panel v0.9.2 — open-source game server manager

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

controller/internal/db/backups.go

@@ -0,0 +1,76 @@
+package db
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5"
+)
+
+// BackupRow is the persisted form of a backup.
+type BackupRow struct {
+	ID          string
+	InstanceID  string
+	AgentID     string
+	Path        string
+	SizeBytes   int64
+	Description string
+	CreatedAt   time.Time
+}
+
+func (db *DB) InsertBackup(ctx context.Context, r BackupRow) error {
+	_, err := db.pool.Exec(ctx, `
+		INSERT INTO backups (id, instance_id, agent_id, path, size_bytes, description)
+		VALUES ($1, $2, $3, $4, $5, $6)
+	`, r.ID, r.InstanceID, r.AgentID, r.Path, r.SizeBytes, r.Description)
+	if err != nil {
+		return fmt.Errorf("insert backup: %w", err)
+	}
+	return nil
+}
+
+func (db *DB) DeleteBackup(ctx context.Context, id string) error {
+	_, err := db.pool.Exec(ctx, `DELETE FROM backups WHERE id = $1`, id)
+	if err != nil {
+		return fmt.Errorf("delete backup: %w", err)
+	}
+	return nil
+}
+
+func (db *DB) GetBackup(ctx context.Context, id string) (*BackupRow, error) {
+	var r BackupRow
+	err := db.pool.QueryRow(ctx, `
+		SELECT id, instance_id, agent_id, path, size_bytes, description, created_at
+		FROM backups WHERE id = $1
+	`, id).Scan(&r.ID, &r.InstanceID, &r.AgentID, &r.Path, &r.SizeBytes, &r.Description, &r.CreatedAt)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return nil, errors.New("backup not found")
+	}
+	if err != nil {
+		return nil, fmt.Errorf("get backup: %w", err)
+	}
+	return &r, nil
+}
+
+func (db *DB) ListBackupsByInstance(ctx context.Context, instanceID string) ([]BackupRow, error) {
+	rows, err := db.pool.Query(ctx, `
+		SELECT id, instance_id, agent_id, path, size_bytes, description, created_at
+		FROM backups WHERE instance_id = $1
+		ORDER BY created_at DESC
+	`, instanceID)
+	if err != nil {
+		return nil, fmt.Errorf("list backups: %w", err)
+	}
+	defer rows.Close()
+	var out []BackupRow
+	for rows.Next() {
+		var r BackupRow
+		if err := rows.Scan(&r.ID, &r.InstanceID, &r.AgentID, &r.Path, &r.SizeBytes, &r.Description, &r.CreatedAt); err != nil {
+			return nil, fmt.Errorf("scan: %w", err)
+		}
+		out = append(out, r)
+	}
+	return out, rows.Err()
+}