<?php
/***************************************************************************
* InfoFrame (image generator for digital picture frames)
* Copyright (C) 2009 Tobias Kolb
*
* This program 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.
*
* This program 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 this program. If not, see [url]http://www.gnu.org/licenses/[/url]
***************************************************************************/
require_once 'Zend/Loader.php';
Zend_Loader::loadClass('Zend_Gdata');
Zend_Loader::loadClass('Zend_Gdata_AuthSub');
Zend_Loader::loadClass('Zend_Gdata_ClientLogin');
Zend_Loader::loadClass('Zend_Gdata_Calendar');
class CalendarPlugin implements IPlugin
{
private $dbconn = NULL;
private $config = NULL;
public function __construct($dbconn, $config) {
$this->dbconn = $dbconn;
$this->config = $config;
}
public function doUpdate() {
require_once 'google-api-php-client/autoload.php';
session_start();
$client_id = $this->config['client_id'];
$service_account_name = $this->config['account_name'];
try {
$client = new Google_Client();
$client->setApplicationName($this->config['project_name']);
$service = new Google_Service_Calendar($client);
}
catch (Exception $e) {
die ('Folgender Fehler trat auf: ' . $e->getMessage());
}
if (isset($_SESSION['service_token']))
$client->setAccessToken($_SESSION['service_token']);
$key = file_get_contents($this->config['key_file']);
$cred = new Google_Auth_AssertionCredentials(
$service_account_name,
array('https://www.googleapis.com/auth/calendar'),
$key);
$client->setAssertionCredentials($cred);
if ($client->getAuth()->isAccessTokenExpired())
$client->getAuth()->refreshTokenWithAssertion($cred);
$_SESSION['service_token'] = $client->getAccessToken();
//set startDate, endDate, eventParams
$now = new DateTime('NOW');
$clone = clone $now;
$clone = date_modify($clone, '+1 month');
$startDate = date_format($now, DateTime::W3C);
$endDate = date_format($clone, DateTime::W3C);
$eventParams = array(
'timeMin' => $startDate,
'timeMax' => $endDate,
'singleEvents' => 'true');
//get Calendar Id´s
$calendarList = $service->calendarList->listCalendarList();
// Set begin of querys
$insertToken = "REPLACE INTO if_system (name, value) VALUES ";
$insertCalendarData = "INSERT INTO if_calendar (color,begin,end,title,location) VALUES ";
$deleteCalendarData = "DELETE FROM if_calendar WHERE ";
/******************** Update every given time without checking for SyncToken ************************/
$forceRefresh = $this->config['force_refresh'];
$updateCalendar = FALSE;
$query = "SELECT * FROM if_system WHERE name = 'CalendarUpdate'";
$result = mysqli_query($this->dbconn, $query);
if (mysqli_num_rows($result) > 0) {
$row = mysqli_fetch_assoc($result);
if ( ($row['name'] == 'CalendarUpdate') && ((time() - $row['value']) >= ($forceRefresh*3600)) ) {
$updateCalendar = TRUE;
$query = "REPLACE INTO if_system (name,value) VALUES ('CalendarUpdate', '".time()."')";
mysqli_query($this->dbconn, $query) or die('CalendarPlugin: '.mysqli_error());
}
}else{
$updateCalendar = TRUE;
$query = "INSERT INTO if_system (name,value) VALUES ('CalendarUpdate', '".time()."')";
mysqli_query($this->dbconn, $query) or die('CalendarPlugin: '.mysqli_error());
}
/*********************************************************************************************************/
$i = 0;
while(TRUE) {
/***************** Loop through each Calendar, get id, and color **************************/
foreach ($calendarList->getItems() as $calendarListEntry) {
$calendarID = $calendarListEntry->getID();
$color = $calendarListEntry->getBackgroundColor();
/***************** Get SysncToken to skip this calender at next update if nothing has changed **********/
$events = $service->events->listEvents($calendarID, $eventParams);
//If the syncToken expires, the server will respond with a 410 GONE response code and the client should clear its storage and perform a full synchronization without any syncToken
