Files
sproutclaw-web/backend/internal/db/db.go
2026-06-13 20:16:09 +08:00

123 lines
2.8 KiB
Go

package db
import (
"database/sql"
"encoding/json"
"fmt"
"os"
"path/filepath"
_ "modernc.org/sqlite"
)
type DB struct {
sql *sql.DB
DbPath string
}
const schema = `
CREATE TABLE IF NOT EXISTS webui_meta (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS webui_config (
key TEXT PRIMARY KEY,
value TEXT NOT NULL
);
`
func Init(dataDir string) (*DB, error) {
if err := os.MkdirAll(dataDir, 0o755); err != nil {
return nil, fmt.Errorf("create data dir: %w", err)
}
dbPath := filepath.Join(dataDir, "webui.db")
sqlDB, err := sql.Open("sqlite", dbPath)
if err != nil {
return nil, fmt.Errorf("open sqlite: %w", err)
}
if _, err := sqlDB.Exec(schema); err != nil {
return nil, fmt.Errorf("init schema: %w", err)
}
// ensure schema version
_, _ = sqlDB.Exec(`INSERT OR IGNORE INTO webui_meta (key,value) VALUES ('schema_version','1')`)
return &DB{sql: sqlDB, DbPath: dbPath}, nil
}
func (d *DB) Close() { _ = d.sql.Close() }
// ── Generic config key-value ──────────────────────────────────────────────────
func (d *DB) GetConfig(key string) (string, bool) {
var val string
err := d.sql.QueryRow(`SELECT value FROM webui_config WHERE key=?`, key).Scan(&val)
if err != nil {
return "", false
}
return val, true
}
func (d *DB) SetConfig(key, value string) error {
_, err := d.sql.Exec(`INSERT OR REPLACE INTO webui_config (key,value) VALUES (?,?)`, key, value)
return err
}
func (d *DB) DeleteConfig(key string) error {
_, err := d.sql.Exec(`DELETE FROM webui_config WHERE key=?`, key)
return err
}
func (d *DB) AllConfig() (map[string]string, error) {
rows, err := d.sql.Query(`SELECT key,value FROM webui_config`)
if err != nil {
return nil, err
}
defer rows.Close()
m := map[string]string{}
for rows.Next() {
var k, v string
if err := rows.Scan(&k, &v); err != nil {
return nil, err
}
m[k] = v
}
return m, nil
}
// ── Pinned sessions (stored as JSON array in webui_config) ───────────────────
const pinnedKey = "__pinned_sessions__"
func (d *DB) GetPinnedSessions() ([]string, error) {
val, ok := d.GetConfig(pinnedKey)
if !ok {
return nil, nil
}
var paths []string
if err := json.Unmarshal([]byte(val), &paths); err != nil {
return nil, err
}
return paths, nil
}
func (d *DB) SetSessionPinned(path string, pinned bool) error {
paths, _ := d.GetPinnedSessions()
set := map[string]struct{}{}
for _, p := range paths {
set[p] = struct{}{}
}
if pinned {
set[path] = struct{}{}
} else {
delete(set, path)
}
newPaths := make([]string, 0, len(set))
for p := range set {
newPaths = append(newPaths, p)
}
b, err := json.Marshal(newPaths)
if err != nil {
return err
}
return d.SetConfig(pinnedKey, string(b))
}