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medal
medal
Commit 02741ce1 authored by Robert Czechowski's avatar Robert Czechowski
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Add message field to contest, allow contest to have zero taskgroups in order to just show a message

parent c0a17ffd
Pipeline #799 passed with stages
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      Showing with 180 additions and 95 deletions
      migrations/postgres/0002_alter_contest_add_message.sql 0 → 100644
      View file @ 02741ce1
      ALTER TABLE contest ADD COLUMN message TEXT;
      migrations/sqlite_v2/0002_alter_contest_add_message.sql 0 → 100644
      View file @ 02741ce1
      ALTER TABLE contest ADD COLUMN message TEXT;
      src/contestreader_yaml.rs
      View file @ 02741ce1
      ......@@ -28,6 +28,7 @@ struct ContestYaml {
      requires_login: Option<bool>,
      secret: Option<String>,
      message: Option<String>,
      min_grade: Option<i32>,
      max_grade: Option<i32>,
      ......@@ -61,7 +62,8 @@ pub fn parse_yaml(content: &str, filename: &str, directory: &str) -> Option<Cont
      config.max_grade,
      config.position,
      config.requires_login,
      config.secret);
      config.secret,
      config.message);
      // TODO: Timeparsing should fail more pleasantly (-> Panic, thus shows message)
      for (positionalnumber, (name, info)) in config.tasks?.into_iter().enumerate() {
      ......
      src/core.rs
      View file @ 02741ce1
      ......@@ -299,6 +299,7 @@ pub fn show_contest<T: MedalConnection>(conn: &T, contest_id: i32, session_token
      data.insert("parent".to_string(), to_json(&"base"));
      data.insert("empty".to_string(), to_json(&"empty"));
      data.insert("contest".to_string(), to_json(&ci));
      data.insert("message".to_string(), to_json(&contest.message));
      fill_oauth_data(oauth_infos, &mut data);
      let constraints = check_contest_constraints(&session, &contest);
      ......@@ -310,6 +311,10 @@ pub fn show_contest<T: MedalConnection>(conn: &T, contest_id: i32, session_token
      data.insert("has_duration".to_string(), to_json(&has_duration));
      data.insert("can_start".to_string(), to_json(&can_start));
      let has_tasks = contest.taskgroups.len() > 0;
      data.insert("has_tasks".to_string(), to_json(&has_tasks));
      data.insert("no_tasks".to_string(), to_json(&!has_tasks));
      // Autostart if appropriate
      // TODO: Should participation start automatically for teacher? Even before the contest start?
      // Should teachers have all time access or only the same limited amount of time?
      ......@@ -878,13 +883,18 @@ pub fn show_profile<T: MedalConnection>(conn: &T, session_token: &str, user_id:
      let now = time::get_time();
      // TODO: Needs to be filtered
      let participations: Vec<(i32, String, bool, bool)> = conn.get_all_participations_complete(session.id).into_iter().rev().map(|(participation, contest)| {
      let passed_secs = now.sec - participation.start.sec;
      let left_secs = i64::from(contest.duration) * 60 - passed_secs;
      let is_time_left = contest.duration == 0 || left_secs >= 0;
      let has_timelimit = contest.duration != 0;
      (contest.id.unwrap(), contest.name, has_timelimit, is_time_left)
      }).collect();
      let participations: Vec<(i32, String, bool, bool)> =
      conn.get_all_participations_complete(session.id)
      .into_iter()
      .rev()
      .map(|(participation, contest)| {
      let passed_secs = now.sec - participation.start.sec;
      let left_secs = i64::from(contest.duration) * 60 - passed_secs;
      let is_time_left = contest.duration == 0 || left_secs >= 0;
      let has_timelimit = contest.duration != 0;
      (contest.id.unwrap(), contest.name, has_timelimit, is_time_left)
      })
      .collect();
      data.insert("participations".into(), to_json(&participations));
      }
      Some(user_id) => {
      ......
