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