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1 | <?php | |
2 | class CCache { | |
3 | static function zero_all($owner_uid) { | |
4 | $pdo = Db::pdo(); | |
5 | ||
6 | $sth = $pdo->prepare("UPDATE ttrss_counters_cache SET | |
7 | value = 0 WHERE owner_uid = ?"); | |
8 | $sth->execute([$owner_uid]); | |
9 | ||
10 | $sth = $pdo->prepare("UPDATE ttrss_cat_counters_cache SET | |
11 | value = 0 WHERE owner_uid = ?"); | |
12 | $sth->execute([$owner_uid]); | |
13 | } | |
14 | ||
15 | static function remove($feed_id, $owner_uid, $is_cat = false) { | |
16 | ||
17 | $feed_id = (int) $feed_id; | |
18 | ||
19 | if (!$is_cat) { | |
20 | $table = "ttrss_counters_cache"; | |
21 | } else { | |
22 | $table = "ttrss_cat_counters_cache"; | |
23 | } | |
24 | ||
25 | $pdo = Db::pdo(); | |
26 | ||
27 | $sth = $pdo->prepare("DELETE FROM $table WHERE | |
28 | feed_id = ? AND owner_uid = ?"); | |
29 | $sth->execute([$feed_id, $owner_uid]); | |
30 | ||
31 | } | |
32 | ||
33 | static function update_all($owner_uid) { | |
34 | ||
35 | $pdo = Db::pdo(); | |
36 | ||
37 | if (get_pref('ENABLE_FEED_CATS', $owner_uid)) { | |
38 | ||
39 | $sth = $pdo->prepare("SELECT feed_id FROM ttrss_cat_counters_cache | |
40 | WHERE feed_id > 0 AND owner_uid = ?"); | |
41 | $sth->execute([$owner_uid]); | |
42 | ||
43 | while ($line = $sth->fetch()) { | |
44 | CCache::update($line["feed_id"], $owner_uid, true); | |
45 | } | |
46 | ||
47 | /* We have to manually include category 0 */ | |
48 | ||
49 | CCache::update(0, $owner_uid, true); | |
50 | ||
51 | } else { | |
52 | $sth = $pdo->prepare("SELECT feed_id FROM ttrss_counters_cache | |
53 | WHERE feed_id > 0 AND owner_uid = ?"); | |
54 | $sth->execute([$owner_uid]); | |
55 | ||
56 | while ($line = $sth->fetch()) { | |
57 | print CCache::update($line["feed_id"], $owner_uid); | |
58 | ||
59 | } | |
60 | ||
61 | } | |
62 | } | |
63 | ||
64 | static function find($feed_id, $owner_uid, $is_cat = false, | |
65 | $no_update = false) { | |
66 | ||
67 | // "" (null) is valid and should be cast to 0 (uncategorized) | |
68 | // everything else i.e. tags are not | |
69 | if (!is_numeric($feed_id) && $feed_id) | |
70 | return; | |
71 | ||
72 | $feed_id = (int) $feed_id; | |
73 | ||
74 | if (!$is_cat) { | |
75 | $table = "ttrss_counters_cache"; | |
76 | } else { | |
77 | $table = "ttrss_cat_counters_cache"; | |
78 | } | |
79 | ||
80 | $pdo = Db::pdo(); | |
81 | ||
82 | $sth = $pdo->prepare("SELECT value FROM $table | |
83 | WHERE owner_uid = ? AND feed_id = ? | |
84 | LIMIT 1"); | |
85 | ||
86 | $sth->execute([$owner_uid, $feed_id]); | |
87 | ||
88 | if ($row = $sth->fetch()) { | |
89 | return $row["value"]; | |
90 | } else { | |
91 | if ($no_update) { | |
92 | return -1; | |
93 | } else { | |
94 | return CCache::update($feed_id, $owner_uid, $is_cat); | |
95 | } | |
96 | } | |
97 | ||
98 | } | |
99 | ||
100 | static function update($feed_id, $owner_uid, $is_cat = false, | |
101 | $update_pcat = true, $pcat_fast = false) { | |
102 | ||
103 | // "" (null) is valid and should be cast to 0 (uncategorized) | |
104 | // everything else i.e. tags are not | |
105 | if (!is_numeric($feed_id) && $feed_id) | |
106 | return; | |
107 | ||
108 | $feed_id = (int) $feed_id; | |
