initial commit

other/archive/version_01/functions/func_schedule.php

@@ -0,0 +1,235 @@
+<?php
+#################################################################################
+#																				#
+#	written by benjamin ramey													#
+#	bsr@rameydesign.net															#
+#																				#
+#	This file contains:															#
+#		Functions that govern adding/editing/deleting, etc of schedule items	#
+#																				#
+#################################################################################
+
+######################################################## FUNCTION: schedule_add	#
+function schedule_add($data)
+{
+	global $_CONFIG,$_DOC_ROOT;
+	
+	# we have to get the specific title of thecourse we are adding
+	$seminar_title = xml_parse_file($_DOC_ROOT.'/data/pages/'.$data['seminar']);
+	$data['title'] = $seminar_title['page']['en']['name'];
+	
+	# gather all the current schedules from xml file
+	$schedules = xml_parse_file($_CONFIG['schedules_file']);
+	$schedules = xml_force_array($schedules['seminar_schedule']['seminar']);
+	# the new id will be one more than the highest id so far
+	$new_id = 0;
+	foreach($schedules as $schedule)
+	{
+		if($schedule['id'] > $new_id)
+		{
+			$new_id = $schedule['id'];
+		}
+	}
+	$new_id++;
+	
+	# the internal link file name for thiscourse is just the filename
+	# without the .xml ending on it
+	$seminar_file_name = str_replace('.xml','',$data['seminar']);
+	# format the dates correctly
+	$data['startday'] = implode(',',$data['startday']);
+	$data['startdate'] = "{$data['startday']}.{$data['startmonth']}.{$data['startyear']}";
+	$data['endday'] = implode(',',$data['endday']);
+	$data['enddate'] = "{$data['endday']}.{$data['endmonth']}.{$data['endyear']}";
+	$data['registration_deadline'] = "{$data['regday']}.{$data['regmonth']}.{$data['regyear']}";
+	# create the new schedule's xml array
+	$schedules[] = array(	'id'					=> $new_id,
+							'internal_link'			=> 'seminars/'.$seminar_file_name,
+							'title'					=> $data['title'],
+							'level'					=> $data['level'],
+							'startdate'				=> $data['startdate'],
+							'enddate'				=> $data['enddate'],
+							'duration'				=> $data['duration'],
+							'venue'					=> $data['venue'],
+							'participants'			=> $data['participants'],
+							'registration_deadline'	=> $data['registration_deadline'],
+							'price'					=> $data['price']
+						);
+						
+	# opening and closing tags for the new schedules file
+	$opening_tags = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n<seminar_schedule>";
+	$closing_tags = "\n</seminar_schedule>";
+	
+	# open the old file and truncate it to write the new one
+	$handle = fopen($_CONFIG['schedules_file'],'w');
+	fwrite($handle,$opening_tags);
+	
+	# now, write an entry for each schedule, including the new one
+	foreach($schedules as $schedule)
+	{
+		$xml = schedule_create_xml($schedule);
+		fwrite($handle,$xml);
+	}
+	
+	fwrite($handle,$closing_tags);
+	fclose($handle);
+	
+	# make a message to the user to let him know the schedule
+	# was added successfully
+	if(!err_exist())
+	{
+		mesg_make("Schedule '{$data['title']}' successfully added.");
+	}
+}
+
+##################################################### FUNCTION: schedule_delete	#
+function schedule_delete($data)
+{
+	global $_CONFIG;
+	
+	# gather all the current schedules from xml file
+	$schedules = xml_parse_file($_CONFIG['schedules_file']);
+	$schedules = xml_force_array($schedules['seminar_schedule']['seminar']);
+	
+	$deleted_schedule = '';
+	
+	# opening and closing tags for the new schedules file
+	$opening_tags = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n<seminar_schedule>";
+	$closing_tags = "\n</seminar_schedule>";
+	
+	# open the old file and truncate it to write the new one
+	$handle = fopen($_CONFIG['schedules_file'],'w');
+	fwrite($handle,$opening_tags);
+	
+	# now, write an entry for each schedule, including the new one
+	foreach($schedules as $schedule)
+	{
