include/ccache.php

   1 <?php
   2         /* function ccache_zero( $feed_id, $owner_uid) {
   3                 db_query( "UPDATE ttrss_counters_cache SET
   4                         value = 0, updated = NOW() WHERE
   5                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
   6         } */
   7
   8         function ccache_zero_all( $owner_uid) {
   9                 db_query( "UPDATE ttrss_counters_cache SET
  10                         value = 0 WHERE owner_uid = '$owner_uid'");
  11
  12                 db_query( "UPDATE ttrss_cat_counters_cache SET
  13                         value = 0 WHERE owner_uid = '$owner_uid'");
  14         }
  15
  16         function ccache_remove( $feed_id, $owner_uid, $is_cat = false) {
  17
  18                 if (!$is_cat) {
  19                         $table = "ttrss_counters_cache";
  20                 } else {
  21                         $table = "ttrss_cat_counters_cache";
  22                 }
  23
  24                 db_query( "DELETE FROM $table WHERE
  25                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
  26
  27         }
  28
  29         function ccache_update_all( $owner_uid) {
  30
  31                 if (get_pref( 'ENABLE_FEED_CATS', $owner_uid)) {
  32
  33                         $result = db_query( "SELECT feed_id FROM ttrss_cat_counters_cache
  34                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
  35
  36                         while ($line = db_fetch_assoc($result)) {
  37                                 ccache_update( $line["feed_id"], $owner_uid, true);
  38                         }
  39
  40                         /* We have to manually include category 0 */
  41
  42                         ccache_update( 0, $owner_uid, true);
  43
  44                 } else {
  45                         $result = db_query( "SELECT feed_id FROM ttrss_counters_cache
  46                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
  47
  48                         while ($line = db_fetch_assoc($result)) {
  49                                 print ccache_update( $line["feed_id"], $owner_uid);
  50
  51                         }
  52
  53                 }
  54         }
  55
  56         function ccache_find( $feed_id, $owner_uid, $is_cat = false,
  57                 $no_update = false) {
  58
  59                 if (!is_numeric($feed_id)) return;
  60
  61                 if (!$is_cat) {
  62                         $table = "ttrss_counters_cache";
  63                         /* if ($feed_id > 0) {
  64                                 $tmp_result = db_query( "SELECT owner_uid FROM ttrss_feeds
  65                                         WHERE id = '$feed_id'");
  66                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
  67                         } */
  68                 } else {
  69                         $table = "ttrss_cat_counters_cache";
  70                 }
  71
  72                 if (DB_TYPE == "pgsql") {
  73                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
  74                 } else if (DB_TYPE == "mysql") {
  75                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
  76                 }
  77
  78                 $result = db_query( "SELECT value FROM $table
  79                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
  80                         LIMIT 1");
  81
  82                 if (db_num_rows($result) == 1) {
  83                         return db_fetch_result($result, 0, "value");
  84                 } else {
  85                         if ($no_update) {
  86                                 return -1;
  87                         } else {
  88                                 return ccache_update( $feed_id, $owner_uid, $is_cat);
  89                         }
  90                 }
  91
  92         }
  93
  94         function ccache_update( $feed_id, $owner_uid, $is_cat = false,
  95                 $update_pcat = true) {
  96
  97                 if (!is_numeric($feed_id)) return;
  98
  99                 /* if (!$is_cat && $feed_id > 0) {
 100                         $tmp_result = db_query( "SELECT owner_uid FROM ttrss_feeds
 101                                 WHERE id = '$feed_id'");
 102                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
 103                 } */
 104
 105                 $prev_unread = ccache_find( $feed_id, $owner_uid, $is_cat, true);
 106
 107                 /* When updating a label, all we need to do is recalculate feed counters
 108                  * because labels are not cached */
 109
 110                 if ($feed_id < 0) {
 111                         ccache_update_all( $owner_uid);
 112                         return;
 113                 }
 114
 115                 if (!$is_cat) {
 116                         $table = "ttrss_counters_cache";
 117                 } else {
