<?php

/** Customer Importer
 *  imports customer data from a csv file
 *
 * @version 2.0.0
 * @since   2008-04-07
 *
 */
class CustomerImporter extends CmsObject{

	var $upload;
	
	var $addedCustomers;
	var $updatedCustomers;
	
	/** C'tor
	 */
	//-----------------------------------------------
	function CustomerImporter($id, $parent){
	//-----------------------------------------------
		parent::CmsObject($id, $parent);
		$this->name = "Besucherdaten importieren";
		$this->upload = false;
		$this->addedCustomers = array();
		$this->updatedCustomers = array();
	}
	
	
	/** @see CmsObject::update()
	 */
	//----------------------------------------------
	function update(){
	//----------------------------------------------
		if ($_FILES['excel']['error'] == 0) {
			$f = fopen($_FILES['excel']['tmp_name'], "r");
			$line = fgets($f);
			while ($line = fgets($f)) {
				$c = explode(";", $line);
				$this->importCustomer($c);
			}
			fclose($f);
			$this->upload = true;
		}
	}
	
	
	/** @see CmsObject::printContent()
	 */
	//-----------------------------------------------
	function printContent(){
	//-----------------------------------------------
		$t = new Template(CMS_TEMPLATE_DIR."customerimport.html");
		if (!$this->upload) {
			$t->removeBlock("SUCCESS");
		}
		else {
			$t->setVar("ADDED", htmlspecialchars(implode(", ", $this->addedCustomers)));
			$t->setVar("UPDATED", htmlspecialchars(implode(", ", $this->updatedCustomers)));
			$t->setVar("NUM_ADDED", sizeof($this->addedCustomers));
			$t->setVar("NUM_UPDATED", sizeof($this->updatedCustomers));
		}
		return $t->toString();
	}
	
	
	/** @see CmsObject::getCssClass()
	 */

	//-----------------------------------------------
	function getCssClass(){
	//-----------------------------------------------
		return "itemCustomers";
	}	
	
	
	// === ADDITIONAL METHODS ================================================================= //
	
	
	/** imports customer data
	 * @param customer customer
	 */
	//-----------------------------------------------
	function importCustomer($customer){
	//-----------------------------------------------
		// fields: acad, firstname, surname, address, zip, city, e-mail, group
		// check if customer exists
		$query = sprintf("SELECT acad, firstname, surname, address, zip, city, email, id, loose FROM bruckm_ticketcustomer 
											WHERE firstname = %s AND surname = %s", 
											sqlstring($customer[1]),
											sqlstring($customer[2]));
		$result = dbQuery($query);
		if (mysql_num_rows($result) > 0) {
			// find best correlation
			$best = array();
			$correlations = 0;
			while ($line = mysqli_fetch_array($result, MYSQL_BOTH)) {
				$c = 0;
				for ($i = 0; $i < 7; $i++) {
					if ($line[$i] == $customer[$i]) {
						$c++;
					}
				}
				if ($c > $correlations) {
					$correlations = $c;
					$best = $line;
				}
			}
		
			if (empty($best)) {
				logError(1, "no correlation found for $line[1] $line[2]", __FILE__, __LINE__);
				return;
			}
			
			// only loose customers can be edited
			if ($best['loose'] == 'false') {
				return;
			}
			
			// perfect correlation: no need to update any field
			if ($correlations == 7) {
				return;
			}
			
			// keep old values where the new value is empty
			for ($i = 0; $i < 7; $i++) {
				if (empty($customer[$i])) {
					$customer[$i] = $best[$i];
				}
			}
			
			// update customer
			$query = sprintf("UPDATE bruckm_ticketcustomer SET acad = %s, firstname = %s, surname = %s, address = %s, zip = %d, city = %s, email = %s, changeDate = NOW()
												WHERE id = %d",
												sqlstring($customer[0]),
												sqlstring($customer[1]),
												sqlstring($customer[2]),
												sqlstring($customer[3]),
												sqlnum($customer[4]),
												sqlstring($customer[5]),
												sqlstring($customer[6]),
												sqlnum($best['id']));
			dbQuery($query);
			
			if (!empty($customer[7])) {
				$group = $this->findGroup($customer[7]);
				$query = sprintf("INSERT IGNORE INTO bruckm_ticketcustomergroupmemberships (groupId, customerId) VALUES (%d, %d)",
													sqlnum($group),
													sqlnum($best['id']));
				dbQuery($query);
			}			
			$this->updatedCustomers[] = $customer[1] . ' ' . $customer[2];
			return;
		}
		
		// customer not found: insert into database
		$query = sprintf("INSERT INTO bruckm_ticketcustomer (acad, firstname, surname, address, zip, city, email, creationDate, newsletter, locked, loose)
											VALUES (%s, %s, %s, %s, %d, %s, %s, NOW(), 'true', 'false', 'true')",
											sqlstring($customer[0]),
											sqlstring($customer[1]),
											sqlstring($customer[2]),
											sqlstring($customer[3]),
											sqlnum($customer[4]),
											sqlstring($customer[5]),
											sqlstring($customer[6]));
		dbQuery($query);
		
		if (!empty($customer[7])) {
			$group = $this->findGroup($customer[7]);
			$query = sprintf("INSERT INTO bruckm_ticketcustomergroupmemberships (groupId, customerId) VALUES (%d, %d)",
			                  sqlnum($group),
												sqlnum(mysql_insert_id()));
			dbQuery($query);
		}											
		$this->addedCustomers[] = $customer[1] . ' ' . $customer[2];
	}
	
	
	/** finds the id of a group and creates the group if it doesn't exist yet
	 * @param group group name
	 * @return group id
	 */
	//-----------------------------------------------
	function findGroup($group){
	//-----------------------------------------------
		$query = sprintf("SELECT id FROM bruckm_ticketcustomergroup WHERE name = %s LIMIT 1", sqlstring($group));
		$result = dbQuery($query);
		if ($line = mysqli_fetch_array($result, MYSQLI_ASSOC)) {
			return $line['id'];
		}
		$query = sprintf("INSERT INTO bruckm_ticketcustomergroup (name) VALUES (%s)", sqlstring($group));
		dbQuery($query);
		return mysql_insert_id();
	}
	
	
	/** sets the id
	 * @param id id
	 */
	//-----------------------------------------------
	function setId($id){
	//-----------------------------------------------
		$this->id = $id;
	}
	
};

?>