Repository navigation
Expand file tree
/
Copy pathfeed.go
More file actions
529 lines (477 loc) · 11.9 KB
/
Copy pathfeed.go
File metadata and controls
529 lines (477 loc) · 11.9 KB
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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
// 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 storage // import "miniflux.app/storage"
import (
"database/sql"
"errors"
"fmt"
"miniflux.app/model"
"miniflux.app/timezone"
)
// FeedExists checks if the given feed exists.
func (s *Storage) FeedExists(userID, feedID int64) bool {
var result bool
query := `SELECT true FROM feeds WHERE user_id=$1 AND id=$2`
s.db.QueryRow(query, userID, feedID).Scan(&result)
return result
}
// FeedURLExists checks if feed URL already exists.
func (s *Storage) FeedURLExists(userID int64, feedURL string) bool {
var result bool
query := `SELECT true FROM feeds WHERE user_id=$1 AND feed_url=$2`
s.db.QueryRow(query, userID, feedURL).Scan(&result)
return result
}
// CountAllFeeds returns the number of feeds in the database.
func (s *Storage) CountAllFeeds() map[string]int64 {
rows, err := s.db.Query(`SELECT disabled, count(*) FROM feeds GROUP BY disabled`)
if err != nil {
return nil
}
defer rows.Close()
results := make(map[string]int64)
results["active"] = 0
results["inactive"] = 0
for rows.Next() {
var disabled bool
var count int64
if err := rows.Scan(&disabled, &count); err != nil {
continue
}
if disabled {
results["inactive"] = count
} else {
results["active"] = count
}
}
results["total"] = results["inactive"] + results["active"]
return results
}
// CountFeeds returns the number of feeds that belongs to the given user.
func (s *Storage) CountFeeds(userID int64) int {
var result int
err := s.db.QueryRow(`SELECT count(*) FROM feeds WHERE user_id=$1`, userID).Scan(&result)
if err != nil {
return 0
}
return result
}
// CountErrorFeeds returns the number of feeds with parse errors that belong to the given user.
func (s *Storage) CountErrorFeeds(userID int64) int {
query := `SELECT count(*) FROM feeds WHERE user_id=$1 AND parsing_error_count>=$2`
var result int
err := s.db.QueryRow(query, userID, maxParsingError).Scan(&result)
if err != nil {
return 0
}
return result
}
// Feeds returns all feeds of the given user.
func (s *Storage) Feeds(userID int64) (model.Feeds, error) {
feeds := make(model.Feeds, 0)
query := `
SELECT
f.id,
f.feed_url,
f.site_url,
f.title,
f.etag_header,
f.last_modified_header,
f.user_id,
f.checked_at at time zone u.timezone,
f.parsing_error_count,
f.parsing_error_msg,
f.scraper_rules,
f.rewrite_rules,
f.crawler,
f.user_agent,
f.username,
f.password,
f.disabled,
f.category_id,
c.title as category_title,
fi.icon_id,
u.timezone
FROM feeds f
LEFT JOIN categories c ON c.id=f.category_id
LEFT JOIN feed_icons fi ON fi.feed_id=f.id
LEFT JOIN users u ON u.id=f.user_id
WHERE
f.user_id=$1
ORDER BY f.parsing_error_count DESC, lower(f.title) ASC
`
rows, err := s.db.Query(query, userID)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch feeds: %v`, err)
}
defer rows.Close()
for rows.Next() {
var feed model.Feed
var iconID interface{}
var tz string
feed.Category = &model.Category{UserID: userID}
err := rows.Scan(
&feed.ID,
&feed.FeedURL,
&feed.SiteURL,
&feed.Title,
&feed.EtagHeader,
&feed.LastModifiedHeader,
&feed.UserID,
&feed.CheckedAt,
&feed.ParsingErrorCount,
&feed.ParsingErrorMsg,
&feed.ScraperRules,
&feed.RewriteRules,
&feed.Crawler,
&feed.UserAgent,
&feed.Username,
&feed.Password,
&feed.Disabled,
&feed.Category.ID,
&feed.Category.Title,
&iconID,
&tz,
)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch feeds row: %v`, err)
}
if iconID != nil {
feed.Icon = &model.FeedIcon{FeedID: feed.ID, IconID: iconID.(int64)}
}
feed.CheckedAt = timezone.Convert(tz, feed.CheckedAt)
feeds = append(feeds, &feed)
}
return feeds, nil
}
// FeedsWithCounters returns all feeds of the given user with counters of read and unread entries.
