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# frozen_string_literal: true
# Copyright (C) 2019-2020 Miquel Sabaté Solà <mikisabate@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
require "time"
require_relative "render_helper"
require_relative "modified_time_helper"
module Jekyll
# Render og:type related tags.
class RenderTypeTags < Liquid::Tag
include ::Jekyll::RenderHelper
include ::Jekyll::ModifiedTimeHelper
def render(context)
if ["posts"].include?(context["page"]["collection"])
render_article_tags(context["page"])
else
'<meta property="og:type" content="website" />'
end
end
protected
# Render all the tags related to the article og:type.
def render_article_tags(page)
tags = page["tags"].inject("") { |acc, t| acc + render_meta("article:tag", t) }
'<meta property="og:type" content="article" />' +
render_meta("og:author", "Miquel Sabaté Solà") +
render_meta("profile:first_name", "Miquel") +
render_meta("profile:last_name", "Sabaté Solà") +
render_meta("profile:username", "mssola") +
render_meta("profile:gender", "male") +
render_meta("article:section", page["collection"]) +
render_meta("article:published_time", published_time(page)) +
render_meta("article:modified_time", modified_time(page)) +
tags
end
# Returns the published time of the given page.
def published_time(page)
# We could do fancy stuff like using DateTime.strptime and so on, but
# Jekyll completely disregards the hour, minutes, etc., so why bother.
page["date"].to_s.split.first
end
end
end
Liquid::Template.register_tag("render_type_tags", Jekyll::RenderTypeTags)
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