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egroupware/calendar/csv_import.php

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<?php
/**
* Calendar - CSV import
*
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @package calendar
* @copyright (c) 2003-9 by Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
$GLOBALS['egw_info'] = array(
'flags' => array(
'currentapp' => 'calendar',
'noheader' => True
),
);
include('../header.inc.php');
$is_admin = isset($GLOBALS['egw_info']['user']['apps']['admin']) && $GLOBALS['egw_info']['user']['apps']['admin'];
if (isset($_FILES['csvfile']['tmp_name']))
{
$csvfile = tempnam($GLOBALS['egw_info']['server']['temp_dir'],$GLOBALS['egw_info']['flags']['currentapp']."_");
$GLOBALS['egw']->session->appsession('csvfile','',$csvfile);
$_POST['action'] = move_uploaded_file($_FILES['csvfile']['tmp_name'],$csvfile) ?
'download' : '';
}
else
{
$csvfile = $GLOBALS['egw']->session->appsession('csvfile');
}
if ($_POST['cancel'])
{
@unlink($csvfile);
$GLOBALS['egw']->redirect_link('/calendar/index.php');
}
if (isset($_POST['charset']))
{
// we have to set the local, to fix eg. utf-8 imports, as fgetcsv requires it!
common::setlocale(LC_CTYPE,$_POST['charset']);
}
$GLOBALS['egw_info']['flags']['app_header'] = $GLOBALS['egw_info']['apps']['calendar']['title'].' - '.lang('Import CSV-File');
$cal = new calendar_boupdate(true);
$GLOBALS['egw']->common->egw_header();
$template = CreateObject('phpgwapi.Template',common::get_tpl_dir('calendar'));
$template->set_file(array('import_t' => 'csv_import.tpl'));
$template->set_block('import_t','filename','filenamehandle');
$template->set_block('import_t','fheader','fheaderhandle');
$template->set_block('import_t','fields','fieldshandle');
$template->set_block('import_t','ffooter','ffooterhandle');
$template->set_block('import_t','imported','importedhandle');
$template->set_block('import_t','import','importhandle');
if(($_POST['action'] == 'download' || $_POST['action'] == 'continue') && (!$_POST['fieldsep'] || !$csvfile || !($fp=fopen($csvfile,'rb'))))
{
$_POST['action'] = '';
}
$template->set_var("action_url",$GLOBALS['egw']->link("/calendar/csv_import.php"));
$PSep = '||'; // Pattern-Separator, separats the pattern-replacement-pairs in trans
$ASep = '|>'; // Assignment-Separator, separats pattern and replacesment
$VPre = '|#'; // Value-Prefix, is expanded to \ for ereg_replace
$CPre = '|['; $CPreReg = '\|\['; // |{csv-fieldname} is expanded to the value of the csv-field
$CPos = ']'; $CPosReg = '\]'; // if used together with @ (replacement is eval-ed) value gets autom. quoted
function addr_id( $n_family,$n_given=null,$org_name=null )
{ // find in Addressbook, at least n_family AND (n_given OR org_name) have to match
static $contacts;
if (!is_object($contacts))
{
$contacts =& CreateObject('phpgwapi.contacts');
}
if (!is_null($org_name)) // org_name given?
