public void SeedData()
{
Blogs.AddRange(
Enumerable.Range(0, NumBlogs).Select(i => new Blog
{
BlogId = i,
//Title = "",
Name = $"Blog{i}",
Url = $"blog{i}.blogs.net",
CreationTime = new DateTime(2020, 1, 2),
Rating = i % 5
}));
SaveChanges();
}
/// <summary>
/// create population of Blog records
/// </summary>
/// <remarks>
/// 1 NB BlogId ranges from 1 to 1000 as per IDENTITY(1,1)
/// 2 so this is NOT zero-based
/// 3 alt possible for app to generate explicit BlogId values
/// </remarks>
public void SeedData(int numblogs, int seed = 123456)
{
const int ImageMin = 0, ImageMax = 3_000; // suppose Blog has a non-trivial payload like a .JPG that must be downloaded
var r = new Random(seed);
Blogs.AddRange(
Enumerable.Range(0, numblogs).Select(i => new Blog(r.Next(ImageMin, ImageMax))
{
//BlogId = i + Blog.baseID, // IDENTITY(1,1) by MSSQL, i.e. BlogId is NOT zero-based
Name = $"Blog{i}",
Url = $"blog{i}.blogs.net",
CreationTime = new DateTime(2020, 1, 1),
Rating = i % 5
}));
_ = SaveChanges();
}
