private async ValueTask SeedDb(AuthzContext dbContext, CancellationToken cancellationToken)
{
if (!await dbContext.Permissions.AnyAsync(cancellationToken))
{
// if no permissions are present, we create everything from scratch
// this is so we can all be in the same page during the blog post;
var permissions = new[]
{
new Permission(Guid.NewGuid(), Permissions.Create),
new Permission(Guid.NewGuid(), Permissions.Read),
new Permission(Guid.NewGuid(), Permissions.Update),
new Permission(Guid.NewGuid(), Permissions.Delete)
};
dbContext.Permissions.AddRange(permissions);
var users = new[]
{
new User(Guid.NewGuid(), "818727", "*****@*****.**"),
new User(Guid.NewGuid(), "88421113", "*****@*****.**")
};
dbContext.Users.AddRange(users);
var alicePermissions = new[]
{
// Alice has CRUD permissions
new UserPermission(Guid.NewGuid(), users[0].Id, permissions[0].Id),
new UserPermission(Guid.NewGuid(), users[0].Id, permissions[1].Id),
new UserPermission(Guid.NewGuid(), users[0].Id, permissions[2].Id),
new UserPermission(Guid.NewGuid(), users[0].Id, permissions[3].Id)
};
var bobPermissions = new[]
{
// Bob has only Read permission
new UserPermission(Guid.NewGuid(), users[1].Id, permissions[1].Id),
};
dbContext.UserPermissions.AddRange(alicePermissions.Concat(bobPermissions));
await dbContext.SaveChangesAsync(cancellationToken);
}
}
public UserPermissionService(AuthzContext dbContext)
{
_dbContext = dbContext;
}
