[event_social] Set social media image for entry.
evenmt_social will use the first image from the entry for the OpenGrahp "og:image" meta property used by Facebook and Twitter; if there is none, it will fall back to the default image from the plugin configuration. The timeline and photo themes support setting a featured image that is used instead. Add the possibility to set a social media image for each entry, regardless of theme. If there is none set, fall back to timeline or photo featured images, or the first image in the enttry body, or the default image from the plugin configuration (in that order). Signed-off-by: Thomas Hochstein <thh@inter.net>
This commit is contained in:
Thomas Hochstein
parent
530d3ee063
commit
749579f32d
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@ -1,3 +1,6 @@
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0.14
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* Add per-entry social media image.
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0.13.2
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* Remove Google+ (shutdown 2019-04-02)
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@ -17,4 +17,6 @@
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@define('PLUGIN_EVENT_SOCIAL_BACKEND', 'Backend für Zähler');
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@define('PLUGIN_EVENT_SOCIAL_BACKEND_DESC', 'URL für ein Shariff-Backend, mit dem einige der Buttons (u.a. Facebook) anzeigen wie oft der Artikel geteilt wurde. "none" deaktiviert den Zähler. Standard: "https://onli.columba.uberspace.de/s9y_shariff"');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE', 'Fallback-Bild');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Ein Bild, das auf Twitter und Facebook angezeigt wird wenn der Eintrag kein eigenes Bild erhält. "none" deaktiviert es.');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Ein Bild, das auf Twitter und Facebook angezeigt wird, wenn der Eintrag kein eigenes Bild erhält. "none" deaktiviert es.');
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@define('PLUGIN_EVENT_SOCIAL_ENTRY_IMAGE', 'Bild für Social Media');
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@ -17,4 +17,5 @@
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@define('PLUGIN_EVENT_SOCIAL_BACKEND', 'Backend for share counter');
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@define('PLUGIN_EVENT_SOCIAL_BACKEND_DESC', 'URL to a shariff backend, that provides some buttons (like Facebook) with a share counter. Set to "none" to deacivate. Default: "https://onli.columba.uberspace.de/s9y_shariff"');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE', 'Fallback Image');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Image shown on Twitter and Facebok if the entry contains no own image. Set to "none" to deacivate.');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Image shown on Twitter and Facebok if the entry contains no own image. Set to "none" to deacivate.');
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@define('PLUGIN_EVENT_SOCIAL_ENTRY_IMAGE', 'Image shown on Social-Media');
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@ -17,4 +17,5 @@
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@define('PLUGIN_EVENT_SOCIAL_BACKEND', 'Backend für Zähler');
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@define('PLUGIN_EVENT_SOCIAL_BACKEND_DESC', 'URL für ein Shariff-Backend, mit dem einige der Buttons (u.a. Facebook) anzeigen wie oft der Artikel geteilt wurde. "none" deaktiviert den Zähler. Standard: "https://onli.columba.uberspace.de/s9y_shariff"');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE', 'Fallback-Bild');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Ein Bild, das auf Twitter und Facebook angezeigt wird wenn der Eintrag kein eigenes Bild erhält. "none" deaktiviert es.');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Ein Bild, das auf Twitter und Facebook angezeigt wird, wenn der Eintrag kein eigenes Bild erhält. "none" deaktiviert es.');
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@define('PLUGIN_EVENT_SOCIAL_ENTRY_IMAGE', 'Bild für Social Media');
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@ -17,4 +17,5 @@
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@define('PLUGIN_EVENT_SOCIAL_BACKEND', 'Backend for share counter');
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@define('PLUGIN_EVENT_SOCIAL_BACKEND_DESC', 'URL to a shariff backend, that provides some buttons (like Facebook) with a share counter. Set to "none" to deacivate. Default: "https://onli.columba.uberspace.de/s9y_shariff"');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE', 'Fallback Image');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Image shown on Twitter and Facebok if the entry contains no own image. Set to "none" to deacivate.');
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@define('PLUGIN_EVENT_SOCIAL_IMAGE_DESC', 'Image shown on Twitter and Facebok if the entry contains no own image. Set to "none" to deacivate.');
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@define('PLUGIN_EVENT_SOCIAL_ENTRY_IMAGE', 'Image shown on Social-Media');
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@ -16,14 +16,17 @@ class serendipity_event_social extends serendipity_event {
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$propbag->add('description', PLUGIN_EVENT_SOCIAL_DESC);
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$propbag->add('stackable', false);
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$propbag->add('author', 'onli, Matthias Mees, Thomas Hochstein');
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$propbag->add('version', '0.13.2');
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$propbag->add('version', '0.14');
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$propbag->add('requirements', array(
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'serendipity' => '2.0'
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));
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$propbag->add('event_hooks', array('frontend_display:html:per_entry' => true,
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'css' => true,
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'frontend_footer' => true,
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'frontend_header' => true));
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'frontend_header' => true,
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'backend_display' => true,
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'backend_publish' => true,
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'backend_save' => true));
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$propbag->add('groups', array('FRONTEND_EXTERNAL_SERVICES'));
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$propbag->add('configuration', array('services', 'theme', 'overview', 'twitter_via', 'social_image', 'lang', 'backend'));
