public static void Seed(BugTrackerContext context)
{
if (context.Set <Bug>().Any() || context.Set <Person>().Any())
{
return; // Don't seed if existing data is present
}
List <Bug> bugs;
List <Person> people;
using (var reader = new StreamReader(Path.Combine("SampleData", "Bugs.json")))
{
bugs = JsonConvert.DeserializeObject <List <Bug> >(reader.ReadToEnd());
}
using (var reader = new StreamReader(Path.Combine("SampleData", "People.json")))
{
people = JsonConvert.DeserializeObject <List <Person> >(reader.ReadToEnd());
}
var random = new Random(1); // Using a fixed seed gives a consistent set of seed data
context.Set <Person>().AddRange(people);
context.Set <Bug>().AddRange(bugs);
context.SaveChanges();
foreach (var bug in bugs)
{
var assigned = people.OrderBy(_ => random.Next()).Take(random.Next(0, 3));
foreach (var a in assigned)
{
bug.AssignedPeople.Add(
new AssignedBug
{
BugId = bug.Id,
PersonId = a.Id,
Person = a,
});
}
}
context.SaveChanges();
}
public static void Init(BugTrackerContext context)
{
context.Database.EnsureCreated();
}
