+                    IsToday = table.Column<bool>(type: "tinyint(1)", nullable: true),
+                    IsCompleted = table.Column<bool>(type: "tinyint(1)", nullable: true),
+                    CreateDate = table.Column<DateTime>(type: "datetime(6)", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Items", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Items_Users_UserId",
+                        column: x => x.UserId,
+                        principalTable: "Users",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                })
+                .Annotation("MySQL:Charset", "utf8mb4");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Items_UserId",
+                table: "Items",
+                column: "UserId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_Name",
+                table: "Users",
+                column: "Name",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Items");
+
+            migrationBuilder.DropTable(
+                name: "Users");
+        }
+    }
+}

MySolution/ToDoApp/Migrations/ToDoContextModelSnapshot.cs

@@ -0,0 +1,102 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using ToDoApp.Context;
+
+#nullable disable
+
+namespace ToDoApp.Migrations
+{
+    [DbContext(typeof(ToDoContext))]
+    partial class ToDoContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.13")
+                .HasAnnotation("Relational:MaxIdentifierLength", 64);
+
+            modelBuilder.Entity("ToDoApp.Model.Item", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("CreateDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Description")
+                        .HasColumnType("longtext");
+
+                    b.Property<DateTime?>("DueDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<bool?>("IsCompleted")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<bool?>("IsToday")
+                        .HasColumnType("tinyint(1)");
+
+                    b.Property<string>("Title")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("UserId")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("Items");
+                });
+
+            modelBuilder.Entity("ToDoApp.Model.User", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("int");
+
+                    b.Property<DateTime>("CreateDate")
+                        .HasColumnType("datetime(6)");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("varchar(255)");
+
+                    b.Property<string>("Password")
+                        .IsRequired()
+                        .HasColumnType("longtext");
+
+                    b.Property<int>("Status")
+                        .HasColumnType("int");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Name")
+                        .IsUnique();
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("ToDoApp.Model.Item", b =>
+                {
+                    b.HasOne("ToDoApp.Model.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("User");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

MySolution/ToDoApp/Model/Item.cs

@@ -17,11 +17,13 @@ namespace ToDoApp.Model
         [Required]
         public string Title { get; set; }
 
-        public string Description { get; set; }
+        public string? Description { get; set; }
 
-        public DateTime DueDate { get; set; }
+        public DateTime? DueDate { get; set; }
 
-        public bool IsCompleted { get; set; }
+        public bool? IsToday { get; set; }
+
+        public bool? IsCompleted { get; set; }
 
         public DateTime CreateDate { get; set; }
 

MySolution/ToDoApp/Model/User.cs

@@ -1,4 +1,5 @@
-using System;
+using Microsoft.EntityFrameworkCore;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
@@ -13,6 +14,7 @@ namespace ToDoApp.Model
         Invalid
     }
 
+    [Index(nameof(Name), IsUnique = true)]
     public class User
     {
         public int Id { get; set; }
@@ -24,7 +26,7 @@ namespace ToDoApp.Model
         public string Password { get; set; }
 
         [EmailAddress(ErrorMessage = "Invalid email format")]
-        public string Email { get; set; }
+        public string? Email { get; set; }
 
         public DateTime CreateDate { get; set; }
 

MySolution/ToDoApp/Service/DbService.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ToDoApp.Context;
+
+namespace ToDoApp.Service
+{
+    public class DbService
+    {
+        public static DbService Instance { get; set; } = new DbService();
+
+        public void EnsureCreated()
+        {
+            using (var context = new ToDoContext())
+            {
+                context.Database.EnsureCreated();
+            }
+        }
+    }
+}