      src/db_conn.base.rs
      View file @ 02741ce1
      ......@@ -124,7 +124,7 @@ impl MedalObject<Connection> for Contest {
      let query = "UPDATE contest
      SET location = $2,filename = $3, name = $4, duration = $5, public = $6, start_date = $7,
      end_date = $8, min_grade = $9, max_grade = $10, positionalnumber = $11,
      requires_login = $12, secret = $13
      requires_login = $12, secret = $13, message = $14
      WHERE id = $1";
      conn.execute(query,
      &[&id,
      ......@@ -139,14 +139,15 @@ impl MedalObject<Connection> for Contest {
      &self.max_grade,
      &self.positionalnumber,
      &self.requires_login,
      &self.secret])
      &self.secret,
      &self.message])
      .unwrap();
      id
      }
      None => {
      let query = "INSERT INTO contest (location, filename, name, duration, public, start_date, end_date,
      min_grade, max_grade, positionalnumber, requires_login, secret)
      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)";
      min_grade, max_grade, positionalnumber, requires_login, secret, message)
      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)";
      conn.execute(query,
      &[&self.location,
      &self.filename,
      ......@@ -159,7 +160,8 @@ impl MedalObject<Connection> for Contest {
      &self.max_grade,
      &self.positionalnumber,
      &self.requires_login,
      &self.secret])
      &self.secret,
      &self.message])
      .unwrap();
      conn.get_last_id().unwrap()
      }
      ......@@ -917,7 +919,7 @@ impl MedalConnection for Connection {
      fn get_contest_list(&self) -> Vec<Contest> {
      let query = "SELECT id, location, filename, name, duration, public, start_date, end_date, min_grade, max_grade,
      positionalnumber, requires_login, secret
      positionalnumber, requires_login, secret, message
      FROM contest
      ORDER BY positionalnumber";
      self.query_map_many(query, &[], |row| Contest { id: Some(row.get(0)),
      ......@@ -933,13 +935,14 @@ impl MedalConnection for Connection {
      positionalnumber: row.get(10),
      requires_login: row.get(11),
      secret: row.get(12),
      message: row.get(13),
      taskgroups: Vec::new() })
      .unwrap()
      }
      fn get_contest_by_id(&self, contest_id: i32) -> Contest {
      let query = "SELECT location, filename, name, duration, public, start_date, end_date, min_grade, max_grade,
      requires_login, secret
      requires_login, secret, message
      FROM contest
      WHERE id = $1";
      self.query_map_one(query, &[&contest_id], |row| Contest { id: Some(contest_id),
      ......@@ -955,6 +958,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() })
      .unwrap()
      .unwrap() // TODO: Should return Option?
      ......@@ -963,8 +967,9 @@ impl MedalConnection for Connection {
      fn get_contest_by_id_complete(&self, contest_id: i32) -> Contest {
      let query = "SELECT contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest.secret, taskgroup.id, taskgroup.name, task.id,
      task.location, task.stars
      contest.requires_login, contest.secret, contest.message,
      taskgroup.id, taskgroup.name,
      task.id, task.location, task.stars
      FROM contest
      JOIN taskgroup ON contest.id = taskgroup.contest
      JOIN task ON taskgroup.id = task.taskgroup
      ......@@ -986,36 +991,43 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() },
      Taskgroup { id: Some(row.get(11)),
      Taskgroup { id: Some(row.get(12)),
      contest: contest_id,
      name: row.get(12),
      name: row.get(13),
      active: true,
      positionalnumber: None,
      tasks: Vec::new() },
      Task { id: Some(row.get(13)), taskgroup: row.get(11), location: row.get(14), stars: row.get(15) })
      Task { id: Some(row.get(14)), taskgroup: row.get(12), location: row.get(15), stars: row.get(16) })
      })
      .unwrap();
      let mut taskgroupcontest_iter = taskgroupcontest.into_iter();
      let (mut contest, mut taskgroup, task) = taskgroupcontest_iter.next().unwrap();
      taskgroup.tasks.push(task);
      for tgc in taskgroupcontest_iter {
      let (_, tg, t) = tgc;
      if tg.id != taskgroup.id {
      contest.taskgroups.push(taskgroup);
      taskgroup = tg;
      if let Some((mut contest, mut taskgroup, task)) = taskgroupcontest_iter.next() {
      taskgroup.tasks.push(task);
      for tgc in taskgroupcontest_iter {
      let (_, tg, t) = tgc;
      if tg.id != taskgroup.id {
      contest.taskgroups.push(taskgroup);
      taskgroup = tg;
      }
      taskgroup.tasks.push(t);
      }
      taskgroup.tasks.push(t);
      contest.taskgroups.push(taskgroup);
      contest
      } else {
      // If the contest has no tasks, we fall back to the function, that does not try to gather the task
      // information
      self.get_contest_by_id(contest_id)
      }
      contest.taskgroups.push(taskgroup);
      contest
      }
      fn get_contest_by_id_partial(&self, contest_id: i32) -> Contest {
