<?php

/***************************************************************

*  Copyright notice

*  (c) 2009, jianyuzhu@gmail.com

*  All rights reserved

*  This script is part of the PPEMI project.

***************************************************************/



class BaseItemTypeBase extends Base {

	var $table = '';

	var $prefix = '';

	

	//

	var $_table_owner_field = 'owner';

	var $_table_owner_prefix = '';

	var $_table_owner_usable = true;

	var $_table_status_usable = false;

	

	//

	var $format = true;

	var $format_check = false;

	var $format_prefix = 'field_';

	var $item_link = false;

	var $item_link_owner = false;

	var $item_fields = array('id', 'name', 'link');

	var $list_fields = array();

	var $search_fields = array('name');

	var $search_type = 'or';

	var $sort_order = true;

	var $sort_fields = array('sort_order+', 'name+');

	var $filter_fields = array();

	var $filter_map = array();

	var $filter_query = array();

	

	//

	var $type = '';

	var $types = array();

	var $type_limit = true;

	

	//constructor

	function BaseItemTypeBase($table = '') {

		parent::Base();

		

		if( $table != '' ) {

			$this->table = $table;

		}

	}

	

	function setType($type) {

		$this->type = $type;

	}

	

	function getType() {

		return $this->type;

	}

	

	function setProperty($name, $value = '') {

		if( is_array($name) ) {

			foreach($name as $k => $v) {

				$this->$k = $v;

			}

		} else {

			$this->$name = $value;

		}

	}

	

	function getProperty($name) {

		if( isset($this->$name) ) {

			return $this->$name;

		}

		

		return NULL;

	}

	

	function property($data) {

		if( is_array($data) ) {

			return $this->setProperty($data);

		} else {

			return $this->getProperty($data);

		}

	}

	

	function _pk() {

		return $this->prefix . $this->pkey;

	}

	

	function _pf($field) {

		return $this->prefix . $field;	

	}

	

	function setFilterQuery($name, $value = '') {

		if( is_array($name) ) {

			$this->filter_query = $name;

		} else {

			$this->filter_query[$name] = $value;

		}

	}

	

	//methods

	function getItems($filter = '', $check = 0, $limit = true) {

		$query_str = "";

		$query_str .= $this->_query_type();

		$query_str .= $this->_get_query_str($filter, $check);

		

		$query_order_str = "";

		if( $this->sort_order == true ) {

			if( is_array($this->sort_fields) ) {

				$query_order_str = " order by ";

				$i = 0;

				foreach($this->sort_fields as $k => $v) {

					if( substr($v, 0, 1) == '=' ) {

						$v = substr($v, 1);

					} else {

						$v = $this->prefix . $v;

					}

					if( substr($v, -1) == '-' ) {

						$as = 'desc';

						$v = substr($v, 0, -1);

					} elseif( substr($v, -1) == '+' ) {

						$as = 'asc';

						$v = substr($v, 0, -1);

					} else {

						$as = 'asc';

					}

					if( $i > 0 ) {

						$query_order_str .= ", ";

					}

					$query_order_str .= " " . $v . " " . $as;

					$i++;

				}

			} else {

				$query_order_str = " order by " . $this->prefix . "sort_order asc";

			}

		}

		

		$query_limit_str = "";

		if( $limit == true ) {

			$query_limit_str = $this->getQueryLimitStr();

		}

		

		$query = "select * from " . $this->table . " where " . $this->_query_owner_rt() . " " 

				. $query_str . $query_order_str . $query_limit_str;

		$rows = $this->adb->getRows($query);

		

		if( $this->format == true ) {

			for($i=0, $n=sizeof($rows); $i<$n; $i++) {

				$rows[$i] = $this->_post_field($rows[$i], '', $this->prefix, $this->format_check);

			}

		}

		

		return $rows;

	}

	

	function getItemsTotal($filter = '', $check = 0) {

		$query_str = "";

		$query_str .= $this->_query_type();

		$query_str .= $this->_get_query_str($filter, $check);

		

		return $this->adb->getCountA($this->table, " " . $this->_query_owner_rt() . " " . $query_str . " ");

	}

	

	function getItemsFormat($filter = '', $check = 0, $limit = true, $field = '') {

		$items = $this->getItems($filter, $check, $limit);

		$pf = $this->prefix;

		if( $this->format == true ) {

			$pf = '';