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@ -197,12 +200,19 @@ class serendipity_event_social extends serendipity_event {
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echo '<meta property="og:site_name" content="' . $serendipity['blogTitle'] . '" />' . "\n";
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echo '<meta property="og:url" content="'. $blogURL . serendipity_specialchars($_SERVER['REQUEST_URI']) . '" />' . "\n";
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// set default image from plugin configuration
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$social_image = $this->get_config('social_image', '');
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if (isset($entry['properties']) && isset($entry['properties']['timeline_image'])) {
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if (isset($entry['properties']) && isset($entry['properties']['entry_image'])) {
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// if entry_image is set, use this image instead (first priority)
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$social_image = $entry['properties']['entry_image'];
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} else if (isset($entry['properties']) && isset($entry['properties']['timeline_image'])) {
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// if timeline_image from timeline theme is set, use this image (second priority)
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$social_image = $entry['properties']['timeline_image'];
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} else if (isset($entry['properties']) && isset($entry['properties']['ep_featuredImage'])) {
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// if ep_featuredImage from photo theme is set, use this image (third priority)
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$social_image = $entry['properties']['ep_featuredImage'];
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} else {
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// Fourth priority:
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// This is searching for the first image in an entry to use as facebook article image.
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// A better approach would be to register in the entry editor when an image was added
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if (preg_match_all('@<img.*src=["\'](.+)["\']@imsU', $entry['body'] . $entry['extended'], $images)) {
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@ -224,6 +234,49 @@ class serendipity_event_social extends serendipity_event {
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}
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}
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break;
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case 'backend_display':
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if (isset($serendipity['POST']['properties']['entry_image'])) {
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$entry_image = $serendipity['POST']['properties']['entry_image'];
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} elseif (!empty($eventData['properties']['entry_image'])) {
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$entry_image = $eventData['properties']['entry_image'];
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} else {
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$entry_image = '';
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}
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?>
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<div class="social_entry_image adv_opts_box form_field">
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<div class="clearfix form_area media_choose" id="ep_column_entry_image">
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<label for="properties_entry_image"><?php echo PLUGIN_EVENT_SOCIAL_ENTRY_IMAGE; ?>:</label>
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<textarea data-configitem="properties_entry_image" name="serendipity[properties][entry_image]" class="change_preview" id="properties_entry_image" style="width: 100%"><?php echo serendipity_specialchars($entry_image); ?></textarea>
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<button class="customfieldMedia" type="button" name="insImage" title="<?php echo MEDIA ; ?>"><span class="icon-picture" aria-hidden="true"></span><span class="visuallyhidden"><?php echo MEDIA ; ?></span></button>
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<figure id="properties_entry_image_preview">
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<figcaption><?php echo PREVIEW; ?></figcaption>
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<img src="<?php echo $entry_image; ?>" alt=""/>
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</figure>
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</div>
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</div>
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<?php
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return true;
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break;
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case 'backend_publish':
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case 'backend_save':
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if (!isset($serendipity['POST']['properties']) || !is_array($serendipity['POST']['properties']) || !isset($eventData['id'])) {
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return true;
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}
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$entry_image = $serendipity['POST']['properties']['entry_image'];
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// delete old entry, if any
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$q = "DELETE FROM {$serendipity['dbPrefix']}entryproperties WHERE entryid = " . (int)$eventData['id'] . " AND property = 'entry_image'";
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serendipity_db_query($q);
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// save new entry
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if (!empty($entry_image)) {
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$q = "INSERT INTO {$serendipity['dbPrefix']}entryproperties (entryid, property, value) VALUES (" . (int)$eventData['id'] . ", 'entry_image', '" . serendipity_db_escape_string($entry_image) . "')";
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serendipity_db_query($q);
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}
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default:
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return false;
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}
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