Fix clippy lint about too many arguments in login_foreign

src/core.rs

@@ -1234,23 +1234,22 @@ pub fn admin_show_participation<T: MedalConnection>(conn: &T, user_id: i32, cont
 
     let contest = conn.get_contest_by_id_complete(contest_id);
 
-    let subms: Vec<(String, Vec<(i32, Vec<(String, i32)>)>)> =
-        contest.taskgroups
-               .into_iter()
-               .map(|tg| {
-                   (tg.name,
-                    tg.tasks
-                      .into_iter()
-                      .map(|t| {
-                          (t.stars,
+    let subms: Vec<(String, Vec<(i32, Vec<(String, i32)>)>)> = contest.taskgroups
+                                                                      .into_iter()
+                                                                      .map(|tg| {
+                                                                          (tg.name,
+                                                                           tg.tasks
+                                                                             .into_iter()
+                                                                             .map(|t| {
+                                                                                 (t.stars,
                            conn.get_all_submissions(user_id, t.id.unwrap(), None)
                                .into_iter()
                                .map(|s| (self::time::strftime("%FT%T%z", &self::time::at(s.date)).unwrap(), s.grade))
                                .collect())
-                      })
-                      .collect())
-               })
-               .collect();
+                                                                             })
+                                                                             .collect())
+                                                                      })
+                                                                      .collect();
 
     let mut data = json_val::Map::new();
     data.insert("submissions".to_string(), to_json(&subms));
@@ -1304,15 +1303,15 @@ 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();

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();