MySolution/ToDoApp/Service/ItemService.cs

@@ -0,0 +1,108 @@
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ToDoApp.Context;
+using ToDoApp.Model;
+using ToDoApp.Utility;
+
+namespace ToDoApp.Service
+{
+    public class ItemService
+    {
+        public static ItemService Instance { get; set; } = new ItemService();
+
+        public List<Item> FindAllItems(int userId)
+        {
+            using (var context = new ToDoContext())
+            {
+                return context.Items.Where(i => i.UserId == userId).ToList();
+            }
+        }
+
+        public List<Item> FindAllItems(User user)
+        {
+            using (var context = new ToDoContext())
+            {
+                return context.Items.Include(i => i.User).Where(i => i.User == user).ToList();
+            }
+        }
+
+        public List<Item> FindAllNotCompletedItems(int userId)
+        {
+            using (var context = new ToDoContext())
+            {
+                return context.Items.Include(i => i.User).Where(i => i.UserId == userId && i.IsCompleted != false).ToList();
+            }
+        }
+
+        public List<Item> FindAllNotCompletedItems(User user)
+        {
+            using (var context = new ToDoContext())
+            {
+                return context.Items.Include(i => i.User).Where(i => i.User == user && i.IsCompleted == false).ToList();
+            }
+        }
+
+        public Item? FindItem(int itemId)
+        {
+            using (var context = new ToDoContext())
+            {
+                return context.Items.FirstOrDefault(i => i.Id == itemId);
+            }
+        }
+
+        public Item? FindItem(Item item)
+        {
+            return FindItem(item.Id);
+        }
+
+        public void CreateItem(Item item)
+        {
+            using (var context = new ToDoContext())
+            {
+                item.CreateDate = DateTime.Now;
+                context.Items.Add(item);
+                context.SaveChanges();
+            }
+        }
+
+        public void UpdateItem(Item item)
+        {
+            using (var context = new ToDoContext())
+            {
+                Item? original = context.Items.Find(item.Id);
+                if (original == null)
+                    return;
+
+                original.Title = item.Title;
+                original.Description = item.Description;
+                original.DueDate = item.DueDate;
+                original.IsToday = item.IsToday;
+                original.IsCompleted = item.IsCompleted;
+
+                context.SaveChanges();
+            }
+        }
+
+        public void RemoveItem(int itemId)
+        {
+            using (var context = new ToDoContext())
+            {
+                Item? item = context.Items.Find(itemId);
+                if (item == null) 
+                    return;
+
+                context.Remove(item);
+                context.SaveChanges();
+            }
+        }
+
+        public void RemoveItem(Item item)
+        {
+            RemoveItem(item.Id);
+        }
+    }
+}

MySolution/ToDoApp/Service/UserService.cs

@@ -7,25 +7,17 @@ using ToDoApp.Context;
 using ToDoApp.Model;
 using ToDoApp.Utility;
 
-namespace ToDoApp.Controller
+namespace ToDoApp.Service
 {
-    public class ToDoController
+    public class UserService
     {
-        public static ToDoController Instance { get; set; } = new ToDoController();
+        public static UserService Instance { get; set; } = new UserService();
 
-        public void EnsureCreated()
+        public User? FindUser(int userId)
         {
             using (var context = new ToDoContext())
             {
-                context.Database.EnsureCreated();
-            }
-        }
-
-        public User? FindUser(int id)
-        {
-            using (var context = new ToDoContext())
-            {
-                return context.Users.Find(id);
+                return context.Users.Find(userId);
             }
         }
 
@@ -37,7 +29,7 @@ namespace ToDoApp.Controller
             }
         }
 
-        public bool LoginCheckUser(string username, string password)
+        public bool CheckUserLogin(string username, string password)
         {
             User? user = FindUser(username);
             if (user == null)
@@ -50,17 +42,18 @@ namespace ToDoApp.Controller
         {
             using (var context = new ToDoContext())
             {
+                user.Password = Utils.HashPassword(user.Password);
                 user.CreateDate = DateTime.Now;
                 context.Users.Add(user);
                 context.SaveChanges();
             }
         }
 
-        public void DisableUser(int id)
+        public void DisableUser(int userId)
         {
             using (var context = new ToDoContext())
             {
-                User? user = context.Users.Find(id);
+                User? user = context.Users.Find(userId);
                 if (user == null)
                     return;
 
