private static void TaskTwoSlow()
{
using (var context = new AdsEntities())
{
var ads = context.Ads
.ToList()
.Where(s => s.AdStatus.Status == "Published")
.Select(n => new
{
Title = n.Title,
Category = n.Category == null ? "(none)" : n.Category.Name,
Town = n.Town == null ? "(none)" : n.Town.Name,
PublishDate = n.Date
})
.ToList()
.OrderBy(o => o.PublishDate);
foreach (var ad in ads)
{
Console.WriteLine(
"{0} (Published on: {1}):\n\t- Category: {2};\n\t- Town: {3};",
ad.Title,
ad.PublishDate,
ad.Category,
ad.Town);
}
}
}
private static void TaskOneOptimized()
{
using (var context = new AdsEntities())
{
var ads = context.Ads.Include(c => c.Category).Include(t => t.Town).Include(u => u.AspNetUser).ToList();
foreach (var ad in ads)
{
Console.WriteLine(
"{0}:\n\t- Status: {1};\n\t- Category: {2};\n\t- Town: {3};\n\t- User: {4}",
ad.Title,
ad.AdStatus.Status,
ad.Category == null ? "(none)" : ad.Category.Name,
ad.Town == null ? "(none)" : ad.Town.Name,
ad.AspNetUser.Name);
}
}
}
private static void TaskThreeSelectOnlyTitle()
{
using (var context = new AdsEntities())
{
var timeElapsed = DateTime.Now;
var ads = context.Ads.Select(t => t.Title).ToList();
// foreach (var title in ads)
// {
// Console.WriteLine("Ad title: {0}", title);
// }
Console.WriteLine("Time elapsed (selecting just Title): {0}", DateTime.Now - timeElapsed);
}
}
