[core] Support for bridge maintainers' donation URLs (#2102)

10 files changed, 61 insertions, 3 deletions

diff --git a/actions/DisplayAction.php b/actions/DisplayAction.php
index 16a67d54..5db92b38 100644
--- a/actions/DisplayAction.php
+++ b/actions/DisplayAction.php
@@ -151,6 +151,7 @@ class DisplayAction extends ActionAbstract {
 				$infos = array(
 					'name' => $bridge->getName(),
 					'uri'  => $bridge->getURI(),
+					'donationUri'  => $bridge->getDonationURI(),
 					'icon' => $bridge->getIcon()
 				);
 			} catch(Error $e) {
diff --git a/actions/ListAction.php b/actions/ListAction.php
index 92aef0e0..f3509564 100644
--- a/actions/ListAction.php
+++ b/actions/ListAction.php
@@ -39,6 +39,7 @@ class ListAction extends ActionAbstract {
 			$list->bridges[$bridgeName] = array(
 				'status' => $status,
 				'uri' => $bridge->getURI(),
+				'donationUri' => $bridge->getDonationURI(),
 				'name' => $bridge->getName(),
 				'icon' => $bridge->getIcon(),
 				'parameters' => $bridge->getParameters(),
diff --git a/config.default.ini.php b/config.default.ini.php
index 7d0bdaaa..06600892 100644
--- a/config.default.ini.php
+++ b/config.default.ini.php
@@ -29,6 +29,13 @@ custom_timeout = false
 ; ""    = Disabled (default)
 email = ""
 
+; Show Donation information for bridges if available.
+; This will display a 'Donate' link on the bridge view
+; and a "Donate" button in the HTML view of the bridges feed.
+; true  = enabled (default)
+; false = disabled
+donations = true
+
 [proxy]
 
 ; Sets the proxy url (i.e. "tcp://192.168.0.0:32")
diff --git a/formats/HtmlFormat.php b/formats/HtmlFormat.php
index ee60418d..86d0657d 100644
--- a/formats/HtmlFormat.php
+++ b/formats/HtmlFormat.php
@@ -6,6 +6,8 @@ class HtmlFormat extends FormatAbstract {
 		$extraInfos = $this->getExtraInfos();
 		$title = htmlspecialchars($extraInfos['name']);
 		$uri = htmlspecialchars($extraInfos['uri']);
+		$donationUri = htmlspecialchars($extraInfos['donationUri']);
+		$donationsAllowed = Configuration::getConfig('admin', 'donations');
 
 		// Dynamically build buttons for all formats (except HTML)
 		$formatFac = new FormatFactory();
@@ -26,6 +28,17 @@ class HtmlFormat extends FormatAbstract {
 			$links .= $this->buildLink($format, $query, $mime) . PHP_EOL;
 		}
 
+		if($donationUri !== '' && $donationsAllowed) {
+			$buttons .= '<a href="'
+						. $donationUri
+						. '" target="_blank"><button class="highlight">Donate to maintainer</button></a>'
+						. PHP_EOL;
+			$links .= '<link href="'
+						. $donationUri
+						. ' target="_blank"" title="Donate to Maintainer" rel="alternate">'
+						. PHP_EOL;
+		}
+
 		$entries = '';
 		foreach($this->getItems() as $item) {
 			$entryAuthor = $item->getAuthor() ? '<br /><p class="author">by: ' . $item->getAuthor() . '</p>' : '';
diff --git a/lib/BridgeAbstract.php b/lib/BridgeAbstract.php
index 6158e3b9..917f5fec 100644
--- a/lib/BridgeAbstract.php
+++ b/lib/BridgeAbstract.php
@@ -41,6 +41,13 @@ abstract class BridgeAbstract implements BridgeInterface {
 	const URI = '';
 
 	/**
+	 * Donation URI to the site the bridge is intended to be used for.
+	 *
+	 * Use {@see BridgeAbstract::getDonationURI()} to read this parameter
+	 */
+	const DONATION_URI = '';
+
+	/**
 	 * A brief description of what the bridge can do
 	 *
 	 * Use {@see BridgeAbstract::getDescription()} to read this parameter
@@ -342,6 +349,11 @@ abstract class BridgeAbstract implements BridgeInterface {
 	}
 