		}

		$itemsf = array();

		for($i=0, $n=sizeof($items); $i<$n; $i++) {

			$f1 = $pf . 'id';

			$f2 = $pf . 'id';

			$f3 = 0;

			if( is_array($field) && sizeof($field) >= 2 ) {

				$f1 = $field['0'];

				$f2 = $field['1'];

				if( substr($f1, 0, 1) == '=' ) {

					$f1 = substr($f1, 1);

				} elseif( substr($f1, 0, 1) == '_' ) {

					$f1 = $pf . substr($f1, 1);

				} else {

					$f1 = $pf . $f1;

				}

				if( substr($f2, 0, 1) == '=' ) {

					$f2 = substr($f2, 1);

				} elseif( substr($f2, 0, 1) == '_' ) {

					$f2 = $pf . substr($f2, 1);

				} else {

					$f2 = $pf . $f2;

				}

			} elseif( $field != '' ) {

				$f2 = $field;

				if( substr($f2, 0, 1) == '=' ) {

					$f2 = substr($f2, 1);

				} elseif( substr($f2, 0, 1) == '_' ) {

					$f2 = $pf . substr($f2, 1);

				} else {

					$f2 = $pf . $f2;

				}

			} elseif( isset($items[$i][$pf . 'name']) && strlen($items[$i][$pf . 'name']) > 0 ) {

				$f2 = $pf . 'name';

			} elseif( isset($items[$i][$pf . 'subject']) && strlen($items[$i][$pf . 'subject']) > 0 ) {

				$f2 = $pf . 'subject';

			}

			$itemsf[$items[$i][$f1]] = $items[$i][$f2];

		}

		

		return $itemsf;

	}

	

	//

	function checkItem($value, $type = 'id') {

		$value = func_db_input($value);

		

		if( is_array($this->item_fields) && sizeof($this->item_fields) > 0 && in_array($type, $this->item_fields) ) {

			$field = $this->prefix . $type;

		} elseif( in_array($type, array('id', 'link')) ) {

			$field = $this->prefix . $type;

			if( $type == 'id' ) {

				$value = intval($value);

			}

		} else {

			return false;

		}

		$query = "select count(*) as count from " . $this->table . " where " . $this->_query_owner_rt() . " " 

				. " and " . $field . " = '" . $value . "'";

		

		return $this->adb->checkCount($query);

	}

	

	function getItem($value, $type = 'id') {

		$value = func_db_input($value);

		

		if( is_array($this->item_fields) && sizeof($this->item_fields) > 0 && in_array($type, $this->item_fields) ) {

			$field = $this->prefix . $type;

		} elseif( in_array($type, array('id', 'link')) ) {

			$field = $this->prefix . $type;

			if( $type == 'id' ) {

				$value = intval($value);

			}

		} else {

			return false;

		}

		$query_str = "";

		$query_str .= " and " . $field . " = '" . $value . "'";

		$query = "select * from " . $this->table . " where " . $this->_query_owner_rt() . " " . $query_str;

		

		$item = $this->adb->getRow($query);

		if( $this->format == true ) {

			$item = $this->_post_field($item, '', $this->prefix, $this->format_check);

		}

		

		return $item;

	}

	

	function addItem($data_array) {

		if( !$this->_not_null($data_array) || !is_array($data_array) ) {

			return false;

		}

		

		$data_array = func_db_input($data_array);

		$data_array = $this->_post_field($data_array, $this->prefix, $this->format_prefix, $this->format_check);

		

		$data_array[$this->prefix . 'type'] = $this->_get_type();

		if( $this->_table_owner_usable == true ) {

			if( $this->_table_owner_prefix == '=' ) {

				$p = '';

			} elseif( $this->_table_owner_prefix == '+' ) {

				$p = $this->prefix;

			} elseif( $this->_table_owner_prefix == '' ) {

				$p = $this->prefix;

			} else {

				$p = $this->_table_owner_prefix;

			}

			$data_array[$p . $this->_table_owner_field] = $this->owner;

		}

		$data_array[$this->prefix . 'date_added'] = 'now()';

		$data_array[$this->prefix . 'added_by'] = $this->_get_current_user();

		$data_array[$this->prefix . 'status'] = '1';

		

		//$items_id = $this->adb->insertA($this->table, $data_array);

