Extract food truck code into a separate class

The schedule() method in that class also includes a bunch of my failed
attempts at filtering. Will update with a cleaner method of filtering.

1 files changed, 240 insertions, 0 deletions

diff --git a/boston_food_trucks.php b/boston_food_trucks.php
new file mode 100644
index 0000000..109ccf8
--- /dev/null
+++ b/boston_food_trucks.php
@@ -0,0 +1,240 @@
+<?php
+
+class BostonFoodTrucks {
+	
+	private $food_truck_schedule_url = 'http://www.cityofboston.gov/business/mobile/schedule-app.asp?v=1&71';
+	private $food_truck_html = '';
+	private $dom = null;
+	private $finder = null;
+	
+	private $class_company = 'com';
+	private $class_day_of_the_week = 'dow';
+	private $class_time_of_day = 'tod';
+	private $class_location = 'loc';
+	
+	private $food_trucks_nodes = array(
+		'companies' => null,
+		'company_urls' => null,
+		'days_of_week' => null,
+		'times_of_day' => null,
+		'locations' => null,
+	);
+	
+	private $food_truck_output = array(
+    	'food_trucks' => array()
+	);
+	
+	public $locations_downtown = array(
+		'(25) Innovation District, Seaport Blvd at Thomson',
+		'(23) Chinatown/Park Street, Boylston St near Washington St',
+		'Rose Kennedy Greenway, Beach Street in Chinatown',
+		'Rose Kennedy Greenway, Dewey Square, South Station',
+		'Greenway (at High St #1)',
+		'Rose Kennedy Greenway,Congress Street near Wharf',
+		'Greenway - Rose Kennedy Greenway, Milk Street by Aquarium',
+		'Rose Kennedy Greenway, Milk Street by Aquarium',
+		'Rose Kennedy Greenway @ State Street',
+		'Rose Kennedy Greenway, Cross and Hanover Streets',
+		'Boston Common, Brewer Fountain by Tremont and Boylston Streets',
+		'(24) Financial District, Pearl Street at Franklin',
+		'(22) Financial District, Milk and Kilby Streets',
+		'Downtown - City Hall Plaza, Fisher Park'
+        'City Hall Plaza, Fisher Park'
+	);
+	
+	
+	function __construct () {
+		$this->food_truck_html = file_get_contents($this->food_truck_schedule_url);
+		$this->dom = new DOMDocument;
+		$this->dom->loadHTML($this->food_truck_html);
+		$this->finder = new DomXPath($this->dom);
+		
+		$this->food_truck_nodes['companies'] = 
+			$this->finder->query('//td[@class="' . $this->class_company . '"]/a/text()');
+		$this->food_truck_nodes['company_urls'] = 
+			$this->finder->query('//td[@class="' . $this->class_company . '"]/a/@href');
+		$this->food_truck_nodes['days_of_week'] = 
+			$this->finder->query('//td[@class="' . $this->class_day_of_the_week . '"]/text()');
+		$this->food_truck_nodes['times_of_day'] = 
+			$this->finder->query('//td[@class="' . $this->class_time_of_day . '"]/text()');
+		$this->food_truck_nodes['locations'] = 
+			$this->finder->query('//td[@class="' . $this->class_location . '"]/text()');	
+	}
+	
+	
+	function schedule ($options = array()) {
+// 		for ($i = 0; $i < $this->food_truck_nodes['locations']->length; $i++) {
+// 			if (isset($options['days_of_week']) && 
+// 			in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week'])) {
+// 				
+// 				if (isset($options['times_of_day']) && 
+// 				in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day'])) {
+// 					
+// 					if (isset($options['locations']) && 
+// 					in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+// 						
+// 						$this->_add_food_truck($i);
+// 						
+// 					}
+// 					else {
+// 						$this->_add_food_truck($i);
+// 					}
+// 				}
+// 				else {
+// 					$this->_add_food_truck($i);
+// 				}
+// 			}
+// 			else {
+// 				$this->_add_food_truck($i);
+// 			}
+// 		}
+// 		
+// 		
+// 		$has_days = isset($options['days_of_week']);
+// 		$has_times = isset($options['times_of_day']);
+// 		$has_locations = isset($options['locations']);
+// 		
+// 		$add_by_days = function($list_index) {
+// 			if (in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week'])) {
+// 				$this->_add_food_truck($list_index);
+// 			}
+// 		};
+// 		
+// 		$add_by_times = function($list_index) {
+// 			if (in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day'])) {
+// 				$this->_add_food_truck($list_index);
+// 			}
+// 		};
+// 		
+// 		$add_by_locations = function($list_index) {
+// 			if (in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+// 				$this->_add_food_truck($list_index);
+// 			}
+// 		};
