Initial vibeproxy implementation

Self-contained HTTP/HTTPS/TCP/UDP reverse proxy manager written in Go,
with SQLite storage, a Bootstrap 5 admin UI (Go templates, no JS
framework), and a REST API under /api/v1.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QTXFrNP1imCW7jtfL5SZrw

internal/database/repo_streams.go

@@ -0,0 +1,85 @@
+package database
+
+import (
+	"database/sql"
+	"errors"
+
+	"github.com/owen/vibeproxy/internal/models"
+)
+
+func scanStream(rs rowScanner) (models.Stream, error) {
+	var s models.Stream
+	var proxyProto, enabled int
+	var created, updated string
+	err := rs.Scan(&s.ID, &s.Protocol, &s.ListenIP, &s.ListenPort, &s.DestinationHost, &s.DestinationPort,
+		&s.ConnectTimeoutMS, &s.IdleTimeoutMS, &proxyProto, &enabled, &s.Comments, &created, &updated)
+	if err != nil {
+		return s, err
+	}
+	s.ProxyProtocol = proxyProto == 1
+	s.Enabled = enabled == 1
+	s.CreatedAt = parseTime(created)
+	s.UpdatedAt = parseTime(updated)
+	return s, nil
+}
+
+const streamCols = `id, protocol, listen_ip, listen_port, destination_host, destination_port, connect_timeout_ms, idle_timeout_ms, proxy_protocol, enabled, comments, created_at, updated_at`
+
+func ListStreams(db *sql.DB) ([]models.Stream, error) {
+	rows, err := db.Query(`SELECT ` + streamCols + ` FROM streams ORDER BY id`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var out []models.Stream
+	for rows.Next() {
+		s, err := scanStream(rows)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, s)
+	}
+	return out, rows.Err()
+}
+
+func GetStream(db *sql.DB, id int64) (*models.Stream, error) {
+	row := db.QueryRow(`SELECT `+streamCols+` FROM streams WHERE id = ?`, id)
+	s, err := scanStream(row)
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, ErrNotFound
+		}
+		return nil, err
+	}
+	return &s, nil
+}
+
+func SaveStream(db *sql.DB, s *models.Stream) (int64, error) {
+	if s.ID == 0 {
+		res, err := db.Exec(`INSERT INTO streams (protocol, listen_ip, listen_port, destination_host, destination_port,
+			connect_timeout_ms, idle_timeout_ms, proxy_protocol, enabled, comments) VALUES (?,?,?,?,?,?,?,?,?,?)`,
+			s.Protocol, s.ListenIP, s.ListenPort, s.DestinationHost, s.DestinationPort, s.ConnectTimeoutMS,
+			s.IdleTimeoutMS, boolToInt(s.ProxyProtocol), boolToInt(s.Enabled), s.Comments)
+		if err != nil {
+			return 0, err
+		}
+		id, err := res.LastInsertId()
+		s.ID = id
+		return id, err
+	}
+	_, err := db.Exec(`UPDATE streams SET protocol=?, listen_ip=?, listen_port=?, destination_host=?, destination_port=?,
+		connect_timeout_ms=?, idle_timeout_ms=?, proxy_protocol=?, enabled=?, comments=?, updated_at=strftime('%Y-%m-%dT%H:%M:%fZ','now')
+		WHERE id=?`, s.Protocol, s.ListenIP, s.ListenPort, s.DestinationHost, s.DestinationPort, s.ConnectTimeoutMS,
+		s.IdleTimeoutMS, boolToInt(s.ProxyProtocol), boolToInt(s.Enabled), s.Comments, s.ID)
+	return s.ID, err
+}
+
+func DeleteStream(db *sql.DB, id int64) error {
+	_, err := db.Exec(`DELETE FROM streams WHERE id = ?`, id)
+	return err
+}
+
+func SetStreamEnabled(db *sql.DB, id int64, enabled bool) error {
+	_, err := db.Exec(`UPDATE streams SET enabled = ?, updated_at = strftime('%Y-%m-%dT%H:%M:%fZ','now') WHERE id = ?`, boolToInt(enabled), id)
+	return err
+}