Add email code logic and move two_factor into separate modules

src/db/models/two_factor.rs

@@ -1,5 +1,12 @@
+use diesel;
+use diesel::prelude::*;
 use serde_json::Value;
 
+use crate::api::EmptyResult;
+use crate::db::DbConn;
+use crate::db::schema::twofactor;
+use crate::error::MapResult;
+
 use super::User;
 
 #[derive(Debug, Identifiable, Queryable, Insertable, Associations)]
@@ -28,6 +35,8 @@ pub enum TwoFactorType {
     // These are implementation details
     U2fRegisterChallenge = 1000,
     U2fLoginChallenge = 1001,
+    EmailVerificationChallenge = 1002,
+
 }
 
 /// Local methods
@@ -59,14 +68,6 @@ impl TwoFactor {
     }
 }
 
-use crate::db::schema::twofactor;
-use crate::db::DbConn;
-use diesel;
-use diesel::prelude::*;
-
-use crate::api::EmptyResult;
-use crate::error::MapResult;
-
 /// Database methods
 impl TwoFactor {
     pub fn save(&self, conn: &DbConn) -> EmptyResult {