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Add OpenGraph support

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Add the necessary OpenGraph meta tags to all pages.

Fix https://github.com/pawroman/zola-theme-terminimal/issues/3
This commit is contained in:
Heitor Pascoal de Bittencourt 2023-10-31 18:03:20 -03:00
parent a9969735db
commit 6af6b597fa
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5 changed files with 95 additions and 2 deletions
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2
templates/404.html
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@ -1,7 +1,7 @@
{% extends "index.html" %}
{% block title %}
404
404 | {{ config.title }}
{% endblock title %}
{% block header_menu %}

2
templates/index.html
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@ -11,6 +11,8 @@
<title>{%- block title %}{{ config.title }}{% endblock title -%}</title>
{{ head_macros::head(config=config) }}
{%- block open_graph %}{{ head_macros::open_graph(config=config) }}{% endblock open_graph -%}
{%- if config.generate_feed %}
{%- if "rss" in config.feed_filename %}
{% set feed_type = 'rss+xml' %}

68
templates/macros/head.html
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@ -1,3 +1,5 @@
{% import "macros/title.html" as title_macros -%}
{% macro head(config) %}
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
@ -24,3 +26,69 @@
{% endif -%}
{% endmacro head %}
{# Extra Meta tags for OpenGraph and Twitter cards #}
{% macro open_graph(config) %}
{%- if page %}
{%- set permalink = page.permalink %}
{%- set title = title_macros::title(page_title=page.title, main_title=config.title) %}
{%- set description = page.description %}
{%- set type = "article" %}
{%- if page.extra and page.extra.og_image %}
{%- if page.colocated_path %}
{%- set og_image = page.colocated_path ~ page.extra.og_image %}
{%- else %}
{%- set og_image = page.extra.og_image %}
{% endif %}
{%- elif config.extra.default_og_image %}
{%- set og_image = config.extra.default_og_image %}
{%- endif %}
{%- elif section %}
{%- set permalink = section.permalink %}
{%- set title = title_macros::title(page_title=section.title, main_title=config.title) %}
{%- set description = section.description | default(value=config.description) %}
{%- set type = "website" %}
{%- if section.extra and section.extra.og_image %}
{%- set og_image = section.extra.og_image %}
{%- elif config.extra.default_og_image %}
{%- set og_image = config.extra.default_og_image %}
{%- endif %}
{%- else %}
{# For 404 and taxonomy pages #}
{%- if taxonomy %}
{% if term %}
{%- set permalink = term.permalink %}
{%- set title = title_macros::title(page_title=term.name, main_title=config.title) %}
{%- set description = "All posts for " ~ term.name %}
{% else %}
{%- set permalink = config.base_url ~ "/" ~ taxonomy.slug %}
{%- set title = title_macros::title(page_title=taxonomy.name, main_title=config.title) %}
{%- set description = "All " ~ taxonomy.name %}
{% endif %}
{%- else %}
{%- set permalink = config.base_url %}
{%- set title = title_macros::title(page_title="404", main_title=config.title) %}
{%- set description = "Page not found" %}
{%- endif %}
{%- set type = "website" %}
{%- if config.extra.default_og_image %}
{%- set og_image = config.extra.default_og_image %}
{%- endif %}
{%- endif -%}{# #}
<meta name="description" content="{{ description | safe }}">
<meta property="og:description" content="{{ description | safe }}">
<meta property="og:title" content="{{ title | safe }}">
<meta property="og:type" content="{{ type }}">
<meta property="og:url" content="{{ permalink | safe }}">
{% if og_image %}
<meta property="og:image" content="{{ get_url(path=og_image) }}">
<meta name="twitter:image" content="{{ get_url(path=og_image) }}">
{% endif %}
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:description" content="{{ description | safe }}">
<meta name="twitter:title" content="{{ title | safe }}">
<meta property="twitter:domain" content="{{ config.base_url | replace(from="https://", to="") }}">
<meta property="twitter:url" content="{{ permalink | safe }}">
{% endmacro open_graph %}