import opml

server/handlers.go

@@ -5,16 +5,15 @@ import (
 	"github.com/mmcdole/gofeed"
 	"net/http"
 	"encoding/json"
+	"encoding/xml"
 	"os"
 	"log"
 	"io"
-	"io/ioutil"
 	"mime"
 	"strings"
 	"path/filepath"
 	"strconv"
 	"math"
-	"fmt"
 )
 
 func IndexHandler(rw http.ResponseWriter, req *http.Request) {
@@ -351,6 +350,33 @@ func SettingsHandler(rw http.ResponseWriter, req *http.Request) {
 	}
 }
 
+type opml struct {
+	XMLName  xml.Name  `xml:"opml"`
+	Version  string    `xml:"version,attr"`
+	Outlines []outline `xml:"body>outline"`
+}
+
+type outline struct {
+	Type     string    `xml:"type,attr,omitempty"`
+	Title     string    `xml:"text,attr"`
+	FeedURL  string    `xml:"xmlUrl,attr,omitempty"`
+	SiteURL  string    `xml:"htmlUrl,attr,omitempty"`
+	Description  string    `xml:"description,attr,omitempty"`
+	Outlines []outline `xml:"outline,omitempty"`
+}
+
+func (o outline) AllFeeds() []outline {
+	result := make([]outline, 0)
+	for _, sub := range o.Outlines {
+		if sub.Type == "rss" {
+			result = append(result, sub)
+		} else {
+			result = append(result, sub.AllFeeds()...)
+		}
+	}
+	return result
+}
+
 func OPMLImportHandler(rw http.ResponseWriter, req *http.Request) {
 	if req.Method == "POST" {
 		file, _, err := req.FormFile("opml")
@@ -358,12 +384,25 @@ func OPMLImportHandler(rw http.ResponseWriter, req *http.Request) {
 			log.Print(err)
 			return
 		}
-		content, err := ioutil.ReadAll(file)
+		feeds := new(opml)
+		decoder := xml.NewDecoder(file)
+		decoder.Entity = xml.HTMLEntity
+		decoder.Strict = false
+		err = decoder.Decode(&feeds)
 		if err != nil {
 			log.Print(err)
 			return
 		}
-		fmt.Println(string(content))
+		for _, outline := range feeds.Outlines {
+			if outline.Type == "rss" {
+				db(req).CreateFeed(outline.Title, outline.Description, outline.SiteURL, outline.FeedURL, "", nil)
+			} else {
+				folder := db(req).CreateFolder(outline.Title)
+				for _, o := range outline.AllFeeds() {
+					db(req).CreateFeed(o.Title, o.Description, o.SiteURL, o.FeedURL, "", &folder.Id)
+				}
+			}
+		}
 	} else {
 		rw.WriteHeader(http.StatusMethodNotAllowed)
 	}

storage/folder.go

@@ -13,17 +13,34 @@ type Folder struct {
 func (s *Storage) CreateFolder(title string) *Folder {
 	expanded := true
 	result, err := s.db.Exec(`
-		insert into folders (title, is_expanded) values (?, ?)`,
+		insert into folders (title, is_expanded) values (?, ?)
+		on conflict (title) do nothing`,
 		title, expanded,
 	)
 	if err != nil {
 		fmt.Println(err)
 		return nil
 	}
-	id, idErr := result.LastInsertId()
-	if idErr != nil {
+
+	var id int64
+	numrows, err := result.RowsAffected()
+	if err != nil {
+		s.log.Print(err)
 		return nil
 	}
+	if numrows == 1 {
+		id, err = result.LastInsertId()
+		if err != nil {
+			s.log.Print(err)
+			return nil
+		}
+	} else {
+		err = s.db.QueryRow(`select id, is_expanded from folders where title=?`, title).Scan(&id, &expanded)
+		if err != nil {
+			s.log.Print(err)
+			return nil
+		}
+	}
 	return &Folder{Id: id, Title: title, IsExpanded: expanded}
 }
 

storage/storage.go

@@ -14,6 +14,8 @@ create table if not exists folders (
  is_expanded    boolean not null default false
 );
 
+create unique index if not exists idx_folder_title on folders(title);
+
 create table if not exists feeds (
  id             integer primary key autoincrement,
  folder_id      references folders(id),
@@ -63,12 +65,10 @@ func New() (*Storage, error) {
 	if err != nil {
 		return nil, err
 	}
-	/*
 	_, err = db.Exec(initQuery)
 	if err != nil {
 		return nil, err
 	}
-	*/
 	logger := log.New(os.Stdout, "storage: ", log.Ldate | log.Ltime | log.Lshortfile)
 	return &Storage{db: db, log: logger}, nil
 }

template/static/javascripts/app.js

@@ -241,10 +241,12 @@ var vm = new Vue({
       api.items.update(item.id, {status: item.status})
     },
     importOPML: function(event) {
+      var vm = this
       var input = event.target
       var form = document.querySelector('#opml-import-form')
       api.upload_opml(form).then(function() {
         input.value = ''
+        vm.refreshFeeds()
       })
     },
   }