147 lines
3.1 KiB
Go
147 lines
3.1 KiB
Go
package storage
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import (
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"fmt"
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"gopkg.in/yaml.v3"
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"strings"
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"sync"
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)
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type PreferencesStorage struct {
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storage *localStorage
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mutex sync.Mutex
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}
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func NewPreferences() *PreferencesStorage {
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return &PreferencesStorage{
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storage: NewLocalStore("preferences.yaml"),
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}
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}
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func (p *PreferencesStorage) DefaultPreferences() map[string]any {
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return map[string]any{
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"general": map[string]any{
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"language": "en",
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"font": "",
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"font_size": 14,
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"use_sys_proxy": false,
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"use_sys_proxy_http": false,
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"check_update": true,
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},
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"editor": map[string]any{
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"font": "",
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"font_size": 14,
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},
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}
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}
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func (p *PreferencesStorage) getPreferences() (ret map[string]any) {
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b, err := p.storage.Load()
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if err != nil {
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ret = p.DefaultPreferences()
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return
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}
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if err = yaml.Unmarshal(b, &ret); err != nil {
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ret = p.DefaultPreferences()
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return
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}
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return
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}
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func (p *PreferencesStorage) flatPreferences(data map[string]any, prefix string) map[string]any {
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flattened := make(map[string]any)
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for key, value := range data {
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newKey := key
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if prefix != "" {
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newKey = prefix + "." + key
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}
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if nested, ok := value.(map[string]any); ok {
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nestedFlattened := p.flatPreferences(nested, newKey)
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for k, v := range nestedFlattened {
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flattened[k] = v
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}
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} else {
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flattened[newKey] = value
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}
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}
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return flattened
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}
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// GetPreferences Get preferences from local
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func (p *PreferencesStorage) GetPreferences() (ret map[string]any) {
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p.mutex.Lock()
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defer p.mutex.Unlock()
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pref := p.getPreferences()
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ret = p.flatPreferences(pref, "")
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return
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}
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func (p *PreferencesStorage) setPreferences(pf map[string]any, key string, value any) error {
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keyPath := strings.Split(key, ".")
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if len(keyPath) <= 0 {
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return fmt.Errorf("invalid key path(%s)", key)
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}
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var node any = pf
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for _, k := range keyPath[:len(keyPath)-1] {
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if subNode, ok := node.(map[string]any); ok {
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node = subNode[k]
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} else {
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return fmt.Errorf("invalid key path(%s)", key)
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}
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}
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if subNode, ok := node.(map[string]any); ok {
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subNode[keyPath[len(keyPath)-1]] = value
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}
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return nil
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}
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func (p *PreferencesStorage) savePreferences(pf map[string]any) error {
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b, err := yaml.Marshal(&pf)
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if err != nil {
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return err
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}
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if err = p.storage.Store(b); err != nil {
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return err
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}
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return nil
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}
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// SetPreferences assign value to key path, the key path use "." to indicate multiple level
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func (p *PreferencesStorage) SetPreferences(key string, value any) error {
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p.mutex.Lock()
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defer p.mutex.Unlock()
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pf := p.getPreferences()
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if err := p.setPreferences(pf, key, value); err != nil {
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return err
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}
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return p.savePreferences(pf)
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}
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// SetPreferencesN set multiple key path and value
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func (p *PreferencesStorage) SetPreferencesN(values map[string]any) error {
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p.mutex.Lock()
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defer p.mutex.Unlock()
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pf := p.getPreferences()
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for path, v := range values {
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if err := p.setPreferences(pf, path, v); err != nil {
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return err
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}
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}
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return p.savePreferences(pf)
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}
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func (p *PreferencesStorage) RestoreDefault() map[string]any {
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pf := p.DefaultPreferences()
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p.savePreferences(pf)
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return p.flatPreferences(pf, "")
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}
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