PHP Surfer::assigned_sections方法代码示例

 /**
  * list sections for one user
  *
  * @param int the id of the target user
  * @param int the offset from the start of the list; usually, 0 or 1
  * @param int the number of items to display
  * @param string the list variant, if any
  * @return mixed the outcome of the layout
  *
  * @see shared/codes.php
  */
 public static function &list_by_date_for_user($user_id, $offset = 0, $count = 10, $variant = 'full')
 {
     global $context;
     // limit the scope of the request for watched sections --that are not also managed
     $where = "(sections.active='Y'";
     if (Surfer::is_logged()) {
         $where .= " OR sections.active='R'";
     }
     if (Surfer::is_associate()) {
         $where .= " OR sections.active='N'";
     }
     $where .= ')';
     // strip dead sections
     if (Surfer::get_id() != $user_id && !Surfer::is_associate()) {
         $where .= " AND ((sections.expiry_date is NULL) " . "OR (sections.expiry_date <= '" . NULL_DATE . "') OR (sections.expiry_date > '" . $context['now'] . "'))";
     }
     // look for watched sections with sub-queries
     $query = "(SELECT sections.* FROM (SELECT DISTINCT CAST(SUBSTRING(members.anchor, 9) AS UNSIGNED) AS target FROM " . SQL::table_name('members') . " AS members WHERE (members.member LIKE 'user:" . SQL::escape($user_id) . "') AND (members.anchor LIKE 'section:%')) AS ids" . ", " . SQL::table_name('sections') . " AS sections" . " WHERE (sections.id = ids.target)" . "\tAND " . $where . ")";
     // include sections assigned to this surfer
     if ($these_items = Surfer::assigned_sections($user_id)) {
         $query = "(SELECT sections.* FROM " . SQL::table_name('sections') . " AS sections" . " WHERE sections.id IN (" . join(', ', $these_items) . "))" . " UNION " . $query;
     }
     // include sections owned by this surfer
     $query = "(SELECT sections.* FROM " . SQL::table_name('sections') . " AS sections" . " WHERE sections.owner_id = " . $user_id . ")" . " UNION " . $query;
     // finalize the query
     $query .= " ORDER BY edit_date DESC, title LIMIT " . $offset . ',' . $count;
     // use existing listing facility
     $output =& Sections::list_selected(SQL::query($query), $variant);
     return $output;
 }

 /**
  * restrict the scope of SQL query
  *
  * @return string to be inserted into a SQL statement
  */
 public static function get_sql_where()
 {
     // display active items
     $where = "articles.active='Y'";
     // add restricted items to members and for trusted hosts, or if teasers are allowed
     if (Surfer::is_logged() || Surfer::is_trusted() || Surfer::is_teased()) {
         $where .= " OR articles.active='R'";
     }
     // include hidden items for associates and for trusted hosts, or if teasers are allowed
     if (Surfer::is_associate() || Surfer::is_trusted() || Surfer::is_teased()) {
         $where .= " OR articles.active='N'";
     } else {
         // include articles from managed sections
         if ($my_sections = Surfer::assigned_sections()) {
             $where .= " OR articles.anchor IN ('section:" . join("', 'section:", $my_sections) . "')";
         }
         // include managed pages for editors
         if ($my_articles = Surfer::assigned_articles()) {
             $where .= " OR articles.id IN (" . join(', ', $my_articles) . ")";
         }
     }
     // end of active filter
     $where = '(' . $where . ')';
     // job done
     return $where;
 }