      let query = "SELECT contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest_secret, taskgroup.id, taskgroup.name
      contest.requires_login, contest.secret, contest.message,
      taskgroup.id, taskgroup.name
      FROM contest
      JOIN taskgroup ON contest.id = taskgroup.contest
      WHERE contest.id = $1
      ......@@ -1034,10 +1046,11 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() },
      Taskgroup { id: Some(row.get(11)),
      Taskgroup { id: Some(row.get(12)),
      contest: contest_id,
      name: row.get(12),
      name: row.get(13),
      active: true,
      positionalnumber: None,
      tasks: Vec::new() })
      ......@@ -1068,7 +1081,7 @@ impl MedalConnection for Connection {
      fn get_all_participations_complete(&self, session_id: i32) -> Vec<(Participation, Contest)> {
      let query = "SELECT participation.start_date, contest.id, location, filename, name, duration, public,
      contest.start_date, end_date, min_grade, max_grade, requires_login, secret
      contest.start_date, end_date, min_grade, max_grade, requires_login, secret, message
      FROM participation
      JOIN contest ON participation.contest = contest.id
      WHERE participation.session = $1";
      ......@@ -1087,6 +1100,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(11),
      secret: row.get(12),
      message: row.get(13),
      taskgroups: Vec::new() })
      })
      .unwrap()
      ......@@ -1128,7 +1142,7 @@ impl MedalConnection for Connection {
      let query = "SELECT task.location, task.stars, taskgroup.id, taskgroup.name, taskgroup.active, contest.id,
      contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest.secret
      contest.requires_login, contest.secret, contest.message
      FROM contest
      JOIN taskgroup ON taskgroup.contest = contest.id
      JOIN task ON task.taskgroup = taskgroup.id
      ......@@ -1154,6 +1168,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(15),
      secret: row.get(16),
      message: row.get(17),
      taskgroups: Vec::new() })
      })
      .unwrap()
      ......@@ -1300,7 +1315,7 @@ impl MedalConnection for Connection {
      )
      AND session = $2";
      self.execute(query, &[&contest_id, &user_id]).unwrap();
      let query = "DELETE FROM participation
      WHERE contest = $1
      AND session = $2";
      ......
      src/db_conn_postgres.rs
      View file @ 02741ce1
      ......@@ -236,7 +236,7 @@ impl MedalObject<Connection> for Contest {
      let query = "UPDATE contest
      SET location = $2,filename = $3, name = $4, duration = $5, public = $6, start_date = $7,
      end_date = $8, min_grade = $9, max_grade = $10, positionalnumber = $11,
      requires_login = $12, secret = $13
      requires_login = $12, secret = $13, message = $14
      WHERE id = $1";
      conn.execute(query,
      &[&id,
      ......@@ -251,14 +251,15 @@ impl MedalObject<Connection> for Contest {
      &self.max_grade,
      &self.positionalnumber,
      &self.requires_login,
      &self.secret])
      &self.secret,
      &self.message])
      .unwrap();
      id
      }
      None => {
      let query = "INSERT INTO contest (location, filename, name, duration, public, start_date, end_date,
      min_grade, max_grade, positionalnumber, requires_login, secret)
      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12)";
      min_grade, max_grade, positionalnumber, requires_login, secret, message)
      VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)";
      conn.execute(query,
      &[&self.location,
      &self.filename,
      ......@@ -271,7 +272,8 @@ impl MedalObject<Connection> for Contest {
      &self.max_grade,
      &self.positionalnumber,
      &self.requires_login,
      &self.secret])
      &self.secret,
      &self.message])
      .unwrap();
      conn.get_last_id().unwrap()
      }
      ......@@ -1029,7 +1031,7 @@ impl MedalConnection for Connection {
      fn get_contest_list(&self) -> Vec<Contest> {
      let query = "SELECT id, location, filename, name, duration, public, start_date, end_date, min_grade, max_grade,
      positionalnumber, requires_login, secret
      positionalnumber, requires_login, secret, message
      FROM contest
      ORDER BY positionalnumber";
      self.query_map_many(query, &[], |row| Contest { id: Some(row.get(0)),
      ......@@ -1045,13 +1047,14 @@ impl MedalConnection for Connection {
      positionalnumber: row.get(10),
      requires_login: row.get(11),
      secret: row.get(12),
      message: row.get(13),
      taskgroups: Vec::new() })
      .unwrap()
      }
      fn get_contest_by_id(&self, contest_id: i32) -> Contest {
      let query = "SELECT location, filename, name, duration, public, start_date, end_date, min_grade, max_grade,
      requires_login, secret
      requires_login, secret, message
      FROM contest
      WHERE id = $1";
      self.query_map_one(query, &[&contest_id], |row| Contest { id: Some(contest_id),
      ......@@ -1067,6 +1070,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() })
      .unwrap()
      .unwrap() // TODO: Should return Option?