 118                         $table = "ttrss_cat_counters_cache";
 119                 }
 120
 121                 if ($is_cat && $feed_id >= 0) {
 122                         if ($feed_id != 0) {
 123                                 $cat_qpart = "cat_id = '$feed_id'";
 124                         } else {
 125                                 $cat_qpart = "cat_id IS NULL";
 126                         }
 127
 128                         /* Recalculate counters for child feeds */
 129
 130                         $result = db_query( "SELECT id FROM ttrss_feeds
 131                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
 132
 133                         while ($line = db_fetch_assoc($result)) {
 134                                 ccache_update( $line["id"], $owner_uid, false, false);
 135                         }
 136
 137                         $result = db_query( "SELECT SUM(value) AS sv
 138                                 FROM ttrss_counters_cache, ttrss_feeds
 139                                 WHERE id = feed_id AND $cat_qpart AND
 140                                 ttrss_feeds.owner_uid = '$owner_uid'");
 141
 142                         $unread = (int) db_fetch_result($result, 0, "sv");
 143
 144                 } else {
 145                         $unread = (int) getFeedArticles( $feed_id, $is_cat, true, $owner_uid);
 146                 }
 147
 148                 db_query( "BEGIN");
 149
 150                 $result = db_query( "SELECT feed_id FROM $table
 151                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
 152
 153                 if (db_num_rows($result) == 1) {
 154                         db_query( "UPDATE $table SET
 155                                 value = '$unread', updated = NOW() WHERE
 156                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
 157
 158                 } else {
 159                         db_query( "INSERT INTO $table
 160                                 (feed_id, value, owner_uid, updated)
 161                                 VALUES
 162                                 ($feed_id, $unread, $owner_uid, NOW())");
 163                 }
 164
 165                 db_query( "COMMIT");
 166
 167                 if ($feed_id > 0 && $prev_unread != $unread) {
 168
 169                         if (!$is_cat) {
 170
 171                                 /* Update parent category */
 172
 173                                 if ($update_pcat) {
 174
 175                                         $result = db_query( "SELECT cat_id FROM ttrss_feeds
 176                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
 177
 178                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
 179
 180                                         ccache_update( $cat_id, $owner_uid, true);
 181
 182                                 }
 183                         }
 184                 } else if ($feed_id < 0) {
 185                         ccache_update_all( $owner_uid);
 186                 }
 187
 188                 return $unread;
 189         }
 190
 191         /* function ccache_cleanup( $owner_uid) {
 192
 193                 if (DB_TYPE == "pgsql") {
 194                         db_query( "DELETE FROM ttrss_counters_cache AS c1 WHERE
 195                                 (SELECT count(*) FROM ttrss_counters_cache AS c2
 196                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
 197                                         AND owner_uid = '$owner_uid'");
 198
 199                         db_query( "DELETE FROM ttrss_cat_counters_cache AS c1 WHERE
 200                                 (SELECT count(*) FROM ttrss_cat_counters_cache AS c2
 201                                         WHERE c1.feed_id = c2.feed_id AND c2.owner_uid = c1.owner_uid) > 1
 202                                         AND owner_uid = '$owner_uid'");
 203                 } else {
 204                         db_query( "DELETE c1 FROM
 205                                         ttrss_counters_cache AS c1,
 206                                         ttrss_counters_cache AS c2
 207                                 WHERE
 208                                         c1.owner_uid = '$owner_uid' AND
 209                                         c1.owner_uid = c2.owner_uid AND
 210                                         c1.feed_id = c2.feed_id");
 211
 212                         db_query( "DELETE c1 FROM
 213                                         ttrss_cat_counters_cache AS c1,
 214                                         ttrss_cat_counters_cache AS c2
 215                                 WHERE
 216                                         c1.owner_uid = '$owner_uid' AND
 217                                         c1.owner_uid = c2.owner_uid AND
 218                                         c1.feed_id = c2.feed_id");
 219
 220                 }
 221         } */
 222 ?>