198 lines
6.1 KiB
Go
198 lines
6.1 KiB
Go
package fic
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import (
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"database/sql"
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"fmt"
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"time"
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)
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// FirstBlood is the coefficient added to the challenge coefficient when a Team is the first to solve a challenge.
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var FirstBlood = 0.12
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// SubmissionCostBase is the basis amount of point lost per submission
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var SubmissionCostBase = 0.5
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// SubmissionUniqueness don't count multiple times identical tries.
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var SubmissionUniqueness = false
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// CountOnlyNotGoodTries don't count as a try when one good response is given at least.
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var CountOnlyNotGoodTries = false
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func exoptsQuery(whereExo string) string {
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tries_table := "exercice_tries"
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if SubmissionUniqueness {
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tries_table = "exercice_distinct_tries"
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}
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if CountOnlyNotGoodTries {
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tries_table += "_notgood"
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}
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return `SELECT S.id_team, S.time, E.gain AS points, coeff, S.reason, S.id_exercice FROM (
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SELECT id_team, id_exercice, MIN(time) AS time, ` + fmt.Sprintf("%f", FirstBlood) + ` AS coeff, "First blood" AS reason FROM exercice_solved GROUP BY id_exercice UNION
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SELECT id_team, id_exercice, time, coefficient AS coeff, "Validation" AS reason FROM exercice_solved
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) S INNER JOIN exercices E ON S.id_exercice = E.id_exercice ` + whereExo + ` UNION ALL
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SELECT B.id_team, B.time, F.bonus_gain AS points, 1 AS coeff, "Bonus flag" AS reason, F.id_exercice FROM flag_found B INNER JOIN exercice_flags F ON F.id_flag = B.id_flag WHERE F.bonus_gain != 0 HAVING points != 0 UNION ALL
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SELECT id_team, MAX(time) AS time, (FLOOR(COUNT(*)/10 - 1) * (FLOOR(COUNT(*)/10)))/0.2 + (FLOOR(COUNT(*)/10) * (COUNT(*)%10)) AS points, ` + fmt.Sprintf("%f", SubmissionCostBase*-1) + ` AS coeff, "Tries" AS reason, id_exercice FROM ` + tries_table + ` S ` + whereExo + ` GROUP BY id_exercice, id_team`
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}
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func teamptsQuery() string {
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return exoptsQuery("") + ` UNION ALL
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SELECT D.id_team, D.time, H.cost AS points, D.coefficient * -1 AS coeff, "Hint" AS reason, H.id_exercice FROM team_hints D INNER JOIN exercice_hints H ON H.id_hint = D.id_hint HAVING points != 0 UNION ALL
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SELECT W.id_team, W.time, F.choices_cost AS points, W.coefficient * -1 AS coeff, "Display choices" AS reason, F.id_exercice FROM team_wchoices W INNER JOIN exercice_flags F ON F.id_flag = W.id_flag HAVING points != 0`
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}
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func rankQuery(whereTeam string) string {
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return `SELECT A.id_team, SUM(A.points * A.coeff) AS score, MAX(A.time) AS time FROM (
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` + teamptsQuery() + `
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) A ` + whereTeam + ` GROUP BY A.id_team ORDER BY score DESC, time ASC`
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}
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func (t *Team) ScoreGrid() (grid []map[string]interface{}, err error) {
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q := "SELECT G.reason, G.id_exercice, G.time, G.points, G.coeff FROM (" + teamptsQuery() + ") AS G WHERE G.id_team = ? AND G.points != 0"
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if rows, err := DBQuery(q, t.Id); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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for rows.Next() {
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var reason string
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var exercice int64
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var time time.Time
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var points float64
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var coeff float64
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if err := rows.Scan(&reason, &exercice, &time, &points, &coeff); err != nil {
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return nil, err
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}
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grid = append(grid, map[string]interface{}{
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"reason": reason,
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"id_exercice": exercice,
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"time": time,
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"points": points,
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"coeff": coeff,
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})
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}
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}
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return
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}
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// Points
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// EstimateGain calculates the amount of point the Team has (or could have, if not already solved) won.
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func (e *Exercice) EstimateGain(t *Team, solved bool) (float64, error) {
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var pts float64
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err := DBQueryRow("SELECT SUM(A.points * A.coeff) AS score FROM ("+exoptsQuery("WHERE S.id_team = ? AND S.id_exercice = ?")+") A GROUP BY id_team", t.Id, e.Id, t.Id, e.Id).Scan(&pts)
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if solved {
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return pts, err
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} else {
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pts += float64(e.Gain) * e.Coefficient
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if e.SolvedCount() <= 0 {
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pts += float64(e.Gain) * FirstBlood
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}
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return pts, nil
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}
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}
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// GetPoints returns the score for the Team.
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func (t *Team) GetPoints() (float64, error) {
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var tid *int64
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var nb *float64
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var tzzz *time.Time
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err := DBQueryRow(rankQuery("WHERE A.id_team = ?"), t.Id).Scan(&tid, &nb, &tzzz)
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if nb != nil {
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return *nb, err
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} else {
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return 0, err
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}
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}
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// GetRank returns a map which associates team ID their rank.
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func GetRank() (map[int64]int, error) {
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if rows, err := DBQuery(rankQuery("")); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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rank := map[int64]int{}
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nteam := 0
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for rows.Next() {
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nteam += 1
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var tid int64
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var score float64
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var tzzz time.Time
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if err := rows.Scan(&tid, &score, &tzzz); err != nil {
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return nil, err
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}
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rank[tid] = nteam
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return rank, nil
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}
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}
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// Attempts
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// GetTries retrieves all attempts made by the matching Team or challenge (both can be nil to not filter).
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func GetTries(t *Team, e *Exercice) (times []time.Time, err error) {
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var rows *sql.Rows
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if t == nil {
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if e == nil {
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rows, err = DBQuery("SELECT time FROM exercice_tries ORDER BY time ASC")
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} else {
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rows, err = DBQuery("SELECT time FROM exercice_tries WHERE id_exercice = ? ORDER BY time ASC", e.Id)
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}
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} else {
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if e == nil {
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rows, err = DBQuery("SELECT time FROM exercice_tries WHERE id_team = ? ORDER BY time ASC", t.Id)
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} else {
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rows, err = DBQuery("SELECT time FROM exercice_tries WHERE id_team = ? AND id_exercice = ? ORDER BY time ASC", t.Id, e.Id)
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}
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}
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if err != nil {
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return
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} else {
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defer rows.Close()
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for rows.Next() {
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var tm time.Time
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if err = rows.Scan(&tm); err != nil {
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return
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}
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times = append(times, tm)
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}
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err = rows.Err()
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return
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}
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}
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// GetTryRank generates a special rank based on number of attempts
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func GetTryRank() ([]int64, error) {
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if rows, err := DBQuery("SELECT id_team, COUNT(*) AS score FROM exercice_tries GROUP BY id_team HAVING score > 0 ORDER BY score DESC"); err != nil {
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return nil, err
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} else {
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defer rows.Close()
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rank := make([]int64, 0)
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for rows.Next() {
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var tid int64
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var score int64
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if err := rows.Scan(&tid, &score); err != nil {
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return nil, err
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}
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rank = append(rank, tid)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return rank, nil
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}
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}
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