public static async Task SeedAsync(MyContext myContext,
ILoggerFactory loggerFactory, int retry = 0)
{
int retryForAvailability = retry;
try
{
// TODO: Only run this if using a real database
// myContext.Database.Migrate();
if (!myContext.Posts.Any())
{
#region 无序数据添加
//myContext.Posts.AddRange(
// new List<Post>{
// new Post{
// Title = "Post Title 1",
// Body = "Post Body 1",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 2",
// Body = "Post Body 2",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 3",
// Body = "Post Body 3",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 4",
// Body = "Post Body 4",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 5",
// Body = "Post Body 5",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 6",
// Body = "Post Body 6",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 7",
// Body = "Post Body 7",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 8",
// Body = "Post Body 8",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 9",
// Body = "Post Body 9",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 10",
// Body = "Post Body 10",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 11",
// Body = "Post Body 11",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 12",
// Body = "Post Body 12",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 13",
// Body = "Post Body 13",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 14",
// Body = "Post Body 14",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 15",
// Body = "Post Body 15",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 16",
// Body = "Post Body 16",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 17",
// Body = "Post Body 17",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 18",
// Body = "Post Body 18",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 19",
// Body = "Post Body 19",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 20",
// Body = "Post Body 20",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 21",
// Body = "Post Body 21",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 22",
// Body = "Post Body 22",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 23",
// Body = "Post Body 23",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 24",
// Body = "Post Body 24",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 25",
// Body = "Post Body 25",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 26",
// Body = "Post Body 26",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 27",
// Body = "Post Body 27",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 28",
// Body = "Post Body 28",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 29",
// Body = "Post Body 29",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 30",
// Body = "Post Body 30",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 31",
// Body = "Post Body 31",
// Author = "zhusir",
// LastModified = DateTime.Now
// },
// new Post{
// Title = "Post Title 32",
// Body = "Post Body 32",
// Author = "zhusir",
// LastModified = DateTime.Now
// }
// }
//);
#endregion
myContext.Posts.Add(new Post
{
Title = "Post Title 1",
Body = "Post Body 1",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 2",
Body = "Post Body 44",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 3",
Body = "Post Body 3",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 4",
Body = "Post Body 233",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 5",
Body = "Post Body 5",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 6",
Body = "Post Body 70",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 7",
Body = "Post Body 7",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 8",
Body = "Post Body 8",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 9",
Body = "Post Body 9",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 10",
Body = "Post Body 50",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 11",
Body = "Post Body 11",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 12",
Body = "Post Body 12",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 13",
Body = "Post Body 13",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 14",
Body = "Post Body 44",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 15",
Body = "Post Body 15",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 80",
Body = "Post Body 16",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 17",
Body = "Post Body 17",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 18",
Body = "Post Body 18",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 88",
Body = "Post Body 19",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 20",
Body = "Post Body 20",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 21",
Body = "Post Body 21",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 22",
Body = "Post Body 22",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 23",
Body = "Post Body 23",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 24",
Body = "Post Body 24",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 25",
Body = "Post Body 25",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 26",
Body = "Post Body 26",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 27",
Body = "Post Body 27",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 28",
Body = "Post Body 28",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 29",
Body = "Post Body 29",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 30",
Body = "Post Body 30",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 31",
Body = "Post Body 31",
Author = "zhusir",
LastModified = DateTime.Now
}); await myContext.SaveChangesAsync();
myContext.Posts.Add(new Post
{
Title = "Post Title 32",
Body = "Post Body 32",
Author = "zhusir",
LastModified = DateTime.Now
});
await myContext.SaveChangesAsync();
}
}
catch (Exception ex)
{
if (retryForAvailability < 10)
{
retryForAvailability++;
var logger = loggerFactory.CreateLogger <MyContextSeed>();
logger.LogError(ex.Message);
await SeedAsync(myContext, loggerFactory, retryForAvailability);
}
}
}
