themes/default/layouts/shortcodes/pdf.html -> attach.html

Generalize into attach shortcode

2 files changed, 57 insertions, 13 deletions

diff --git a/themes/default/layouts/shortcodes/attach.html b/themes/default/layouts/shortcodes/attach.html
new file mode 100644
index 0000000..c122d75
--- /dev/null
+++ b/themes/default/layouts/shortcodes/attach.html
@@ -0,0 +1,57 @@
+{{- $url     := default "https://www.gutenberg.org/files/98/old/2city12p.pdf" (.Get "url"     | default (.Get 0)) -}}
+{{- $title   := default "Attachment"                                          (.Get "title"   | default (.Get 1)) -}}
+{{- $caption := default $title                                                (.Get "caption" | default (.Get 2)) -}}
+{{- $remote  := default ""                                                    (.Get "remote"  | default (.Get 3)) -}}
+
+{{- $data       := "" -}}
+{{- $cache      := "" -}}
+{{- $type       := "application/octet-stream" -}}
+{{- $author     := .Page.Section -}}
+{{- $immutable  := print $url | anchorize -}}
+{{- $extension  := path.Ext $url -}}
+{{- $fileCache  := print $author "/media/" $immutable $extension -}}
+{{- $notCached  := not (fileExists (path.Join "public/" $fileCache)) -}}
+
+{{- if $notCached -}}
+  {{- with $remote := resources.GetRemote $url -}}
+    {{- with .Err -}}
+      {{- warnf "Attachment fetch %s" . -}}
+      {{- if not (fileExists $fileCache) -}}
+        {{- $caption = "No local attachment data found for source" -}}
+      {{- end -}}
+    {{- else -}}
+      {{- $type = .MediaType -}}
+      {{- $cache = . | resources.Copy $fileCache -}}
+      {{- $cache = $cache.Permalink -}}
+    {{- end -}}
+  {{- else -}}
+    {{- $caption = "No remote attachment data found for source" -}}
+  {{- end -}}
+{{- else -}}
+  {{- with $cache = resources.Get (path.Join "public/" $fileCache) -}}
+    {{- $type = .MediaType -}}
+    {{- $cache = $cache.Content | resources.FromString $fileCache -}}
+    {{- $cache = $cache.Permalink -}}
+  {{- end -}}
+{{- end -}}
+
+{{- $data := $cache -}}
+
+{{- if $remote -}}
+  {{- $data = $url -}}
+{{- end -}}
+
+<document-attachment title="{{ $title }}">
+  <object type="{{ $type }}" data="{{ $data }}">
+    <p>
+      Your browser does not support the <code>{{ $type }}</code> plugin. Here's a
+      <a href="{{ $data }}">link to the file</a> instead.
+    </p>
+  </object>
+  <footer>
+    {{ $caption | markdownify }}
+    <br />
+    Index: {{ with $cache }} {{ print "[Cache](" $cache ")" | markdownify }} &middot; {{ end }}
+    {{ print "[Source](" $url ")" | markdownify }}
+  </footer>
+</document-attachment>
diff --git a/themes/default/layouts/shortcodes/pdf.html b/themes/default/layouts/shortcodes/pdf.html
deleted file mode 100644
index 6c627b5..0000000
--- a/themes/default/layouts/shortcodes/pdf.html
+++ /dev/null
@@ -1,13 +0,0 @@
-{{- $url     := default "https://www.gutenberg.org/files/98/old/2city12p.pdf" (.Get "url"     | default (.Get 0)) -}}
-{{- $title   := default "PDF Document"                                        (.Get "title"   | default (.Get 1)) -}}
-{{- $caption := default (print $title " ([Download](" $url "))")              (.Get "caption" | default (.Get 2)) -}}
-
-<portable-document title="{{ $title }}">
-  <object type="application/pdf" data="{{ $url }}">
-    <p>
-      Your browser does not support a <code>PDF</code> (Portable Document Format)
-      plugin. Here's a <a href="{{ $url }}">link to the PDF file</a> instead.
-    </p>
-  </object>
-  <footer>{{ $caption | markdownify }}</footer>
-</portable-document>