+		# skip adding this schedule to the new file if it is
+		# the schedule we are looking to delete
+		if($schedule['id'] == $data['delete_id'])
+		{
+			# get title of this deleted schedule so show it in the
+			# message to the user
+			$deleted_schedule = $schedule['title'];
+			continue;
+		}
+		
+		$xml = schedule_create_xml($schedule);
+		fwrite($handle,$xml);
+	}
+	
+	fwrite($handle,$closing_tags);
+	fclose($handle);
+	
+	# make a message to the user to let him know the schedule
+	# was added successfully
+	if(!err_exist())
+	{
+		mesg_make("Schedule '$deleted_schedule' successfully deleted.");
+	}
+}
+
+####################################################### FUNCTION: schedule_edit	#
+function schedule_edit($data)
+{
+	global $_CONFIG,$_DOC_ROOT;
+	
+	# we have to get the specific title of thecourse we are adding
+	$seminar_title = xml_parse_file($_DOC_ROOT.'/data/pages/'.$data['seminar']);
+	$data['title'] = $seminar_title['page']['en']['name'];
+		
+	# gather all the current schedules from xml file
+	$schedules = xml_parse_file($_CONFIG['schedules_file']);
+	$schedules = xml_force_array($schedules['seminar_schedule']['seminar']);
+
+	# opening and closing tags for the new schedules file
+	$opening_tags = "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n<seminar_schedule>";
+	$closing_tags = "\n</seminar_schedule>";
+	
+	# open the old file and truncate it to write the new one
+	$handle = fopen($_CONFIG['schedules_file'],'w');
+	fwrite($handle,$opening_tags);
+	
+	# now, write an entry for each schedule, including the new one
+	foreach($schedules as $schedule)
+	{
+		# pause for a moment when we come across the schedule
+		# that we are editing so that we can update it's data
+		if($schedule['id'] == $data['edit_id'])
+		{	
+			# step through all the form data and update
+			# the schedule array with the edited data
+			foreach($data as $key => $value)
+			{
+				# there are form elements that aren't part of the
+				# xml document, so only update the schedule array
+				# with the form elements that are also xml elements
+				if(array_key_exists($key,$schedule))
+				{
+					$schedule[$key] = $value;
+				}
+			}	
+		}
+		
+		$xml = schedule_create_xml($schedule);
+		fwrite($handle,$xml);
+	}
+	
+	fwrite($handle,$closing_tags);
+	fclose($handle);
+	
+	# make a message to the user to let him know the schedule
+	# was added successfully
+	if(!err_exist())
+	{
+		mesg_make("Schedule '{$data['title']}' successfully edited.");
+	}
+}
+
+######################################################## FUNCTION: schedule_get	#
+function schedule_get($schedule_id)
+{
+	global $_CONFIG;
+	
+	# gather all the current schedules from xml file
+	$schedules = xml_parse_file($_CONFIG['schedules_file']);
+	$schedules = xml_force_array($schedules['seminar_schedule']['seminar']);
+	
+	# look for the schedule with the id we are looking for
+	# if we find it, return the schedule array
+	foreach($schedules as $schedule)
+	{
+		if($schedule['id'] == $schedule_id)
+		{
+			return($schedule);
+		}
+	}
+}
+
+################################################# FUNCTION: schedule_create_xml	#
+function schedule_create_xml($data)
+{
+	# I think slashes are being automatically added by php to
+	# the stuff passed via a post request.  This will make
+	# sure any text that the user entered are stripped before
+	# we add them to the xml document
+	foreach($data as $key => $value)
+	{
+		$data[$key] = stripslashes($value);
+	}
+	
+	$xml = "
+	<seminar id='{$data['id']}'>
+ 		<internal_link>{$data['internal_link']}</internal_link>
+ 		<title>{$data['title']}</title>
+ 		<level>{$data['level']}</level>
+ 		<startdate>{$data['startdate']}</startdate>
+ 		<enddate>{$data['enddate']}</enddate>
+ 		<duration>{$data['duration']}</duration>
+ 		<venue>{$data['venue']}</venue>
+ 		<participants>{$data['participants']}</participants>
+ 		<registration_deadline>{$data['registration_deadline']}</registration_deadline>
+ 		<price>{$data['price']}</price>
+ 	</seminar>";
+	
+	return($xml);
+}