Fix clippy lint about too many arguments in login_foreign

src/core.rs

@@ -1259,15 +1259,15 @@ pub fn login_oauth<T: MedalConnection>(conn: &T, user_data: ForeignUserData, oau
     match conn.login_foreign(None,
                              &oauth_provider_id,
                              &user_data.foreign_id,
-                             user_data.foreign_type != UserType::User,
-                             user_data.foreign_type == UserType::Admin,
-                             &user_data.firstname,
-                             &user_data.lastname,
-                             match user_data.sex {
-                                 UserSex::Male => Some(1),
-                                 UserSex::Female => Some(2),
-                                 UserSex::Unknown => Some(0),
-                             }) {
+                             (user_data.foreign_type != UserType::User,
+                              user_data.foreign_type == UserType::Admin,
+                              &user_data.firstname,
+                              &user_data.lastname,
+                              match user_data.sex {
+                                  UserSex::Male => Some(1),
+                                  UserSex::Female => Some(2),
+                                  UserSex::Unknown => Some(0),
+                              })) {
         Ok(session_token) => Ok(session_token),
         Err(()) => {
             let mut data = json_val::Map::new();

src/db_conn.base.rs

@@ -441,8 +441,8 @@ impl MedalConnection for Connection {
     }
 
     //TODO: use session
-    fn login_foreign(&self, _session: Option<&str>, provider_id: &str, foreign_id: &str, is_teacher: bool,
-                     is_admin: bool, firstname: &str, lastname: &str, sex: Option<i32>)
+    fn login_foreign(&self, _session: Option<&str>, provider_id: &str, foreign_id: &str,
+                     (is_teacher, is_admin, firstname, lastname, sex): (bool, bool, &str, &str, Option<i32>))
                      -> Result<String, ()>
     {
         let session_token = helpers::make_session_token();
@@ -459,7 +459,17 @@ impl MedalConnection for Connection {
                              SET session_token = $1, csrf_token = $2, last_login = $3, last_activity = $3,
                                  is_teacher = $4, is_admin = $5,  firstname = $6, lastname = $7, sex = $8
                              WHERE id = $9";
-                self.execute(query, &[&session_token, &csrf_token, &now, &is_teacher, &is_admin, &firstname, &lastname, &sex, &id]).unwrap();
+                self.execute(query,
+                             &[&session_token,
+                               &csrf_token,
+                               &now,
+                               &is_teacher,
+                               &is_admin,
+                               &firstname,
+                               &lastname,
+                               &sex,
+                               &id])
+                    .unwrap();
 
                 Ok(session_token)
             }

src/db_conn.rs

@@ -32,8 +32,8 @@ pub trait MedalConnection {
 
     fn login(&self, session: Option<&str>, username: &str, password: &str) -> Result<String, ()>;
     fn login_with_code(&self, session: Option<&str>, logincode: &str) -> Result<String, ()>;
-    fn login_foreign(&self, session: Option<&str>, provider_id: &str, foreign_id: &str, is_teacher: bool,
-                     is_admin: bool, firstname: &str, lastname: &str, sex: Option<i32>)
+    fn login_foreign(&self, session: Option<&str>, provider_id: &str, foreign_id: &str,
+                     _: (bool, bool, &str, &str, Option<i32>))
                      -> Result<String, ()>;
     fn create_user_with_groupcode(&self, session: Option<&str>, groupcode: &str) -> Result<String, ()>;
     fn create_group_with_users(&self, group: Group);

src/db_conn_postgres.rs

@@ -551,8 +551,8 @@ impl MedalConnection for Connection {
     }
 
     //TODO: use session
-    fn login_foreign(&self, _session: Option<&str>, provider_id: &str, foreign_id: &str, is_teacher: bool,
-                     is_admin: bool, firstname: &str, lastname: &str, sex: Option<i32>)
+    fn login_foreign(&self, _session: Option<&str>, provider_id: &str, foreign_id: &str,
+                     (is_teacher, is_admin, firstname, lastname, sex): (bool, bool, &str, &str, Option<i32>))
                      -> Result<String, ()>
     {
         let session_token = helpers::make_session_token();

src/db_conn_sqlite_new.rs

@@ -551,8 +551,8 @@ impl MedalConnection for Connection {
     }
 
     //TODO: use session
-    fn login_foreign(&self, _session: Option<&str>, provider_id: &str, foreign_id: &str, is_teacher: bool,
-                     is_admin: bool, firstname: &str, lastname: &str, sex: Option<i32>)
+    fn login_foreign(&self, _session: Option<&str>, provider_id: &str, foreign_id: &str,
+                     (is_teacher, is_admin, firstname, lastname, sex): (bool, bool, &str, &str, Option<i32>))
                      -> Result<String, ()>
     {
         let session_token = helpers::make_session_token();