oublie push

tp1/DbContextLib/Migrations/20240209010818_Mg.Designer.cs

@@ -1,47 +0,0 @@
-// <auto-generated />
-using DbContextLib;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Migrations;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace DbContextLib.Migrations
-{
-    [DbContext(typeof(LibraryContext))]
-    [Migration("20240209010818_Mg")]
-    partial class Mg
-    {
-        /// <inheritdoc />
-        protected override void BuildTargetModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "8.0.1");
-
-            modelBuilder.Entity("Entities.BookEntity", b =>
-                {
-                    b.Property<int>("ID")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Author")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Isbn")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Title")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("ID");
-
-                    b.ToTable("BooksSet");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}

tp1/DbContextLib/Migrations/20240209010818_Mg.cs

@@ -1,36 +0,0 @@
-using Microsoft.EntityFrameworkCore.Migrations;
-
-#nullable disable
-
-namespace DbContextLib.Migrations
-{
-    /// <inheritdoc />
-    public partial class Mg : Migration
-    {
-        /// <inheritdoc />
-        protected override void Up(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.CreateTable(
-                name: "BooksSet",
-                columns: table => new
-                {
-                    ID = table.Column<int>(type: "INTEGER", nullable: false)
-                        .Annotation("Sqlite:Autoincrement", true),
-                    Title = table.Column<string>(type: "TEXT", nullable: false),
-                    Author = table.Column<string>(type: "TEXT", nullable: false),
-                    Isbn = table.Column<string>(type: "TEXT", nullable: false)
-                },
-                constraints: table =>
-                {
-                    table.PrimaryKey("PK_BooksSet", x => x.ID);
-                });
-        }
-
-        /// <inheritdoc />
-        protected override void Down(MigrationBuilder migrationBuilder)
-        {
-            migrationBuilder.DropTable(
-                name: "BooksSet");
-        }
-    }
-}

tp1/DbContextLib/Migrations/LibraryContextModelSnapshot.cs

@@ -1,44 +0,0 @@
-// <auto-generated />
-using DbContextLib;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
-
-#nullable disable
-
-namespace DbContextLib.Migrations
-{
-    [DbContext(typeof(LibraryContext))]
-    partial class LibraryContextModelSnapshot : ModelSnapshot
-    {
-        protected override void BuildModel(ModelBuilder modelBuilder)
-        {
-#pragma warning disable 612, 618
-            modelBuilder.HasAnnotation("ProductVersion", "8.0.1");
-
-            modelBuilder.Entity("Entities.BookEntity", b =>
-                {
-                    b.Property<int>("ID")
-                        .ValueGeneratedOnAdd()
-                        .HasColumnType("INTEGER");
-
-                    b.Property<string>("Author")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Isbn")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.Property<string>("Title")
-                        .IsRequired()
-                        .HasColumnType("TEXT");
-
-                    b.HasKey("ID");
-
-                    b.ToTable("BooksSet");
-                });
-#pragma warning restore 612, 618
-        }
-    }
-}

tp1/Entities/BookEntity.cs

@@ -9,17 +9,14 @@ namespace Entities
 
     public class BookEntity
     {
-        public int ID { get; set; }
+        public long ID { get; set; }
         public string Title { get; set; }
         public string Author { get; set; }
         public string Isbn { get; set; }
 
-        public PersonEntity? Person { get; set; }
+        public int PersonId { get; set; }
+        public PersonEntity? Owner { get; set; } 
+
         
-        public BookEntity(string title, string author, string isbn) { 
-            Title = title;
-            Author = author;
-            Isbn = isbn;
-        }
     }
 }

tp1/Entities/Entities.csproj

@@ -6,4 +6,17 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.1">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.1" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.1">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+  </ItemGroup>
+
 </Project>

tp1/Entities/PersonEntity.cs

@@ -8,11 +8,12 @@ namespace Entities
 {
     public class PersonEntity
     {
-        public long Id { get; set; }
+        public int Id { get; set; }
         public string FirstName { get; set; }
         public string LastName { get; set; }
 
