feat: ref codes

closes #8

lnvps_db/src/model.rs

@@ -14,9 +14,11 @@ pub struct User {
     pub pubkey: Vec<u8>,
     /// When this user first started using the service (first login)
     pub created: DateTime<Utc>,
+    /// Users email address for notifications
     pub email: Option<String>,
-    pub contact_nip4: bool,
+    /// If user should be contacted via NIP-17 for notifications
     pub contact_nip17: bool,
+    /// If user should be contacted via email for notifications
     pub contact_email: bool,
 }
 
@@ -222,6 +224,8 @@ pub struct Vm {
     pub mac_address: String,
     /// Is the VM deleted
     pub deleted: bool,
+    /// Referral code (recorded during ordering)
+    pub ref_code: Option<String>,
 }
 
 #[derive(FromRow, Clone, Debug, Default)]

lnvps_db/src/mysql.rs

@@ -69,7 +69,7 @@ impl LNVpsDb for LNVpsDbMysql {
     }
 
     async fn delete_user(&self, _id: u64) -> Result<()> {
-        todo!()
+        bail!("Deleting users is not supported")
     }
 
     async fn insert_user_ssh_key(&self, new_key: &UserSshKey) -> Result<u64> {
@@ -247,7 +247,7 @@ impl LNVpsDb for LNVpsDbMysql {
     }
 
     async fn insert_vm(&self, vm: &Vm) -> Result<u64> {
-        Ok(sqlx::query("insert into vm(host_id,user_id,image_id,template_id,ssh_key_id,created,expires,disk_id,mac_address) values(?, ?, ?, ?, ?, ?, ?, ?, ?) returning id")
+        Ok(sqlx::query("insert into vm(host_id,user_id,image_id,template_id,ssh_key_id,created,expires,disk_id,mac_address,ref_code) values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?) returning id")
             .bind(vm.host_id)
             .bind(vm.user_id)
             .bind(vm.image_id)
@@ -257,6 +257,7 @@ impl LNVpsDb for LNVpsDbMysql {
             .bind(vm.expires)
             .bind(vm.disk_id)
             .bind(&vm.mac_address)
+            .bind(&vm.ref_code)
             .fetch_one(&self.db)
             .await
             .map_err(Error::new)?