try{
$NextSyncToken = $events->getNextSyncToken();
}
catch (Exception $e) {
if (strripos($e->getMessage(), "410") !== FALSE){
$NextSyncToken = 'FEHLER';
}else{
die ('Folgender Fehler trat auf: ' . $e->getMessage());
}
}
$SyncToken = '';
//echo $NextSyncToken.PHP_EOL;
if ($updateCalendar == FALSE) {
$query = "SELECT value FROM if_system WHERE name = '".$calendarID."'";
$result = mysqli_query($this->dbconn, $query);
if (mysqli_num_rows($result) > 0) {
$row = mysqli_fetch_assoc($result);
$SyncToken = $row['value'];
}
}
$insertToken .= "('".$calendarID."','".$NextSyncToken."'), ";
/***************** SysncToken check done *****************************************************/
/**************** if SyncToken changed perform update ******************************/
if ($NextSyncToken != $SyncToken) {
$i++;
$deleteCalendarData .= "color = '".$color."' OR ";
while(TRUE) {
/************************ Get content from each Calendar *****************/
foreach ($events->getItems() as $event) {
//print_r($event);
if (!empty($event['modelData']['start']['dateTime'])) {
$begin = date_format(date_create($event['modelData']['start']['dateTime']), 'Y-m-d H:i:s');
$end = date_format(date_create($event['modelData']['end']['dateTime']), 'Y-m-d H:i:s');
}else{
$begin = $event['modelData']['start']['date'];
$end = $event['modelData']['end']['date'];
}
$title = $event->getSummary();
$insertCalendarData .= "('".$color."','".$begin."','".$end."','".$title."',''), ";
}
$pageToken = $events->getNextPageToken();
if ($pageToken) {
$optParams = array('pageToken' => $pageToken);
$events = $service->events->listEvents($calendarListEntry->getID(), $optParams);
}else{
break;
}
}
} /********** if SysncToken changed perform update END **********/
} /*********** Loop through each Calendar, get id, and color END *************************/
$pageToken = $calendarList->getNextPageToken();
if ($pageToken) {
$optParams = array('pageToken' => $pageToken);
$calendarList = $service->calendarList->listCalendarList($optParams);
}else{
break;
}
}
/***************************** if SyncToken changed perform SQL-statement *********************/
if ( $i > 0 ) {
mysqli_query($this->dbconn, $this->before_last('OR', $deleteCalendarData)) or die('CalendarPlugin -> insertCalendarData: '.mysqli_error());
mysqli_query($this->dbconn, $this->before_last(',', $insertToken)) or die('CalendarPlugin -> insertToken: '.mysqli_error());
mysqli_query($this->dbconn, $this->before_last(',', $insertCalendarData)) or die('CalendarPlugin -> insertCalendarData: '.mysqli_error());
}
}
}
public function doOutput($image, $style, $updateData, &$yoffset) {
if ($updateData)
$this->doUpdate();
$query = "SELECT * FROM `if_calendar` WHERE (`end` > NOW()) ORDER BY `begin` ASC";
$result = mysql_query($query, $this->dbconn);
if (mysql_num_rows($result) > 0) {
// define styles
$opt_header = array(
'width' => imagesx($image)-290,
'line_height' => 18,
'align' => ALIGN_LEFT
);
$opt_day = array(
'width' => imagesx($image)-290,
'height' => 14,
'line_height' => 14,
'align' => ALIGN_LEFT
);
$opt_entry = array(
'width' => imagesx($image)-290,
'height' => 12,
'line_height' => 12,
'align' => ALIGN_LEFT,
'word_wrap_hyphen' => '...',
'aggressive_word_wrap' => true,
);
// print header
imagettftextboxopt($image, 18, 0, 50, $yoffset, $style['textcolor'], $style['font'], "Nächste Termine", $opt_header);
$icon = ImageCreateFromPNG ( 'resources/icons/clock.png' );
ImageCopy($image, $icon, 20, $yoffset-3, 0, 0, imagesx($icon), imagesy($icon));
ImageDestroy($icon);
$yoffset += 26;
// print calendar
$counter = 0;
$formatDate = "%d.%m.%Y";
$formatTime = "%H:%M";
$today = strftime( $formatDate );
$tomorrow = strftime( $formatDate, strtotime("+1 day", time() ) );
$currently_displayed_day = 0;
while ($row = mysql_fetch_assoc($result)) {
$counter++;
// if end of screen is reached and more than one items left -> cut off and show hint "x more appointments..."