func (s *Storage) FeedsWithCounters(userID int64) (model.Feeds, error) {
query := `
SELECT
f.id,
f.feed_url,
f.site_url,
f.title,
f.etag_header,
f.last_modified_header,
f.user_id,
f.checked_at at time zone u.timezone,
f.parsing_error_count, f.parsing_error_msg,
f.scraper_rules, f.rewrite_rules, f.crawler, f.user_agent,
f.username, f.password, f.disabled,
f.category_id, c.title as category_title,
fi.icon_id,
u.timezone,
(SELECT count(*) FROM entries WHERE entries.feed_id=f.id AND status='unread') as unread_count,
(SELECT count(*) FROM entries WHERE entries.feed_id=f.id AND status='read') as read_count
FROM feeds f
LEFT JOIN categories c ON c.id=f.category_id
LEFT JOIN feed_icons fi ON fi.feed_id=f.id
LEFT JOIN users u ON u.id=f.user_id
WHERE
f.user_id=$1
ORDER BY f.parsing_error_count DESC, unread_count DESC, lower(f.title) ASC
`
return s.fetchFeedsWithCounters(query, userID)
}
// FeedsByCategoryWithCounters returns all feeds of the given user/category with counters of read and unread entries.
func (s *Storage) FeedsByCategoryWithCounters(userID, categoryID int64) (model.Feeds, error) {
query := `
SELECT
f.id,
f.feed_url,
f.site_url,
f.title,
f.etag_header,
f.last_modified_header,
f.user_id,
f.checked_at at time zone u.timezone,
f.parsing_error_count, f.parsing_error_msg,
f.scraper_rules, f.rewrite_rules, f.crawler, f.user_agent,
f.username, f.password, f.disabled,
f.category_id, c.title as category_title,
fi.icon_id,
u.timezone,
(SELECT count(*) FROM entries WHERE entries.feed_id=f.id AND status='unread') as unread_count,
(SELECT count(*) FROM entries WHERE entries.feed_id=f.id AND status='read') as read_count
FROM feeds f
LEFT JOIN categories c ON c.id=f.category_id
LEFT JOIN feed_icons fi ON fi.feed_id=f.id
LEFT JOIN users u ON u.id=f.user_id
WHERE
f.user_id=$1 AND f.category_id=$2
ORDER BY f.parsing_error_count DESC, unread_count DESC, lower(f.title) ASC
`
return s.fetchFeedsWithCounters(query, userID, categoryID)
}
func (s *Storage) fetchFeedsWithCounters(query string, args ...interface{}) (model.Feeds, error) {
feeds := make(model.Feeds, 0)
rows, err := s.db.Query(query, args...)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch feeds: %v`, err)
}
defer rows.Close()
for rows.Next() {
var feed model.Feed
var iconID interface{}
var tz string
feed.Category = &model.Category{}
err := rows.Scan(
&feed.ID,
&feed.FeedURL,
&feed.SiteURL,
&feed.Title,
&feed.EtagHeader,
&feed.LastModifiedHeader,
&feed.UserID,
&feed.CheckedAt,
&feed.ParsingErrorCount,
&feed.ParsingErrorMsg,
&feed.ScraperRules,
&feed.RewriteRules,
&feed.Crawler,
&feed.UserAgent,
&feed.Username,
&feed.Password,
&feed.Disabled,
&feed.Category.ID,
&feed.Category.Title,
&iconID,
&tz,
&feed.UnreadCount,
&feed.ReadCount,
)
if err != nil {
return nil, fmt.Errorf(`store: unable to fetch feeds row: %v`, err)
}
if iconID != nil {
feed.Icon = &model.FeedIcon{FeedID: feed.ID, IconID: iconID.(int64)}
}
feed.CheckedAt = timezone.Convert(tz, feed.CheckedAt)
feed.Category.UserID = feed.UserID
feeds = append(feeds, &feed)
}
return feeds, nil
}
// FeedByID returns a feed by the ID.
func (s *Storage) FeedByID(userID, feedID int64) (*model.Feed, error) {
var feed model.Feed
var iconID interface{}
var tz string
feed.Category = &model.Category{UserID: userID}
query := `
SELECT
f.id,
f.feed_url,
f.site_url,
f.title,
f.etag_header,
f.last_modified_header,
f.user_id, f.checked_at at time zone u.timezone,
f.parsing_error_count,
f.parsing_error_msg,
f.scraper_rules,
f.rewrite_rules,
f.crawler,
f.user_agent,
f.username,
f.password,
f.disabled,
f.category_id,
c.title as category_title,
fi.icon_id,
u.timezone
FROM feeds f
LEFT JOIN categories c ON c.id=f.category_id
LEFT JOIN feed_icons fi ON fi.feed_id=f.id
LEFT JOIN users u ON u.id=f.user_id
WHERE
f.user_id=$1 AND f.id=$2
`
err := s.db.QueryRow(query, userID, feedID).Scan(
&feed.ID,
&feed.FeedURL,
&feed.SiteURL,
&feed.Title,
&feed.EtagHeader,
&feed.LastModifiedHeader,
&feed.UserID,
&feed.CheckedAt,
&feed.ParsingErrorCount,
&feed.ParsingErrorMsg,
&feed.ScraperRules,
&feed.RewriteRules,
&feed.Crawler,
&feed.UserAgent,
&feed.Username,
&feed.Password,
&feed.Disabled,
&feed.Category.ID,
&feed.Category.Title,
&iconID,
&tz,
)
switch {
case err == sql.ErrNoRows:
return nil, nil
case err != nil:
return nil, fmt.Errorf(`store: unable to fetch feed #%d: %v`, feedID, err)
}
if iconID != nil {
feed.Icon = &model.FeedIcon{FeedID: feed.ID, IconID: iconID.(int64)}
}
feed.CheckedAt = timezone.Convert(tz, feed.CheckedAt)
return &feed, nil
}
// CreateFeed creates a new feed.
