rss-bridge/bridges/InstructablesBridge.php

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<?php
/**
* This class implements a bridge for http://www.instructables.com, supporting
* general feeds and feeds by category.
*
* Remarks:
* - For some reason it is very important to have the category URI end with a
* slash, otherwise the site defaults to the main category (i.e. Technology)!
* If you need to update the categories list, enable the 'listCategories'
* function (see comments below) and run the bridge with format=Html (see page
* source)
*/
class InstructablesBridge extends BridgeAbstract {
const NAME = 'Instructables Bridge';
const URI = 'https://www.instructables.com';
const DESCRIPTION = 'Returns general feeds and feeds by category';
const MAINTAINER = 'logmanoriginal';
const PARAMETERS = array(
'Category' => array(
'category' => array(
'name' => 'Category',
'type' => 'list',
'values' => array(
'Play' => array(
'All' => '/play/',
'KNEX' => '/play/knex/',
'Offbeat' => '/play/offbeat/',
'Lego' => '/play/lego/',
'Airsoft' => '/play/airsoft/',
'Card Games' => '/play/card-games/',
'Guitars' => '/play/guitars/',
'Instruments' => '/play/instruments/',
'Magic Tricks' => '/play/magic-tricks/',
'Minecraft' => '/play/minecraft/',
'Music' => '/play/music/',
'Nerf' => '/play/nerf/',
'Nintendo' => '/play/nintendo/',
'Office Supplies' => '/play/office-supplies/',
'Paintball' => '/play/paintball/',
'Paper Airplanes' => '/play/paper-airplanes/',
'Party Tricks' => '/play/party-tricks/',
'PlayStation' => '/play/playstation/',
'Pranks and Humor' => '/play/pranks-and-humor/',
'Puzzles' => '/play/puzzles/',
'Siege Engines' => '/play/siege-engines/',
'Sports' => '/play/sports/',
'Table Top' => '/play/table-top/',
'Toys' => '/play/toys/',
'Video Games' => '/play/video-games/',
'Wii' => '/play/wii/',
'Xbox' => '/play/xbox/',
'Yo-Yo' => '/play/yo-yo/',
),
'Craft' => array(
'All' => '/craft/',
'Art' => '/craft/art/',
'Sewing' => '/craft/sewing/',
'Paper' => '/craft/paper/',
'Jewelry' => '/craft/jewelry/',
'Fashion' => '/craft/fashion/',
'Books & Journals' => '/craft/books-and-journals/',
'Cards' => '/craft/cards/',
'Clay' => '/craft/clay/',
'Duct Tape' => '/craft/duct-tape/',
'Embroidery' => '/craft/embroidery/',
'Felt' => '/craft/felt/',
'Fiber Arts' => '/craft/fiber-arts/',
'Gifts & Wrapping' => '/craft/gifts-and-wrapping/',
'Knitting & Crocheting' => '/craft/knitting-and-crocheting/',
'Leather' => '/craft/leather/',
'Mason Jars' => '/craft/mason-jars/',
'No-Sew' => '/craft/no-sew/',
'Parties & Weddings' => '/craft/parties-and-weddings/',
'Print Making' => '/craft/print-making/',
'Soap' => '/craft/soap/',
'Wallets' => '/craft/wallets/',
),
'Technology' => array(
'All' => '/technology/',
'Electronics' => '/technology/electronics/',
'Arduino' => '/technology/arduino/',
'Photography' => '/technology/photography/',
'Leds' => '/technology/leds/',
'Science' => '/technology/science/',
'Reuse' => '/technology/reuse/',
'Apple' => '/technology/apple/',
'Computers' => '/technology/computers/',
'3D Printing' => '/technology/3D-Printing/',
'Robots' => '/technology/robots/',
'Art' => '/technology/art/',
'Assistive Tech' => '/technology/assistive-technology/',
'Audio' => '/technology/audio/',
'Clocks' => '/technology/clocks/',
'CNC' => '/technology/cnc/',
'Digital Graphics' => '/technology/digital-graphics/',
'Gadgets' => '/technology/gadgets/',
'Kits' => '/technology/kits/',
'Laptops' => '/technology/laptops/',
'Lasers' => '/technology/lasers/',
'Linux' => '/technology/linux/',
'Microcontrollers' => '/technology/microcontrollers/',
'Microsoft' => '/technology/microsoft/',
'Mobile' => '/technology/mobile/',
'Raspberry Pi' => '/technology/raspberry-pi/',