{
$addrs = $contacts->read( 0,0,array('id'),'',"n_family=$n_family,n_given=$n_given,org_name=$org_name" );
if (!count($addrs))
{
$addrs = $contacts->read( 0,0,array('id'),'',"n_family=$n_family,org_name=$org_name",'','n_family,org_name');
}
}
if (!is_null($n_given) && (is_null($org_name) || !count($addrs))) // first name given and no result so far
{
$addrs = $contacts->read( 0,0,array('id'),'',"n_family=$n_family,n_given=$n_given",'','n_family,n_given' );
}
if (is_null($n_given) && is_null($org_name)) // just one name given, check against fn (= full name)
{
$addrs = $contacts->read( 0,0,array('id'),'',"n_fn=$n_family",'','n_fn' );
}
if (count($addrs))
{
return $addrs[0]['id'];
}
return False;
}
$cat2id = array( );
function cat_id($cats)
{
if (!$cats)
{
return '';
}
foreach(preg_split('/[,;]/',$cats) as $cat)
{
if (isset($cat2id[$cat]))
{
$ids[$cat] = $cat2id[$cat]; // cat is in cache
}
else
{
if (is_numeric($cat) && $GLOBALS['egw']->categories->id2name($cat) != '--')
{
$cat2id[$cat] = $ids[$cat] = $cat;
}
elseif ($id = $GLOBALS['egw']->categories->name2id( addslashes($cat) ))
{ // cat exists
$cat2id[$cat] = $ids[$cat] = $id;
}
else
{ // create new cat
$GLOBALS['egw']->categories->add( array('name' => $cat,'descr' => $cat ));
$cat2id[$cat] = $ids[$cat] = $GLOBALS['egw']->categories->name2id( addslashes($cat) );
}
}
}
return implode( ',',$ids );
}
if ($_POST['next']) $_POST['action'] = 'next';
switch ($_POST['action'])
{
case '': // Start, ask Filename
$template->set_var('lang_csvfile',lang('CSV-Filename'));
$template->set_var('lang_fieldsep',lang('Fieldseparator'));
$template->set_var('lang_charset',lang('Charset of file'));
$template->set_var('lang_help',lang('Please note: You can configure the field assignments AFTER you uploaded the file.'));
$template->set_var('select_charset',
html::select('charset','',translation::get_installed_charsets(),True));
$template->set_var('fieldsep',$_POST['fieldsep'] ? $_POST['fieldsep'] : ';');
$template->set_var('submit',lang('Import'));
$template->set_var('enctype','ENCTYPE="multipart/form-data"');
$template->parse('rows','filename');
break;
case 'continue':
case 'download':
$GLOBALS['egw']->preferences->read_repository();
$defaults = $GLOBALS['egw_info']['user']['preferences']['calendar']['cvs_import'];
if (!is_array($defaults))
{
$defaults = array();
}
$template->set_var('lang_csv_fieldname',lang('CSV-Fieldname'));
$template->set_var('lang_info_fieldname',lang('calendar-Fieldname'));
$template->set_var('lang_translation',lang("Translation").' <a href="#help">'.lang('help').'</a>');
$template->set_var('submit',
html::submit_button('convert','Import') . '&nbsp;'.
html::submit_button('cancel','Cancel'));
$template->set_var('lang_debug',lang('Test Import (show importable records <u>only</u> in browser)'));
$template->parse('rows','fheader');
$cal_names = array(
'title' => 'Title varchar(80)',
'description' => 'Description text',
'location' => 'Location varchar(255)',
'start' => 'Start Date: Timestamp or eg. YYYY-MM-DD hh:mm',
'end' => 'End Date: Timestamp or eg. YYYY-MM-DD hh:mm',
'participants' => 'Participants: comma separated user-id\'s or -names',
'category' => 'Categories: id\'s or names, comma separated (new ones got created)',
'priority' => 'Priority: 1=Low, 2=Normal, 3=High',
'public' => 'Access: 1=public, 0=private',
'owner' => 'Owner: int(11) user-id/-name',
'modified' => 'Modification date',
'modifier' => 'Modification user',
'non_blocking' => '0=Event blocks time, 1=Event creates no conflicts',
'uid' => 'Unique Id, allows multiple import to update identical entries',
// 'recur_type'=> 'Type of recuring event',
'addr_id' => 'Link to Addressbook, use nlast,nfirst[,org] or contact_id from addressbook',
'link_1' => '1. link: appname:appid the entry should be linked to, eg.: addressbook:123',
'link_2' => '2. link: appname:appid the entry should be linked to, eg.: addressbook:123',
'link_3' => '3. link: appname:appid the entry should be linked to, eg.: addressbook:123',
