Added KatalogModel

Controllers/KatalogController.cs

@@ -26,7 +26,7 @@ namespace BuecherwurmAPI.Controllers
 
         // POST Katalog
         [HttpPost]
-        public ActionResult<IEnumerable<Book>> NeuesBuch(Book book)
+        public ActionResult<IEnumerable<Book>> AddBook(Book book)
         {
 
             return Ok(new Book
@@ -49,7 +49,7 @@ namespace BuecherwurmAPI.Controllers
 
         // GET katalog/{id}
         [HttpGet("{id}", Name ="GetBookByID")]
-        public ActionResult <IEnumerable<Book>> GetBookByID(int id)
+        public ActionResult <IEnumerable<Book>> GetBookByID(long id)
         {
             var book = _repository.GetBookById(id);
             if (book != null)
@@ -62,7 +62,7 @@ namespace BuecherwurmAPI.Controllers
 
         // PUT Katalog/{id}
         [HttpPut("id")]
-        public ActionResult<IEnumerable<Book>> BuchBearbeiten(Book book)
+        public ActionResult<IEnumerable<Book>> EditBook(Book book)
         {
             return Ok(new Book
             {
@@ -83,14 +83,14 @@ namespace BuecherwurmAPI.Controllers
         
         // DELETE katalog/{id}
         [HttpDelete("id")]
-        public ActionResult<IEnumerable<Book>> BuchEntfernen (int id)
+        public ActionResult<IEnumerable<Book>> DeleteBook (long id)
         {
             var book = _repository.GetBookById(id);
             if(book == null)
                 {
                     return NotFound();
                 }
-            _repository.BuchEntfernen(book);
+            _repository.DeleteBook(book);
             return NoContent();
         }
 

Models/Book.cs

@@ -9,14 +9,14 @@ namespace BuecherwurmAPI.Models
         public string Country {get; set;}
         public string Link {get; set;}
         public string Language {get; set;}
-        public int Pages {get; set;}
+        public long Pages {get; set;}
-        public int Year {get; set;}
+        public long Year {get; set;}
         [Key]
         [Required]
-        public int ProductId { get; set; }
+        public long ProductId { get; set; }
         public CategoryEnum Category { get; set; }
         public string ImageLink { get; set; }
-        public int LendTime {get; set;}
+        public long LendTime {get; set;}
         public LendTypeEnum LendType {get; set;}
     }
 

Models/IBookRepo.cs

@@ -6,7 +6,9 @@ namespace BuecherwurmAPI.Models
     public interface IBookRepo
     {
         IEnumerable<Book> GetAllBooks();
-        Book GetBookById(int id);
+        Book GetBookById(long id);
-        void BuchEntfernen(Book book);
+        void DeleteBook(Book book);
+        void AddBook (Book book);
+        void EditBook (Book book);
     }
 }

Models/KatalogModel.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using BuecherwurmAPI.Models;
+using Microsoft.Data.Sqlite;
+using Microsoft.VisualBasic.CompilerServices;
+
+namespace BuecherwurmAPI.Models
+{
+    internal class Katalog : IBookRepo
+    {
+        private SqliteConnection _dbConnection;
+
+        public Katalog()
+        {
+            var connectionBuilder = new SqliteConnectionStringBuilder {DataSource = "LongWormMemory.db"};
+            _dbConnection = new SqliteConnection(connectionBuilder.ConnectionString);
+            _dbConnection.Open();
+        }
+
+        public IEnumerable<Book> GetAllBooks()
+        {
+            var books= new List<Book>();
+
+            using (var command = _dbConnection.CreateCommand())
+            {
+                command.CommandText = @"SELECT * FROM Books";
+                var dataReader = command.ExecuteReader();
+                
+                while (dataReader.Read())
+                {             
+                    books.Add(new Book
+                    {
+                        Name = (string) dataReader["Books"],
+                        Author = (string) dataReader["Author"],
+                        Country = (string) dataReader["Country"],
+                        Link = (string) dataReader["Link"],
+                        Language = (string) dataReader["Language"],
+                        Pages = (long) dataReader["Pages"],
+                        Year = (long) dataReader["Year"],
+                        ProductId = (long) dataReader["ProductId"],
+                        Category = (CategoryEnum) dataReader["Category"],
+                        ImageLink = (string) dataReader["ImageLink"],
+                        LendTime = (long) dataReader["LendTime"],
+                        LendType = (LendTypeEnum) dataReader["LendType"]
+                    });
+                }
+            }
+            return books;
+        }
+
+        public Book GetBookById(long id)
+        {
+            using (var command = _dbConnection.CreateCommand())
+            {
+                command.Parameters.Add(new SqliteParameter("@id", SqliteType.Integer)).Value = id;
+                command.CommandText = @"SELECT * FROM Books WHERE ProductId = @id";
+                var dataReader = command.ExecuteReader();
+
+                    var book = new Book
+                    {
+                        Name = (string) dataReader["Books"],
+                        Author = (string) dataReader["Author"],
+                        Country = (string) dataReader["Country"],
+                        Link = (string) dataReader["Link"],
+                        Language = (string) dataReader["Language"],
+                        Pages = (long) dataReader["Pages"],
+                        Year = (long) dataReader["Year"],
+                        ProductId = (long) dataReader["ProductId"],
+                        Category = (CategoryEnum) dataReader["Category"],
+                        ImageLink = (string) dataReader["ImageLink"],
+                        LendTime = (long) dataReader["LendTime"],
+                        LendType = (LendTypeEnum) dataReader["LendType"]
+                    };
+                    return book;
+            }
+        }
+        public void DeleteBook(Book book)
+        {
+
+        }
+
+        public void AddBook (Book book)
+        {
+
+        }
+
+        public void EditBook (Book book)
+        {
+
+        }
+
+    }
+}