Files
discord-go-bot/db_management/db_management.go
Jannis deec858857
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Update db_management/db_management.go
2026-04-01 22:01:32 +00:00

93 lines
1.6 KiB
Go

package db_management
import (
"database/sql"
"time"
_ "modernc.org/sqlite"
)
var DB *sql.DB
func InitDB() {
var err error
// Öffnet bot.db im aktuellen Verzeichnis
dbPath := os.Getenv("DB_PATH")
if dbPath == "" {
dbPath = "./bot.db"
}
DB, err = sql.Open("sqlite", dbPath)
if err != nil {
panic(err)
}
// Tabelle für einzelne Sessions
statement := `
CREATE TABLE IF NOT EXISTS voice_sessions (
user_id TEXT,
seconds INTEGER,
created_at TIMESTAMP
);`
_, err = DB.Exec(statement)
if err != nil {
panic(err)
}
}
func SaveSession(userID string, seconds int) {
query := `
INSERT INTO voice_sessions (user_id, seconds, created_at)
VALUES (?, ?, ?)
`
DB.Exec(query, userID, seconds, time.Now())
}
func GetUserStats(userID string) int {
var total sql.NullInt64 // NullInt64 fängt NULL-Ergebnisse ab
query := `SELECT SUM(seconds) FROM voice_sessions
WHERE user_id = ? AND created_at > datetime('now', '-30 days')`
err := DB.QueryRow(query, userID).Scan(&total)
if err != nil || !total.Valid {
return 0
}
return int(total.Int64)
}
type UserStats struct {
UserID string
Seconds int
}
func GetTopUsers(limit int) []UserStats {
query := `
SELECT user_id, SUM(seconds) as total
FROM voice_sessions
WHERE created_at > datetime('now', '-30 days')
GROUP BY user_id
ORDER BY total DESC
LIMIT ?
`
rows, err := DB.Query(query, limit)
if err != nil {
return nil
}
defer rows.Close()
var result []UserStats
for rows.Next() {
var u UserStats
err := rows.Scan(&u.UserID, &u.Seconds)
if err != nil {
continue
}
result = append(result, u)
}
return result
}