split some more functions from functions.php

[tt-rss.git] / include / labels.php

diff --git a/include/labels.php b/include/labels.php
new file mode 100644 (file)
index 0000000..da7e3f9
--- /dev/null
+++ b/include/labels.php
@@ -0,0 +1,207 @@
+<?php
+       function label_find_id($link, $label, $owner_uid) {
+               $result = db_query($link,
+                       "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
+                               AND owner_uid = '$owner_uid' LIMIT 1");
+
+               if (db_num_rows($result) == 1) {
+                       return db_fetch_result($result, 0, "id");
+               } else {
+                       return 0;
+               }
+       }
+
+       function get_article_labels($link, $id, $owner_uid = false) {
+               $rv = array();
+
+               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+
+               $result = db_query($link, "SELECT label_cache FROM
+                       ttrss_user_entries WHERE ref_id = '$id' AND owner_uid = " .
+                       $owner_uid);
+
+               if (db_num_rows($result) > 0) {
+                       $label_cache = db_fetch_result($result, 0, "label_cache");
+
+                       if ($label_cache) {
+                               $label_cache = json_decode($label_cache, true);
+
+                               if ($label_cache["no-labels"] == 1)
+                                       return $rv;
+                               else
+                                       return $label_cache;
+                       }
+               }
+
+               $result = db_query($link,
+                       "SELECT DISTINCT label_id,caption,fg_color,bg_color
+                               FROM ttrss_labels2, ttrss_user_labels2
+                       WHERE id = label_id
+                               AND article_id = '$id'
+                               AND owner_uid = ". $owner_uid . "
+                       ORDER BY caption");
+
+               while ($line = db_fetch_assoc($result)) {
+                       $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
+                               $line["bg_color"]);
+                       array_push($rv, $rk);
+               }
+
+               if (count($rv) > 0)
+                       label_update_cache($link, $owner_uid, $id, $rv);
+               else
+                       label_update_cache($link, $owner_uid, $id, array("no-labels" => 1));
+
+               return $rv;
+       }
+
+
+       function label_find_caption($link, $label, $owner_uid) {
+               $result = db_query($link,
+                       "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
+                               AND owner_uid = '$owner_uid' LIMIT 1");
+
+               if (db_num_rows($result) == 1) {
+                       return db_fetch_result($result, 0, "caption");
+               } else {
+                       return "";
+               }
+       }
+
+       function get_all_labels($link, $owner_uid) {
+               $rv = array();
+
+               $result = db_query($link, "SELECT fg_color, bg_color, caption FROM ttrss_labels2 WHERE owner_uid = " . $owner_uid);
+
+               while ($line = db_fetch_assoc($result)) {
+                       array_push($rv, $line);
+               }
+
+               return $rv;
+       }
+
+       function label_update_cache($link, $owner_uid, $id, $labels = false, $force = false) {
+
+               if ($force)
+                       label_clear_cache($link, $id);
+
+               if (!$labels)
+                       $labels = get_article_labels($link, $id);
+
+               $labels = db_escape_string(json_encode($labels));
+
+               db_query($link, "UPDATE ttrss_user_entries SET
+                       label_cache = '$labels' WHERE ref_id = '$id' AND  owner_uid = '$owner_uid'");
+
+       }
+
+       function label_clear_cache($link, $id) {
+
+               db_query($link, "UPDATE ttrss_user_entries SET
+                       label_cache = '' WHERE ref_id = '$id'");
+
+       }
+
+       function label_remove_article($link, $id, $label, $owner_uid) {
+
+               $label_id = label_find_id($link, $label, $owner_uid);
+
+               if (!$label_id) return;
+
+               $result = db_query($link,
+                       "DELETE FROM ttrss_user_labels2
+                       WHERE
+                               label_id = '$label_id' AND
+                               article_id = '$id'");
+
+               label_clear_cache($link, $id);
+       }
+
+       function label_add_article($link, $id, $label, $owner_uid) {
+
+               $label_id = label_find_id($link, $label, $owner_uid);
+
+               if (!$label_id) return;
+
+               $result = db_query($link,
+                       "SELECT
+                               article_id FROM ttrss_labels2, ttrss_user_labels2
+                       WHERE
+                               label_id = id AND
+                               label_id = '$label_id' AND
+                               article_id = '$id' AND owner_uid = '$owner_uid'
+                       LIMIT 1");
+
+               if (db_num_rows($result) == 0) {
+                       db_query($link, "INSERT INTO ttrss_user_labels2
+                               (label_id, article_id) VALUES ('$label_id', '$id')");
+               }
+
+               label_clear_cache($link, $id);
+
+       }
+
+       function label_remove($link, $id, $owner_uid) {
+               if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+
+               db_query($link, "BEGIN");
+
+               $result = db_query($link, "SELECT caption FROM ttrss_labels2
+                       WHERE id = '$id'");
+
+               $caption = db_fetch_result($result, 0, "caption");
+
+               $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
+                       AND owner_uid = " . $owner_uid);
+
+               if (db_affected_rows($link, $result) != 0 && $caption) {
+
+                       /* Remove access key for the label */
+
+                       $ext_id = -11 - $id;
+
+                       db_query($link, "DELETE FROM ttrss_access_keys WHERE
+                               feed_id = '$ext_id' AND owner_uid = $owner_uid");
+
+                       /* Disable filters that reference label being removed */
+
+                       db_query($link, "UPDATE ttrss_filters SET
+                               enabled = false WHERE action_param = '$caption'
+                                       AND action_id = 7
+                                       AND owner_uid = " . $owner_uid);
+
+                       /* Remove cached data */
+
+                       db_query($link, "UPDATE ttrss_user_entries SET label_cache = ''
+                               WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
+
+               }
+
+               db_query($link, "COMMIT");
+       }
+
+       function label_create($link, $caption, $fg_color = '', $bg_color = '', $owner_uid) {
+
+               if (!$owner_uid) $owner_uid = $_SESSION['uid'];
+
+               db_query($link, "BEGIN");
+
+               $result = false;
+
+               $result = db_query($link, "SELECT id FROM ttrss_labels2
+                       WHERE caption = '$caption' AND owner_uid = $owner_uid");
+
+               if (db_num_rows($result) == 0) {
+                       $result = db_query($link,
+                               "INSERT INTO ttrss_labels2 (caption,owner_uid,fg_color,bg_color)
+                                       VALUES ('$caption', '$owner_uid', '$fg_color', '$bg_color')");
+
+                       $result = db_affected_rows($link, $result) != 0;
+               }
+
+               db_query($link, "COMMIT");
+
+               return $result;
+       }
+
+?>