		$items_id = $this->_insert($this->table, $data_array);

		

		return $items_id;

	}

	

	function addItems($data_array) {

		$items_ids = array();

		if( is_array($data_array) ) {

			foreach($data_array as $k => $v) {

				$items_ids[] = $this->addItem($v);

			}

		}

		

		return $items_ids;

	}

	

	function updateItem($items_id, $data_array) {

		if( !$this->_not_null($items_id) || !$this->_not_null($data_array) || !is_array($data_array) ) {

			return false;

		}

		

		$data_array = func_db_input($data_array);

		$data_array = $this->_post_field($data_array, $this->prefix, $this->format_prefix, $this->format_check);

		

		$data_array[$this->prefix . 'last_modified'] = 'now()';

		$data_array[$this->prefix . 'modified_by'] = $this->_get_current_user();

		

		//return $this->adb->updateA($this->table, $data_array, "" . $this->_query_owner_rt() . " and " . $this->prefix . "id = '" . (int)$items_id . "'");

		return $this->_update($this->table, $data_array, "" . $this->_query_owner_rt() . " and " . $this->prefix . "id = '" . (int)$items_id . "'");

	}

	

	function updateItems($items_ids, $data_array) {

		if( is_array($items_ids) ) {

			if( sizeof($items_ids) > 30 ) {

				foreach($items_ids as $k => $items_id) {

					$this->_update($this->table, $data_array, "" . $this->_query_owner_rt() . " and " . $this->prefix . "id = '" . (int)$items_id . "'");

				}

			} else {

				$query_ids = "'" . implode("', '", array_values($items_ids)) . "'";

				$this->_update($this->table, $data_array, "" . $this->_query_owner_rt() . " and " . $this->prefix . "id in (" . $query_ids . ")");

			}

		}

	}

	

	function deleteItem($items_id) {

		if( !$this->_not_null($items_id) ) {

			return false;

		}

		

		$this->adb->deleteA($this->table, " " . $this->_query_owner_rt() . " and " . $this->prefix . "id = '" . (int)$items_id . "'");

		

		return true;

	}

	

	function deleteItems($items_ids) {

		if( is_array($items_ids) ) {

			$this->_delete_ins($this->table, $this->prefix . 'id', $items_ids);

		}

	}

	

	function setItemsStatus($items_ids, $status = 1) {

		if( is_array($items_ids) ) {

			$this->_update_ins($this->table, "" . $this->prefix . "status = '" . (int)$status . "'", $this->prefix . 'id', $items_ids);

		}

	}

	

	//

	function check($items_id) {

		$count = $this->adb->getCountA($this->table, $this->prefix . "id = '" . (int)$items_id . "'");

		

		return ($count > 0) ? true : false;

	}

	

	function get($items_id) {

		return $this->adb->getRowA($this->table, $this->prefix . "id = '" . (int)$items_id . "'");

	}

	

	function add($data_array) {

		if( !$this->_not_null($data_array) || !is_array($data_array) ) {

			return false;

		}

		

		$data_array = func_db_input($data_array);

		$data_array = $this->_post_field($data_array, $this->prefix, $this->format_prefix, $this->format_check);

		

		$data_array[$this->prefix . 'date_added'] = 'now()';

		$data_array[$this->prefix . 'added_by'] = $this->_get_current_user();

		$data_array[$this->prefix . 'status'] = '1';

		

		return $this->adb->insertA($this->table, $data_array);

	}

	

	function update($items_id, $data_array) {

		if( !$this->_not_null($items_id) ) {

			return false;

		}

		

		$data_array = func_db_input($data_array);

		$data_array = $this->_post_field($data_array, $this->prefix, $this->format_prefix, $this->format_check);

		

		$data_array[$this->prefix . 'last_modified'] = 'now()';

		$data_array[$this->prefix . 'modified_by'] = $this->_get_current_user();

		

		return $this->adb->updateA($this->table, $data_array, $this->prefix . "id = '" . (int)$items_id . "'");

	}

	

	function delete($items_id) {

		return $this->adb->deleteA($this->table, $this->prefix . "id = '" . (int)$items_id . "'");

	}

	

	//private

	function _get_query_str($filter = '', $check = 0) {

		$query_str = "";

		if( $check == -1 ) {

			$query_str .= "";

