godash/src/bookmarks/bookmark.go
2023-06-14 21:53:27 +02:00

118 lines
2.5 KiB
Go

package bookmarks
import (
"github.com/fsnotify/fsnotify"
folderCreate "github.com/unjx-de/go-folder"
"go.uber.org/zap"
"gopkg.in/yaml.v3"
"io"
"os"
"strings"
)
const StorageDir = "storage/"
const IconsDir = StorageDir + "icons/"
const bookmarksFolder = "bookmarks/"
const configFile = "config.yaml"
func NewBookmarkService(logging *zap.SugaredLogger) *Config {
c := Config{log: logging}
c.createFolderStructure()
c.copyDefaultConfigIfNotExisting()
c.parseBookmarks()
go c.watchBookmarks()
return &c
}
func (c *Config) createFolderStructure() {
folders := []string{StorageDir, IconsDir}
err := folderCreate.CreateFolders(folders, 0755)
if err != nil {
c.log.Fatal(err)
}
c.log.Debugw("folders created", "folders", folders)
}
func (c *Config) copyDefaultConfigIfNotExisting() {
_, err := os.Open(StorageDir + configFile)
if err != nil {
c.log.Debug(configFile + " not existing, creating...")
source, _ := os.Open(bookmarksFolder + configFile)
defer source.Close()
destination, err := os.Create(StorageDir + configFile)
if err != nil {
c.log.Error(err)
return
}
defer destination.Close()
_, err = io.Copy(destination, source)
if err != nil {
c.log.Error(err)
return
}
c.log.Debug(configFile + " created")
} else {
c.log.Debug(configFile + " existing, skipping creation")
}
}
func (c *Config) readBookmarksFile() []byte {
file, err := os.Open(StorageDir + configFile)
if err != nil {
c.log.Error(err)
return nil
}
defer file.Close()
byteValue, err := io.ReadAll(file)
if err != nil {
c.log.Error(err)
return nil
}
return byteValue
}
func (c *Config) replaceIconString() {
for _, v := range c.Parsed.Applications {
for i, bookmark := range v.Entries {
if !strings.Contains(bookmark.Icon, "http") {
v.Entries[i].Icon = "/" + IconsDir + bookmark.Icon
}
}
}
}
func (c *Config) parseBookmarks() {
byteValue := c.readBookmarksFile()
err := yaml.Unmarshal(byteValue, &c.Parsed)
if err != nil {
c.log.Error(err)
return
}
c.replaceIconString()
}
func (c *Config) watchBookmarks() {
watcher, err := fsnotify.NewWatcher()
if err != nil {
c.log.Error(err)
}
defer watcher.Close()
done := make(chan bool)
go func() {
for {
select {
case _ = <-watcher.Events:
c.parseBookmarks()
c.log.Debug("bookmarks changed", "applications", len(c.Parsed.Applications), "links", len(c.Parsed.Links))
case err := <-watcher.Errors:
c.log.Error(err)
}
}
}()
if err := watcher.Add(StorageDir + configFile); err != nil {
c.log.Fatal()
}
<-done
}