      ......@@ -1075,8 +1079,9 @@ impl MedalConnection for Connection {
      fn get_contest_by_id_complete(&self, contest_id: i32) -> Contest {
      let query = "SELECT contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest.secret, taskgroup.id, taskgroup.name, task.id,
      task.location, task.stars
      contest.requires_login, contest.secret, contest.message,
      taskgroup.id, taskgroup.name,
      task.id, task.location, task.stars
      FROM contest
      JOIN taskgroup ON contest.id = taskgroup.contest
      JOIN task ON taskgroup.id = task.taskgroup
      ......@@ -1098,36 +1103,43 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() },
      Taskgroup { id: Some(row.get(11)),
      Taskgroup { id: Some(row.get(12)),
      contest: contest_id,
      name: row.get(12),
      name: row.get(13),
      active: true,
      positionalnumber: None,
      tasks: Vec::new() },
      Task { id: Some(row.get(13)), taskgroup: row.get(11), location: row.get(14), stars: row.get(15) })
      Task { id: Some(row.get(14)), taskgroup: row.get(12), location: row.get(15), stars: row.get(16) })
      })
      .unwrap();
      let mut taskgroupcontest_iter = taskgroupcontest.into_iter();
      let (mut contest, mut taskgroup, task) = taskgroupcontest_iter.next().unwrap();
      taskgroup.tasks.push(task);
      for tgc in taskgroupcontest_iter {
      let (_, tg, t) = tgc;
      if tg.id != taskgroup.id {
      contest.taskgroups.push(taskgroup);
      taskgroup = tg;
      if let Some((mut contest, mut taskgroup, task)) = taskgroupcontest_iter.next() {
      taskgroup.tasks.push(task);
      for tgc in taskgroupcontest_iter {
      let (_, tg, t) = tgc;
      if tg.id != taskgroup.id {
      contest.taskgroups.push(taskgroup);
      taskgroup = tg;
      }
      taskgroup.tasks.push(t);
      }
      taskgroup.tasks.push(t);
      contest.taskgroups.push(taskgroup);
      contest
      } else {
      // If the contest has no tasks, we fall back to the function, that does not try to gather the task
      // information
      self.get_contest_by_id(contest_id)
      }
      contest.taskgroups.push(taskgroup);
      contest
      }
      fn get_contest_by_id_partial(&self, contest_id: i32) -> Contest {
      let query = "SELECT contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest_secret, taskgroup.id, taskgroup.name
      contest.requires_login, contest.secret, contest.message,
      taskgroup.id, taskgroup.name
      FROM contest
      JOIN taskgroup ON contest.id = taskgroup.contest
      WHERE contest.id = $1
      ......@@ -1146,10 +1158,11 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() },
      Taskgroup { id: Some(row.get(11)),
      Taskgroup { id: Some(row.get(12)),
      contest: contest_id,
      name: row.get(12),
      name: row.get(13),
      active: true,
      positionalnumber: None,
      tasks: Vec::new() })
      ......@@ -1180,7 +1193,7 @@ impl MedalConnection for Connection {
      fn get_all_participations_complete(&self, session_id: i32) -> Vec<(Participation, Contest)> {
      let query = "SELECT participation.start_date, contest.id, location, filename, name, duration, public,
      contest.start_date, end_date, min_grade, max_grade, requires_login, secret
      contest.start_date, end_date, min_grade, max_grade, requires_login, secret, message
      FROM participation
      JOIN contest ON participation.contest = contest.id
      WHERE participation.session = $1";
      ......@@ -1199,6 +1212,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(11),
      secret: row.get(12),
      message: row.get(13),
      taskgroups: Vec::new() })
      })
      .unwrap()
      ......@@ -1240,7 +1254,7 @@ impl MedalConnection for Connection {
      let query = "SELECT task.location, task.stars, taskgroup.id, taskgroup.name, taskgroup.active, contest.id,
      contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest.secret
      contest.requires_login, contest.secret, contest.message
      FROM contest
      JOIN taskgroup ON taskgroup.contest = contest.id
      JOIN task ON task.taskgroup = taskgroup.id
      ......@@ -1266,6 +1280,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(15),
      secret: row.get(16),
      message: row.get(17),
      taskgroups: Vec::new() })
      })
      .unwrap()
      ......@@ -1412,7 +1427,7 @@ impl MedalConnection for Connection {
      )
      AND session = $2";
      self.execute(query, &[&contest_id, &user_id]).unwrap();
      let query = "DELETE FROM participation
      WHERE contest = $1
      AND session = $2";
      ......