-        public ICollection<BookEntity> Books { get; set; }
+        public ICollection<BookEntity> Books { get; set; } = new List<BookEntity>();
+
         
     }
 }

tp1/TestStub/Program.cs

@@ -2,26 +2,32 @@
 using Entities;
 using DbContextLib;
 using Microsoft.Extensions.Options;
+using System.Reflection;
+using Microsoft.EntityFrameworkCore.Storage;
+using Microsoft.EntityFrameworkCore;
 
 // See https://aka.ms/new-console-template for more information
 Console.WriteLine("Hello, World!");
 
 using (var context = new LibraryContext())
 {
-    BookEntity chewie = new BookEntity("B3", "test1", "test1");
+    context.Database.EnsureCreated();
-    BookEntity yoda = new BookEntity ("B4", "test2", "test2");
-    BookEntity ewok = new BookEntity ("mistake", "test3", "test3");
-    BookEntity the100 = new BookEntity("the100", "test4", "test4");
 
-    context.BooksSet.Add(chewie);
+    PersonEntity p1 = new PersonEntity() { FirstName = "Tom", LastName = "Rambeau" };
-    context.BooksSet.Add(yoda);
+    PersonEntity p2 = new PersonEntity() { FirstName = "Erwan", LastName = "Manager" };
-    context.BooksSet.Add(ewok);
+    BookEntity chewie = new BookEntity() { Title = "mistake", Author = "test1", Isbn ="test1"};
-    context.BooksSet.Add(the100);
+    BookEntity the100 = new BookEntity() { Title = "the100", Author = "test4", Isbn = "test4", Owner = p1 };
+    BookEntity GOT = new BookEntity() { Title = "GOT", Author = "lastTest", Isbn = "lastTest"};
+
+    context.Add(p1);
+    context.Add(p2);
+    context.Add(chewie);
+    context.Add(GOT);
+    context.Add(the100);
 
     context.SaveChanges();
 }
 
-
 using (var context = new LibraryContext())
 {
     foreach (var n in context.BooksSet)
@@ -49,3 +55,81 @@ using (var context = new LibraryContext())
     context.SaveChanges();
 
 }
+
+using (var context = new LibraryContext())
+{
+    Console.WriteLine("All people");
+    var people = context.PersonSet;
+    foreach(var p in people)
+    {
+        Console.WriteLine($"firstname: {p.FirstName}, lastname: {p.LastName}");
+    }
+}
+
+//emprunt
+using (var context = new LibraryContext())
+{
+    var books = context.BooksSet;
+    foreach(var book in books)
+    {
+        if (book.Owner == null)
+        {
+            book.Owner = context.PersonSet.Where(b => b.FirstName.StartsWith("E")).Include(b => b.Books).First();
+            Console.WriteLine($" nouveau propriétaire du livre:  {book.Owner.FirstName}");
+            break;
+        }
+    }
+
+    context.SaveChanges();
+}
+
+
+//Rendu
+using (var context = new LibraryContext())
+{
+
+    var books = context.BooksSet;
+    if (books != null)
+    { 
+        foreach (var book in books)
+        {
+            //Console.WriteLine(book.Owner.FirstName);
+            if (book.Owner != null)
+            {
+                Console.WriteLine($" propriétaire du livre avant rendu : {book.Owner.FirstName}");
+                book.Owner = null;
+                Console.WriteLine("propriétaire a rendu  le libre");
+                break;
+            }
+            else
+            {
+                Console.WriteLine("livre sans propriétaire" + book.Title);
+            }
+        }
+    }
+    
+    context.SaveChanges();
+}
+
+
+//DeleteAllItem
+using (var context = new LibraryContext())
+{
+    var allBooks = context.BooksSet;
+    if ( allBooks != null)
+    {
+        foreach (var book in allBooks)
+        {
+            context.BooksSet.Remove(book);
+        }
+    }
+    var allPeople = context.PersonSet;
+    if (allBooks != null)
+    {
+        foreach (var person in allPeople)
+        {
+            context.PersonSet.Remove(person);
+        }
+    }
+    context.SaveChanges();
+}