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borrowed_item.php
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<?php
/*
Open Media Collectors Database
Copyright (C) 2001,2013 by Jason Pell
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// This file contains functions for manipulating the borrowed_item table.
// including viewing and updating details.
include_once("./lib/user.php");
include_once("./lib/item.php");
include_once("./lib/utils.php");
include_once("./lib/database.php");
include_once("./lib/logging.php");
include_once("./lib/datetime.php");
function handle_reserve($item_id, $instance_no, $borrower_id, $more_information, &$errors) {
$status_type_r = fetch_status_type_r ( fetch_item_s_status_type ( $item_id, $instance_no ) );
if ($status_type_r ['borrow_ind'] != 'Y') {
$errors = get_opendb_lang_var ( 's_status_type_items_cannot_be_borrowed', 's_status_type_desc', $status_type_r ['description'] );
return FALSE;
} else if (is_user_owner_of_item ( $item_id, $instance_no, $borrower_id ) && get_opendb_config_var ( 'borrow', 'owner_self_checkout' ) !== TRUE) {
$errors = get_opendb_lang_var ( 'cannot_reserve_items_you_own' );
return FALSE;
} else if (is_item_borrowed_by_user ( $item_id, $instance_no, $borrower_id )) {
$errors = get_opendb_lang_var ( 'you_have_it_borrowed' );
return FALSE;
} else if (is_item_reserved_by_user ( $item_id, $instance_no, $borrower_id )) {
$errors = get_opendb_lang_var ( 'you_have_reservation' );
return FALSE;
} else if (get_opendb_config_var ( 'borrow', 'allow_reserve_if_borrowed' ) === FALSE && is_item_borrowed ( $item_id, $instance_no )) {
$errors = get_opendb_lang_var ( 'item_is_already_checked_out' );
return FALSE;
} else if (get_opendb_config_var ( 'borrow', 'allow_multi_reserve' ) === FALSE && is_item_reserved ( $item_id, $instance_no )) {
$errors = get_opendb_lang_var ( 'item_is_already_reserved' );
return FALSE;
} else {
// All but the actual reservation of item should occur, when this variable is set to TRUE.
if (get_opendb_config_var ( 'borrow', 'reserve_email_only' ) !== TRUE) {
$new_borrowed_item_id = reserve_item ( $item_id, $instance_no, $borrower_id, $more_information );
if ($new_borrowed_item_id !== FALSE) {
return new_borrowed_item_id;
} else {
return FALSE;
}
} else {
opendb_logger ( OPENDB_LOG_INFO, __FILE__, __FUNCTION__, 'No Reservation was made because reserve email only is enabled.', array (
$item_id,
$instance_no,
$borrower_id ) );
return TRUE;
}
}
}
/**
* A handle_quick_checkout will only ever handle one request at a time, because
* they are initiated from item_display & listings.php, but not borrow.php
*/
function handle_quick_checkout($item_id, $instance_no, $borrower_id, $borrow_duration, $more_information, &$errors) {
if (! is_user_valid ( $borrower_id )) {
$errors = get_opendb_lang_var ( 'invalid_borrower_user', 'user_id', $borrower_id );
return FALSE;
} else if (! is_user_granted_permission ( PERM_USER_BORROWER, $borrower_id )) {
$errors = get_opendb_lang_var ( 'user_must_be_borrower', 'user_id', $borrower_id );
return FALSE;
} else if (! is_user_allowed_to_checkout_item ( $item_id, $instance_no )) {
$errors = get_opendb_lang_var ( 'not_owner_of_item' );
return FALSE;
} else if (is_user_owner_of_item ( $item_id, $instance_no, $borrower_id ) && get_opendb_config_var ( 'borrow', 'owner_self_checkout' ) !== TRUE) {