      src/db_conn_sqlite_new.rs
      View file @ 02741ce1
      ......@@ -236,7 +236,7 @@ impl MedalObject<Connection> for Contest {
      let query = "UPDATE contest
      SET location = ?2,filename = ?3, name = ?4, duration = ?5, public = ?6, start_date = ?7,
      end_date = ?8, min_grade = ?9, max_grade = ?10, positionalnumber = ?11,
      requires_login = ?12, secret = ?13
      requires_login = ?12, secret = ?13, message = ?14
      WHERE id = ?1";
      conn.execute(query,
      &[&id,
      ......@@ -251,14 +251,15 @@ impl MedalObject<Connection> for Contest {
      &self.max_grade,
      &self.positionalnumber,
      &self.requires_login,
      &self.secret])
      &self.secret,
      &self.message])
      .unwrap();
      id
      }
      None => {
      let query = "INSERT INTO contest (location, filename, name, duration, public, start_date, end_date,
      min_grade, max_grade, positionalnumber, requires_login, secret)
      VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12)";
      min_grade, max_grade, positionalnumber, requires_login, secret, message)
      VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10, ?11, ?12, ?13)";
      conn.execute(query,
      &[&self.location,
      &self.filename,
      ......@@ -271,7 +272,8 @@ impl MedalObject<Connection> for Contest {
      &self.max_grade,
      &self.positionalnumber,
      &self.requires_login,
      &self.secret])
      &self.secret,
      &self.message])
      .unwrap();
      conn.get_last_id().unwrap()
      }
      ......@@ -1029,7 +1031,7 @@ impl MedalConnection for Connection {
      fn get_contest_list(&self) -> Vec<Contest> {
      let query = "SELECT id, location, filename, name, duration, public, start_date, end_date, min_grade, max_grade,
      positionalnumber, requires_login, secret
      positionalnumber, requires_login, secret, message
      FROM contest
      ORDER BY positionalnumber";
      self.query_map_many(query, &[], |row| Contest { id: Some(row.get(0)),
      ......@@ -1045,13 +1047,14 @@ impl MedalConnection for Connection {
      positionalnumber: row.get(10),
      requires_login: row.get(11),
      secret: row.get(12),
      message: row.get(13),
      taskgroups: Vec::new() })
      .unwrap()
      }
      fn get_contest_by_id(&self, contest_id: i32) -> Contest {
      let query = "SELECT location, filename, name, duration, public, start_date, end_date, min_grade, max_grade,
      requires_login, secret
      requires_login, secret, message
      FROM contest
      WHERE id = ?1";
      self.query_map_one(query, &[&contest_id], |row| Contest { id: Some(contest_id),
      ......@@ -1067,6 +1070,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() })
      .unwrap()
      .unwrap() // TODO: Should return Option?
