themes/default/layouts/partials/function: Start unified image caching interface

1 files changed, 30 insertions, 0 deletions

diff --git a/themes/default/layouts/partials/function-caches-images.html b/themes/default/layouts/partials/function-caches-images.html
new file mode 100644
index 0000000..b0428e2
--- /dev/null
+++ b/themes/default/layouts/partials/function-caches-images.html
@@ -0,0 +1,30 @@
+{{- $source       := .Source -}}
+{{- $file         := .File -}}
+{{- $404image     := resources.Get "data/media/404.png" -}}
+{{- $data         := $404image.RelPermalink -}}
+{{- $type         := or .Type "png" -}}
+{{- $dimensions   := or .Dimensions "300x300" -}}
+{{- $prefixSource := or .PrefixSource "/" -}}
+{{- $prefixCopy   := or .PrefixCopy "/" -}}
+{{- $copy         := print $prefixCopy "favicon." $file "." $type -}}
+{{- $cached       := fileExists (print "public/" $copy) -}}
+
+{{- if $cached -}}
+  {{- with $image := resources.Get (print "public/" $copy) -}}
+    {{- $image = .Content | resources.FromString (print $prefixSource ($image | urlize)) -}}
+    {{- $data = $image.RelPermalink -}}
+  {{- end -}}
+{{- else -}}
+  {{- with $image := resources.GetRemote $source -}}
+    {{- with .Err -}}
+      {{- warnf "%s" . -}}
+    {{- else -}}
+      {{- $image = .Content | resources.FromString (print $prefixSource ($image | urlize)) -}}
+      {{- $image = $image.Fit (print $dimensions " " $type) -}}
+      {{- $image = $image | resources.Copy $copy -}}
+      {{- $data  = $image.RelPermalink -}}
+    {{- end -}}
+  {{- end -}}
+{{- end -}}
+
+{{- return $data -}}