func (s *Storage) CreateFeed(feed *model.Feed) error {
sql := `
INSERT INTO feeds (
feed_url,
site_url,
title,
category_id,
user_id,
etag_header,
last_modified_header,
crawler,
user_agent,
username,
password,
disabled,
scraper_rules,
rewrite_rules
)
VALUES
($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14)
RETURNING
id
`
err := s.db.QueryRow(
sql,
feed.FeedURL,
feed.SiteURL,
feed.Title,
feed.Category.ID,
feed.UserID,
feed.EtagHeader,
feed.LastModifiedHeader,
feed.Crawler,
feed.UserAgent,
feed.Username,
feed.Password,
feed.Disabled,
feed.ScraperRules,
feed.RewriteRules,
).Scan(&feed.ID)
if err != nil {
return fmt.Errorf(`store: unable to create feed %q: %v`, feed.FeedURL, err)
}
for i := 0; i < len(feed.Entries); i++ {
feed.Entries[i].FeedID = feed.ID
feed.Entries[i].UserID = feed.UserID
if !s.entryExists(feed.Entries[i]) {
err := s.createEntry(feed.Entries[i])
if err != nil {
return err
}
}
}
return nil
}
// UpdateFeed updates an existing feed.
func (s *Storage) UpdateFeed(feed *model.Feed) (err error) {
query := `
UPDATE
feeds
SET
feed_url=$1,
site_url=$2,
title=$3,
category_id=$4,
etag_header=$5,
last_modified_header=$6,
checked_at=$7,
parsing_error_msg=$8,
parsing_error_count=$9,
scraper_rules=$10,
rewrite_rules=$11,
crawler=$12,
user_agent=$13,
username=$14,
password=$15,
disabled=$16
WHERE
id=$17 AND user_id=$18
`
_, err = s.db.Exec(query,
feed.FeedURL,
feed.SiteURL,
feed.Title,
feed.Category.ID,
feed.EtagHeader,
feed.LastModifiedHeader,
feed.CheckedAt,
feed.ParsingErrorMsg,
feed.ParsingErrorCount,
feed.ScraperRules,
feed.RewriteRules,
feed.Crawler,
feed.UserAgent,
feed.Username,
feed.Password,
feed.Disabled,
feed.ID,
feed.UserID,
)
if err != nil {
return fmt.Errorf(`store: unable to update feed #%d (%s): %v`, feed.ID, feed.FeedURL, err)
}
return nil
}
// UpdateFeedError updates feed errors.
func (s *Storage) UpdateFeedError(feed *model.Feed) (err error) {
query := `
UPDATE
feeds
SET
parsing_error_msg=$1,
parsing_error_count=$2,
checked_at=$3
WHERE
id=$4 AND user_id=$5
`
_, err = s.db.Exec(query,
feed.ParsingErrorMsg,
feed.ParsingErrorCount,
feed.CheckedAt,
feed.ID,
feed.UserID,
)
if err != nil {
return fmt.Errorf(`store: unable to update feed error #%d (%s): %v`, feed.ID, feed.FeedURL, err)
}
return nil
}
// RemoveFeed removes a feed.
func (s *Storage) RemoveFeed(userID, feedID int64) error {
query := `DELETE FROM feeds WHERE id = $1 AND user_id = $2`
result, err := s.db.Exec(query, feedID, userID)
if err != nil {
return fmt.Errorf(`store: unable to remove feed #%d: %v`, feedID, err)
}
count, err := result.RowsAffected()
if err != nil {
return fmt.Errorf(`store: unable to remove feed #%d: %v`, feedID, err)
}
if count == 0 {
return errors.New(`store: no feed has been removed`)
}
return nil
}
// ResetFeedErrors removes all feed errors.
func (s *Storage) ResetFeedErrors() error {
_, err := s.db.Exec(`UPDATE feeds SET parsing_error_count=0, parsing_error_msg=''`)
return err
}