'Remote Control' => '/technology/remote-control/',
'Sensors' => '/technology/sensors/',
'Software' => '/technology/software/',
'Soldering' => '/technology/soldering/',
'Speakers' => '/technology/speakers/',
'Steampunk' => '/technology/steampunk/',
'Tools' => '/technology/tools/',
'USB' => '/technology/usb/',
'Wearables' => '/technology/wearables/',
'Websites' => '/technology/websites/',
'Wireless' => '/technology/wireless/',
),
'Workshop' => array(
'All' => '/workshop/',
'Woodworking' => '/workshop/woodworking/',
'Tools' => '/workshop/tools/',
'Gardening' => '/workshop/gardening/',
'Cars' => '/workshop/cars/',
'Metalworking' => '/workshop/metalworking/',
'Cardboard' => '/workshop/cardboard/',
'Electric Vehicles' => '/workshop/electric-vehicles/',
'Energy' => '/workshop/energy/',
'Furniture' => '/workshop/furniture/',
'Home Improvement' => '/workshop/home-improvement/',
'Home Theater' => '/workshop/home-theater/',
'Hydroponics' => '/workshop/hydroponics/',
'Laser Cutting' => '/workshop/laser-cutting/',
'Lighting' => '/workshop/lighting/',
'Molds & Casting' => '/workshop/molds-and-casting/',
'Motorcycles' => '/workshop/motorcycles/',
'Organizing' => '/workshop/organizing/',
'Pallets' => '/workshop/pallets/',
'Repair' => '/workshop/repair/',
'Shelves' => '/workshop/shelves/',
'Solar' => '/workshop/solar/',
'Workbenches' => '/workshop/workbenches/',
),
'Home' => array(
'All' => '/home/',
'Halloween' => '/home/halloween/',
'Decorating' => '/home/decorating/',
'Organizing' => '/home/organizing/',
'Pets' => '/home/pets/',
'Life Hacks' => '/home/life-hacks/',
'Beauty' => '/home/beauty/',
'Christmas' => '/home/christmas/',
'Cleaning' => '/home/cleaning/',
'Education' => '/home/education/',
'Finances' => '/home/finances/',
'Gardening' => '/home/gardening/',
'Green' => '/home/green/',
'Health' => '/home/health/',
'Hiding Places' => '/home/hiding-places/',
'Holidays' => '/home/holidays/',
'Homesteading' => '/home/homesteading/',
'Kids' => '/home/kids/',
'Kitchen' => '/home/kitchen/',
'Life Skills' => '/home/life-skills/',
'Parenting' => '/home/parenting/',
'Pest Control' => '/home/pest-control/',
'Relationships' => '/home/relationships/',
'Reuse' => '/home/reuse/',
'Travel' => '/home/travel/',
),
'Outside' => array(
'All' => '/outside/',
'Bikes' => '/outside/bikes/',
'Survival' => '/outside/survival/',
'Backyard' => '/outside/backyard/',
'Beach' => '/outside/beach/',
'Birding' => '/outside/birding/',
'Boats' => '/outside/boats/',
'Camping' => '/outside/camping/',
'Climbing' => '/outside/climbing/',
'Fire' => '/outside/fire/',
'Fishing' => '/outside/fishing/',
'Hunting' => '/outside/hunting/',
'Kites' => '/outside/kites/',
'Knives' => '/outside/knives/',
'Knots' => '/outside/knots/',
'Paracord' => '/outside/paracord/',
'Rockets' => '/outside/rockets/',
'Skateboarding' => '/outside/skateboarding/',
'Snow' => '/outside/snow/',
'Water' => '/outside/water/',
),
'Food' => array(
'All' => '/food/',
'Dessert' => '/food/dessert/',
'Snacks & Appetizers' => '/food/snacks-and-appetizers/',
'Bacon' => '/food/bacon/',
'BBQ & Grilling' => '/food/bbq-and-grilling/',
'Beverages' => '/food/beverages/',
'Bread' => '/food/bread/',
'Breakfast' => '/food/breakfast/',
'Cake' => '/food/cake/',
'Candy' => '/food/candy/',
'Canning & Preserves' => '/food/canning-and-preserves/',
'Cocktails & Mocktails' => '/food/cocktails-and-mocktails/',
'Coffee' => '/food/coffee/',
'Cookies' => '/food/cookies/',
'Cupcakes' => '/food/cupcakes/',
'Homebrew' => '/food/homebrew/',
'Main Course' => '/food/main-course/',
'Pasta' => '/food/pasta/',
'Pie' => '/food/pie/',
'Pizza' => '/food/pizza/',
'Salad' => '/food/salad/',
'Sandwiches' => '/food/sandwiches/',
'Soups & Stews' => '/food/soups-and-stews/',
