move label stuff to Labels class

fix some unresolved functions

1 files changed, 162 insertions, 0 deletions

diff --git a/classes/labels.php b/classes/labels.php
new file mode 100644
index 000000000..2ca623a32
--- /dev/null
+++ b/classes/labels.php
@@ -0,0 +1,162 @@
+<?php
+class Labels
+{
+	static function label_to_feed_id($label) {
+		return LABEL_BASE_INDEX - 1 - abs($label);
+	}
+
+	static function feed_to_label_id($feed) {
+		return LABEL_BASE_INDEX - 1 + abs($feed);
+	}
+
+	static function find_id($label, $owner_uid) {
+		$result = db_query(
+			"SELECT id FROM ttrss_labels2 WHERE caption = '$label'
+				AND owner_uid = '$owner_uid' LIMIT 1");
+
+		if (db_num_rows($result) == 1) {
+			return db_fetch_result($result, 0, "id");
+		} else {
+			return 0;
+		}
+	}
+
+	static function find_caption($label, $owner_uid) {
+		$result = db_query(
+			"SELECT caption FROM ttrss_labels2 WHERE id = '$label'
+				AND owner_uid = '$owner_uid' LIMIT 1");
+
+		if (db_num_rows($result) == 1) {
+			return db_fetch_result($result, 0, "caption");
+		} else {
+			return "";
+		}
+	}
+
+	static function get_all_labels($owner_uid)	{
+		$rv = array();
+
+		$result = db_query("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 $rv;
+	}
+
+	static function update_cache($owner_uid, $id, $labels = false, $force = false) {
+
+		if ($force)
+			Labels::clear_cache($id);
+
+		if (!$labels)
+			$labels = Article::get_article_labels($id);
+
+		$labels = db_escape_string(json_encode($labels));
+
+		db_query("UPDATE ttrss_user_entries SET
+			label_cache = '$labels' WHERE ref_id = '$id' AND  owner_uid = '$owner_uid'");
+
+	}
+
+	static function clear_cache($id)	{
+
+		db_query("UPDATE ttrss_user_entries SET
+			label_cache = '' WHERE ref_id = '$id'");
+
+	}
+
+	static function remove_article($id, $label, $owner_uid) {
+
+		$label_id = Labels::find_id($label, $owner_uid);
+
+		if (!$label_id) return;
+
+		db_query(
+			"DELETE FROM ttrss_user_labels2
+			WHERE
+				label_id = '$label_id' AND
+				article_id = '$id'");
+
+		Labels::clear_cache($id);
+	}
+
+	static function add_article($id, $label, $owner_uid)	{
+
+		$label_id = Labels::find_id($label, $owner_uid);
+
+		if (!$label_id) return;
+
+		$result = db_query(
+			"SELECT
+				article_id FROM ttrss_labels2, ttrss_user_labels2
+			WHERE
+				label_id = id AND
+				label_id = '$label_id' AND
+				article_id = '$id' AND owner_uid = '$owner_uid'
+			LIMIT 1");
+
+		if (db_num_rows($result) == 0) {
+			db_query("INSERT INTO ttrss_user_labels2
+				(label_id, article_id) VALUES ('$label_id', '$id')");
+		}
+
+		Labels::clear_cache($id);
+
+	}
+
+	static function remove($id, $owner_uid) {
+		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+
+		db_query("BEGIN");
+
+		$result = db_query("SELECT caption FROM ttrss_labels2
+			WHERE id = '$id'");
+
+		$caption = db_fetch_result($result, 0, "caption");
+
+		$result = db_query("DELETE FROM ttrss_labels2 WHERE id = '$id'
+			AND owner_uid = " . $owner_uid);
+
+		if (db_affected_rows($result) != 0 && $caption) {
+
+			/* Remove access key for the label */
+
+			$ext_id = LABEL_BASE_INDEX - 1 - $id;
+
+			db_query("DELETE FROM ttrss_access_keys WHERE
+				feed_id = '$ext_id' AND owner_uid = $owner_uid");
+
+			/* Remove cached data */
+
+			db_query("UPDATE ttrss_user_entries SET label_cache = ''
+				WHERE label_cache LIKE '%$caption%' AND owner_uid = " . $owner_uid);
+
+		}
+
+		db_query("COMMIT");
+	}
+
+	static function create($caption, $fg_color = '', $bg_color = '', $owner_uid = false)	{
+
+		if (!$owner_uid) $owner_uid = $_SESSION['uid'];
+
+		db_query("BEGIN");
+
+		$result = db_query("SELECT id FROM ttrss_labels2
+			WHERE caption = '$caption' AND owner_uid = $owner_uid");
+
+		if (db_num_rows($result) == 0) {
+			$result = db_query(
+				"INSERT INTO ttrss_labels2 (caption,owner_uid,fg_color,bg_color)
+					VALUES ('$caption', '$owner_uid', '$fg_color', '$bg_color')");
+
+			$result = db_affected_rows($result) != 0;
+		}
+
+		db_query("COMMIT");
+
+		return $result;
+	}
+}
\ No newline at end of file