BuecherwurmAPI/Models/KatalogModel.cs

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C#
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2020-06-02 10:55:17 +00:00
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)
{
}
}
}