From 5bcadb7e5e880535416b8e845624f897afcf3384 Mon Sep 17 00:00:00 2001
From: Skial Bainn <skial.bainn@gmail.com>
Date: Wed, 7 May 2014 13:56:17 +0100
Subject: [PATCH] Updated SocialMetadata.hx to be smarter depending on the
 contents of the html file, to do with issue
 https://github.com/skial/haxe.io/issues/24

---
 all.hxml                               |  1 +
 src/uhx/tuli/plugins/SocialMetadata.hx | 29 ++++++++++++++++++++++++--
 2 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/all.hxml b/all.hxml
index 652ae8c..ec6c90d 100644
--- a/all.hxml
+++ b/all.hxml
@@ -4,6 +4,7 @@
 -lib beanhx
 -lib tjson
 -lib selecthxml
+-lib imagemagick
 -debug
 #-dce no
 -cp src
diff --git a/src/uhx/tuli/plugins/SocialMetadata.hx b/src/uhx/tuli/plugins/SocialMetadata.hx
index 20700d9..9b7e276 100644
--- a/src/uhx/tuli/plugins/SocialMetadata.hx
+++ b/src/uhx/tuli/plugins/SocialMetadata.hx
@@ -1,5 +1,6 @@
 package uhx.tuli.plugins;
 
+import haxe.imagemagick.Imagick;
 import sys.io.File;
 import uhx.sys.Tuli;
 
@@ -60,8 +61,6 @@ class SocialMetadata {
 				}
 			}
 			
-			var url = dom.find('meta[property="og:url"]');
-			
 			for (title in titles) {
 				title.setAttr('content', dom.find('title').text());
 			}
@@ -75,6 +74,32 @@ class SocialMetadata {
 				}
 			}
 			
+			var img = 'img/skial.jpg';
+			var alt = dom.find('img[alt*="social"]');
+			var cardType = 'summary';
+			
+			var images = [];
+			for (id in ['property', 'name']) {
+				for (meta in dom.find('meta[$id*="image"]')) {
+					if (meta.attr('content') == '') images.push( meta );
+				}
+			}
+			
+			if (alt.length > 0) {
+				img = alt.first().attr('src');
+				var data = new Imagick('${Tuli.config.input}/$img'.normalize());
+				if (data.width >= 280 && data.height >= 150) {
+					dom.find('meta[name="twitter:image"]').setAttr('name', 'twitter:image:src');
+					cardType = 'summary_large_image';
+				}
+			}
+			
+			dom.find('meta[name="twitter:card"]').setAttr('content', cardType);
+			
+			for (image in images) image.setAttr('content', 'http://haxe.io/$img'.normalize());
+			
+			var url = dom.find('meta[property="og:url"]');
+			
 			if (url.length > 0) {
 				var path = 'http://haxe.io/$file'.normalize();
 				if (path.endsWith('index.html')) path = path.directory().addTrailingSlash();