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Das JSON wird jetzt effizienter und ohne vorgebene Felder erstellt. Voraussetzung für Flexibilisierung der des Metadatenprofils
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@JustusHenke
JustusHenke committed May 25, 2024
1 parent cb2e9de commit 2e20df6
Showing 1 changed file with 94 additions and 108 deletions.
202 changes: 94 additions & 108 deletions amb-dido.php
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Original file line number Diff line number Diff line change
Expand Up @@ -103,14 +103,16 @@ function amb_get_other_fields() {
['de' => 'Deutsch'],
['en' => 'English'],
['fr' => 'Français']
]
],
'amb_key' => 'inLanguage'
],
'amb_isAccessibleForFree' => [
'field_label' => 'Kostenfreier Zugang',
'options' => [
['true' => 'Ja'],
['false' => 'Nein']
]
],
'amb_key' => 'isAccessibleForFree'
],
'amb_license' => [
'field_label' => 'Lizenz des Inhalts',
Expand All @@ -119,26 +121,18 @@ function amb_get_other_fields() {
['http://creativecommons.org/licenses/by-sa/4.0/legalcode.de' => 'CC BY-SA 4.0 Gleiche Bedingungen '],
['https://creativecommons.org/licenses/by-nc/4.0/legalcode.de' => 'CC BY-NC 4.0 Nichtkommmerziell'],
['https://www.gnu.org/licenses/gpl-3.0.xml' => 'GNU GPL 3 Software']
]
],
'amb_key' => 'license'
],
'amb_conditionsOfAccess' => [
'field_label' => 'Zugangsbedingungen',
'options' => [
['http://w3id.org/kim/conditionsOfAccess/no_login' => 'Keine Anmeldung erforderlich'],
['http://w3id.org/kim/conditionsOfAccess/login' => 'Anmeldung erforderlich']
]
],
'amb_key' => 'license'
]
/* wird bereits aus Archiv abgerufen
,
'amb_educationalLevel' => [
'field_label' => 'Stufe im Bildungssystem',
'options' => [
['https://w3id.org/kim/educationalLevel/level_A' => 'Hochschule'],
['https://w3id.org/kim/educationalLevel/level_B' => 'Vorbereitungsdienst'],
['https://w3id.org/kim/educationalLevel/level_C' => 'Fortbildung']
]
]
*/

];
}

Expand All @@ -151,43 +145,45 @@ function amb_get_other_fields() {
// Globale Konfiguration der URLs für verschiedene JSON-Daten
function amb_get_json_urls() {
return [
'amb_area' => 'https://hof-halle-wittenberg.github.io/vocabs/area/index.json',
'amb_type' => 'https://hof-halle-wittenberg.github.io/vocabs/type/index.json',
'amb_organisationalContext' => 'https://hof-halle-wittenberg.github.io/vocabs/organisationalContext/index.json',
'amb_didacticUseCase' => 'https://hof-halle-wittenberg.github.io/vocabs/didacticUseCase/index.json',
'amb_learningResourceType' => 'https://skohub.io/dini-ag-kim/hcrt/heads/master/w3id.org/kim/hcrt/scheme.json',
//'amb_audience' => 'https://vocabs.edu-sharing.net/w3id.org/edu-sharing/vocabs/dublin/educationalAudienceRole/index.json',
'amb_audience' => 'https://hof-halle-wittenberg.github.io/vocabs/audience/index.json',
'amb_hochschulfaechersystematik' => 'https://skohub.io/dini-ag-kim/hochschulfaechersystematik/heads/master/w3id.org/kim/hochschulfaechersystematik/scheme.json'

'amb_area' => [
'url' => 'https://hof-halle-wittenberg.github.io/vocabs/area/index.json',
'amb_key' => 'area'
],
'amb_type' => [
'url' => 'https://hof-halle-wittenberg.github.io/vocabs/type/index.json',
'amb_key' => 'type'
],
'amb_organisationalContext' => [
'url' => 'https://hof-halle-wittenberg.github.io/vocabs/organisationalContext/index.json',
'amb_key' => 'about'
],
'amb_didacticUseCase' => [
'url' => 'https://hof-halle-wittenberg.github.io/vocabs/didacticUseCase/index.json',
'amb_key' => 'about'
],
'amb_learningResourceType' => [
'url' => 'https://skohub.io/dini-ag-kim/hcrt/heads/master/w3id.org/kim/hcrt/scheme.json',
'amb_key' => 'learningResourceType'
],
'amb_audience' => [
'url' => 'https://hof-halle-wittenberg.github.io/vocabs/audience/index.json',
'amb_key' => 'audience'
],
'amb_hochschulfaechersystematik' => [
'url' => 'https://skohub.io/dini-ag-kim/hochschulfaechersystematik/heads/master/w3id.org/kim/hochschulfaechersystematik/scheme.json',
'amb_key' => 'about'
]

