Updated with frontend and added new features

pamela/lib/data.php

@@ -0,0 +1,70 @@
+<?php
+/*
+    Copyright 2010 Pieter Iserbyt
+
+    This file is part of Pamela.
+
+    Pamela is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Pamela is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Pamela.  If not, see <http://www.gnu.org/licenses/>.
+*/
+require_once("lib/db.php");
+
+function data_check_table() {
+  static $table_exists = FALSE;
+
+  // already checked? skip...
+  if ($table_exists == TRUE) {
+    return;
+  }
+
+  // get db handle
+  $db = get_db();
+
+  // already in db? skip and remember...
+  $q = $db->query("select name from sqlite_master where type='table' and name='data'"); 
+  if ($q->fetchArray()) {
+    $table_exists = TRUE;
+    return;
+  }
+
+  // create the table and remember...
+  $table_exists =  $db->exec("create table data (data text unique on conflict replace, committime integer)");
+}
+
+function data_get() {
+	$results = array();
+  data_check_table(); 
+	$db = get_db();
+	$q = $db->query("select data from data where committime > strftime('%s','now') - ".DATA_TTL);
+	if (!$q) return $results;
+	while($row = $q->fetchArray(SQLITE3_ASSOC)) {
+		$results[] = $row['data'];
+	}
+	return $results;
+}
+
+function data_add($data) {
+	$db = get_db();
+  data_check_table(); 
+	$data = $db->escapeString($data);
+  #echo "insert or replace into data values (\"$data\", strftime('%s','now'))\n";
+	$result = $db->exec("insert or replace into data values (\"$data\", strftime('%s','now'))");
+  if (!$result)
+    echo "ERROR: ".$db->lastErrorMsg()."\n";
+}
+
+function data_purge() {
+	$db = get_db();
+  data_check_table(); 
+	return $db->exec("delete from data where committime <= strftime('%s','now') - ".DATA_TTL);
+}