1 files changed, 51 insertions, 0 deletions
diff --git a/database/backups.go b/database/backups.go
new file mode 100644
index 0000000..ab2155f
--- /dev/null
+++ b/database/backups.go
@@ -0,0 +1,51 @@
+package database
+
+import (
+	"database/sql"
+	"log"
+	"time"
+)
+
+type Backup struct {
+	Hostname   string
+	ReceivedOn time.Time
+}
+
+func ListBackups(dbConn *sql.DB) ([]Backup, error) {
+	log.Println("listing backups")
+
+	rows, err := dbConn.Query(`SELECT hostname, received_on FROM backups;`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	backups := []Backup{}
+	for rows.Next() {
+		var backup Backup
+		err := rows.Scan(&backup.Hostname, &backup.ReceivedOn)
+		if err != nil {
+			return nil, err
+		}
+		backups = append(backups, backup)
+	}
+
+	return backups, nil
+}
+
+func DeleteOldBackups(dbConn *sql.DB, days int) error {
+	log.Println("deleting old backups")
+
+	duration := time.Duration(days) * 24 * time.Hour
+	_, err := dbConn.Exec(`DELETE FROM backups WHERE received_on < ?;`, time.Now().Add(-duration))
+
+	return err
+}
+
+func ReceivedBackup(dbConn *sql.DB, hostname string) error {
+	log.Println("received backup for", hostname)
+
+	_, err := dbConn.Exec(`INSERT INTO backups (hostname) VALUES (?);`, hostname)
+
+	return err
+}