Verbeteren zaken rondom social media (OpenGraph, Twitter, etc)

themes/nluug/layouts/partials/head.html

@@ -5,12 +5,12 @@
     <title>{{ if eq .IsHome true }}{{ .Site.Title }}{{ else }}{{ .Title }} | {{ .Site.Title }}{{ end }}</title>
     <meta name="description" content="{{ if ne .Description "" }}{{ .Description }}{{ else }}{{ .Site.Params.description }}{{ end }}">
     <!-- Social media -->
-    {{ template "_internal/opengraph.html" . }}
+    {{ partial "opengraph/opengraph.html" . }}
-    {{ template "_internal/twitter_cards.html" . }}
+    {{ partial "opengraph/twitter_cards.html" . }}
     <link rel="canonical" href="{{ .Permalink }}">
     <link rel="icon" href="{{ absURL "assets/favicon.ico" }}">
-    <link rel="alternate" type="application/atom+xml" title="{{ .Site.Title }}" href="{{ absURL "atom.xml" }}" />
+    <link rel="alternate" type="application/atom+xml" title="{{ .Site.Title }}" href="{{ absURL "atom.xml" }}">
-    <link rel="alternate" type="application/json" title="{{ .Site.Title }}" href="{{ absURL "feed.json" }}" />
+    <link rel="alternate" type="application/json" title="{{ .Site.Title }}" href="{{ absURL "feed.json" }}">
     <link rel="shortcut icon" type="image/png" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNk+A8AAQUBAScY42YAAAAASUVORK5CYII=">
     {{ partialCached "style.html" . }}
 

themes/nluug/layouts/partials/opengraph/get-featured-image.html

@@ -0,0 +1,24 @@
+{{ $images := $.Resources.ByType "image" }}
+{{ $featured := $images.GetMatch "*feature*" }}
+{{ if not $featured }}{{ $featured = $images.GetMatch "{*cover*,*thumbnail*}" }}{{ end }}
+{{ if not $featured }}
+    {{ $featured = resources.Get "/opengraph/background.png" }}
+    {{ $size := 80 }}
+    {{ $title := $.LinkTitle }}
+    {{ if gt (len $title) 20 }}
+    {{ $size = 70 }}
+    {{ end }}
+
+    {{ $text := $title }}
+                {{ $textOptions := dict 
+                    "color" "#1D3160"
+                    "size" $size
+                    "lineSpacing" 10
+                    "x" 65 "y" 80
+                    "font" (resources.Get "/opengraph/mulish-black.ttf")
+                }}
+
+    {{ $featured = $featured | images.Filter (images.Text $text $textOptions) }}
+{{ end }}
+
+{{ return $featured }}

themes/nluug/layouts/partials/opengraph/opengraph.html

@@ -0,0 +1,42 @@
+<meta property="og:title" content="{{ .Title }}">
+<meta property="og:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{ with .Site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end }}">
+<meta property="og:type" content="{{ if .IsPage }}article{{ else }}website{{ end }}">
+<meta property="og:url" content="{{ .Permalink }}">
+
+{{- with $.Params.images -}}
+{{- range first 6 . }}<meta property="og:image" content="{{ . | absURL }}">{{ end -}}
+{{- else -}}
+{{- $featured := partial "opengraph/get-featured-image.html" . }}
+{{- with $featured -}}
+<meta property="og:image" content="{{ $featured.Permalink }}">
+{{- else -}}
+{{- with $.Site.Params.images }}<meta property="og:image" content="{{ index . 0 | absURL }}">{{ end -}}
+{{- end -}}
+{{- end -}}
+
+{{- if .IsPage }}
+{{- $iso8601 := "2006-01-02T15:04:05-07:00" -}}
+<meta property="article:section" content="{{ .Section }}">
+{{ with .PublishDate }}<meta property="article:published_time" {{ .Format $iso8601 | printf "content=%q" | safeHTMLAttr }}>{{ end }}
+{{ with .Lastmod }}<meta property="article:modified_time" {{ .Format $iso8601 | printf "content=%q" | safeHTMLAttr }}>{{ end }}
+{{- end -}}
+
+{{- with .Params.audio }}<meta property="og:audio" content="{{ . }}">{{ end }}
+{{- with .Params.locale }}<meta property="og:locale" content="{{ . }}">{{ end }}
+{{- with .Site.Params.title }}<meta property="og:site_name" content="{{ . }}">{{ end }}
+{{- with .Params.videos }}{{- range . }}
+<meta property="og:video" content="{{ . | absURL }}">
+{{ end }}{{ end }}
+
+{{- /* If it is part of a series, link to related articles */}}
+{{- $permalink := .Permalink }}
+{{- $siteSeries := .Site.Taxonomies.series }}
+{{ with .Params.series }}{{- range $name := . }}
+  {{- $series := index $siteSeries ($name | urlize) }}
+  {{- range $page := first 6 $series.Pages }}
+    {{- if ne $page.Permalink $permalink }}<meta property="og:see_also" content="{{ $page.Permalink }}">{{ end }}
+  {{- end }}
+{{ end }}{{ end }}
+
+{{- /* Facebook Page Admin ID for Domain Insights */}}
+{{- with .Site.Social.facebook_admin }}<meta property="fb:admins" content="{{ . }}">{{ end }}

themes/nluug/layouts/partials/opengraph/twitter_cards.html

@@ -0,0 +1,22 @@
+{{- with $.Params.images -}}
+<meta name="twitter:card" content="summary_large_image">
+<meta name="twitter:image" content="{{ index . 0 | absURL }}">
+{{ else -}}
+{{- $featured := partial "opengraph/get-featured-image.html" . }}
+{{- with $featured -}}
+<meta name="twitter:card" content="summary_large_image">
+<meta name="twitter:image" content="{{ $featured.Permalink }}">
+{{- else -}}
+{{- with $.Site.Params.images -}}
+<meta name="twitter:card" content="summary_large_image">
+<meta name="twitter:image" content="{{ index . 0 | absURL }}">
+{{ else -}}
+<meta name="twitter:card" content="summary"/>
+{{- end -}}
+{{- end -}}
+{{- end }}
+<meta name="twitter:title" content="{{ .Title }}">
+<meta name="twitter:description" content="{{ with .Description }}{{ . }}{{ else }}{{if .IsPage}}{{ .Summary }}{{ else }}{{ with .Site.Params.description }}{{ . }}{{ end }}{{ end }}{{ end -}}">
+{{ with .Site.Social.twitter -}}
+<meta name="twitter:site" content="@{{ . }}">
+{{ end -}}