From 9033266c2f02e570658a9505c26b7a438030f664 Mon Sep 17 00:00:00 2001
From: Keith Mo <keith.mork@gmail.com>
Date: Fri, 1 Jun 2018 00:06:14 +0800
Subject: feat(post): add out-of-date content warning (#68)

---
 layouts/partials/post/outdated-info-warning.html | 28 ++++++++++++++++++++++++
 layouts/partials/scripts.html                    | 16 ++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 layouts/partials/post/outdated-info-warning.html

(limited to 'layouts/partials')

diff --git a/layouts/partials/post/outdated-info-warning.html b/layouts/partials/post/outdated-info-warning.html
new file mode 100644
index 0000000..3736c13
--- /dev/null
+++ b/layouts/partials/post/outdated-info-warning.html
@@ -0,0 +1,28 @@
+{{- if or .Params.enableOutdatedInfoWarning (and .Site.Params.outdatedInfoWarning.enable (ne .Params.enableOutdatedInfoWarning false)) }}
+  {{- $daysAgo := div (sub now.Unix .Lastmod.Unix) 86400 }}
+  {{- $hintThreshold := .Site.Params.outdatedInfoWarning.hint | default 30 }}
+  {{- $warnThreshold := .Site.Params.outdatedInfoWarning.warn | default 180 }}
+
+  {{- $updateTime := .Lastmod }}
+  {{- if .GitInfo }}
+    {{- if lt .GitInfo.AuthorDate.Unix .Lastmod.Unix }}
+      {{- $updateTime := .GitInfo.AuthorDate }}
+    {{- end }}
+  {{- end -}}
+
+  {{- if gt $daysAgo $hintThreshold }}
+  <div class="post-outdated">
+    {{- if gt $daysAgo $warnThreshold }}
+    <div class="warn">
+    {{- else }}
+    <div class="hint">
+    {{- end }}
+      <p>{{ T "outdatedInfoWarningBefore" -}}
+        <span class="timeago" datetime="{{ dateFormat "2006-01-02T15:04:05" $updateTime }}" title="{{ dateFormat "January 2, 2006" $updateTime }}">
+        {{- dateFormat "January 2, 2006" $updateTime -}}
+        </span>{{ T "outdatedInfoWarningAfter" -}}
+      </p>
+    </div>
+  </div>
+  {{- end -}}
+{{- end -}}
diff --git a/layouts/partials/scripts.html b/layouts/partials/scripts.html
index b087982..8b2ae94 100644
--- a/layouts/partials/scripts.html
+++ b/layouts/partials/scripts.html
@@ -10,6 +10,22 @@
   {{ if .Site.Params.fancybox }}<script type="text/javascript" src="{{ "lib/fancybox/jquery.fancybox-3.1.20.min.js" | relURL }}"></script>{{ end }}
 {{- end -}}
 
+<!-- timeago.JS -->
+{{- if and (or .Params.enableOutdatedInfoWarning (and .Site.Params.outdatedInfoWarning.enable (ne .Params.enableOutdatedInfoWarning false))) (or .IsPage .IsHome) }}
+  {{- if .Site.Params.publicCDN.enable }}
+  {{ .Site.Params.publicCDN.timeagoJS | safeHTML }}
+  {{ .Site.Params.publicCDN.timeagoLocalesJS | safeHTML }}
+  {{- else }}
+  <script type="text/javascript" src="{{ "lib/timeago/timeago-3.0.2.min.js" | relURL }}"></script>
+  <script type="text/javascript" src="{{ "lib/timeago/timeago.locales-3.0.2.min.js" | relURL }}"></script>
+  {{- end }}
+<script>  // NOTE: timeago.js uses the language code format like "zh_CN" (underscore and case sensitive)
+  var languageCode = {{ .Site.LanguageCode }}.replace(/-/g, '_').replace(/_(.*)/, function ($0, $1) {return $0.replace($1, $1.toUpperCase());});
+  timeago().render(document.querySelectorAll('.timeago'), languageCode);
+  timeago.cancel();  // stop update
+</script>
+{{- end }}
+
 <!-- flowchart -->
 {{- if and (or .Params.flowchartDiagrams.enable (and .Site.Params.flowchartDiagrams.enable (ne .Params.flowchartDiagrams.enable false))) (or .IsPage .IsHome) -}}
 <script>
-- 
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