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+<?php
+
+/*
+ +-----------------------------------------------------------------------+
+ | program/include/rcube_addressbook.php |
+ | |
+ | This file is part of the RoundCube Webmail client |
+ | Copyright (C) 2006-2009, RoundCube Dev. - Switzerland |
+ | Licensed under the GNU GPL |
+ | |
+ | PURPOSE: |
+ | Interface to the local address book database |
+ | |
+ +-----------------------------------------------------------------------+
+ | Author: Thomas Bruederli <roundcube@gmail.com> |
+ +-----------------------------------------------------------------------+
+
+ $Id: $
+
+*/
+
+
+/**
+ * Abstract skeleton of an address book/repository
+ *
+ * @package Addressbook
+ */
+abstract class rcube_addressbook
+{
+ /** public properties */
+ var $primary_key;
+ var $readonly = true;
+ var $ready = false;
+ var $list_page = 1;
+ var $page_size = 10;
+
+ /**
+ * Save a search string for future listings
+ *
+ * @param mixed Search params to use in listing method, obtained by get_search_set()
+ */
+ abstract function set_search_set($filter);
+
+ /**
+ * Getter for saved search properties
+ *
+ * @return mixed Search properties used by this class
+ */
+ abstract function get_search_set();
+
+ /**
+ * Reset saved results and search parameters
+ */
+ abstract function reset();
+
+ /**
+ * List the current set of contact records
+ *
+ * @param array List of cols to show
+ * @param int Only return this number of records, use negative values for tail
+ * @return array Indexed list of contact records, each a hash array
+ */
+ abstract function list_records($cols=null, $subset=0);
+
+ /**
+ * Search records
+ *
+ * @param array List of fields to search in
+ * @param string Search value
+ * @param boolean True if results are requested, False if count only
+ * @return Indexed list of contact records and 'count' value
+ */
+ abstract function search($fields, $value, $strict=false, $select=true);
+
+ /**
+ * Count number of available contacts in database
+ *
+ * @return object rcube_result_set Result set with values for 'count' and 'first'
+ */
+ abstract function count();
+
+ /**
+ * Return the last result set
+ *
+ * @return object rcube_result_set Current result set or NULL if nothing selected yet
+ */
+ abstract function get_result();
+
+ /**
+ * Get a specific contact record
+ *
+ * @param mixed record identifier(s)
+ * @param boolean True to return record as associative array, otherwise a result set is returned
+ * @return mixed Result object with all record fields or False if not found
+ */
+ abstract function get_record($id, $assoc=false);
+
+ /**
+ * Close connection to source
+ * Called on script shutdown
+ */
+ function close() { }
+
+ /**
+ * Set internal list page
+ *
+ * @param number Page number to list
+ * @access public
+ */
+ function set_page($page)
+ {
+ $this->list_page = (int)$page;
+ }
+
+ /**
+ * Set internal page size
+ *
+ * @param number Number of messages to display on one page
+ * @access public
+ */
+ function set_pagesize($size)
+ {
+ $this->page_size = (int)$size;
+ }
+
+ /**
+ * Create a new contact record
+ *
+ * @param array Assoziative array with save data
+ * @param boolean True to check for duplicates first
+ * @return The created record ID on success, False on error
+ */
+ function insert($save_data, $check=false)
+ {
+ /* empty for read-only address books */
+ }
+
+ /**
+ * Update a specific contact record
+ *
+ * @param mixed Record identifier
+ * @param array Assoziative array with save data
+ * @return True on success, False on error
+ */
+ function update($id, $save_cols)
+ {
+ /* empty for read-only address books */
+ }
+
+ /**
+ * Mark one or more contact records as deleted
+ *
+ * @param array Record identifiers
+ */
+ function delete($ids)
+ {
+ /* empty for read-only address books */
+ }
+
+ /**
+ * Remove all records from the database
+ */
+ function delete_all()
+ {
+ /* empty for read-only address books */
+ }
+
+}
+ \ No newline at end of file