@@ -82,11 +75,11 @@ namespace ToDoApp.Controller
             }
         }
 
-        public void RemoveUser(int id)
+        public void RemoveUser(int userId)
         {
             using (var context = new ToDoContext())
             {
-                User? user = context.Users.Find(id);
+                User? user = context.Users.Find(userId);
                 if (user == null)
                     return;
 
@@ -107,5 +100,10 @@ namespace ToDoApp.Controller
                 context.SaveChanges();
             }
         }
+
+        public void RemoveUser(User user)
+        {
+            RemoveUser(user.Id);
+        }
     }
 }

MySolution/ToDoApp/SubControl/PlaceholderTextBox.xaml

@@ -0,0 +1,14 @@
+<UserControl x:Class="ToDoApp.SubControl.PlaceholderTextBox"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:ToDoApp.SubControl"
+             mc:Ignorable="d" 
+             d:DesignHeight="50" d:DesignWidth="200">
+
+    <Grid>
+        <TextBox x:Name="tbxMain" Background="Transparent" Foreground="Gray" Text="{Binding TPlaceholder}" FontSize="{Binding TFontSize}" FontWeight="{Binding TFontWeight}" Height="{Binding THeight}"
+                 GotFocus="tbxMain_GotFocus" LostFocus="tbxMain_LostFocus"/>
+    </Grid>
+</UserControl>

MySolution/ToDoApp/SubControl/PlaceholderTextBox.xaml.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace ToDoApp.SubControl
+{
+    /// <summary>
+    /// PlaceholderTextBox.xaml에 대한 상호 작용 논리
+    /// </summary>
+    public partial class PlaceholderTextBox : UserControl
+    {
+        public string TPlaceholder { get; set; } = "";
+        public int TFontSize { get; set; } = 12;
+        public FontWeight TFontWeight { get; set; } = FontWeights.Normal;
+        public int THeight { get; set; } = 20;
+        public VerticalAlignment TVerticalAlignment { get; set; } = VerticalAlignment.Center;
+
+        public PlaceholderTextBox()
+        {
+            InitializeComponent();
+
+            this.DataContext = this;
+        }
+
+        public string Text
+        {
+            get { return tbxMain.Text; }
+            set { tbxMain.Text = value; }
+        }
+
+        private void tbxMain_GotFocus(object sender, RoutedEventArgs e)
+        {
+            TextBox textBox = sender as TextBox;
+            if (textBox == null)
+                return;
+
+            if (textBox.Text != this.TPlaceholder)
+                return;
+
+            textBox.Text = "";
+            textBox.Foreground = Brushes.Black;
+        }
+
+        private void tbxMain_LostFocus(object sender, RoutedEventArgs e)
+        {
+            TextBox textBox = sender as TextBox;
+            if (textBox == null)
+                return;
+
+            if (!string.IsNullOrEmpty(textBox.Text))
+                return;
+
+            textBox.Text = this.TPlaceholder;
+            textBox.Foreground = Brushes.Gray;
+        }
+    }
+}

MySolution/ToDoApp/SubControl/ToDoListItem.xaml

@@ -0,0 +1,32 @@
+<UserControl x:Class="ToDoApp.SubControl.ToDoListItem"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:ToDoApp.SubControl"
+             mc:Ignorable="d" 
+             d:DesignHeight="50" d:DesignWidth="300">
+    <Grid>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="25"/>
+            <ColumnDefinition Width="*"/>
+        </Grid.ColumnDefinitions>
+
+        <Grid.ContextMenu>
+            <ContextMenu>
+                <MenuItem x:Name="miToday" Header="오늘 하루에 추가"
+                          Click="miToday_Click"/>
+                <MenuItem x:Name="miFinish"  Header="완료됨으로 표시"
+                          Click="miFinish_Click"/>
+                <Separator/>
+                <MenuItem x:Name="miDelete" Header="작업 삭제" Foreground="OrangeRed"
+                          Click="miDelete_Click"/>
+            </ContextMenu>
+        </Grid.ContextMenu>
+
+        <CheckBox x:Name="ckbFinish" Grid.Column="0" HorizontalAlignment="Left" VerticalAlignment="Center"
+                  Checked="ckbFinish_Checked"/>
+
+        <TextBlock x:Name="tbItemName" Grid.Column="1" HorizontalAlignment="Left" VerticalAlignment="Center" Text="Item Name"/>
+    </Grid>
+</UserControl>

