protected override void OnModelCreating(ModelBuilder builder)
{
base.OnModelCreating(builder);
builder.Entity <DbUserRole>(userRole =>
{
userRole.HasKey(ur => new { ur.UserId, ur.RoleId });
userRole.HasOne(ur => ur.Role)
.WithMany(r => r.UserRoles)
.HasForeignKey(ur => ur.RoleId)
.IsRequired();
userRole.HasOne(ur => ur.User)
.WithMany(r => r.UserRoles)
.HasForeignKey(ur => ur.UserId)
.IsRequired();
});
builder.Entity <PostTag>(PostTag =>
{
PostTag.HasKey(f => new { f.PostId, f.TagId });
PostTag.HasOne(p => p.MyPostOf)
.WithMany(r => r.PostTags)
.HasForeignKey(p => p.PostId)
.IsRequired();
PostTag.HasOne(ur => ur.TagOf)
.WithMany(r => r.PostTags)
.HasForeignKey(ur => ur.TagId)
.IsRequired();
});
}