);
$custom_fields = config::get_customfields('calendar');
//echo "custom-fields=<pre>".print_r($custom_fields,True)."</pre>";
foreach ($custom_fields as $name => $data)
{
$cal_names['#'.$name] = $data['label'].': Custom field ('.$data['type'].')';
}
// the next line is used in the help-text too
$mktime_lotus = "${PSep}0?([0-9]+)[ .:-]+0?([0-9]*)[ .:-]+0?([0-9]*)[ .:-]+0?([0-9]*)[ .:-]+0?([0-9]*)[ .:-]+0?([0-9]*).*$ASep@mktime(${VPre}4,${VPre}5,${VPre}6,${VPre}2,${VPre}3,${VPre}1)";
$cal_name_options = "<option value=\"\">none\n";
foreach($cal_names as $field => $name)
{
$cal_name_options .= "<option value=\"$field\">".$GLOBALS['egw']->strip_html($name)."\n";
}
$csv_fields = fgetcsv($fp,8000,$_POST['fieldsep']);
$csv_fields = translation::convert($csv_fields,$_POST['charset']);
$csv_fields[] = 'no CSV 1'; // eg. for static assignments
$csv_fields[] = 'no CSV 2';
$csv_fields[] = 'no CSV 3';
foreach($csv_fields as $csv_idx => $csv_field)
{
$template->set_var('csv_field',$csv_field);
$template->set_var('csv_idx',$csv_idx);
if ($def = $defaults[$csv_field])
{
list( $info,$trans ) = explode($PSep,$def,2);
$template->set_var('trans',$trans);
$template->set_var('cal_fields',str_replace('="'.$info.'">','="'.$info.'" selected>',$cal_name_options));
}
else
{
$template->set_var('trans','');
$template->set_var('cal_fields',$cal_name_options);
}
$template->parse('rows','fields',True);
}
$template->set_var('lang_start',lang('Startrecord'));
$template->set_var('start',get_var('start',array('POST'),1));
$msg = ($safe_mode = ini_get('safe_mode') == 'On') ? lang('to many might exceed your execution-time-limit'):
lang('empty for all');
$template->set_var('lang_max',lang('Number of records to read (%1)',$msg));
$template->set_var('max',get_var('max',array('POST'),$safe_mode ? 200 : ''));
$template->set_var('debug',get_var('debug',array('POST'),True)?' checked':'');
$template->parse('rows','ffooter',True);
fclose($fp);
$hiddenvars = html::input_hidden(array(
'action' => 'import',
'fieldsep'=> $_POST['fieldsep'],
'charset' => $_POST['charset']
));
$help_on_trans = "<a name=\"help\"></a><b>How to use Translation's</b><p>".
"Translations enable you to change / adapt the content of each CSV field for your needs. <br>".
"General syntax is: <b>pattern1 ${ASep} replacement1 ${PSep} ... ${PSep} patternN ${ASep} replacementN</b><br>".
"If the pattern-part of a pair is ommited it will match everything ('^.*$'), which is only ".
"usefull for the last pair, as they are worked from left to right.<p>".
"First example: <b>1${ASep}private${PSep}public</b><br>".
"This will translate a '1' in the CVS field to 'privat' and everything else to 'public'.<p>".
"Patterns as well as the replacement can be regular expressions (the replacement is done via ereg_replace). ".
"If, after all replacements, the value starts with an '@' AND you have admin rights the whole value is eval()'ed, so you ".
"may use php, eGroupWare or your own functions. This is quiet powerfull, but <u>circumvents all ACL</u>.<p>".
"Example using regular expressions and '@'-eval(): <br><b>$mktime_lotus</b><br>".
"It will read a date of the form '2001-05-20 08:00:00.00000000000000000' (and many more, see the regular expr.). ".
"The&nbsp;[&nbsp;.:-]-separated fields are read and assigned in different order to @mktime(). Please note to use ".
"${VPre} insted of a backslash (I couldn't get backslash through all the involved templates and forms.) ".
"plus the field-number of the pattern.<p>".
"In addintion to the fields assign by the pattern of the reg.exp. you can use all other CSV-fields, with the ".
"syntax <b>${CPre}CVS-FIELDNAME$CPos</b>. Here is an example: <br>".
"<b>.+$ASep${CPre}Company$CPos: ${CPre}NFamily$CPos, ${CPre}NGiven$CPos$PSep${CPre}NFamily$CPos, ${CPre}NGiven$CPos</b><br>".
"It is used on the CVS-field 'Company' and constructs a something like <i>Company: FamilyName, GivenName</i> or ".