109 | ||
110 | $prev_unread = CCache::find($feed_id, $owner_uid, $is_cat, true); | |
111 | ||
112 | /* When updating a label, all we need to do is recalculate feed counters | |
113 | * because labels are not cached */ | |
114 | ||
115 | if ($feed_id < 0) { | |
116 | CCache::update_all($owner_uid); | |
117 | return; | |
118 | } | |
119 | ||
120 | if (!$is_cat) { | |
121 | $table = "ttrss_counters_cache"; | |
122 | } else { | |
123 | $table = "ttrss_cat_counters_cache"; | |
124 | } | |
125 | ||
126 | $pdo = Db::pdo(); | |
127 | ||
128 | if ($is_cat && $feed_id >= 0) { | |
129 | /* Recalculate counters for child feeds */ | |
130 | ||
131 | if (!$pcat_fast) { | |
132 | $sth = $pdo->prepare("SELECT id FROM ttrss_feeds | |
133 | WHERE owner_uid = :uid AND | |
134 | (cat_id = :cat OR (:cat = 0 AND cat_id IS NULL))"); | |
135 | $sth->execute([":uid" => $owner_uid, ":cat" => $feed_id]); | |
136 | ||
137 | while ($line = $sth->fetch()) { | |
138 | CCache::update((int)$line["id"], $owner_uid, false, false); | |
139 | } | |
140 | } | |
141 | ||
142 | $sth = $pdo->prepare("SELECT SUM(value) AS sv | |
143 | FROM ttrss_counters_cache, ttrss_feeds | |
144 | WHERE id = feed_id AND | |
145 | (cat_id = :cat OR (:cat = 0 AND cat_id IS NULL)) AND | |
146 | ttrss_counters_cache.owner_uid = :uid AND | |
147 | ttrss_feeds.owner_uid = :uid"); | |
148 | $sth->execute([":uid" => $owner_uid, ":cat" => $feed_id]); | |
149 | $row = $sth->fetch(); | |
150 | ||
151 | $unread = (int) $row["sv"]; | |
152 | ||
153 | } else { | |
154 | $unread = (int) Feeds::getFeedArticles($feed_id, $is_cat, true, $owner_uid); | |
155 | } | |
156 | ||
157 | $tr_in_progress = false; | |
158 | ||
159 | try { | |
160 | $pdo->beginTransaction(); | |
161 | } catch (Exception $e) { | |
162 | $tr_in_progress = true; | |
163 | } | |
164 | ||
165 | $sth = $pdo->prepare("SELECT feed_id FROM $table | |
166 | WHERE owner_uid = ? AND feed_id = ? LIMIT 1"); | |
167 | $sth->execute([$owner_uid, $feed_id]); | |
168 | ||
169 | if ($sth->fetch()) { | |
170 | ||
171 | $sth = $pdo->prepare("UPDATE $table SET | |
172 | value = ?, updated = NOW() WHERE | |
173 | feed_id = ? AND owner_uid = ?"); | |
174 | ||
175 | $sth->execute([$unread, $feed_id, $owner_uid]); | |
176 | ||
177 | } else { | |
178 | $sth = $pdo->prepare("INSERT INTO $table | |
179 | (feed_id, value, owner_uid, updated) | |
180 | VALUES | |
181 | (?, ?, ?, NOW())"); | |
182 | $sth->execute([$feed_id, $unread, $owner_uid]); | |
183 | } | |
184 | ||
185 | if (!$tr_in_progress) $pdo->commit(); | |
186 | ||
187 | if ($feed_id > 0 && $prev_unread != $unread) { | |
188 | ||
189 | if (!$is_cat) { | |
190 | ||
191 | /* Update parent category */ | |
192 | ||
193 | if ($update_pcat) { | |
194 | ||
195 | $sth = $pdo->prepare("SELECT cat_id FROM ttrss_feeds | |
196 | WHERE owner_uid = ? AND id = ?"); | |
197 | $sth->execute([$owner_uid, $feed_id]); | |
198 | ||
199 | if ($row = $sth->fetch()) { | |
200 | CCache::update((int)$row["cat_id"], $owner_uid, true, true, true); | |
201 | } | |
202 | } | |
203 | } | |
204 | } else if ($feed_id < 0) { | |
205 | CCache::update_all($owner_uid); | |
206 | } | |
207 | ||
208 | return $unread; | |
209 | } | |
210 | ||
211 | } |