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121 lines
1.9 KiB
121 lines
1.9 KiB
package internal
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import (
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"encoding/json"
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"io"
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"log"
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"os"
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)
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type ShortcutStore struct {
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Path string
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}
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type ShortcutData struct {
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Shortcuts Shortcuts `json:"shortcuts"`
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}
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func (ss *ShortcutStore) Init() error {
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defaultSS := NewDefaultShortcuts()
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if _, err := os.Stat(ss.Path); os.IsNotExist(err) {
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log.Printf("file doesn't exist %s: %v", ss.Path, err)
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if err := ss.SaveShortcuts(defaultSS, nil); 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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if _, err := ss.LoadShortcuts(nil); 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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func (ss *ShortcutStore) SaveShortcuts(shorts Shortcuts, copyTo io.Writer) error {
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file, err := os.Create(ss.Path)
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if err != nil {
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return err
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}
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defer file.Close()
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temp := Shortcuts{}
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for k, v := range shorts {
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if k != "help" {
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temp[k] = v
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}
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}
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sc := ShortcutData{Shortcuts: temp}
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var target io.Writer
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if copyTo != nil {
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target = io.MultiWriter(file, copyTo)
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} else {
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target = file
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}
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encoder := json.NewEncoder(target)
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encoder.SetIndent("", "\t")
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if err := encoder.Encode(&sc); 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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func (ss *ShortcutStore) LoadShortcuts(copyTo io.Writer) (Shortcuts, error) {
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var sc ShortcutData
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file, err := os.Open(ss.Path)
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if err != nil {
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if !os.IsExist(err) {
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return NewDefaultShortcuts(), nil
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}
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return sc.Shortcuts, err
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}
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defer file.Close()
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finfo, err := file.Stat()
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if err != nil {
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return sc.Shortcuts, err
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}
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if finfo.Size() == 0 {
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return NewDefaultShortcuts(), nil
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}
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var target io.Reader
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if copyTo != nil {
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target = io.TeeReader(file, copyTo)
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} else {
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target = file
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}
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decoder := json.NewDecoder(target)
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if err := decoder.Decode(&sc); err != nil {
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return sc.Shortcuts, err
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}
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if sc.Shortcuts == nil {
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return NewDefaultShortcuts(), nil
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}
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sc.Shortcuts["help"] = "/"
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if v, ok := sc.Shortcuts["*"]; !ok || v == "" {
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sc.Shortcuts["*"] = DefaultSearchProvider
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}
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return sc.Shortcuts, nil
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}
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