MySolution/ToDoApp/SubControl/ToDoListItem.xaml.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using ToDoApp.Model;
+
+namespace ToDoApp.SubControl
+{
+    /// <summary>
+    /// ToDoListItem.xaml에 대한 상호 작용 논리
+    /// </summary>
+    public partial class ToDoListItem : UserControl
+    {
+        public Item Item { get; set; }
+
+        public ToDoListItem(Item item)
+        {
+            InitializeComponent();
+
+            this.Item = item;
+            InitInstance();
+        }
+
+        private void InitInstance()
+        {
+            tbItemName.Text = this.Item.Title;
+            ckbFinish.IsChecked = this.Item.IsToday == true ? true : false;
+        }
+
+        private void miToday_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void miFinish_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void miDelete_Click(object sender, RoutedEventArgs e)
+        {
+
+        }
+
+        private void ckbFinish_Checked(object sender, RoutedEventArgs e)
+        {
+
+        }
+    }
+}

MySolution/ToDoApp/SubWindow/JoinWindow.xaml

@@ -0,0 +1,54 @@
+<Window x:Class="ToDoApp.SubWindow.JoinWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:ToDoApp.SubWindow"
+        mc:Ignorable="d"
+        Title="가입" Height="300" Width="300" ResizeMode="NoResize" WindowStyle="ToolWindow" WindowStartupLocation="CenterScreen"
+        Icon="../Resource/ToDo.png"
+        Loaded="Window_Loaded">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="2*"/>
+            <RowDefinition Height="2*"/>
+            <RowDefinition Height="2*"/>
+            <RowDefinition Height="2*"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="2*"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Orientation="Horizontal" HorizontalAlignment="Center">
+            <TextBlock Text="사용자" Width="80" TextAlignment="Center" VerticalAlignment="Center" Margin="5"/>
+            <TextBox x:Name="tbName" Width="150" VerticalAlignment="Center" Margin="5"
+                     KeyDown="tb_KeyDown"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Center">
+            <TextBlock Text="비밀번호" Width="80" TextAlignment="Center" VerticalAlignment="Center" Margin="5"/>
+            <PasswordBox x:Name="pbPassword" Width="150" VerticalAlignment="Center" Margin="5"
+                         PasswordChanged="PasswordChanged"
+                         KeyDown="tb_KeyDown"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="2" Orientation="Horizontal" HorizontalAlignment="Center">
+            <TextBlock Text="비밀번호 확인" Width="80" TextAlignment="Center" VerticalAlignment="Center" Margin="5"/>
+            <PasswordBox x:Name="pbVerification" Width="150" VerticalAlignment="Center" Margin="5"
+                         PasswordChanged="PasswordChanged"
+                         KeyDown="tb_KeyDown"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="3" Orientation="Horizontal" HorizontalAlignment="Center">
+            <TextBlock Text="이메일" Width="80" TextAlignment="Center" VerticalAlignment="Center" Margin="5"/>
+            <TextBox x:Name="tbEmail" Width="150" VerticalAlignment="Center" Margin="5"
+                     TextChanged="tbEmail_TextChanged"
+                     KeyDown="tb_KeyDown"/>
+        </StackPanel>
+
+        <TextBlock x:Name="tbMessage" Grid.Row="4" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="Red" Visibility="Collapsed"/>
+
+        <Button x:Name="btnJoin" Grid.Row="5" Width="150" HorizontalAlignment="Center" VerticalAlignment="Center"
+        Content="가입"
+        Click="btnJoin_Click"/>
+    </Grid>
+</Window>