		} elseif( $this->_table_status_usable == true ) {

			$query_str .= " and " . $this->prefix . "status = 1";

		}

		if( is_array($filter) ) {

			$filter = func_db_input($filter);

			if( is_array($this->filter_query) ) {

				$filter = array_merge($filter, $this->filter_query);

			}

			//

			if( isset($filter['keyword']) && $this->_not_null($filter['keyword']) == true ) {

				if( is_array($this->search_fields) ) {

					if( $this->search_type != 'or' ) {

						$this->search_type = 'and';

					}

					$i = 0;

					$query_str .= " and ( ";

					foreach($this->search_fields as $k => $field) {

						if( $i > 0 ) {

							$query_str .= " " . $this->search_type . " ";

						}

						$query_str .= " " . $this->prefix . $field . " like '%" . $filter['keyword'] . "%' ";

						$i++;

					}

					$query_str .= " ) ";

				} elseif( is_string($this->search_fields) ) {

					$query_str .= " and " . $this->prefix . $this->search_fields . " like '%" . $filter['keyword'] . "%' ";

				}

			}

			if( isset($filter['ids']) && $this->_not_null($filter['ids']) == true ) {

				if( is_array($filter['ids']) ) {

					$query_str .= " and " . $this->prefix . "id in (" . $this->_implode(', ', $filter['ids']) . ") ";

				} else {

					$query_str .= " and " . $this->prefix . "id = '" . (int)$filter['ids'] . "' ";

				}

			}

			if( isset($filter['category']) ) {

				if( is_array($filter['category']) ) {

					$query_str .= " and categories_id in (" . $this->_implode(', ', $filter['category']) . ") ";

				} else {

					$query_str .= " and categories_id = '" . (int)$filter['category'] . "' ";

				}

			}

			if( is_array($this->filter_fields) && sizeof($this->filter_fields) > 0 ) {

				foreach($filter as $k => $v) {

					if( in_array($k, $this->filter_fields) ) {

						if( is_array($v) && sizeof($v) > 0 ) {

							$query_str .= " and " . $this->prefix . $k . " in ('" . implode("','", $v) . "') ";

						} elseif( is_int($v) ) {

							$query_str .= " and " . $this->prefix . $k . " = '" . $v . "' ";

						} elseif( is_numeric($v) ) {

							$query_str .= " and " . $this->prefix . $k . " = '" . $v . "' ";

						} elseif( is_string($v) ) {

							$query_str .= " and " . $this->prefix . $k . " like '%" . $v . "%' ";

						} else {

							$query_str .= " and " . $this->prefix . $k . " like '%" . $v . "%' ";

						}

					}

				}

			}

		}

		//

		$query_str .= $this->_get_query_str_custom($filter, $check);

		

		return $query_str;

	}

	

	function _get_query_str_custom($filter = '', $check = 0) {

		return "";

	}

	

	//type

	function _query_type($p = '', $type = '') {

		$query = "";

		$types = $this->types;

		$type = ($type == '') ? $this->type : '';

		if( substr($type, 0, 1) == '!' ) {

			$type = substr($type, 1);

			$query .= " and (";

			$i = 0;

			foreach($types as $k => $v) {

				if( $v != $type ) {

					if( $i > 0 ) {

						$query .= " or ";

					}

					$query .= (($p == '') ? '' : $p . ".") . $this->prefix . "type = '" . $v . "' ";

					$i++;

				}

			}

			$query .= ") ";

			

			return $query;

		} elseif( strstr($type, '|') !== false ) {

			$query .= " and (";

			$i = 0;

			$ts = explode("|", $type);

			foreach($ts as $k => $v) {

				if( $i > 0 ) {

					$query .= " or ";

				}

				$query .= (($p == '') ? '' : $p . ".") . $this->prefix . "type = '" . $v . "' ";

				$i++;

			}

			$query .= ") ";

			

			return $query;

		} else {

			if( in_array($type, $types) ) {

				return " and " . (($p == '') ? '' : $p . ".") . $this->prefix . "type = '" . $type . "' ";

			}

		}

		

		return '';

	}

	

	function _get_type() {

		if( $this->type_limit == true && is_array($this->types) ) {

			if( in_array($this->type, $this->types) ) {

				return $this->type;

			} else {

				return '';

			}

		}

		

		return $this->type;

	}

}

//

?>