Switched emails to being mandetory for users

ref #93

src/errors/UserErrors.ts

@@ -4,7 +4,7 @@ import { NotAcceptableError, NotFoundError } from 'routing-controllers';
 
 /**
  * Error to throw when no username or email is set.
- * We somehow need to identify you :)
+ * We somehow need to identify you on login.
  */
 export class UsernameOrEmailNeededError extends NotFoundError {
 	@IsString()
@@ -14,6 +14,18 @@ export class UsernameOrEmailNeededError extends NotFoundError {
 	message = "No username or email is set!"
 }
 
+/**
+ * Error to throw when no email is set.
+ * We somehow need to identify you :)
+ */
+export class UserEmailNeededError extends NotFoundError {
+	@IsString()
+	name = "UserEmailNeededError"
+
+	@IsString()
+	message = "No email is set! \n You have to provide email addresses for users (used for password reset among others)."
+}
+
 /**
  * Error to throw when a user couldn't be found.
  */