      ......@@ -1075,8 +1079,9 @@ impl MedalConnection for Connection {
      fn get_contest_by_id_complete(&self, contest_id: i32) -> Contest {
      let query = "SELECT contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest.secret, taskgroup.id, taskgroup.name, task.id,
      task.location, task.stars
      contest.requires_login, contest.secret, contest.message,
      taskgroup.id, taskgroup.name,
      task.id, task.location, task.stars
      FROM contest
      JOIN taskgroup ON contest.id = taskgroup.contest
      JOIN task ON taskgroup.id = task.taskgroup
      ......@@ -1098,36 +1103,43 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() },
      Taskgroup { id: Some(row.get(11)),
      Taskgroup { id: Some(row.get(12)),
      contest: contest_id,
      name: row.get(12),
      name: row.get(13),
      active: true,
      positionalnumber: None,
      tasks: Vec::new() },
      Task { id: Some(row.get(13)), taskgroup: row.get(11), location: row.get(14), stars: row.get(15) })
      Task { id: Some(row.get(14)), taskgroup: row.get(12), location: row.get(15), stars: row.get(16) })
      })
      .unwrap();
      let mut taskgroupcontest_iter = taskgroupcontest.into_iter();
      let (mut contest, mut taskgroup, task) = taskgroupcontest_iter.next().unwrap();
      taskgroup.tasks.push(task);
      for tgc in taskgroupcontest_iter {
      let (_, tg, t) = tgc;
      if tg.id != taskgroup.id {
      contest.taskgroups.push(taskgroup);
      taskgroup = tg;
      if let Some((mut contest, mut taskgroup, task)) = taskgroupcontest_iter.next() {
      taskgroup.tasks.push(task);
      for tgc in taskgroupcontest_iter {
      let (_, tg, t) = tgc;
      if tg.id != taskgroup.id {
      contest.taskgroups.push(taskgroup);
      taskgroup = tg;
      }
      taskgroup.tasks.push(t);
      }
      taskgroup.tasks.push(t);
      contest.taskgroups.push(taskgroup);
      contest
      } else {
      // If the contest has no tasks, we fall back to the function, that does not try to gather the task
      // information
      self.get_contest_by_id(contest_id)
      }
      contest.taskgroups.push(taskgroup);
      contest
      }
      fn get_contest_by_id_partial(&self, contest_id: i32) -> Contest {
      let query = "SELECT contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest_secret, taskgroup.id, taskgroup.name
      contest.requires_login, contest.secret, contest.message,
      taskgroup.id, taskgroup.name
      FROM contest
      JOIN taskgroup ON contest.id = taskgroup.contest
      WHERE contest.id = ?1
      ......@@ -1146,10 +1158,11 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(9),
      secret: row.get(10),
      message: row.get(11),
      taskgroups: Vec::new() },
      Taskgroup { id: Some(row.get(11)),
      Taskgroup { id: Some(row.get(12)),
      contest: contest_id,
      name: row.get(12),
      name: row.get(13),
      active: true,
      positionalnumber: None,
      tasks: Vec::new() })
      ......@@ -1180,7 +1193,7 @@ impl MedalConnection for Connection {
      fn get_all_participations_complete(&self, session_id: i32) -> Vec<(Participation, Contest)> {
      let query = "SELECT participation.start_date, contest.id, location, filename, name, duration, public,
      contest.start_date, end_date, min_grade, max_grade, requires_login, secret
      contest.start_date, end_date, min_grade, max_grade, requires_login, secret, message
      FROM participation
      JOIN contest ON participation.contest = contest.id
      WHERE participation.session = ?1";
      ......@@ -1199,6 +1212,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(11),
      secret: row.get(12),
      message: row.get(13),
      taskgroups: Vec::new() })
      })
      .unwrap()
      ......@@ -1240,7 +1254,7 @@ impl MedalConnection for Connection {
      let query = "SELECT task.location, task.stars, taskgroup.id, taskgroup.name, taskgroup.active, contest.id,
      contest.location, contest.filename, contest.name, contest.duration, contest.public,
      contest.start_date, contest.end_date, contest.min_grade, contest.max_grade,
      contest.requires_login, contest.secret
      contest.requires_login, contest.secret, contest.message
      FROM contest
      JOIN taskgroup ON taskgroup.contest = contest.id
      JOIN task ON task.taskgroup = taskgroup.id
      ......@@ -1266,6 +1280,7 @@ impl MedalConnection for Connection {
      positionalnumber: None,
      requires_login: row.get(15),
      secret: row.get(16),