$rest = (mysql_num_rows($result) - $counter) + 1;
if (($yoffset >= (imagesy($image) - 36)) && ($rest > 1)) {
$text = "... $rest weitere Termine";
imagettftextboxopt($image, 14, 0, 24, $yoffset, $style['textcolor'], $style['fontb'], $text, $opt_entry);
$yoffset += 20;
break;
}
// print day name
$begin_date = strftime( $formatDate, strtotime($row['begin']));
// if begin day is before today set begin to today
if (strtotime($begin_date) < strtotime($today))
$begin_date = $today;
// now if begin is after $currently_displayed_day update $currently_displayed_day
if (strtotime($begin_date) > $currently_displayed_day) {
// update currently_displayed_day
$currently_displayed_day = strtotime($begin_date);
// print day name
if( $begin_date == $today )
$dayname = "Heute";
else if( $begin_date == $tomorrow )
$dayname = "Morgen";
else
$dayname = strftime("%A, ".$formatDate, strtotime($begin_date));
imagettftextboxopt($image, 14, 0, 50, $yoffset+4, $style['textcolor'], $style['fontb'], $dayname, $opt_day);
$yoffset += 27;
}
// build appointment time text
$end_date = strftime( $formatDate, strtotime($row['end']));
$begin_time = strftime( $formatTime, strtotime($row['begin']));
$end_time = strftime( $formatTime, strtotime($row['end']));
$text = $row['title'];
//if ($row['location'] != null)
//$text = $text . ", " . $row['location'];
if (($begin_time == "00:00") && ($end_time == "00:00")) {
// all day event (substract 1 second to get the real end date at 23:59)
$end_date = strftime( $formatDate, strtotime($row['end'])-1);
// if all day event is longer than one day -> print end date
if (strtotime($end_date) != $currently_displayed_day)
$text = $text." (bis ".$end_date.")";
} else {
// normal event with start and end time
$text = $text." (".$begin_time." - ";
// if event ends not this day -> display end date additionally to time
if (strtotime($end_date) != $currently_displayed_day)
$text = $text.$end_date.", ";
$text = $text.$end_time.")";
}
// ------------------------------------------- M�llabfuhr----------------------------------------
if (($row['color']) == "#6B3304")
{
if (strpos($row['title'], 'Sperrmüll') !== false)
$icon = ImageCreateFromPNG ( 'resources/icons/tonne_blau.png' );
if (strpos($row['title'], 'Grüne Tonne') !== false)
$icon = ImageCreateFromPNG ( 'resources/icons/tonne_gruen.png' );
if (strpos($row['title'], 'Gelber Sack') !== false)
$icon = ImageCreateFromPNG ( 'resources/icons/gelber_sack.png' );
if (strpos($row['title'], 'Graue Tonne') !== false)
$icon = ImageCreateFromPNG ( 'resources/icons/tonne_schwarz.png' );
if (strpos($row['title'], 'Strauchgutabfuhr') !== false)
$icon = ImageCreateFromPNG ( 'resources/icons/strauch.png' );
ImageCopy($image, $icon, 23, $yoffset-6, 0, 0, imagesx($icon), imagesy($icon));
ImageDestroy($icon);
}
else{
// ------------------------------------------- Geburtstag ----------------------------------------
if (($row['color']) == "#AB8B00")
{ $icon = ImageCreateFromPNG ( 'resources/icons/birth.png' );
ImageCopy($image, $icon, 23, $yoffset+0, 0, 0, imagesx($icon), imagesy($icon));
ImageDestroy($icon);
}
else {
// ------------------------------------------- Standard - Button ----------------------------------------
// determine button color
$colorArray = htmlColorToRgb($row['color']);
$color = ImageColorAllocate ($image, $colorArray[0], $colorArray[1], $colorArray[2]);
// print appointment text and button
drawGlassButton($image, $color, 32, $yoffset+8);
}
}
imagettftextboxopt($image, 13, 0, 50, $yoffset, $style['textcolorgrau'], $style['fontb'], $text, $opt_entry);
$yoffset += 22;
}
$yoffset += 15;
}
mysql_free_result($result);
}
private function addCalendar($color, $begin, $end, $title, $location) {
$query = "INSERT INTO `if_calendar` (`id`, `color`, `begin`, `end`, `title`, `location`)
VALUES (NULL,
'".mysql_real_escape_string($color)."', FROM_UNIXTIME($begin), FROM_UNIXTIME($end),
'".mysql_real_escape_string($title)."',
'".mysql_real_escape_string($location)."'
)";
mysql_query($query, $this->dbconn) or die('Error, insert query failed: '.mysql_error());
}
}
