validate billing_email on save

Cargo.lock

@@ -699,6 +699,9 @@ name = "email_address"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b1b32a7a2580c4473f10f66b512c34bdd7d33c5e3473227ca833abdb5afe4809"
+dependencies = [
+ "serde",
+]
 
 [[package]]
 name = "encoding_rs"
@@ -3162,6 +3165,7 @@ dependencies = [
  "diesel",
  "diesel_migrations",
  "dotenvy",
+ "email_address",
  "fern",
  "futures",
  "governor",

Cargo.toml

@@ -110,6 +110,7 @@ url = "2.3.1"
 # Email librariese-Base, Update crates and small change.
 lettre = { version = "0.10.1", features = ["smtp-transport", "builder", "serde", "tokio1-native-tls", "hostname", "tracing", "tokio1"], default-features = false }
 percent-encoding = "2.2.0" # URL encoding library used for URL's in the emails
+email_address = "0.2.3"
 
 # Template library
 handlebars = { version = "4.3.5", features = ["dir_source"] }

src/db/models/organization.rs

@@ -217,6 +217,10 @@ use crate::error::MapResult;
 /// Database methods
 impl Organization {
     pub async fn save(&self, conn: &mut DbConn) -> EmptyResult {
+        if !email_address::EmailAddress::is_valid(self.billing_email.trim()) {
+            err!(format!("BillingEmail {} is not a valid email address", self.billing_email.trim()))
+        }
+
         for user_org in UserOrganization::find_by_org(&self.uuid, conn).await.iter() {
             User::update_uuid_revision(&user_org.user_uuid, conn).await;
         }