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removed _add_facebook_friendly_meta_tags with _init_social_media_inte…
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…gration which currently just adds open graph tags with the new method _add_open_graph_tags_for_item - also added in script cache for teaser and item images so multiple calls in the same script execution do not do unneeded queries.
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@natepixel
natepixel committed May 11, 2012
1 parent de639a4 commit 4c9fe08
Showing 1 changed file with 68 additions and 33 deletions.
101 changes: 68 additions & 33 deletions reason_4.0/lib/core/minisite_templates/modules/publication/module.php
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Expand Up @@ -489,7 +489,7 @@ function handle_params( $params )
$potential_params = array('use_filters', 'use_pagination', 'num_per_page', 'max_num_items', 'minimum_date_strtotime_format', 'show_login_link',
'show_module_title', 'related_mode', 'related_order', 'date_format', 'related_title',
'limit_by_page_categories', 'related_publication_unique_names', 'related_category_unique_names','css',
'show_featured_items','jump_to_item_if_only_one_result','authorization','comment_form_file_location','post_form_file_location',);
'show_featured_items','jump_to_item_if_only_one_result','authorization','comment_form_file_location','post_form_file_location');
$markup_params = array('markup_generator_info' => $this->markup_generator_info,
'item_specific_variables_to_pass' => $this->item_specific_variables_to_pass,
'variables_to_pass' => $this->variables_to_pass);
Expand Down Expand Up @@ -591,7 +591,6 @@ function pre_es_additional_init_actions()
}

$this->_handle_authorization();
$this->_add_facebook_friendly_meta_tags();
}
}

Expand All @@ -608,7 +607,7 @@ function _handle_authorization()
else
{
$netid = $this->get_user_netid();
$item_id = !empty($this->request['story_id']) ? $this->request['story_id'] : NULL;
$item_id = !empty($this->request[ $this->query_string_frag.'_id' ]) ? $this->request[ $this->query_string_frag.'_id' ] : NULL;

$auth = new $GLOBALS[ '_reason_publication_auth_classes' ][$this->params['authorization']]();
$auth->set_username($netid);
Expand Down Expand Up @@ -637,22 +636,50 @@ function _handle_authorization()
}
}

function _add_facebook_friendly_meta_tags()
/**
* Init and add needed head items for social media integration.
*
* This is triggered in post_es_additional_init_actions.
*
* @todo add parameters for further integration that this method pays attention to.
*/
function _init_social_media_integration()
{
if (!empty($this->current_item_id)) // we have an item lets add our meta tags if this is a request from facebook
// for now, lets just add sensible open graph tags for the item if we have a current item
if (!empty($this->current_item_id))
{
if (isset($_SERVER['HTTP_USER_AGENT']) && strrpos($_SERVER['HTTP_USER_AGENT'], "facebookexternalhit") !== false)
{
$item = new entity($this->current_item_id);
if (reason_is_entity($item, 'news'))
{
$title = $item->get_value('release_title');
$description = $item->get_value('description');
$head_items =& $this->get_head_items();
$head_items->add_head_item('meta',array( 'name' => 'title', 'content' => htmlspecialchars(strip_tags($title),ENT_QUOTES,'UTF-8')));
$head_items->add_head_item('meta',array( 'name' => 'description', 'content' => htmlspecialchars(strip_tags($description),ENT_QUOTES,'UTF-8')));
}
}
$this->_add_open_graph_tags_for_item();
}
}

/**
* Add basic metadata using the open graph protocol (http://ogp.me/).
*
* This should improve how shared items appear on facebook and possibly other social networks.
*
* @todo add integration with propietary tags for specific social networks.
*/
function _add_open_graph_tags_for_item()
{
$item = new entity($this->current_item_id);
if (reason_is_entity($item, 'news'))
{
$title = $item->get_value('release_title');
$description = $item->get_value('description');
$url = $this->construct_permalink($item);
if ($teaser = $this->get_teaser_image($item))
{
$teaser = reset($teaser);
$image_url = reason_get_image_url($teaser, 'thumbnail');
}
$site = $this->get_site_entity();
if ($site) $site_name = $site->get_value('name');
$head_items =& $this->get_head_items();
$head_items->add_head_item('meta',array( 'property' => 'og:title', 'content' => htmlspecialchars(strip_tags($title),ENT_QUOTES,'UTF-8')));
$head_items->add_head_item('meta',array( 'property' => 'og:description', 'content' => htmlspecialchars(strip_tags($description),ENT_QUOTES,'UTF-8')));
$head_items->add_head_item('meta',array( 'property' => 'og:url', 'content' => htmlspecialchars(strip_tags($url),ENT_QUOTES,'UTF-8')));
if (!empty($image_url)) $head_items->add_head_item('meta',array( 'property' => 'og:image', 'content' => htmlspecialchars(strip_tags($image_url),ENT_QUOTES,'UTF-8')));
if (!empty($site_name)) $head_items->add_head_item('meta',array( 'property' => 'og:site_name', 'content' => htmlspecialchars(strip_tags($site_name),ENT_QUOTES,'UTF-8')));
}
}

Expand Down Expand Up @@ -1025,6 +1052,7 @@ function further_alter_es()
function post_es_additional_init_actions()
{
if ($this->related_mode) $this->related_post_es_additional_init_actions();
$this->_init_social_media_integration();
}

/**
Expand Down Expand Up @@ -2257,14 +2285,17 @@ function construct_back_to_section_link()

function get_teaser_image($item)
{
$es = new entity_selector();
$es->description = 'Finding teaser image for news item';
$es->set_env( 'site' , $this->site_id );
$es->add_type( id_of('image') );
$es->add_right_relationship( $item->id(), relationship_id_of('news_to_teaser_image') );
$es->set_num (1);
$result = $es->run_one();
return $result;
if (!isset($this->_teasers[$item->id()]))
{
$es = new entity_selector();
$es->description = 'Finding teaser image for news item';
$es->set_env( 'site' , $this->site_id );
$es->add_type( id_of('image') );
$es->add_right_relationship( $item->id(), relationship_id_of('news_to_teaser_image') );
$es->set_num (1);
$this->_teasers[$item->id()] = $es->run_one();
}
return $this->_teasers[$item->id()];
}

function get_item_number($item)
Expand Down Expand Up @@ -2378,14 +2409,18 @@ function get_events_page_url()
}
function get_item_images($item)
{
$es = new entity_selector();
$es->set_env( 'site' , $this->site_id );
$es->description = 'Selecting images for news item';
$es->add_type( id_of('image') );
$es->add_right_relationship( $item->id(), relationship_id_of('news_to_image') );
$es->add_rel_sort_field( $item->id(), relationship_id_of('news_to_image') );
$es->set_order('rel_sort_order');
return $es->run_one();
if (!isset($this->_item_images[$item->id()]))
{
$es = new entity_selector();
$es->set_env( 'site' , $this->site_id );
$es->description = 'Selecting images for news item';
$es->add_type( id_of('image') );
$es->add_right_relationship( $item->id(), relationship_id_of('news_to_image') );
$es->add_rel_sort_field( $item->id(), relationship_id_of('news_to_image') );
$es->set_order('rel_sort_order');
$this->_item_images[$item->id()] = $es->run_one();
}
return $this->_item_images[$item->id()];
}
function get_item_assets($item)
{
Expand Down

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