$errors = get_opendb_lang_var ( 'cannot_checkout_items_you_own' );
return FALSE;
} else if (is_item_borrowed ( $item_id, $instance_no )) {
$errors = get_opendb_lang_var ( 'item_is_already_checked_out' );
return FALSE;
}
$sequence_number = fetch_borrowed_item_seq_no ( $item_id, $instance_no, 'R', $borrower_id );
if ($sequence_number !== FALSE) {
if (get_opendb_config_var ( 'borrow', 'quick_checkout_use_existing_reservation' ) !== FALSE) {
if (check_out_item ( $sequence_number, $borrow_duration, $more_information )) {
return $sequence_number;
} else {
return FALSE;
}
} else {
$errors = get_opendb_lang_var ( 'user_has_reservation', 'user_id', $borrower_id );
return FALSE;
}
} else { //if($sequence_number !== FALSE)
$status_type_r = fetch_status_type_r ( fetch_item_s_status_type ( $item_id, $instance_no ) );
if ($status_type_r ['borrow_ind'] == 'Y') {
$new_borrowed_item_id = quick_check_out_item ( $item_id, $instance_no, $borrower_id, $borrow_duration, $more_information );
if ($new_borrowed_item_id !== FALSE) {
return $new_borrowed_item_id;
} else {
return FALSE;
}
} else {
$errors = get_opendb_lang_var ( 's_status_type_items_cannot_be_borrowed', 's_status_type_desc', $status_type_r ['description'] );
return FALSE;
}
}
}
/**
*/
function handle_cancelreserve($sequence_number, $more_information, &$errors) {
$borrowed_item_r = fetch_borrowed_item_r ( $sequence_number );
if ($borrowed_item_r ['borrower_id'] !== get_opendb_session_var ( 'user_id' ) && ! is_user_owner_of_item ( $borrowed_item_r ['item_id'], $borrowed_item_r ['instance_no'] ) && ! is_user_granted_permission ( PERM_ADMIN_BORROWER )) {
$errors = get_opendb_lang_var ( 'not_allowed_cancel_reserve' );
return FALSE;
} else if ($borrowed_item_r ['status'] == 'X') {
$errors = get_opendb_lang_var ( 'already_cancelled' );
return FALSE;
} else if ($borrowed_item_r ['status'] != 'R') {
$errors = get_opendb_lang_var ( 'borrowed_item_not_found' );
return FALSE;
} else {
if (cancel_reserve_item ( $sequence_number, $more_information )) {
return TRUE;
} else {
return FALSE;
}
}
}
/**
*/
function handle_checkout($sequence_number, $borrow_duration, $more_information, &$errors) {
$item_r = fetch_borrowed_item_r ( $sequence_number );
if (! is_user_allowed_to_checkout_item ( $item_r ['item_id'], $item_r ['instance_no'] )) {
$errors = get_opendb_lang_var ( 'not_owner_of_item' );
return FALSE;
} else if (is_item_borrowed ( $item_r ['item_id'], $item_r ['instance_no'] )) {
$errors = get_opendb_lang_var ( 'item_is_already_checked_out' );
return FALSE;
} else if ($item_r ['status'] != 'R') {
$errors = get_opendb_lang_var ( 'borrowed_item_not_found' );
return FALSE;
}
if (check_out_item ( $sequence_number, $borrow_duration, $more_information )) {
return TRUE;
} else {
return FALSE;
}
}
function is_user_allowed_to_checkout_item($item_id, $instance_no) {
if (is_user_owner_of_item ( $item_id, $instance_no ))
return TRUE;
else if (is_user_granted_permission ( PERM_ADMIN_BORROWER ))
return TRUE;
else
return FALSE;
}
function is_user_allowed_to_checkin_item($item_id, $instance_no) {
if (is_user_owner_of_item ( $item_id, $instance_no ))
return TRUE;
else if (is_user_granted_permission ( PERM_ADMIN_BORROWER ) && is_item_borrowed_by_user ( $item_id, $instance_no ))
return TRUE;
else
return FALSE;
}
/**
* admin borrower can checkin items they themselves have checked out, but they
* cannot checkin anyone elses items.
