Add the series to the content header

layouts/partials/content_header.html

@@ -0,0 +1,18 @@
+<header>
+  {{ partial "development/draft_tag.html" . }}
+  <div class="post-title">
+    <h1>{{ .Title }}</h1>
+    {{ if not (eq .Type "page") }}
+      <div class="post-date"><time>{{ .Date | time.Format "January 2, 2006" }}</time></div>
+    {{ end }}
+  </div>
+  {{- if .Params.series -}}
+    {{- $series := .GetTerms "series" -}}
+    {{- if gt (len $series) 1 -}}
+      {{- errorf "More than one series for %s" .Permalink -}}
+    {{- end -}}
+    {{- with index $series 0 -}}
+      <span class="series"><a href="{{ .Permalink }}">{{ .Title }}</a></span>
+    {{- end -}}
+  {{- end -}}
+</header>

layouts/partials/single_main.html

@@ -1,12 +1,4 @@
-  <header>
-    {{ partial "development/draft_tag.html" . }}
-    <div class="post-title">
-      <h1>{{ .Title }}</h1>
-      {{ if not (eq .Type "page") }}
-      <div class="post-date"><time>{{ .Date | time.Format "January 2, 2006" }}</time></div>
-      {{ end }}
-    </div>
-  </header>
+{{ partial "content_header.html" . }}
 
   <section class="post-content">
     {{ .Content }}

layouts/photos/single.html

@@ -5,15 +5,9 @@
 {{ define "main" }}
 <nav><a class="back" href="{{ ref . `photos` }}">Back</a></nav>
 
-{{ if .Title }}
-<header>
-  {{ partial "development/draft_tag.html" . }}
-  <div class="post-title">
-    <h1 {{ with .Params.langs.title }}lang="{{ . }}"{{ end }}>{{ .Title }}</h1>
-    <div class="post-date"><time>{{ .Date | time.Format "January 2, 2006" }}</time></div>
-  </div>
-</header>
-{{ end }}
+{{- if .Title -}}
+  {{ partial "content_header.html" . }}
+{{- end -}}
 
 {{ $photos := .Resources.ByType "image" }}
 {{ if eq (len $photos) 0 }}