1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
// Copyright 2017 Frédéric Guillot. All rights reserved.
// Use of this source code is governed by the Apache 2.0
// license that can be found in the LICENSE file.
package opml // import "miniflux.app/reader/opml"
import (
"errors"
"fmt"
"io"
"miniflux.app/logger"
"miniflux.app/model"
"miniflux.app/storage"
)
// Handler handles the logic for OPML import/export.
type Handler struct {
store *storage.Storage
}
// Export exports user feeds to OPML.
func (h *Handler) Export(userID int64) (string, error) {
feeds, err := h.store.Feeds(userID)
if err != nil {
return "", err
}
var subscriptions SubcriptionList
for _, feed := range feeds {
subscriptions = append(subscriptions, &Subcription{
Title: feed.Title,
FeedURL: feed.FeedURL,
SiteURL: feed.SiteURL,
CategoryName: feed.Category.Title,
})
}
return Serialize(subscriptions), nil
}
// Import parses and create feeds from an OPML import.
func (h *Handler) Import(userID int64, data io.Reader) error {
subscriptions, err := Parse(data)
if err != nil {
return err
}
for _, subscription := range subscriptions {
if !h.store.FeedURLExists(userID, subscription.FeedURL) {
var category *model.Category
var err error
if subscription.CategoryName == "" {
category, err = h.store.FirstCategory(userID)
if err != nil {
logger.Error("[OPML:Import] %v", err)
return errors.New("unable to find first category")
}
} else {
category, err = h.store.CategoryByTitle(userID, subscription.CategoryName)
if err != nil {
logger.Error("[OPML:Import] %v", err)
return errors.New("unable to search category by title")
}
if category == nil {
category = &model.Category{
UserID: userID,
Title: subscription.CategoryName,
}
err := h.store.CreateCategory(category)
if err != nil {
logger.Error("[OPML:Import] %v", err)
return fmt.Errorf(`unable to create this category: %q`, subscription.CategoryName)
}
}
}
feed := &model.Feed{
UserID: userID,
Title: subscription.Title,
FeedURL: subscription.FeedURL,
SiteURL: subscription.SiteURL,
Category: category,
}
h.store.CreateFeed(feed)
}
}
return nil
}
// NewHandler creates a new handler for OPML files.
func NewHandler(store *storage.Storage) *Handler {
return &Handler{store: store}
}
|