MySolution/ToDoApp/SubWindow/JoinWindow.xaml.cs

@@ -0,0 +1,165 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Mail;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+using System.Xml.Linq;
+using ToDoApp.Model;
+using ToDoApp.Service;
+
+namespace ToDoApp.SubWindow
+{
+    /// <summary>
+    /// JoinWindow.xaml에 대한 상호 작용 논리
+    /// </summary>
+    public partial class JoinWindow : Window
+    {
+        public JoinWindow()
+        {
+            InitializeComponent();
+        }
+
+        private bool VerifyInfo()
+        {
+            if (!CheckName(tbName.Text))
+                return false;
+
+            if (!CheckPassword(pbPassword.Password, pbVerification.Password))
+                return false;
+
+            if (!CheckEmail(tbEmail.Text))
+                return false;
+
+            return true;
+        }
+
+        private bool CheckName(string name)
+        {
+            if (string.IsNullOrEmpty(name))
+            {
+                tbMessage.Text = "사용자 이름을 입력하세요.";
+                tbMessage.Visibility = Visibility.Visible;
+                return false;
+            }
+
+            User? user = UserService.Instance.FindUser(name);
+            if (user != null)
+            {
+                tbMessage.Text = "사용할 수 없는 이름입니다.";
+                tbMessage.Visibility = Visibility.Visible;
+                return false;
+            }
+            else
+            {
+                tbMessage.Visibility = Visibility.Collapsed;
+                return true;
+            }
+        }
+
+        private bool CheckPassword(string password, string verification)
+        {
+            if (string.IsNullOrEmpty(password) || string.IsNullOrEmpty(verification))
+            {
+                tbMessage.Text = "비밀번호를 입력하세요.";
+                tbMessage.Visibility = Visibility.Visible;
+                return false;
+            }
+
+            if (password != verification)
+            {
+                tbMessage.Text = "비밀번호가 일치하지 않습니다.";
+                tbMessage.Visibility = Visibility.Visible;
+                return false;
+            }
+            else
+            {
+                tbMessage.Visibility = Visibility.Collapsed;
+                return true;
+            }
+        }
+
+        private bool CheckEmail(string email)
+        {
+            if (string.IsNullOrEmpty(email))
+                return true;
+
+            try
+            {
+                MailAddress addr = new MailAddress(email);
+                if (addr.Address != email)
+                {
+                    tbMessage.Text = "이메일 형식이 올바르지 않습니다.";
+                    tbMessage.Visibility = Visibility.Visible;
+                    return false;
+                }
+                else
+                {
+                    tbMessage.Visibility = Visibility.Collapsed;
+                    return true;
+                }
+            }
+            catch
+            {
+                tbMessage.Text = "이메일 형식이 올바르지 않습니다.";
+                tbMessage.Visibility = Visibility.Visible;
+                return false;
+            }
+        }
+
+
+        private void btnJoin_Click(object sender, RoutedEventArgs e)
+        {
+            if (!VerifyInfo())
+            {
+                MessageBox.Show("가입할 수 없습니다.");
+                return;
+            }
+
+            User user = new User()
+            {
+                Name = tbName.Text,
+                Email = tbEmail.Text,
+                Password = pbPassword.Password,
+                CreateDate = DateTime.Now,
+                Status = UserStatus.Valid
+            };
+
+            UserService.Instance.CreateUser(user);
+
+            MessageBox.Show("가입되었습니다.");
+            this.Close();
+        }
+
+        private void PasswordChanged(object sender, RoutedEventArgs e)
+        {
+            CheckPassword(pbPassword.Password, pbVerification.Password);
+        }
+
+        private void tbEmail_TextChanged(object sender, TextChangedEventArgs e)
+        {
+            CheckEmail(tbEmail.Text);
+        }
+
+        private void tb_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key != Key.Enter)
+                return;
+
+            btnJoin_Click(this, null);
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            tbName.Focus();
+        }
+    }
+}

