shiori/internal/cmd/import.go

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package cmd
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import (
"fmt"
nurl "net/url"
"os"
"strconv"
"strings"
"time"
"github.com/PuerkitoBio/goquery"
"github.com/go-shiori/shiori/internal/model"
"github.com/spf13/cobra"
)
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func importCmd() *cobra.Command {
cmd := &cobra.Command{
Use: "import source-file",
Short: "Import bookmarks from HTML file in Netscape Bookmark format",
Args: cobra.ExactArgs(1),
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Run: importHandler,
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}
cmd.Flags().BoolP("generate-tag", "t", false, "Auto generate tag from bookmark's category")
return cmd
}
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func importHandler(cmd *cobra.Command, args []string) {
// Parse flags
generateTag := cmd.Flags().Changed("generate-tag")
// If user doesn't specify, ask if tag need to be generated
if !generateTag {
var submit string
fmt.Print("Add parents folder as tag? (y/N): ")
fmt.Scanln(&submit)
generateTag = submit == "y"
}
// Prepare bookmark's ID
bookID, err := DB.CreateNewID("bookmark")
if err != nil {
cError.Printf("Failed to create ID: %v\n", err)
return
}
// Open bookmark's file
srcFile, err := os.Open(args[0])
if err != nil {
cError.Printf("Failed to open %s: %v\n", args[0], err)
return
}
defer srcFile.Close()
// Parse bookmark's file
bookmarks := []model.Bookmark{}
mapURL := make(map[string]struct{})
doc, err := goquery.NewDocumentFromReader(srcFile)
if err != nil {
cError.Printf("Failed to parse bookmark: %v\n", err)
return
}
doc.Find("dt>a").Each(func(_ int, a *goquery.Selection) {
// Get related elements
dt := a.Parent()
dl := dt.Parent()
h3 := dl.Parent().Find("h3").First()
// Get metadata
title := a.Text()
url, _ := a.Attr("href")
strTags, _ := a.Attr("tags")
strModified, _ := a.Attr("last_modified")
intModified, _ := strconv.ParseInt(strModified, 10, 64)
modified := time.Unix(intModified, 0)
// Clean up URL by removing its fragment and UTM parameters
tmp, err := nurl.Parse(url)
if err != nil || tmp.Scheme == "" || tmp.Hostname() == "" {
cError.Printf("Skip %s: URL is not valid\n", url)
return
}
tmp.Fragment = ""
clearUTMParams(tmp)
url = tmp.String()
// Check if the URL already exist before, both in bookmark
// file or in database
if _, exist := mapURL[url]; exist {
cError.Printf("Skip %s: URL already exists\n", url)
return
}
if _, exist := DB.GetBookmark(0, url); exist {
cError.Printf("Skip %s: URL already exists\n", url)
mapURL[url] = struct{}{}
return
}
// Get bookmark tags
tags := []model.Tag{}
for _, strTag := range strings.Split(strTags, ",") {
strTag = normalizeSpace(strTag)
if strTag != "" {
tags = append(tags, model.Tag{Name: strTag})
}
}
// Get category name for this bookmark
// and add it as tags (if necessary)
category := normalizeSpace(h3.Text())
if category != "" && generateTag {
tags = append(tags, model.Tag{Name: category})
}
// Add item to list
bookmark := model.Bookmark{
ID: bookID,
URL: url,
Title: normalizeSpace(title),
Modified: modified.Format("2006-01-02 15:04:05"),
Tags: tags,
}
bookID++
mapURL[url] = struct{}{}
bookmarks = append(bookmarks, bookmark)
})
// Save bookmark to database
bookmarks, err = DB.SaveBookmarks(bookmarks...)
if err != nil {
cError.Printf("Failed to save bookmarks: %v\n", err)
return
}
// Print imported bookmark
fmt.Println()
printBookmarks(bookmarks...)
}