"<i>FamilyName, GivenName</i> if 'Company' is empty.<p>".
"You can use the 'No CVS #'-fields to assign cvs-values to more than on field, the following example uses the ".
"cvs-field 'Note' (which gots already assingned to the description) and construct a short subject: ".
"<b>@substr(${CPre}Note$CPos,0,60).' ...'</b><p>".
"Their is two important user-function for the calendar:<br>".
"<b>@addr_id(${CPre}NFamily$CPos,${CPre}NGiven$CPos,${CPre}Company$CPos)</b> ".
"searches the addressbook for an address and returns the id if it founds an exact match of at least ".
"<i>NFamily</i> AND (<i>NGiven</i> OR <i>Company</i>). This is necessary to link your imported calendar-entrys ".
"with the addressbook.<br>".
"<b>@cat_id(Cat1,...,CatN)</b> returns a (','-separated) list with the cat_id's. If a category isn't found, it ".
"will be automaticaly added. This function is automaticaly called if the category is not numerical!<p>".
"I hope that helped to understand the features, if not <a href='mailto:egroupware-users@lists.sf.net'>ask</a>.";
$template->set_var('help_on_trans',lang($help_on_trans)); // I don't think anyone will translate this
break;
case 'next':
$_POST['cal_fields'] = unserialize(stripslashes($_POST['cal_fields']));
$_POST['trans'] = unserialize(stripslashes($_POST['trans']));
// fall-through
case 'import':
$hiddenvars = html::input_hidden(array(
'action' => 'continue',
'fieldsep'=> $_POST['fieldsep'],
'charset' => $_POST['charset'],
'start' => $_POST['start']+(!$_POST['debug'] ? $_POST['max'] : 0),
'max' => $_POST['max'],
'debug' => $_POST['debug'],
'cal_fields' => $_POST['cal_fields'],
'trans' => $_POST['trans']
));
@set_time_limit(0);
$fp=fopen($csvfile,'r');
$csv_fields = fgetcsv($fp,8000,$_POST['fieldsep']);
$csv_fields = translation::convert($csv_fields,$_POST['charset']);
$csv_fields[] = 'no CSV 1'; // eg. for static assignments
$csv_fields[] = 'no CSV 2';
$csv_fields[] = 'no CSV 3';
$cal_fields = array_diff($_POST['cal_fields'],array( '' )); // throw away empty / not assigned entrys
$defaults = array();
foreach($cal_fields as $csv_idx => $info)
{ // convert $trans[$csv_idx] into array of pattern => value
$defaults[$csv_fields[$csv_idx]] = $info;
if ($_POST['trans'][$csv_idx])
{
$defaults[$csv_fields[$csv_idx]] .= $PSep.addslashes($_POST['trans'][$csv_idx]);
}
}
$GLOBALS['egw']->preferences->read_repository();
$GLOBALS['egw']->preferences->add('calendar','cvs_import',$defaults);
$GLOBALS['egw']->preferences->save_repository(True);
$log = '<table border="1" style="border: 1px dotted black; border-collapse: collapse;">'."\n\t<tr><td>#</td>\n";
foreach($cal_fields as $csv_idx => $info)
{ // convert $trans[$csv_idx] into array of pattern => value
// if (!$debug) echo "<p>$csv_idx: ".$csv_fields[$csv_idx].": $info".($trans[$csv_idx] ? ': '.$trans[$csv_idx] : '')."</p>";
$pat_reps = explode($PSep,stripslashes($_POST['trans'][$csv_idx]));
$replaces = ''; $values = '';
if ($pat_reps[0] != '')
{
foreach($pat_reps as $k => $pat_rep)
{
list($pattern,$replace) = explode($ASep,$pat_rep,2);
if ($replace == '')
{
$replace = $pattern; $pattern = '^.*$';
}
$values[$pattern] = $replace; // replace two with only one, added by the form
$replaces .= ($replaces != '' ? $PSep : '') . $pattern . $ASep . $replace;
}
$trans[$csv_idx] = $values;
}
$log .= "\t\t<td><b>$info</b></td>\n";
}
if (!in_array('public',$cal_fields)) // autocreate public access if not set by user
{
$log .= "\t\t<td><b>isPublic</b></td>\n";
$cal_fields[] = 'public';
}
/* if (!in_array('recur_type',$cal_fields)) // autocreate single event if not set by user
{
$log .= "\t\t<td><b>recureing</b></td>\n";
}*/
$log .= "\t\t<td><b>Imported</b></td>\n\t</tr>\n";
$start = $_POST['start'] < 1 ? 1 : $_POST['start'];
// ignore empty lines, is_null($fields[0]) is returned on empty lines !!!
