Implement default social sharing image

If the value for the social image starts with “http” it will NOT prepend the homepage to it.

Fixes #17

3 files changed, 17 insertions, 5 deletions

diff --git a/layouts/partials/head/seo/open_graph.html b/layouts/partials/head/seo/open_graph.html
index 3d63152..f27cc38 100644
--- a/layouts/partials/head/seo/open_graph.html
+++ b/layouts/partials/head/seo/open_graph.html
@@ -4,7 +4,11 @@
 <meta property="og:type" content="{{ if .Params.type }}{{ .Params.type }}{{ else }}website{{ end }}" />
 <meta property="og:url" content="{{ .Permalink }}" />
 {{ with .Params.images }}{{ range first 1 . }}
-	<meta property="og:image" content="{{ . }}" />
+  {{ if (eq (slicestr . 0 4) "http") }}
+	 <meta property="og:image" content="{{ . }}" file= {{ slicestr . 0 4 }}/>
+  {{ else }}
+    <meta property="og:image" content="{{ $.Site.Params.homepage}}{{ . }}" />
+  {{ end }}
 {{ end }}{{ end }}
 
 <!-- Optional Open Graph Markup -->
diff --git a/layouts/partials/head/seo/schema.html b/layouts/partials/head/seo/schema.html
index e348834..01698b2 100644
--- a/layouts/partials/head/seo/schema.html
+++ b/layouts/partials/head/seo/schema.html
@@ -4,7 +4,11 @@
 
 <!-- Output images -->
 {{ with .Params.images }}{{ range first 6 . }}
-	<meta itemprop="image" content="{{ . }}">
+  {{ if (eq (slicestr . 0 4) "http") }}
+	 <meta itemprop="image" content="{{ . }}">
+  {{ else }}
+    <meta itemprop="image" content="{{ $.Site.Params.homepage}}{{ . }}">
+  {{ end }}
 {{ end }}{{ end }}
 
 <!-- Output all taxonomies as schema.org keywords -->
@@ -12,4 +16,4 @@
 
 {{if .IsPage}}
 <meta itemprop="wordCount" content="{{ .WordCount }}">
-{{ end }}
\ No newline at end of file
+{{ end }}
diff --git a/layouts/partials/head/seo/twitter_cards.html b/layouts/partials/head/seo/twitter_cards.html
index 876f583..d18919b 100644
--- a/layouts/partials/head/seo/twitter_cards.html
+++ b/layouts/partials/head/seo/twitter_cards.html
@@ -1,7 +1,11 @@
 {{ with .Params.images }}
 <!-- Twitter summary card with large image must be at least 280x150px -->
 	<meta name="twitter:card" content="summary_large_image"/>
-	<meta name="twitter:image:src" content="{{ index . 0 }}"/>
+  {{ if (eq (slicestr (index . 0) 0 4) "http") }}
+    <meta name="twitter:image:src" content="{{ index . 0 }}"/>
+  {{ else }}
+	 <meta name="twitter:image:src" content="{{ $.Site.Params.homepage}}{{ index . 0 }}"/>
+  {{ end }}
 {{ else }}
 	<meta name="twitter:card" content="summary"/>
 {{ end }}
@@ -14,4 +18,4 @@
 {{ if isset .Params "author" }}
 	{{ $author := index .Site.Params.authors .Params.author }}
 	{{ with $author.twitter }}<meta name="twitter:creator" content="@{{ $author.twitter }}"/>{{ end }}
-{{ end }}
\ No newline at end of file
+{{ end }}