'Vegetarian & Vegan' => '/food/vegetarian-and-vegan/',
),
'Costumes' => array(
'All' => '/costumes/',
'Props' => '/costumes/props-and-accessories/',
'Animals' => '/costumes/animals/',
'Comics' => '/costumes/comics/',
'Fantasy' => '/costumes/fantasy/',
'For Kids' => '/costumes/for-kids/',
'For Pets' => '/costumes/for-pets/',
'Funny' => '/costumes/funny/',
'Games' => '/costumes/games/',
'Historic & Futuristic' => '/costumes/historic-and-futuristic/',
'Makeup' => '/costumes/makeup/',
'Masks' => '/costumes/masks/',
'Scary' => '/costumes/scary/',
'TV & Movies' => '/costumes/tv-and-movies/',
'Weapons & Armor' => '/costumes/weapons-and-armor/',
)
),
'title' => 'Select your category (required)',
'defaultValue' => 'Technology'
),
'filter' => array(
'name' => 'Filter',
'type' => 'list',
'values' => array(
'Featured' => ' ',
'Recent' => 'recent/',
'Popular' => 'popular/',
'Views' => 'views/',
'Contest Winners' => 'winners/'
),
'title' => 'Select a filter',
'defaultValue' => 'Featured'
)
)
);
private $uri;
public function collectData() {
// Enable the following line to get the category list (dev mode)
// $this->listCategories();
$this->uri = static::URI;
switch($this->queriedContext) {
case 'Category': $this->uri .= $this->getInput('category') . $this->getInput('filter');
}
$html = getSimpleHTMLDOM($this->uri)
or returnServerError('Error loading category ' . $this->uri);
foreach($html->find('ul.explore-covers-list li') as $cover) {
$item = array();
$item['uri'] = static::URI . $cover->find('a.cover-image', 0)->href;
$item['title'] = $cover->find('.title', 0)->innertext;
$item['author'] = $this->getCategoryAuthor($cover);
$item['content'] = '<a href='
. $item['uri']
. '><img src='
. $cover->find('a.cover-image img', 0)->src
. '></a>';
$image = str_replace('.RECTANGLE1', '.LARGE', $cover->find('a.cover-image img', 0)->src);
$item['enclosures'] = [$image];
$this->items[] = $item;
}
}
public function getName() {
if(!is_null($this->getInput('category'))
&& !is_null($this->getInput('filter'))) {
foreach(self::PARAMETERS[$this->queriedContext]['category']['values'] as $key => $value) {
$subcategory = array_search($this->getInput('category'), $value);
if($subcategory !== false)
break;
}
$filter = array_search(
$this->getInput('filter'),
self::PARAMETERS[$this->queriedContext]['filter']['values']
);
return $subcategory . ' (' . $filter . ') - ' . static::NAME;
}
return parent::getName();
}
public function getURI() {
if(!is_null($this->getInput('category'))
&& !is_null($this->getInput('filter'))) {
return $this->uri;
}
return parent::getURI();
}
/**
* Returns a list of categories for development purposes (used to build the
* parameters list)
*/
private function listCategories(){
// Use arbitrary category to receive full list
$html = getSimpleHTMLDOM(self::URI . '/technology/');
foreach($html->find('.channel a') as $channel) {
$name = html_entity_decode(trim($channel->innertext));
// Remove unwanted entities
$name = str_replace("'", '', $name);
$name = str_replace('&#39;', '', $name);
$uri = $channel->href;
$category = explode('/', $uri)[1];
if(!isset($categories)
|| !array_key_exists($category, $categories)
|| !in_array($uri, $categories[$category]))
$categories[$category][$name] = $uri;
}
// Build PHP array manually
foreach($categories as $key => $value) {
$name = ucfirst($key);
echo "'{$name}' => array(\n";
echo "\t'All' => '/{$key}/',\n";
foreach($value as $name => $uri) {
echo "\t'{$name}' => '{$uri}',\n";
}
echo "),\n";
}
die;
}
/**
* Returns the author as anchor for a given cover.
*/
private function getCategoryAuthor($cover) {
return '<a href='
. static::URI . $cover->find('span.author a', 0)->href
. '>'
. $cover->find('span.author a', 0)->innertext
. '</a>';
}
}