 	/** {@inheritdoc} */
+	public function getDonationURI(){
+		return static::DONATION_URI;
+	}
+
+	/** {@inheritdoc} */
 	public function getCacheTimeout(){
 		return static::CACHE_TIMEOUT;
 	}
diff --git a/lib/BridgeCard.php b/lib/BridgeCard.php
index 7bb758d5..9eb4c390 100644
--- a/lib/BridgeCard.php
+++ b/lib/BridgeCard.php
@@ -301,6 +301,10 @@ This bridge is not fetching its content through a secure connection</div>';
 		$icon = $bridge->getIcon();
 		$description = $bridge->getDescription();
 		$parameters = $bridge->getParameters();
+		$donationUri = $bridge->getDonationURI();
+		$maintainer = $bridge->getMaintainer();
+
+		$donationsAllowed = Configuration::getConfig('admin', 'donations');
 
 		if(defined('PROXY_URL') && PROXY_BYBRIDGE) {
 			$parameters['global']['_noproxy'] = array(
@@ -332,7 +336,6 @@ CARD;
 		// Display form with cache timeout and/or noproxy options (if enabled) when bridge has no parameters
 		} else if (count($parameters) === 1 && array_key_exists('global', $parameters)) {
 			$card .= self::getForm($bridgeName, $formats, $isActive, $isHttps, '', $parameters['global']);
-
 		} else {
 
 			foreach($parameters as $parameterName => $parameter) {
@@ -351,7 +354,11 @@ CARD;
 		}
 
 		$card .= '<label class="showless" for="showmore-' . $bridgeName . '">Show less</label>';
-		$card .= '<p class="maintainer">' . $bridge->getMaintainer() . '</p>';
+		if($donationUri !== '' && $donationsAllowed) {
+			$card .= '<p class="maintainer">' . $maintainer . ' ~ <a href="' . $donationUri . '">Donate</a></p>';
+		} else {
+			$card .= '<p class="maintainer">' . $maintainer . '</p>';
+		}
 		$card .= '</section>';
 
 		return $card;
diff --git a/lib/BridgeInterface.php b/lib/BridgeInterface.php
index e9309dbf..70625125 100644
--- a/lib/BridgeInterface.php
+++ b/lib/BridgeInterface.php
@@ -121,6 +121,13 @@ interface BridgeInterface {
 	public function getURI();
 
 	/**
+	 * Returns the bridge Donation URI
+	 *
+	 * @return string Bridge Donation URI
+	 */
+	public function getDonationURI();
+
+	/**
 	 * Returns the cache timeout
 	 *
 	 * @return int Cache timeout
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 613089ab..7ab8294f 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -198,6 +198,9 @@ final class Configuration {
 		&& !filter_var(self::getConfig('admin', 'email'), FILTER_VALIDATE_EMAIL))
 			self::reportConfigurationError('admin', 'email', 'Is not a valid email address');
 
+		if(!is_bool(self::getConfig('admin', 'donations')))
+		self::reportConfigurationError('admin', 'donations', 'Is not a valid Boolean');
+
 		if(!is_string(self::getConfig('error', 'output')))
 			self::reportConfigurationError('error', 'output', 'Is not a valid String');
 
diff --git a/lib/FormatAbstract.php b/lib/FormatAbstract.php
index 5c4b87f9..29e86cb4 100644
--- a/lib/FormatAbstract.php
+++ b/lib/FormatAbstract.php
@@ -140,7 +140,7 @@ abstract class FormatAbstract implements FormatInterface {
 	 * @param array $extraInfos {@inheritdoc}
 	 */
 	public function setExtraInfos(array $extraInfos = array()){
-		foreach(array('name', 'uri', 'icon') as $infoName) {
+		foreach(array('name', 'uri', 'icon', 'donationUri') as $infoName) {
 			if(!isset($extraInfos[$infoName])) {
 				$extraInfos[$infoName] = '';
 			}
diff --git a/static/HtmlFormat.css b/static/HtmlFormat.css
index 4ebc79e9..77df1296 100644
--- a/static/HtmlFormat.css
+++ b/static/HtmlFormat.css
@@ -96,6 +96,13 @@ html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockq
  button:hover {
 	background: #49afff;
 }
+ button.highlight {
+	background: #ff6600;
+}
+ button.highlight:hover {
+	background: #ff8a3b;
+}
+
 
 @media screen and (max-width: 767px) {