host = $host;
$this->dbh = Db::get();
$this->init_database();
$host->add_hook($host::HOOK_ARTICLE_FILTER, $this);
$host->add_hook($host::HOOK_PREFS_TAB, $this);
$host->add_hook($host::HOOK_ARTICLE_BUTTON, $this);
}
function trainArticle() {
$article_id = (int) $_REQUEST["article_id"];
$train_up = sql_bool_to_bool($_REQUEST["train_up"]);
//$category = $train_up ? "GOOD" : "UGLY";
$dst_category = "UGLY";
$nbs = new NaiveBayesianStorage($_SESSION["uid"]);
$nb = new NaiveBayesian($nbs);
$result = $this->dbh->query("SELECT score, guid, title, content FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND id = " .
$article_id . " AND owner_uid = " . $_SESSION["uid"]);
if ($this->dbh->num_rows($result) != 0) {
$guid = $this->dbh->fetch_result($result, 0, "guid");
$title = $this->dbh->fetch_result($result, 0, "title");
$content = mb_strtolower($title . " " . strip_tags($this->dbh->fetch_result($result, 0, "content")));
$score = $this->dbh->fetch_result($result, 0, "score");
$this->dbh->query("BEGIN");
$ref = $nbs->getReference($guid, false);
if (isset($ref['category_id'])) {
$current_category = $nbs->getCategoryById($ref['category_id']);
} else {
$current_category = "UGLY";
}
// set score to fixed value for now
if ($train_up) {
switch ($current_category) {
case "UGLY":
$dst_category = "GOOD";
$score = $this->score_modifier;
break;
case "BAD":
$dst_category = "UGLY";
$score = 0;
break;
case "GOOD":
$dst_category = "GOOD";
break;
}
} else {
switch ($current_category) {
case "UGLY":
$dst_category = "BAD";
$score = -$this->score_modifier;
break;
case "BAD":
$dst_category = "BAD";
break;
case "GOOD":
$dst_category = "UGLY";
$score = -$this->score_modifier;
break;
}
}
$nb->untrain($guid, $content);
$nb->train($guid, $nbs->getCategoryByName($dst_category), $content);
$this->dbh->query("UPDATE ttrss_user_entries SET score = '$score' WHERE ref_id = $article_id AND owner_uid = " . $_SESSION["uid"]);
$nb->updateProbabilities();
$this->dbh->query("COMMIT");
}
print "$article_id :: $dst_category :: $score";
}
function get_js() {
return file_get_contents(__DIR__ . "/init.js");
}
function get_prefs_js() {
return file_get_contents(__DIR__ . "/init.js");
}
function hook_article_button($line) {
return "" .
"";
}
function init_database() {
$prefix = $this->sql_prefix;
// TODO there probably should be a way for plugins to determine their schema version to upgrade tables
/*$this->dbh->query("DROP TABLE IF EXISTS ${prefix}_wordfreqs", false);
$this->dbh->query("DROP TABLE IF EXISTS ${prefix}_references", false);
$this->dbh->query("DROP TABLE IF EXISTS ${prefix}_categories", false);*/
$this->dbh->query("BEGIN");
// PG only for the time being
if (DB_TYPE == "mysql") {
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_categories (
id INTEGER NOT NULL PRIMARY KEY auto_increment,
category varchar(100) NOT NULL DEFAULT '',
probability DOUBLE NOT NULL DEFAULT '0',
owner_uid INTEGER NOT NULL,
FOREIGN KEY (owner_uid) REFERENCES ttrss_users(id) ON DELETE CASCADE,
word_count BIGINT NOT NULL DEFAULT '0') ENGINE=InnoDB");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_references (
id INTEGER NOT NULL PRIMARY KEY auto_increment,
document_id VARCHAR(255) NOT NULL,
category_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL,
FOREIGN KEY (owner_uid) REFERENCES ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_wordfreqs (
word varchar(100) NOT NULL DEFAULT '',
category_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL,
FOREIGN KEY (owner_uid) REFERENCES ttrss_users(id) ON DELETE CASCADE,
count BIGINT NOT NULL DEFAULT '0') ENGINE=InnoDB");
} else {
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_categories (
id SERIAL NOT NULL PRIMARY KEY,
category varchar(100) NOT NULL DEFAULT '',
probability DOUBLE PRECISION NOT NULL DEFAULT '0',
owner_uid INTEGER NOT NULL REFERENCES ttrss_users(id) ON DELETE CASCADE,
word_count BIGINT NOT NULL DEFAULT '0')");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_references (
id SERIAL NOT NULL PRIMARY KEY,
document_id VARCHAR(255) NOT NULL,
category_id INTEGER NOT NULL REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL REFERENCES ttrss_users(id) ON DELETE CASCADE)");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_wordfreqs (
word varchar(100) NOT NULL DEFAULT '',
category_id INTEGER NOT NULL REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL REFERENCES ttrss_users(id) ON DELETE CASCADE,
count BIGINT NOT NULL DEFAULT '0')");
}
$owner_uid = @$_SESSION["uid"];
if ($owner_uid) {
$result = $this->dbh->query("SELECT id FROM ${prefix}_categories WHERE owner_uid = $owner_uid LIMIT 1");
if ($this->dbh->num_rows($result) == 0) {
$this->dbh->query("INSERT INTO ${prefix}_categories (category, owner_uid) VALUES ('GOOD', $owner_uid)");
$this->dbh->query("INSERT INTO ${prefix}_categories (category, owner_uid) VALUES ('BAD', $owner_uid)");
$this->dbh->query("INSERT INTO ${prefix}_categories (category, owner_uid) VALUES ('UGLY', $owner_uid)");
}
}
$this->dbh->query("COMMIT");
}
function renderPrefsUI() {
$result = $this->dbh->query("SELECT category, probability, word_count,
(SELECT COUNT(id) FROM {$this->sql_prefix}_references WHERE
category_id = {$this->sql_prefix}_categories.id) as doc_count
FROM {$this->sql_prefix}_categories WHERE owner_uid = " . $_SESSION["uid"]);
print "
" . __("Statistics") . "
";
print "
";
print "
Category
Probability
Words
Articles
";
while ($line = $this->dbh->fetch_assoc($result)) {
print "
";
foreach ($line as $k => $v) {
if ($k == "probability") $v = sprintf("%.3f", $v);
print "
$v
";
}
print "
";
}
print "
";
print "
" . __("Last matched articles") . "
";
$result = $this->dbh->query("SELECT te.title, category, tf.title AS feed_title
FROM ttrss_entries AS te, ttrss_user_entries AS tu, ttrss_feeds AS tf, {$this->sql_prefix}_references AS tr, {$this->sql_prefix}_categories AS tc
WHERE tf.id = tu.feed_id AND tu.ref_id = te.id AND tc.id = tr.category_id AND tr.document_id = te.guid ORDER BY te.id DESC LIMIT 20");
print "
";
while ($line = $this->dbh->fetch_assoc($result)) {
print "
![](\"plugins/af_sort_bayes/thumb_up.png\" "\".__(")
" .