for($i = 1; $i < $start; ++$i) // overread lines before our start-record
{
while(($fields = fgetcsv($fp,8000,$_POST['fieldsep'])) && is_null($fields[0])) ;
}
for($anz = 0; !$_POST['max'] || $anz < $_POST['max']; ++$anz)
{
while(($fields = fgetcsv($fp,8000,$_POST['fieldsep'])) && is_null($fields[0])) ;
if (!$fields)
{
break; // EOF
}
$fields = translation::convert($fields,$_POST['charset']);
$log .= "\t<tr>\n\t\t<td>".($start+$anz)."</td>\n";
$values = $orig = array();
foreach($cal_fields as $csv_idx => $info)
{
//echo "<p>$csv: $info".($trans[$csv] ? ': '.$trans[$csv] : '')."</p>";
$val = $fields[$csv_idx];
if (isset($trans[$csv_idx]) && is_array($trans[$csv_idx]))
{
foreach($trans[$csv_idx] as $pattern => $replace)
{
if (ereg((string) $pattern,$val))
{
//echo "<p>csv_idx='$csv_idx',info='$info',trans_csv=".print_r($trans_csv).",preg_replace('/$pattern/','$replace','$val') = ";
$val = preg_replace('/'.(string) $pattern.'/',str_replace($VPre,'\\',$replace),(string) $val);
//echo "'$val'";
$reg = $CPreReg.'([a-zA-Z_0-9 ]+)'.$CPosReg;
while (ereg($reg,$val,$vars))
{ // expand all CSV fields
$val = str_replace($CPre.$vars[1].$CPos,$val[0] == '@' ? "'".addslashes($fields[array_search($vars[1],$csv_fields)])."'" : $fields[array_search($vars[1],$csv_fields)],$val);
}
//echo "='$val'</p>";
if ($val[0] == '@' && is_admin)
{
// removing the $ to close security hole of showing vars, which contain eg. passwords
$val = 'return '.substr(str_replace('$','',$val),1).';';
// echo "<p>eval('$val')=";
$val = eval($val);
// echo "'$val'</p>";
}
if ($pattern[0] != '@' || $val)
break;
}
}
}
$values[$info] = $orig[$info] = $val;
}
if (!isset($values['public']))
{
$values['public'] = 1; // public access if not set by user
}
if (!isset($values['recur_type']))
{
$values['recur_type'] = MCAL_RECUR_NONE; // single event if not set by user
}
if(count($values)) // dont import empty contacts
{
//echo "values=<pre>".print_r($values,True)."</pre>\n";
foreach(array('owner','modifier') as $name)
{
if (preg_match('/\[([^\]]+)\]/',$values[$name],$matches)) $values[$name] = $matches[1];
if (!is_numeric($values[$name])) $values[$name] = $GLOBALS['egw']->accounts->name2id($values[$name],'account_lid','u');
}
if (!$values['owner'] || !$GLOBALS['egw']->accounts->exists($values['owner']))
{
$values['owner'] = $GLOBALS['egw_info']['user']['account_id'];
}
if ($values['priority'] < 1 || $values['priority'] > 3)
{
$values['priority'] = 2;
}
// convert the category name to an id
if ($values['category'] && !is_numeric($values['category']))
{
$values['category'] = cat_id($values['category']);
}
if (empty($values['title']))
{
$values['title'] = '('.lang('none').')';
}
// convert dates to timestamps
foreach(array('start','end','modified') as $date)
{
if (isset($values[$date]) && !is_numeric($date))
{
// convert german DD.MM.YYYY format into ISO YYYY-MM-DD format
$values[$date] = preg_replace('/([0-9]{1,2}).([0-9]{1,2}).([0-9]{4})/','\3-\2-\1',$values[$date]);
// remove fractures of seconds if present at the end of the string
if (preg_match('/(.*)\.[0-9]+/',$values[$date],$parts)) $values[$date] = $parts[1];
$values[$date] = strtotime($values[$date]);
}
}
// convert participants-names to user-id's
