public static void Initialize(SupermarketCheckoutContext context)
{
var initializer = new SupermarketCheckoutInitializer();
initializer.SeedArticles(context);
initializer.SeedArticleDiscounts(context);
initializer.SeedArticlePrices(context);
}
public void SeedArticleDiscounts(SupermarketCheckoutContext context)
{
var articleDiscounts = new[]
{
new ArticleDiscount {
NewPrice = 45, NumberOfArticles = 2, ArticleId = context.Articles.FirstOrDefault(x => x.Name == "Apple").Id
},
new ArticleDiscount {
NewPrice = 130, NumberOfArticles = 3, ArticleId = context.Articles.FirstOrDefault(x => x.Name == "Banana").Id
}
};
foreach (var articleDiscount in articleDiscounts)
{
if (context.ArticleDiscounts.FirstOrDefault(x => x.ArticleId == articleDiscount.ArticleId) == null)
{
context.ArticleDiscounts.Add(articleDiscount);
context.SaveChanges();
}
}
}
public void SeedArticlePrices(SupermarketCheckoutContext context)
{
var articlePrices = new[]
{
new ArticlePrice {
UnitPrice = 50, ArticleId = context.Articles.FirstOrDefault(x => x.Name == "Banana").Id
},
new ArticlePrice {
UnitPrice = 30, ArticleId = context.Articles.FirstOrDefault(x => x.Name == "Apple").Id
},
new ArticlePrice {
UnitPrice = 60, ArticleId = context.Articles.FirstOrDefault(x => x.Name == "Peach").Id
}
};
foreach (var articlePrice in articlePrices)
{
if (context.ArticlePrices.FirstOrDefault(x => x.ArticleId == articlePrice.ArticleId) == null)
{
context.ArticlePrices.Add(articlePrice);
context.SaveChanges();
}
}
}
public void SeedArticles(SupermarketCheckoutContext context)
{
var articles = new[]
{
new Article {
Name = "Apple"
},
new Article {
Name = "Banana"
},
new Article {
Name = "Peach"
}
};
foreach (var article in articles)
{
if (context.Articles.FirstOrDefault(x => x.Name == article.Name) == null)
{
context.Articles.Add(article);
context.SaveChanges();
}
}
}