MySolution/ToDoApp/SubWindow/LoginWindow.xaml

@@ -0,0 +1,40 @@
+<Window x:Class="ToDoApp.SubWindow.LoginWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:ToDoApp.SubWindow"
+        mc:Ignorable="d"
+        Title="로그인" Height="180" Width="300" ResizeMode="NoResize" WindowStyle="ToolWindow" WindowStartupLocation="CenterScreen"
+        Icon="../Resource/ToDo.png"
+        Loaded="Window_Loaded">
+
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="*"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Grid.Row="0" Orientation="Horizontal" HorizontalAlignment="Center">
+            <TextBlock Text="사용자" Width="80" TextAlignment="Center" VerticalAlignment="Center" Margin="5"/>
+            <TextBox x:Name="tbName" Width="150" VerticalAlignment="Center" Margin="5"
+                     KeyDown="tb_KeyDown"/>
+        </StackPanel>
+
+        <StackPanel Grid.Row="1" Orientation="Horizontal" HorizontalAlignment="Center">
+            <TextBlock Text="비밀번호" Width="80" TextAlignment="Center" VerticalAlignment="Center" Margin="5"/>
+            <PasswordBox Width="150" x:Name="pbPassword" VerticalAlignment="Center" Margin="5"
+                         KeyDown="tb_KeyDown"/>
+        </StackPanel>
+
+        <Button x:Name="btnLogin" Grid.Row="2" Width="150" HorizontalAlignment="Center" VerticalAlignment="Center"
+                Content="로그인"
+                Click="btnLogin_Click"/>
+
+        <Button x:Name="btnJoin" Grid.Row="3" Width="150" HorizontalAlignment="Center" VerticalAlignment="Center"
+                Content="가입"
+                Click="btnJoin_Click"/>
+    </Grid>
+</Window>

MySolution/ToDoApp/SubWindow/LoginWindow.xaml.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+using ToDoApp.Model;
+using ToDoApp.Service;
+
+namespace ToDoApp.SubWindow
+{
+    /// <summary>
+    /// LoginWindow.xaml에 대한 상호 작용 논리
+    /// </summary>
+    public partial class LoginWindow : Window
+    {
+        public User User { get; set; }
+
+        public LoginWindow()
+        {
+            InitializeComponent();
+        }
+
+        private bool CheckLogin(string name, string password)
+        {
+            if (!UserService.Instance.CheckUserLogin(name, password))
+                return false;
+            else
+                return true;
+        }
+
+        private void btnLogin_Click(object sender, RoutedEventArgs e)
+        {
+            if (!CheckLogin(tbName.Text, pbPassword.Password))
+            {
+                MessageBox.Show("로그인 정보가 올바르지 않습니다.");
+            }
+            else
+            {
+                this.User = UserService.Instance.FindUser(tbName.Text);
+
+                this.DialogResult = true;
+                this.Close();
+            }
+        }
+
+        private void btnJoin_Click(object sender, RoutedEventArgs e)
+        {
+            JoinWindow dlg = new JoinWindow();
+            dlg.ShowDialog();
+        }
+
+        private void tb_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key != Key.Enter)
+                return;
+
+            btnLogin_Click(this, null);
+        }
+
+        private void Window_Loaded(object sender, RoutedEventArgs e)
+        {
+            tbName.Focus();
+        }
+    }
+}

MySolution/ToDoApp/ToDoApp.csproj

@@ -5,8 +5,17 @@
     <TargetFramework>net6.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
+    <ApplicationIcon>ToDo.ico</ApplicationIcon>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Remove="Resource\ToDo.png" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Include="ToDo.ico" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.13" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.13">
@@ -20,4 +29,10 @@
     <PackageReference Include="MySql.EntityFrameworkCore" Version="7.0.5" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Resource Include="Resource\ToDo.png">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Resource>
+  </ItemGroup>
+
 </Project>