68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package goncfiles
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"strings"
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)
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// DefaultPathStore persists the Saved Default Working Folder path (User Files Root–relative).
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type DefaultPathStore interface {
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// GetDefault returns the stored path, or empty when none is set yet.
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GetDefault() (string, error)
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// SetDefault writes a User Files Root–relative Working Folder path.
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SetDefault(rel string) error
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}
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// FileStore is the local-adapter settings JSON file.
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type FileStore struct {
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Path string
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}
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type settingsFile struct {
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DefaultPath string `json:"defaultPath"`
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}
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// GetDefault reads the saved default; empty means the caller should use the product initial default.
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func (s FileStore) GetDefault() (string, error) {
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body, err := os.ReadFile(s.Path)
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if err != nil {
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if os.IsNotExist(err) {
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return "", nil
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}
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return "", err
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}
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var sf settingsFile
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if err := json.Unmarshal(body, &sf); err != nil {
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return "", err
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}
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return strings.TrimSpace(sf.DefaultPath), nil
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}
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// SetDefault writes the saved Working Folder path.
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func (s FileStore) SetDefault(rel string) error {
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body, err := json.MarshalIndent(settingsFile{DefaultPath: rel}, "", " ")
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if err != nil {
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return err
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}
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if err := os.MkdirAll(filepath.Dir(s.Path), 0o755); err != nil {
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return err
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}
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return os.WriteFile(s.Path, append(body, '\n'), 0o644)
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}
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// Memory is an in-memory DefaultPathStore for tests.
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type Memory struct {
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Value string
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}
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// GetDefault returns the in-memory value.
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func (m *Memory) GetDefault() (string, error) { return m.Value, nil }
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// SetDefault stores the value in memory.
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func (m *Memory) SetDefault(rel string) error {
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m.Value = rel
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return nil
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}
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