Geolocation

UserLocation.php

<?php if (!defined('BASEPATH')) exit('No direct script access allowed');

/* 
-------------------------------
Author: Pete Saia
Certifikid.com
*/

class User_location
{
	function __construct()
	{
		$this->ci =& get_instance();

		$this->ci->load->library('session');
		$this->ci->load->library('input');
		$this->ci->load->model('area_model');
	}
	
	/* 
	-------------------------------
	This library sets the user_data 
	session variable and returns 
	the appropriate city slug. 
	-------------------------------
	*/
	
	function get_area()
	{
		/* 
		-------------------------------
		if session is set...
		*/
		//$this->ci->load->library('firephp');
		//$this->ci->firephp->log(get_geolocation($this->ci->input->ip_address()));
		
		//TEMP FIX (theres something wrong with brian's computer in the office (IP issues i think))
		$this->ci->session->set_userdata(array('user_area' => 'washington-dc'));
		return 'washington-dc';
		//TEMP FIX
		
		if ($this->ci->session->userdata('user_area'))
		{
			return $this->ci->session->userdata('user_area');
		}
		else
		{
			/* 
			-------------------------------
			Get info based on IP
			*/
			//$data = get_geolocation('69.140.43.109'); //greenbelt
			//$data = get_geolocation('71.251.51.248'); //dc
			$data = get_geolocation($this->ci->input->ip_address()); //dc
			
			/* 
			-------------------------------
			If somethingis messed up with the 
			IP address just pick up frst city...
			*/
			if (strlen($data['city'])<1 || strlen($data['region_name'])<1)
			{
				$this->ci->session->set_userdata(array('user_area' => $this->ci->area_model->first_city()));
				return $this->ci->area_model->first_city();
			}
			
			
			/* 
			-------------------------------
			Check to see if the user is in
			a Featured area
			*/
			
			$query = $this->ci->area_model->is_in_featured_area($data['city'],$data['region_name']);
			//$this->ci->firephp->log($query->row());
			//TEMPORARY FIX FOR CLIENTS COMPUTER
			if ($query->num_rows()>0)
			{
				$city = $query->row();
				$this->ci->session->set_userdata(array('user_area' => $city->slug));
				return $city->slug;
			}
			
			/* 
			-------------------------------
			if there not, check to see if
			they are in a surrounding area...
			*/
			else
			{
				$query = $this->ci->area_model->surrounding_areas();
				foreach($query->result_array() as $row) //see if user's current 
				{
					if (strtolower($data['city'])==strtolower($row['name']) || strtolower($data['region_name'])==strtolower($row['name']))
					{
						/* 
						-------------------------------
						They are, so get the slug for that
						surrounding area's parent area.
						*/
						$parent_city_ID = $row['locations_id'];
						$city = $this->ci->area_model->return_parent_area($parent_city_ID);
						$this->ci->session->set_userdata(array('user_area' => $city));
						return $city;
					}
				}
				
				/* 
				-------------------------------
				else there somewhere else so just
				return first area in database
				*/
				$this->ci->session->set_userdata(array('user_area' => $this->ci->area_model->first_city()));
				return $this->ci->area_model->first_city();
			}
		}
	}
}