];
}


// veraltet: Alle Wertelisten abrufen, nur für erste Ebene
function amb_get_all_external_values_broader() {
$urls = amb_get_json_urls();
$all_values = [];

foreach ($urls as $key => $url) {
$values = amb_get_external_values($key);
if (!empty($values)) {
$all_values[$key] = $values;
}
}

return $all_values;
}


// Alle Wertelisten abrufen, incl. aller Ebenen
function amb_get_all_external_values() {
$urls = amb_get_json_urls();
$all_values = [];

foreach ($urls as $key => $url) {
$values = amb_fetch_external_values($url);
foreach ($urls as $key => $url_data) {
$values = amb_fetch_external_values($url_data['url'], $key, $url_data['amb_key']);
if (!empty($values)) {
$all_values[$key] = $values;
}
Expand All @@ -196,7 +192,7 @@ function amb_get_all_external_values() {
return $all_values;
}

function amb_fetch_external_values($url) {
function amb_fetch_external_values($url, $key, $amb_key) {
$response = wp_remote_get($url);
if (is_wp_error($response)) {
return [];
Expand All @@ -211,7 +207,8 @@ function amb_fetch_external_values($url) {

return [
'field_label' => $field_label,
'options' => $options
'options' => $options,
'amb_key' => $amb_key
];
}

Expand All @@ -232,6 +229,21 @@ function parse_concepts($concepts) {
}


// veraltet: Alle Wertelisten abrufen, nur für erste Ebene
function amb_get_all_external_values_broader() {
$urls = amb_get_json_urls();
$all_values = [];

foreach ($urls as $key => $url) {
$values = amb_get_external_values($key);
if (!empty($values)) {
$all_values[$key] = $values;
}
}

return $all_values;
}

// Externe Wertelisten, verallgemeinert für erste Ebene
function amb_get_external_values($key, $field_label = null) {
$urls = amb_get_json_urls();
Expand Down Expand Up @@ -534,7 +546,8 @@ function amb_dido_save_post_meta($post_id) {

function save_all_checkbox_data($post_id) {
// Alle verfügbaren externen Werte abrufen
$all_options = amb_get_all_external_values();
// $all_options = amb_get_all_external_values();
$all_options = array_merge(amb_get_other_fields(), amb_get_all_external_values());

if (empty($all_options)) {
return;
Expand Down Expand Up @@ -605,12 +618,12 @@ function generate_creator_objects($creators) {
function amb_dido_add_json_ld_to_header() {
if (is_singular(get_option('amb_dido_post_types', []))) {
global $post;
// Voreinstellungen aus Optionseite rufen

// Voreinstellungen aus Optionseite rufen
$defaults = get_option('amb_dido_defaults');

// Hartkodierte Felder rufen
$fields = amb_get_other_fields();
// Alle Felder (hartkodiert und extern) abrufen
$all_options = array_merge(amb_get_other_fields(), amb_get_all_external_values());

// Keywords auslesen
$terms = get_the_terms($post->ID, 'ambkeywords');
Expand All @@ -622,89 +635,62 @@ function amb_dido_add_json_ld_to_header() {
}
}

// creator Werte holen
// creator Werte holen
$creators = explode(',', get_post_meta($post->ID, 'amb_creator', true));

