Add more metadata elements

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/service/metadata/actor.ex

@@ -20,14 +20,24 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
 
     [
       Tag.tag(:meta, property: "og:title", content: Actor.display_name_and_username(group)),
-      Tag.tag(:meta, property: "og:url", content: group.url),
+      Tag.tag(:meta,
+        property: "og:url",
+        content:
+          Endpoint
+          |> Routes.page_url(
+            :actor,
+            Actor.preferred_username_and_domain(group)
+          )
+          |> URI.decode()
+      ),
       Tag.tag(:meta, property: "og:description", content: group.summary),
       Tag.tag(:meta, property: "og:type", content: "profile"),
       Tag.tag(:meta,
         property: "profile:username",
         content: Actor.preferred_username_and_domain(group)
       ),
-      Tag.tag(:meta, property: "twitter:card", content: "summary")
+      Tag.tag(:meta, property: "twitter:card", content: "summary"),
+      Tag.tag(:meta, property: "twitter:site", content: "@joinmobilizon")
     ]
     |> maybe_add_avatar(group)
     |> add_group_schema(group)
@@ -50,8 +60,22 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Actors.Actor do
 
   @spec add_group_schema(list(Tag.t()), Actor.t()) :: list(Tag.t())
   defp add_group_schema(tags, %Actor{} = group) do
+    breadcrumbs = %{
+      "@context" => "https://schema.org",
+      "@type" => "BreadcrumbList",
+      "itemListElement" => [
+        %{
+          "@type" => "ListItem",
+          "position" => 1,
+          "name" => Actor.display_name(group)
+        }
+      ]
+    }
+
     tags ++
       [
+        ~s{<script type="application/ld+json">#{Jason.encode!(breadcrumbs)}</script>}
+        |> HTML.raw(),
         ~s{<script type="application/ld+json">#{json(group)}</script>} |> HTML.raw()
       ]
   end

lib/service/metadata/event.ex

@@ -1,9 +1,12 @@
 defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
   alias Phoenix.HTML
   alias Phoenix.HTML.Tag
+  alias Mobilizon.Actors.Actor
   alias Mobilizon.Addresses.Address
   alias Mobilizon.Events.{Event, EventOptions}
+  alias Mobilizon.Web.Endpoint
   alias Mobilizon.Web.JsonLD.ObjectView
+  alias Mobilizon.Web.Router.Helpers, as: Routes
 
   import Mobilizon.Service.Metadata.Utils,
     only: [process_description: 2, strip_tags: 1, datetime_to_string: 2, render_address: 1]
@@ -35,9 +38,64 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Events.Event do
           ]
       end
 
+    breadcrumbs =
+      if event.attributed_to do
+        [
+          %{
+            "@context" => "https://schema.org",
+            "@type" => "BreadcrumbList",
+            "itemListElement" => [
+              %{
+                "@type" => "ListItem",
+                "position" => 1,
+                "name" => Actor.display_name(event.attributed_to),
+                "item" =>
+                  Endpoint
+                  |> Routes.page_url(
+                    :actor,
+                    Actor.preferred_username_and_domain(event.attributed_to)
+                  )
+                  |> URI.decode()
+              },
+              %{
+                "@type" => "ListItem",
+                "position" => 2,
+                "name" => event.title
+              }
+            ]
+          }
+        ]
+      else
+        []
+      end
+
+    breadcrumbs =
+      breadcrumbs ++
+        [
+          %{
+            "@context" => "https://schema.org",
+            "@type" => "BreadcrumbList",
+            "itemListElement" => [
+              %{
+                "@type" => "ListItem",
+                "position" => 1,
+                "name" => "Events",
+                "item" => "#{Endpoint.url()}/search"
+              },
+              %{
+                "@type" => "ListItem",
+                "position" => 2,
+                "name" => event.title
+              }
+            ]
+          }
+        ]
+
     tags ++
       [
         Tag.tag(:meta, property: "twitter:card", content: "summary_large_image"),
+        ~s{<script type="application/ld+json">#{Jason.encode!(breadcrumbs)}</script>}
+        |> HTML.raw(),
         ~s{<script type="application/ld+json">#{json(event)}</script>} |> HTML.raw()
       ]
   end

lib/service/metadata/instance.ex

@@ -20,18 +20,20 @@ defmodule Mobilizon.Service.Metadata.Instance do
     description = Utils.process_description(Config.instance_description())
     title = "#{Config.instance_name()} - Mobilizon"
 
-    instance_json_ld = """
-    <script type="application/ld+json">{
-    "@context": "http://schema.org",
-    "@type": "WebSite",
-    "name": "#{title}",
-    "url": "#{Endpoint.url()}",
-    "potentialAction": {
-    "@type": "SearchAction",
-    "target": "#{Endpoint.url()}/search?term={search_term}",
-    "query-input": "required name=search_term"
+    json_ld = %{
+      "@context" => "http://schema.org",
+      "@type" => "WebSite",
+      "name" => "#{title}",
+      "url" => "#{Endpoint.url()}",
+      "potentialAction" => %{
+        "@type" => "SearchAction",
+        "target" => "#{Endpoint.url()}/search?term={search_term}",
+        "query-input" => "required name=search_term"
+      }
     }
-    }</script>
+
+    instance_json_ld = """
+    <script type="application/ld+json">#{Jason.encode!(json_ld)}</script>
     """
 
     [

lib/service/metadata/post.ex

@@ -1,9 +1,12 @@
 defimpl Mobilizon.Service.Metadata, for: Mobilizon.Posts.Post do
   alias Phoenix.HTML
   alias Phoenix.HTML.Tag
+  alias Mobilizon.Actors.Actor
   alias Mobilizon.Medias.{File, Media}
   alias Mobilizon.Posts.Post
+  alias Mobilizon.Web.Endpoint
   alias Mobilizon.Web.JsonLD.ObjectView
+  alias Mobilizon.Web.Router.Helpers, as: Routes
   import Mobilizon.Service.Metadata.Utils, only: [process_description: 2, strip_tags: 1]
 
   def build_tags(%Post{} = post, locale \\ "en") do
@@ -21,9 +24,35 @@ defimpl Mobilizon.Service.Metadata, for: Mobilizon.Posts.Post do
       ]
       |> maybe_add_post_picture(post)
 
+    breadcrumbs = %{
+      "@context" => "https://schema.org",
+      "@type" => "BreadcrumbList",
+      "itemListElement" => [
+        %{
+          "@type" => "ListItem",
+          "position" => 1,
+          "name" => Actor.display_name(post.attributed_to),
+          "item" =>
+            Endpoint
+            |> Routes.page_url(
+              :actor,
+              Actor.preferred_username_and_domain(post.attributed_to)
+            )
+            |> URI.decode()
+        },
+        %{
+          "@type" => "ListItem",
+          "position" => 2,
+          "name" => post.title
+        }
+      ]
+    }
+
     tags ++
       [
         Tag.tag(:meta, property: "twitter:card", content: "summary_large_image"),
+        ~s{<script type="application/ld+json">#{Jason.encode!(breadcrumbs)}</script>}
+        |> HTML.raw(),
         ~s{<script type="application/ld+json">#{json(post)}</script>} |> HTML.raw()
       ]
   end