server/libfic/stats.go

110 lines
2.4 KiB
Go

package fic
import (
"database/sql"
"time"
)
// Points
func (t Team) GetPoints() (int64, error) {
var nb *int64
err := DBQueryRow("SELECT SUM(E.gain) AS gains FROM exercice_solved S INNER JOIN exercices E ON E.id_exercice = S.id_exercice WHERE id_team = ?", t.Id).Scan(&nb)
if nb != nil {
return *nb, err
} else {
return 0, err
}
}
func GetRank() (map[int64]int, error) {
if rows, err := DBQuery("SELECT id_team, SUM(E.gain) AS score, MAX(S.time) FROM exercice_solved S INNER JOIN exercices E ON E.id_exercice = S.id_exercice GROUP BY id_team HAVING score > 0 ORDER BY score DESC, time ASC"); err != nil {
return nil, err
} else {
defer rows.Close()
rank := map[int64]int{}
nteam := 0
for rows.Next() {
nteam += 1
var tid int64
var score int64
var tzzz time.Time
if err := rows.Scan(&tid, &score, &tzzz); err != nil {
return nil, err
}
rank[tid] = nteam
}
if err := rows.Err(); err != nil {
return nil, err
}
return rank, nil
}
}
// Tries
func GetTries(t *Team, e *Exercice) ([]time.Time, error) {
var rows *sql.Rows
var err error
if t == nil {
if e == nil {
rows, err = DBQuery("SELECT time FROM exercice_tries ORDER BY time ASC")
} else {
rows, err = DBQuery("SELECT time FROM exercice_tries WHERE id_exercice = ? ORDER BY time ASC", e.Id)
}
} else {
if e == nil {
rows, err = DBQuery("SELECT time FROM exercice_tries WHERE id_team = ? ORDER BY time ASC", t.Id)
} else {
rows, err = DBQuery("SELECT time FROM exercice_tries WHERE id_team = ? AND id_exercice = ? ORDER BY time ASC", t.Id, e.Id)
}
}
if err != nil {
return nil, err
} else {
defer rows.Close()
times := make([]time.Time, 0)
for rows.Next() {
var tm time.Time
if err := rows.Scan(&tm); err != nil {
return nil, err
}
times = append(times, tm)
}
if err := rows.Err(); err != nil {
return nil, err
}
return times, nil
}
}
func GetTryRank() ([]int64, error) {
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 {
return nil, err
} else {
defer rows.Close()
rank := make([]int64, 0)
for rows.Next() {
var tid int64
var score int64
if err := rows.Scan(&tid, &score); err != nil {
return nil, err
}
rank = append(rank, tid)
}
if err := rows.Err(); err != nil {
return nil, err
}
return rank, nil
}
}