// JSON Elemente zusammenstellen
$amb_data_core = [
'description' => get_post_meta($post->ID, 'amb_description', true),
'creator' => generate_creator_objects($creators),
'keywords' => !empty($keywords) ? $keywords : '',
'inLanguage' => get_post_meta($post->ID, 'amb_inLanguage', true) ?: $defaults['amb_inLanguage'] ?: ['de'],
'publisher' => get_bloginfo('name'),
'isAccessibleForFree' => get_post_meta($post->ID, 'amb_isAccessibleForFree', true) ?: $defaults['amb_isAccessibleForFree'] ?: 'true',
'license' => get_post_meta($post->ID, 'amb_license', true) ?: $defaults['amb_license'],
'conditionsOfAccess' => get_post_meta($post->ID, 'amb_conditionsOfAccess', true) ?: $defaults['amb_conditionsOfAccess']
];
$amb_data = [
'type' => get_post_meta($post->ID, 'amb_type', true) ?: $defaults['amb_type'] ?: ['LearningResource'],
'area' => get_post_meta($post->ID, 'amb_area', true) ?: $defaults['amb_area'],
'learningResourceType' => get_post_meta($post->ID, 'amb_learningResourceType', true) ?: $defaults['amb_learningResourceType'],
'audience' => get_post_meta($post->ID, 'amb_audience', true) ?: $defaults['amb_audience'],
'educationalLevel' => get_post_meta($post->ID, 'amb_educationalLevel', true) ?: $defaults['amb_educationalLevel'],
'aboutSubject' => get_post_meta($post->ID, 'amb_hochschulfaechersystematik', true) ?: $defaults['amb_hochschulfaechersystematik'],
'aboutContext' => get_post_meta($post->ID, 'amb_organisationalContext', true) ?: $defaults['amb_organisationalContext'],
'aboutUseCase' => get_post_meta($post->ID, 'amb_didacticUseCase', true) ?: $defaults['amb_didacticUseCase']
];

// Kombinieren der Felder "aboutSubject" und "aboutContext" und "aboutUseCase"
$about = [];

function createConceptArray($concepts) {
$result = [];
foreach ($concepts as $concept) {
$result[] = [
"id" => $concept['id'],
"prefLabel" => ["de" => $concept['prefLabel']['de']],
"type" => "concept"
];
}
return $result;
}

if (!empty($amb_data['aboutSubject'])) {
$about[] = createConceptArray($amb_data['aboutSubject']);
}
if (!empty($amb_data['aboutContext'])) {
$about[] = createConceptArray($amb_data['aboutContext']);
}
if (!empty($amb_data['aboutUseCase'])) {
$about[] = createConceptArray($amb_data['aboutUseCase']);
}



// JSON-LD-Struktur vorbereiten
$json_ld_data = [
"@context" => ["https://w3id.org/kim/amb/context.jsonld", "https://schema.org", ["@language" => "de"]],
"id" => get_permalink($post->ID),
"dateCreated" => get_the_date('c', $post),
"datePublished" => get_the_date('c', $post),
"dateModified" => get_the_modified_date('c', $post),
"publisher" => [["type" => "Organization", "name" => $amb_data['publisher']]],
"publisher" => [["type" => "Organization", "name" => $amb_data_core['publisher']]],
"creator" => $amb_data_core['creator'],
"name" => get_the_title($post),
"description" => $amb_data_core['description'],
"keywords" => $amb_data_core['keywords'],
"image" => get_the_post_thumbnail_url($post, 'full'),
"inLanguage" => $amb_data_core['inLanguage'],
"license" => $amb_data_core['license'],
"isAccessibleForFree" => filter_var($amb_data_core['isAccessibleForFree'], FILTER_VALIDATE_BOOLEAN),
"conditionsOfAccess" => ["id" => $amb_data_core['conditionsOfAccess'], "type" => "Concept"],
"area" => $amb_data['area'],
"type" => $amb_data['type'],
"learningResourceType" => $amb_data['learningResourceType'],
"audience" => $amb_data['audience'],
"educationalLevel" => $amb_data['educationalLevel'],
"about" => $about
//"aboutSubject" => $amb_data['aboutSubject'],
//"aboutContext" => $amb_data['aboutContext'],

];

foreach ($all_options as $field => $data) {
$value = get_post_meta($post->ID, $field, true);
if (empty($value)) {
$value = $defaults[$field] ?? null;
}

$amb_key = $data['amb_key'] ?? 'about';

if (!is_null($value)) {
$formatted_value = is_array($value) ? array_map(function ($item) use ($data) {
return [
'id' => $item['id'],
'prefLabel' => ['de' => $item['prefLabel']['de']],
'type' => 'Concept'
];
}, $value) : [
'id' => $value,
'prefLabel' => ['de' => $data['options'][0][$value]],
'type' => 'Concept'
];

if (isset($json_ld_data[$amb_key])) {
$json_ld_data[$amb_key] = array_merge($json_ld_data[$amb_key], $formatted_value);
} else {
$json_ld_data[$amb_key] = $formatted_value;
}
}
}

// JSON-LD-Ausgabe im Header
echo '<script type="application/ld+json">' . json_encode($json_ld_data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) . '</script>';
}
}


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