Added ElloBridge. Closes #683

bridges/ElloBridge.php

@@ -0,0 +1,146 @@
+<?php
+class ElloBridge extends BridgeAbstract {
+
+	const MAINTAINER = 'teromene';
+	const NAME = 'Ello Bridge';
+	const URI = 'https://ello.co/';
+	const CACHE_TIMEOUT = 4800; //2hours
+	const DESCRIPTION = 'Returns the newest posts for Ello';
+
+	const PARAMETERS = array(
+		'By User' => array(
+			'u' => array(
+				'name' => 'Username',
+				'required' => true,
+				'title' => 'Username'
+			)
+		),
+		'Search' => array(
+			's' => array(
+				'name' => 'Search',
+				'required' => true,
+				'title' => 'Search'
+			)
+		)
+	);
+
+	public function collectData() {
+
+		$header = array(
+			'Authorization: Bearer ' . $this->getAPIKey()
+		);
+
+		if(!empty($this->getInput('u'))) {
+			$postData = getContents(self::URI . 'api/v2/users/~' . $this->getInput('u') . '/posts', $header) or
+				returnServerError('Unable to query Ello API.');
+		} else {
+			$postData = getContents(self::URI . 'api/v2/posts?terms=' . $this->getInput('s'), $header) or
+				returnServerError('Unable to query Ello API.');
+		}
+
+		$postData = json_decode($postData);
+		$count = 0;
+		foreach($postData->posts as $post) {
+
+			$item = array();
+			$item['author'] = $this->getUsername($post, $postData);
+			$item['timestamp'] = strtotime($post->created_at);
+			$item['title'] = $this->findText($post->summary);
+			$item['content'] = $this->getPostContent($post->body);
+			$item['enclosures'] = $this->getEnclosures($post, $postData);
+			$content = $post->body;
+
+			$this->items[] = $item;
+			$count += 1;
+
+		}
+
+	}
+
+	public function findText($path) {
+
+		foreach($path as $summaryElement) {
+
+			if($summaryElement->kind == 'text') {
+				return $summaryElement->data;
+			}
+
+		}
+
+		return '';
+
+	}
+
+	public function getPostContent($path) {
+
+		$content = '';
+		foreach($path as $summaryElement) {
+
+			if($summaryElement->kind == 'text') {
+				$content .= $summaryElement->data;
+			} elseif ($summaryElement->kind == 'image') {
+				$alt = '';
+				if(property_exists($summaryElement->data, 'alt')) {
+					$alt = $summaryElement->data->alt;
+				}
+				$content .= '<img src="' . $summaryElement->data->url . '" alt="' . $alt . '" />';
+			}
+
+		}
+
+		return $content;
+
+	}
+
+	public function getEnclosures($post, $postData) {
+
+		$assets = [];
+		foreach($post->links->assets as $asset) {
+			foreach($postData->linked->assets as $assetLink) {
+				if($asset == $assetLink->id) {
+					$assets[] = $assetLink->attachment->original->url;
+					break;
+				}
+			}
+		}
+
+		return $assets;
+
+	}
+
+	public function getUsername($post, $postData) {
+
+		foreach($postData->linked->users as $user) {
+			if($user->id == $post->links->author->id) {
+				return $user->username;
+			}
+		}
+
+	}
+
+	public function getAPIKey() {
+		$cache = Cache::create('FileCache');
+		$cache->setPath(CACHE_DIR);
+		$cache->setParameters(['key']);
+		$key = $cache->loadData();
+
+		if($key == null) {
+			$keyInfo = getContents(self::URI . 'api/webapp-token') or
+				returnServerError('Unable to get token.');
+			$key = json_decode($keyInfo)->token->access_token;
+			$cache->saveData($key);
+		}
+
+		return $key;
+
+	}
+
+	public function getName(){
+		if(!is_null($this->getInput('u'))) {
+			return $this->getInput('u') . ' - Ello Bridge';
+		}
+
+		return parent::getName();
+	}
+
+}