From 7e8b6f90de4c0d68f1f0140190abf772c0ad9c2a Mon Sep 17 00:00:00 2001
From: Denys Konovalov <kontakt@denyskon.de>
Date: Tue, 21 Feb 2023 20:33:47 +0100
Subject: [PATCH] =?UTF-8?q?Templates=20f=C3=BCr=20Vorschaubilder=20aktuali?=
 =?UTF-8?q?siert?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .gitignore                      |  1 +
 layouts/partials/head.html      |  4 +--
 layouts/partials/opengraph.html | 47 +++++++++++++++++++++++++++++++++
 layouts/partials/twitter.html   | 29 ++++++++++++++++++++
 4 files changed, 79 insertions(+), 2 deletions(-)
 create mode 100644 layouts/partials/opengraph.html
 create mode 100644 layouts/partials/twitter.html

diff --git a/.gitignore b/.gitignore
index bf276b2f..9f9bf715 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .hugo_build.lock
 resources/
+public/
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 276fd677..af6ba4a8 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -38,7 +38,7 @@
   </script>
   <!-- End Matomo Code -->
 
-  {{ template "_internal/opengraph.html" . }}
-  {{ template "_internal/twitter_cards.html" . }}
+  {{ partial "opengraph" . }}
+  {{ partial "twitter" . }}
 
 </head>
diff --git a/layouts/partials/opengraph.html b/layouts/partials/opengraph.html
new file mode 100644
index 00000000..7192a966
--- /dev/null
+++ b/layouts/partials/opengraph.html
@@ -0,0 +1,47 @@
+<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 -}}
+{{- $images := $.Resources.ByType "image" -}}
+{{- $featured := $images.GetMatch "*feature*" -}}
+{{- if not $featured }}{{ $featured = $images.GetMatch "{*cover*,*thumbnail*}" }}{{ end -}}
+{{- with $featured -}}
+<meta property="og:image" content="{{ $featured.Permalink }}"/>
+{{- else -}}
+{{- with $.Params.image -}}
+<meta property="og:image" content="{{ . | absURL }}"/>
+{{- else -}}
+{{- with $.Site.Params.images }}<meta property="og:image" content="{{ index . 0 | absURL }}"/>{{ end -}}
+{{- 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 }}
+{{- if $siteSeries }}
+{{ 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 }}
+{{- end }}
\ No newline at end of file
diff --git a/layouts/partials/twitter.html b/layouts/partials/twitter.html
new file mode 100644
index 00000000..317106e6
--- /dev/null
+++ b/layouts/partials/twitter.html
@@ -0,0 +1,29 @@
+{{- with $.Params.images -}}
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:image" content="{{ index . 0 | absURL }}"/>
+{{ else -}}
+{{- $images := $.Resources.ByType "image" -}}
+{{- $featured := $images.GetMatch "*feature*" -}}
+{{- if not $featured }}{{ $featured = $images.GetMatch "{*cover*,*thumbnail*}" }}{{ end -}}
+{{- with $featured -}}
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:image" content="{{ $featured.Permalink }}"/>
+{{- else -}}
+{{- with $.Params.image -}}
+<meta name="twitter:card" content="summary_large_image"/>
+<meta name="twitter:image" content="{{ . | absURL }}"/>
+{{- 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 -}}
+{{- 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 -}}
\ No newline at end of file