$parts = $values['participants'] ? preg_split('/[,;]/',$values['participants']) : array();
$values['participants'] = array();
foreach($parts as $part_status)
{
list($part,$status) = explode('=',$part_status);
$valid_status = array('U'=>'U','u'=>'U','A'=>'A','a'=>'A','R'=>'R','r'=>'R','T'=>'T','t'=>'T');
$status = isset($valid_status[$status]) ? $valid_status[$status] : 'U';
if (!is_numeric($part))
{
if (preg_match('/\[([^\]]+)\]/',$part,$matches)) $part = $matches[1];
$part = $GLOBALS['egw']->accounts->name2id($part);
}
if ($part && is_numeric($part))
{
$values['participants'][$part] = $status;
}
}
if (!count($values['participants'])) // no valid participants so far --> add the importing user/owner
{
$values['participants'][$values['owner']] = 'A';
}
if ($values['addr_id'] && !is_numeric($values['addr_id']))
{
list($lastname,$firstname,$org_name) = explode(',',$values['addr_id']);
$values['addr_id'] = addr_id($lastname,$firstname,$org_name);
}
if ($values['uid'])
{
if (is_numeric($values['uid'])) // to not conflict with our own id's
{
$values['uid'] = 'cal-csv-import-'.$values['uid'].'-'.$GLOBALS['egw_info']['server']['install_id'];
}
if (($event = $cal->read($values['uid'],null,$is_admin))) // no ACL check for admins
{
//echo "updating existing event"; _debug_array($event);
$values['id'] = $event['id'];
}
}
$action = $values['id'] ? 'updating' : 'adding';
//echo $action.'<pre>'.print_r($values,True)."</pre>\n";
// Keep links, $cal->update will remove them
$links = array(
'addr_id' => 'addressbook:' . $values['addr_id'],
'link_1' => $values['link_1'],
'link_2' => $values['link_2'],
'link_3' => $values['link_3'],
);
if (!$_POST['debug'] &&
($cal_id = $cal->update($values,true,!$values['modified'],$is_admin))) // ignoring conflicts and ACL (for admins) on import
{
foreach($links as $value) {
list($app,$app_id) = explode(':',$value);
if ($app && $app_id)
{
//echo "<p>linking calendar:$cal_id with $app:$app_id</p>\n";
egw_link::link('calendar',$cal_id,$app,$app_id);
}
}
}
// display read and interpreted results, so the user can check it
foreach($cal_fields as $name)
{
$log .= "\t\t<td>".($orig[$name] != $values[$name] ? htmlspecialchars($orig[$name]).' --> ' : '').
htmlspecialchars($values[$name])."</td>\n";
}
if(!$_POST['debug'] && count($values)) // dont import empty contacts
{
$log .= "\t\t".'<td align="center">'.($cal_id ? $action." cal_id=$cal_id" : 'Error '.$action)."</td>\n\t</tr>\n";
}
else
{
$log .= "\t\t".'<td align="center">only test</td>'."\n\t</tr>\n";
}
}
}
$log .= "</table>\n";
$template->set_var('anz_imported',($_POST['debug'] ?
lang('%1 records read (not yet imported, you may go back and uncheck Test Import)',
$anz,'','') :
lang('%1 records imported',$anz)). '&nbsp;'.
(!$_POST['debug'] && $fields ? html::submit_button('next','Import next set') . '&nbsp;':'').
html::submit_button('continue','Back') . '&nbsp;'.
html::submit_button('cancel','Cancel'));
$template->set_var('log',$log);
$template->parse('rows','imported');
break;
}
$template->set_var('hiddenvars',str_replace('{','&#x7B;',$hiddenvars));
$template->pfp('phpgw_body','import');
$GLOBALS['egw']->common->egw_footer();
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