From e8614d96f44c290224ae65a2dd029acdff1d3c74 Mon Sep 17 00:00:00 2001
From: Serghei Iakovlev <egrep@protonmail.ch>
Date: Sun, 5 Jun 2022 14:50:21 +0200
Subject: Provided initial support os schema.org microdata

---
 CHANGELOG.md                                |  2 +
 exampleSite/config.toml                     |  5 +++
 layouts/_default/list.json.json             |  4 +-
 layouts/partials/head.html                  |  1 +
 layouts/partials/schema.org/article.html    | 65 +++++++++++++++++++++++++++++
 layouts/partials/schema.org/website.html    | 10 +++++
 layouts/partials/templates/schema_json.html |  5 +++
 7 files changed, 90 insertions(+), 2 deletions(-)
 create mode 100644 layouts/partials/schema.org/article.html
 create mode 100644 layouts/partials/schema.org/website.html
 create mode 100644 layouts/partials/templates/schema_json.html

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f6ffd40..debdd05 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add tagging support
 - Provide ability to hide particular page from the sitemap by using
   `private: true` in front matter
+- Provided initial support os schema.org microdata for the site
+  and for the posts
 
 ### Changed
 
diff --git a/exampleSite/config.toml b/exampleSite/config.toml
index 1141174..5ef6fe6 100644
--- a/exampleSite/config.toml
+++ b/exampleSite/config.toml
@@ -176,6 +176,11 @@ disableKinds = ['RSS']
     logo = '/img/open-graph-logo.png' # Logo image, relative to ./assets
     disable_fingerprinting = false
 
+  [params.seo]
+    # Will be used in schema.org/Organization.
+    # The site.Title  will be used if empty.
+    publisher = 'Serghei Iakovlev'
+
 [social]
   # Facebook Page Admin ID for Domain Insights
   facebook_admin = ''
diff --git a/layouts/_default/list.json.json b/layouts/_default/list.json.json
index 70ea7a4..f6b89cc 100644
--- a/layouts/_default/list.json.json
+++ b/layouts/_default/list.json.json
@@ -16,7 +16,7 @@
 
 {
   "version": "https://jsonfeed.org/version/1.1",
-  "title": {{ (printf "%s" (partial "title.html" .)) | htmlUnescape | jsonify }},
+  "title": {{ (partial "title.html" .) | htmlUnescape | jsonify }},
   "home_page_url": {{ printf "%s?utm_source=json_feed" site.BaseURL  | absURL | jsonify }},
   {{ with .OutputFormats.Get "JSON" }}"feed_url": {{ .Permalink | absURL | jsonify }},{{ end }}
   {{ with site.Params.description}}"description": {{ site.Params.description | jsonify }},{{ end }}
@@ -39,6 +39,6 @@
       "date_published": {{ .PublishDate.Format "2006-01-02T15:04:05Z07:00" | jsonify  }}{{ if ne .Date .Lastmod }},
       "date_modified" : {{ .Lastmod.Format "2006-01-02T15:04:05Z07:00" | jsonify }}{{ end }}
     }
-    {{- end}}
+    {{- end }}
   ]
 }
diff --git a/layouts/partials/head.html b/layouts/partials/head.html
index 39e3255..00a5f82 100644
--- a/layouts/partials/head.html
+++ b/layouts/partials/head.html
@@ -33,4 +33,5 @@
     {{- /* Misc */}}
     {{ template "partials/templates/opengraph.html" . }}
     {{ template "partials/templates/twitter_cards.html" . }}
+    {{ template "partials/templates/schema_json.html" . }}
 </head>
diff --git a/layouts/partials/schema.org/article.html b/layouts/partials/schema.org/article.html
new file mode 100644
index 0000000..ff1558b
--- /dev/null
+++ b/layouts/partials/schema.org/article.html
@@ -0,0 +1,65 @@
+{{- /* Get schema type. */}}
+{{ $schemaType := "Article" }}
+{{ if or (eq .Type "post") (eq .Type "posts") }}
+  {{ $schemaType = "BlogPosting" }}
+{{ end -}}
+
+{{- $publisher := site.Params.seo.publisher | default site.Title }}
+{{ $logo := resources.Get (site.Params.assets.logo | default "/img/open-graph-logo.png") }}
+{{ $logo = $logo.Resize "96x96" -}}
+
+<script type="application/ld+json">
+    {
+        "@context": "https://schema.org",
+        "@type": {{ $schemaType }},
+        "mainEntityOfPage": {
+            "@type": "WebPage",
+            "@id": {{ .Permalink }}
+        },
+        "headline": {{ partial "title.html" . | htmlUnescape }},{{ if .Params.featured_image }}
+        {{ $image := .Resources.GetMatch .Params.featured_image -}}
+        "image": [
+            {{ $image.Permalink }}
+        ],{{ end }}
+        "datePublished": {{ .Date.Format "2006-01-02T15:04:05Z07:00" }},
+        "dateModified": {{ .Lastmod.Format "2006-01-02T15:04:05Z07:00" }},
+        {{- if .Params.author }}
+            {{- $authorType := (printf "%T" .Params.author) }}
+            {{- if eq $authorType "string" }}
+                "author": {
+                    "@type": "Person",
+                    "name": {{ .Params.author }}
+                },
+            {{- else if eq $authorType "[]string" }}
+                "author": [
+                    {{ range $i, $author := .Params.author }}{{ if $i }},{{ end }}
+                    {
+                        "@type": "Person",
+                        "name": {{ $author }}
+                    }{{ end }}
+                ],
+            {{- end }}
+        {{- else }}
+            {{- with site.Author.name }}
+                "author": {
+                    "@type": "Person",
+                    "name": {{ . }}
+                    {{ with site.Author.twitter }},
+                        "url": "https://twitter.com/{{ . }}"
+                    {{ end }}
+                },
+            {{- end }}
+        {{- end }}
+        "publisher": {
+            "@type": "Organization",
+            "name": {{ $publisher }},
+            "logo": {
+                "@type": "ImageObject",
+                "url": {{ $logo.Permalink | absURL }}
+            }
+        },
+        "description": {{ partial "description.html" . }}
+    }
+</script>
+
+
diff --git a/layouts/partials/schema.org/website.html b/layouts/partials/schema.org/website.html
new file mode 100644
index 0000000..ef6609e
--- /dev/null
+++ b/layouts/partials/schema.org/website.html
@@ -0,0 +1,10 @@
+<script type="application/ld+json">
+    {
+        "@context": "https://schema.org",
+        "@type": "WebSite",
+        "name": {{ partial "title.html" . }},
+        "url": {{ site.BaseURL }}
+    }
+</script>
+{{- /* TODO: Add "potentialAction" with search.
+    For more see: https://developers.google.com/structured-data/slsb-overview */ -}}
diff --git a/layouts/partials/templates/schema_json.html b/layouts/partials/templates/schema_json.html
new file mode 100644
index 0000000..aaed1e2
--- /dev/null
+++ b/layouts/partials/templates/schema_json.html
@@ -0,0 +1,5 @@
+{{ if .IsHome }}
+    {{ partial "schema.org/website.html" . }}
+{{ else if and .IsPage (ne .Params.private true) }}
+    {{ partial "schema.org/article.html" . }}
+{{ end }}
-- 
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