+// 		
+// 		if ($has_days and $has_times and $has_locations) {
+// 			$add_by_days($i);
+// 			$add_by_times($i);
+// 			$add_by_locations($i);
+// 		}
+// 		else if (! $has_days and $has_times and $has_locations) {
+// 			$add_by_times($i);
+// 			$add_by_locations($i);
+// 		}
+// 		else if ($has_days and ! $has_times and $has_locations) {
+// 			$add_by_days($i);
+// 			$add_by_locations($i);
+// 		}
+// 		else if ($has_days and $has_times and ! $has_locations) {
+// 			$add_by_days($i);
+// 			$add_by_locations($i);
+// 		}
+// 		else if (! $has_days and ! $has_times and $has_locations) {
+// 			$add_by_locations($i);
+// 		}
+		
+		
+// 		$has_days = isset($options['days_of_week']);
+// 		$has_times = isset($options['times_of_day']);
+// 		$has_locations = isset($options['locations']);
+// 		
+// 		if (! $has_days and ! $has_times and ! $has_locations) {
+// 			for ($i = 0; $i < $this->food_truck_nodes['locations']->length; $i++) {
+// 				$this->_add_food_truck($i);
+// 			}
+// 		}
+// 		else {
+// 			if ($has_days) {
+// 				for ($i = 0; $i < $this->food_truck_nodes['days_of_week']->length; $i++) {
+// 					if (in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week'])) {
+// 						$this->_add_food_truck($i);
+// 					}
+// 				}
+// 			}
+// 			
+// 			if ($has_times) {
+// 				for ($i = 0; $i < $this->food_truck_nodes['times_of_day']->length; $i++) {
+// 					if (in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day'])) {
+// 						$this->_add_food_truck($i);
+// 					}
+// 				}
+// 			}
+// 			
+// 			if ($has_locations) {
+// 				for ($i = 0; $i < $this->food_truck_nodes['locations']->length; $i++) {
+// 					if (in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+// 						$this->_add_food_truck($i);
+// 					}
+// 				}
+// 			}
+// 		}
+		
+		
+		$has_days = isset($options['days_of_week']);
+		$has_times = isset($options['times_of_day']);
+		$has_locations = isset($options['locations']);
+		
+		for ($i = 0; $i < $this->food_truck_nodes['locations']->length; $i++) {
+			if (! $has_days and ! $has_times and ! $has_locations) {
+				$this->_add_food_truck($i);
+			}
+			else if ($has_days and ! $has_times and ! $has_locations) {
+				if (in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+			else if (! $has_days and $has_times and ! $has_locations) {
+				if (in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+			else if (! $has_days and ! $has_times and $has_locations) {
+				if (in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+			else if ($has_days and $has_times and ! $has_locations) {
+				if (in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week']) and in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+			else if ($has_days and ! $has_times and $has_locations) {
+				if (in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week']) and in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+			else if (! $has_days and $has_times and $has_locations) {
+				if (in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day']) and in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+			else if ($has_days and $has_times and $has_locations) {
+				if (in_array($this->food_truck_nodes['days_of_week']->item($i)->nodeValue, $options['days_of_week']) and in_array($this->food_truck_nodes['times_of_day']->item($i)->nodeValue, $options['times_of_day']) and in_array($this->food_truck_nodes['locations']->item($i)->nodeValue, $options['locations'])) {
+					$this->_add_food_truck($i);
+				}
+			}
+		}
+		
+		
+		return json_encode($this->food_truck_output);
+	}
+	
+	
+	function _add_food_truck ($list_index) {
+		$this->food_truck_output['food_trucks'][] = array(
+			'company' => $this->food_truck_nodes['companies']->item($list_index)->nodeValue,
+			'company_url' => $this->food_truck_nodes['company_urls']->item($list_index)->nodeValue,
+			'day_of_week' => $this->food_truck_nodes['days_of_week']->item($list_index)->nodeValue,
+			'time_of_day' => $this->food_truck_nodes['times_of_day']->item($list_index)->nodeValue,
+			'location' => $this->food_truck_nodes['locations']->item($list_index)->nodeValue
+		);
+	}
+	
+	
+	function trucks_now () {
+		return $this->schedule(array(
+			'days_of_week' => array(date('l')),
+			'times_of_day' => array('Lunch')
+		));
+	}
+}