@ -3,6 +3,8 @@ class Af_Psql_Trgm extends Plugin {
/* @var PluginHost $host */
private $host;
private $default_similarity = 0.75;
private $default_min_length = 32;
function about() {
return array(1.0,
@ -37,7 +39,6 @@ class Af_Psql_Trgm extends Plugin {
$host->add_hook($host::HOOK_PREFS_EDIT_FEED, $this);
$host->add_hook($host::HOOK_PREFS_SAVE_FEED, $this);
$host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
}
function get_js() {
@ -124,7 +125,7 @@ class Af_Psql_Trgm extends Plugin {
if ($args != "prefFeeds") return;
print "< div dojoType = \"dijit.layout.AccordionPane\"
title=\"< i class = 'material-icons' > extension< / i > ".__('Mark similar articles as read')."\">";
title=\"< i class = 'material-icons' > extension< / i > ".__('Mark similar articles as read (af_psql_trgm) ')."\">";
if (DB_TYPE != "pgsql") {
print_error("Database type not supported.");
@ -132,17 +133,14 @@ class Af_Psql_Trgm extends Plugin {
$res = $this->pdo->query("select 'similarity'::regproc");
if (!$res->fetch()) {
if (!$res || !$res ->fetch()) {
print_error("pg_trgm extension not found.");
}
$similarity = $this->host->get($this, "similarity");
$min_title_length = $this->host->get($this, "min_title_length");
$similarity = $this->host->get($this, "similarity", $this->default_similarity );
$min_title_length = $this->host->get($this, "min_title_length", $this->default_min_length );
$enable_globally = $this->host->get($this, "enable_globally");
if (!$similarity) $similarity = '0.75';
if (!$min_title_length) $min_title_length = '32';
print "< form dojoType = \"dijit.form.Form\" > ";
print "< script type = \"dojo/method\" event = \"onSubmit\" args = \"evt\" >
@ -197,10 +195,10 @@ class Af_Psql_Trgm extends Plugin {
print_button("submit", __("Save"), "class='alt-primary'");
print "< / form > ";
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!array($enabled_feeds)) $enabled_feeds = array();
/* cleanup */
$enabled_feeds = $this->filter_unknown_feeds(
$this->get_stored_array("enabled_feeds"));
$enabled_feeds = $this->filter_unknown_feeds($enabled_feeds);
$this->host->set($this, "enabled_feeds", $enabled_feeds);
if (count($enabled_feeds) > 0) {
@ -221,14 +219,11 @@ class Af_Psql_Trgm extends Plugin {
}
function hook_prefs_edit_feed($feed_id) {
print "< header > ".__("Similarity (pg _trgm)")."< / header > ";
print "< header > ".__("Similarity (af_psql _trgm)")."< / header > ";
print "< section > ";
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!array($enabled_feeds)) $enabled_feeds = array();
$key = array_search($feed_id, $enabled_feeds);
$checked = $key !== false ? "checked" : "";
$enabled_feeds = $this->get_stored_array("enabled_feeds");
$checked = in_array($feed_id, $enabled_feeds) ? "checked" : "";
print "< fieldset > ";
@ -241,8 +236,7 @@ class Af_Psql_Trgm extends Plugin {
}
function hook_prefs_save_feed($feed_id) {
$enabled_feeds = $this->host->get($this, "enabled_feeds");
if (!is_array($enabled_feeds)) $enabled_feeds = array();
$enabled_feeds = $this->get_stored_array("enabled_feeds");
$enable = checkbox_to_sql_bool($_POST["trgm_similarity_enabled"]);
$key = array_search($feed_id, $enabled_feeds);
@ -265,29 +259,39 @@ class Af_Psql_Trgm extends Plugin {
if (DB_TYPE != "pgsql") return $article;
$res = $this->pdo->query("select 'similarity'::regproc");
if (!$res->fetch()) return $article;
if (!$res || !$res ->fetch()) return $article;
$enable_globally = $this->host->get($this, "enable_globally");
if (!$enable_globally) {
$enabled_feeds = $this->host->get($this, "enabled_feeds");
$key = array_search($article["feed"]["id"], $enabled_feeds);
if ($key === false) return $article;
if (!$enable_globally & &
!in_array($article["feed"]["id"],
$this->get_stored_array("enabled_feeds"))) {
return $article;
}
$similarity = (float) $this->host->get($this, "similarity");
if ($similarity < 0.01 ) return $ article ;
$similarity = (float) $this->host->get($this, "similarity", $this->default_similarity);
$min_title_length = (int) $this->host->get($this, "min_title_length");
if (mb_strlen($article["title"]) < $min_title_length) return $article;
if ($similarity < 0.01 ) {
Debug::log("af_psql_trgm: similarity is set too low ($similarity)", Debug::$LOG_EXTENDED);
return $article;
}
$min_title_length = (int) $this->host->get($this, "min_title_length", $this->default_min_length);
if (mb_strlen($article["title"]) < $min_title_length) {
Debug::log("af_psql_trgm: article title is too short (min: $min_title_length)", Debug::$LOG_EXTENDED);
return $article;
}
$owner_uid = $article["owner_uid"];
$entry_guid = $article["guid_hashed"];
$title_escaped = $article["title"];
// trgm does not return similarity=1 for completely equal strings
// this seems to be no longer the case (fixed in upstream?)
$sth = $this->pdo->prepare("SELECT COUNT(id) AS nequal
/* $sth = $this->pdo->prepare("SELECT COUNT(id) AS nequal
FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND
date_entered >= NOW() - interval '3 days' AND
title = ? AND
@ -303,7 +307,7 @@ class Af_Psql_Trgm extends Plugin {
if ($nequal != 0) {
$article["force_catchup"] = true;
return $article;
}
} */
$sth = $this->pdo->prepare("SELECT MAX(SIMILARITY(title, ?)) AS ms
FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND
@ -315,14 +319,15 @@ class Af_Psql_Trgm extends Plugin {
$row = $sth->fetch();
$similarity_result = $row['ms'];
Debug::log("af_psql_trgm: similarity result: $similarity_result", Debug::$LOG_EXTENDED);
Debug::log("af_psql_trgm: similarity result for $title_escaped : $similarity_result", Debug::$LOG_EXTENDED);
if ($similarity_result >= $similarity) {
Debug::log("af_psql_trgm: marking article as read ($similarity_result >= $similarity)", Debug::$LOG_EXTENDED);
$article["force_catchup"] = true;
}
return $article;
}
function api_version() {
@ -345,4 +350,13 @@ class Af_Psql_Trgm extends Plugin {
return $tmp;
}
private function get_stored_array($name) {
$tmp = $this->host->get($this, $name);
if (!is_array($tmp)) $tmp = [];
return $tmp;
}
}