eswyft/4in1_ws_web
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some work on meta tags

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This commit is contained in:
E. S. 2024-03-14 23:33:47 +00:00
parent eba9cd46df
commit 05fb6fbffb
5 changed files with 62 additions and 14 deletions
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43
engine/skin.php
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@ -95,9 +95,48 @@ function add_static(string ...$files): void {
$SkinState->static[] = $file;
}
function add_meta(array ...$data) {
function add_meta(array $data) {
global $SkinState;
$SkinState->meta = array_merge($SkinState->meta, $data);
static $twitter_limits = [
'title' => 70,
'description' => 200
];
$real_meta = [];
$add_og_twitter = function($key, $value) use (&$real_meta, $twitter_limits) {
foreach (['og', 'twitter'] as $social) {
if ($social == 'twitter' && isset($twitter_limits[$key])) {
if (mb_strlen($value) > $twitter_limits[$key])
$value = mb_substr($value, 0, $twitter_limits[$key]-3).'...';
}
$real_meta[] = [
$social == 'twitter' ? 'name' : 'property' => $social.':'.$key,
'content' => $value
];
}
};
foreach ($data as $key => $value) {
switch ($key) {
case '$url':
case '$title':
case '$image':
$add_og_twitter(substr($key, 1), $value);
break;
case '$description':
$add_og_twitter(substr($key, 1), $value);
$real_meta[] = ['name' => 'description', 'content' => $value];
break;
default:
if (str_starts_with($key, 'og:')) {
$real_meta[] = ['property' => $key, 'content' => $value];
} else {
logWarning("unsupported meta: $key => $value");
}
break;
}
}
$SkinState->meta = array_merge($SkinState->meta, $real_meta);
}

24
handler/MainHandler.php
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@ -3,6 +3,15 @@
class MainHandler extends request_handler {
function GET_index() {
global $config;
add_meta([
'og:type' => 'website',
'$url' => 'https://'.$config['domain'].'/',
'$title' => lang('meta_index_title'),
'$description' => lang('meta_index_description'),
'$image' => 'https://'.$config['domain'].'/img/4in1-preview.jpg'
]);
set_title('$site_title');
set_skin_opts(['is_index' => true]);
render('main/index');
@ -77,18 +86,13 @@ class MainHandler extends request_handler {
$other_langs[] = $pl->value;
}
add_meta(
['property' => 'og:title', 'content' => $pt->title],
['property' => 'og:url', 'content' => $config['domain'].$post->getUrl()]
);
if (($img = $pt->getFirstImage()) !== null)
add_meta(['property' => 'og:image', 'content' => $img->getDirectUrl()]);
add_meta([
'name' => 'description',
'property' => 'og:description',
'content' => $pt->getDescriptionPreview(155)
'$title' => $pt->title,
'$url', $config['domain'].$post->getUrl(),
'$description' => $pt->getDescriptionPreview(155)
]);
if (($img = $pt->getFirstImage()) !== null)
add_meta(['$image' => $img->getDirectUrl()]);
set_skin_opts(['articles_lang' => $lang->value]);

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htdocs/img/4in1-preview.jpg Normal file
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5
skin/base.phps
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@ -29,7 +29,7 @@ return <<<HTML
<link rel="alternate" type="application/rss+xml" href="/feed.rss">
<title>{$title}</title>
<script type="text/javascript">window.appConfig = {$app_config};</script>
{$ctx->renderMeta($meta)}
{$ctx->meta($meta)}
{$ctx->renderStatic($static, $theme)}
</head>
<body{$ctx->if_true($body_class, ' class="'.implode(' ', $body_class).'"')}>
@ -100,7 +100,7 @@ ThemeSwitcher.init();
HTML;
}
function renderMeta($ctx, $meta) {
function meta($ctx, $meta) {
if (empty($meta))
return '';
return implode('', array_map(function(array $item): string {
@ -108,6 +108,7 @@ function renderMeta($ctx, $meta) {
foreach ($item as $k => $v)
$s .= ' '.htmlescape($k).'="'.htmlescape($v).'"';
$s .= '>';
$s .= "\n";
return $s;
}, $meta));
}

4
strings/main.yaml
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@ -20,6 +20,10 @@ toc: 'Table of Contents'
lang_en: "English"
lang_ru: "Русский"
# meta
meta_index_title: "4in1. Mask of Shakespeare, mysteries of Bacon, book by Cartier, secrets of the NSA"
meta_index_description: "This is the official web site of the book \"4in1\". The book has emerged as an outcome of many years of journalistic investigations, published as a series of articles over the last few years on the kiwi arXiv website."
# blog
blog_new_post: "New post"
blog_view_post: "View post"