 /**
  * search for some keywords in all files
  *
  * Only files matching following criteria are returned:
  * - file is visible (active='Y')
  * - file is restricted (active='R'), but surfer is a logged user
  * - file is restricted (active='N'), but surfer is an associate
  *
  * @param string searched tokens
  * @param float maximum score to look at
  * @param int the number of items to display
  * @param string the list variant, if any
  * @return NULL on error, else an ordered array of array($score, $summary)
  */
 public static function &search($pattern, $offset = 1.0, $count = 50, $variant = 'search')
 {
     global $context;
     // sanity check
     if (!($pattern = trim($pattern))) {
         $output = NULL;
         return $output;
     }
     // limit the scope of the request
     $where = "active='Y'";
     if (Surfer::is_logged() || Surfer::is_teased()) {
         $where .= " OR active='R'";
     }
     if (Surfer::is_associate() || Surfer::is_teased()) {
         $where .= " OR active='N'";
     } else {
         // files attached to managed sections
         if ($my_sections = Surfer::assigned_sections()) {
             $where .= " OR anchor IN ('section:" . join("', 'section:", $my_sections) . "')";
             // files attached to pages in managed sections
             $where .= " OR anchor IN (SELECT CONCAT('article:', id) FROM " . SQL::table_name('articles') . "  WHERE anchor IN ('section:" . join("', 'section:", $my_sections) . "'))";
         }
         // files attached to managed articles
         if ($my_articles = Surfer::assigned_articles()) {
             $where .= " OR anchor IN ('article:" . join("', 'article:", $my_articles) . "')";
         }
     }
     // how to compute the score for files
     $score = "(MATCH(title, source, keywords)" . " AGAINST('" . SQL::escape($pattern) . "' IN BOOLEAN MODE)" . "/SQRT(GREATEST(1.1, DATEDIFF(NOW(), edit_date))))";
     // the list of files
     $query = "SELECT *, " . $score . " AS score FROM " . SQL::table_name('files') . " AS files" . " WHERE (" . $score . " < " . $offset . ") AND (" . $score . " > 0)" . "  AND (" . $where . ")" . " ORDER BY score DESC" . " LIMIT " . $count;
     // do the query
     $output =& Files::list_selected(SQL::query($query), $variant);
     return $output;
 }

 /**
  * list the articles by rating sum related to a given category or to any other anchor
  *
  * Actually list articles by rating sum, then by date. Note that articles are never ranked into a category list.
  *
  * Only articles matching following criteria are returned:
  * - article is visible (active='Y')
  * - article is restricted (active='R'), but surfer is a logged user
  * - article is restricted (active='N'), but surfer is an associate
  * - article has been officially published
  * - an expiry date has not been defined, or is not yet passed
  *
  * @param the target anchor
  * @param int the offset from the start of the list; usually, 0 or 1
  * @param int the number of items to display
  * @param string the list variant, if any
  * @return NULL on error, else an ordered array with $url => ($prefix, $label, $suffix, $icon)
  *
  * @see categories/print.php
  * @see categories/view.php
  */
 public static function &list_articles_by_rating_for_anchor($anchor, $offset = 0, $count = 10, $variant = NULL, $lang = false)
 {
     global $context;
     // locate where we are
     if (!$variant) {
         $variant = $anchor;
     }
     // limit the scope of the request
     $where = "(articles.active='Y'";
     if (Surfer::is_logged()) {
         $where .= " OR articles.active='R'";
     }
     if (Surfer::is_empowered('S')) {
         $where .= " OR articles.active='N'";
     }
     // include managed sections
     if ($my_sections = Surfer::assigned_sections()) {
         $where .= " OR articles.anchor IN ('section:" . join("', 'section:", $my_sections) . "')";
     }
     // include managed pages for editors
     if ($my_articles = Surfer::assigned_articles()) {
         $where .= " OR articles.id IN (" . join(', ', $my_articles) . ")";
     }
     $where .= ")";
     // limit the scope by language
     if ($lang) {
         $where .= " AND ( articles.language='" . SQL::escape($lang) . "' OR articles.language='')";
     }
     // see only published articles in categories
     $where .= " AND NOT ((articles.publish_date is NULL) OR (articles.publish_date <= '0000-00-00'))" . " AND (articles.publish_date < '" . $context['now'] . "')";
     // only consider live articles
     $where .= " AND ((articles.expiry_date is NULL) " . "OR (articles.expiry_date <= '" . NULL_DATE . "') OR (articles.expiry_date > '" . $context['now'] . "'))";
     // the list of articles
     $query = "SELECT articles.*" . " FROM (" . SQL::table_name('members') . " AS members" . ", " . SQL::table_name('articles') . " AS articles)" . " WHERE (members.anchor LIKE '" . SQL::escape($anchor) . "')" . "\tAND (members.member_type LIKE 'article')" . "\tAND (articles.id = members.member_id)" . "\tAND " . $where . " ORDER BY rating_sum, edit_date DESC LIMIT " . $offset . ',' . $count;
     // use existing listing facility
     $output =& Articles::list_selected(SQL::query($query), $variant);
     return $output;
 }