"![](\"plugins/af_sort_bayes/thumb_down.png\" "\".__(")
";
}
function init_database() {
$prefix = $this->sql_prefix;
// TODO there probably should be a way for plugins to determine their schema version to upgrade tables
/*$this->dbh->query("DROP TABLE IF EXISTS ${prefix}_wordfreqs", false);
$this->dbh->query("DROP TABLE IF EXISTS ${prefix}_references", false);
$this->dbh->query("DROP TABLE IF EXISTS ${prefix}_categories", false);*/
$this->dbh->query("BEGIN");
// PG only for the time being
if (DB_TYPE == "mysql") {
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_categories (
id INTEGER NOT NULL PRIMARY KEY auto_increment,
category varchar(100) NOT NULL DEFAULT '',
probability DOUBLE NOT NULL DEFAULT '0',
owner_uid INTEGER NOT NULL,
FOREIGN KEY (owner_uid) REFERENCES ttrss_users(id) ON DELETE CASCADE,
word_count BIGINT NOT NULL DEFAULT '0') ENGINE=InnoDB");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_references (
id INTEGER NOT NULL PRIMARY KEY auto_increment,
document_id VARCHAR(255) NOT NULL,
category_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL,
FOREIGN KEY (owner_uid) REFERENCES ttrss_users(id) ON DELETE CASCADE) ENGINE=InnoDB");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_wordfreqs (
word varchar(100) NOT NULL DEFAULT '',
category_id INTEGER NOT NULL,
FOREIGN KEY (category_id) REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL,
FOREIGN KEY (owner_uid) REFERENCES ttrss_users(id) ON DELETE CASCADE,
count BIGINT NOT NULL DEFAULT '0') ENGINE=InnoDB");
} else {
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_categories (
id SERIAL NOT NULL PRIMARY KEY,
category varchar(100) NOT NULL DEFAULT '',
probability DOUBLE PRECISION NOT NULL DEFAULT '0',
owner_uid INTEGER NOT NULL REFERENCES ttrss_users(id) ON DELETE CASCADE,
word_count BIGINT NOT NULL DEFAULT '0')");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_references (
id SERIAL NOT NULL PRIMARY KEY,
document_id VARCHAR(255) NOT NULL,
category_id INTEGER NOT NULL REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL REFERENCES ttrss_users(id) ON DELETE CASCADE)");
$this->dbh->query("CREATE TABLE IF NOT EXISTS ${prefix}_wordfreqs (
word varchar(100) NOT NULL DEFAULT '',
category_id INTEGER NOT NULL REFERENCES ${prefix}_categories(id) ON DELETE CASCADE,
owner_uid INTEGER NOT NULL REFERENCES ttrss_users(id) ON DELETE CASCADE,
count BIGINT NOT NULL DEFAULT '0')");
}
$owner_uid = @$_SESSION["uid"];
if ($owner_uid) {
$result = $this->dbh->query("SELECT id FROM ${prefix}_categories WHERE owner_uid = $owner_uid LIMIT 1");
if ($this->dbh->num_rows($result) == 0) {
$this->dbh->query("INSERT INTO ${prefix}_categories (category, owner_uid) VALUES ('GOOD', $owner_uid)");
$this->dbh->query("INSERT INTO ${prefix}_categories (category, owner_uid) VALUES ('BAD', $owner_uid)");
$this->dbh->query("INSERT INTO ${prefix}_categories (category, owner_uid) VALUES ('UGLY', $owner_uid)");
}
}
$this->dbh->query("COMMIT");
}
function renderPrefsUI() {
$result = $this->dbh->query("SELECT category, probability, word_count,
(SELECT COUNT(id) FROM {$this->sql_prefix}_references WHERE
category_id = {$this->sql_prefix}_categories.id) as doc_count
FROM {$this->sql_prefix}_categories WHERE owner_uid = " . $_SESSION["uid"]);
print "