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create new empty database if not exists

Amedeo
nek0 2 years ago
parent
commit
b3057362be
  1. 30
      Program.cs

30
Program.cs

@ -1,7 +1,9 @@
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Data.Sqlite;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Hosting;
@ -13,9 +15,37 @@ namespace BuecherwurmAPI
{
public static void Main(string[] args)
{
if (!File.Exists("LongWormMemory.db"))
{
CreateNewEmptyDB();
MakeImports();
}
CreateHostBuilder(args).Build().Run();
}
private static void MakeImports()
{
throw new NotImplementedException();
}
private static void CreateNewEmptyDB()
{
File.Create("LongWormMemory.db");
var connectionBuilder = new SqliteConnectionStringBuilder {DataSource = "LongWormMemory.db"};
var connection = new SqliteConnection(connectionBuilder.ConnectionString);
connection.Open();
using (var command = connection.CreateCommand())
{
command.CommandText = "CREATE TABLE Lends (Id INTEGER NOT NULL PRIMARY KEY, ItemId INTEGER NOT NULL, ReturnDate TEXT NOT NULL, Customer TEXT NOT NULL, Returned INTEGER NOT NULL)";
command.ExecuteNonQuery();
command.CommandText = "CREATE TABLE Items (ItemId INTEGER NOT NULL PRIMARY KEY, BookId INTEGER NOT NULL)";
command.ExecuteNonQuery();
command.CommandText = "CREATE TABLE Books (ProductId INTEGER PRIMARY KEY, Name TEXT, Author TEXT, Country TEXT, Link TEXT, Language TEXT, Pages INTEGER, Year INTEGER, Category INTEGER, ImageLink TEXT, LendTime INTEGER, LendType INTEGER)";
command.ExecuteNonQuery();
}
}
public static IHostBuilder CreateHostBuilder(string[] args) =>
Host.CreateDefaultBuilder(args)
.ConfigureWebHostDefaults(webBuilder =>

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