*
* @param unknown_type $sequence_number
* @param unknown_type $errors
* @return unknown
*/
function handle_checkin($sequence_number, $more_information, &$errors) {
$item_r = fetch_borrowed_item_r ( $sequence_number );
if (! is_user_allowed_to_checkin_item ( $item_r ['item_id'], $item_r ['instance_no'] )) {
$errors = get_opendb_lang_var ( 'not_owner_of_item' );
return FALSE;
} else if ($item_r ['status'] == 'C') {
$errors = get_opendb_lang_var ( 'already_checked_in' );
return FALSE;
} else if ($item_r ['status'] != 'B') {
$errors = get_opendb_lang_var ( 'borrowed_item_not_found' );
return FALSE;
} else {
if (check_in_item ( $sequence_number, $more_information )) {
return TRUE;
} else {
return FALSE;
}
}
}
function handle_reminder($sequence_number, &$errors) {
$borrowed_item_r = fetch_borrowed_item_r ( $sequence_number );
if (! is_user_owner_of_item ( $borrowed_item_r ['item_id'], $borrowed_item_r ['instance_no'] ) && ! is_user_granted_permission ( PERM_ADMIN_BORROWER )) {
$errors = get_opendb_lang_var ( 'not_owner_of_item' );
return FALSE;
} else if ($borrowed_item_r ['status'] == 'C') {
$errors = get_opendb_lang_var ( 'already_checked_in' );
return FALSE;
} else if ($borrowed_item_r ['status'] != 'B') {
$errors = get_opendb_lang_var ( 'borrowed_item_not_found' );
return FALSE;
} else {
return TRUE;
}
}
function handle_extension($sequence_number, $borrow_extension, $more_information, &$errors) {
$borrowed_item_r = fetch_borrowed_item_r ( $sequence_number );
if (! is_user_owner_of_item ( $borrowed_item_r ['item_id'], $borrowed_item_r ['instance_no'] ) && ! is_user_granted_permission ( PERM_ADMIN_BORROWER )) {
$errors = get_opendb_lang_var ( 'not_owner_of_item' );
return FALSE;
} else if ($borrowed_item_r ['status'] == 'C') {
$errors = get_opendb_lang_var ( 'already_checked_in' );
return FALSE;
} else if ($borrowed_item_r ['status'] != 'B') {
$errors = get_opendb_lang_var ( 'borrowed_item_not_found' );
return FALSE;
} else {
if (item_borrow_duration_extension ( $sequence_number, $borrow_extension, $more_information ))
return TRUE;
else
return FALSE;
}
}
/**
The only status's that are valid for allowing a user access to the borrowed item
or auxiliary details, such as the address of the other party are B and R.
There are certain rules in effect for which of the borrower or owner is the active
party against the borrowed item record at any time. If the item is reserved, then
the uid must correspond to the owner. If the item is borrowed, then the uid must
correspond to the borrower.
if current user is owner of any items borrowed / reserved by other user
if other user is owner of any items borrowed / reserved by current user
@param $current_user user checking access for
@param $other_user double check to ensure that in any case, the other user attached to this
borrowed item is that specified. This is a time saving measure
*/
function is_owner_and_borrower($owner_id, $borrower_id) {
$query = "SELECT 'X'
FROM borrowed_item b,
item_instance ii
WHERE b.item_id = ii.item_id AND
b.instance_no = ii.instance_no AND
b.status IN ('R', 'B') AND
ii.owner_id = '$owner_id' AND
b.borrower_id = '$borrower_id'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return TRUE;
}
//else
return FALSE;
}
/**
Format order_by clause for borrow.php resultset functions
*/
function get_orderby_clause($order_by, $sortorder) {
if ($order_by === "s_item_type")
return "order by i.s_item_type $sortorder";
else if ($order_by === "title")
return "order by i.title $sortorder";
else if ($order_by === "borrower")
return "order by bi.borrower_id $sortorder";
else if ($order_by === "owner")
return "order by ii.owner_id $sortorder";
else if ($order_by === "update_on" || strlen ( $order_by ) == 0)
return "ORDER BY bi.update_on $sortorder"; //no order by!
else
return "ORDER BY $order_by $sortorder";
}
//
// Count of total items borrowed
//
function fetch_all_borrowed_item_cnt() {
$query = "SELECT count('x') AS count FROM borrowed_item bi " . "WHERE bi.status = 'B'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
function fetch_all_borrowed_item_rs($order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, bi.more_information, UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) as due_date, bi.borrower_id, i.s_item_type, i.title, ii.owner_id, ii.s_status_type " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND " . "bi.status = 'B' " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
//
// Count of total items borrowed by $borrower_id
//
function fetch_my_borrowed_item_cnt($borrower_id) {
$query = "SELECT count('x') AS count FROM borrowed_item bi " . "WHERE bi.status = 'B' AND bi.borrower_id = '" . $borrower_id . "'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
/**
All records that the specified borrower has borrowed.
Columns: bi.sequence_number, bi.item_id, i.title, i.genre, i.owner_id
Will only apply a limit, if $index is defined.
*/
function fetch_my_borrowed_item_rs($borrower_id, $order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, bi.more_information, UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) as due_date, i.s_item_type, i.title, ii.owner_id, ii.s_status_type " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND " . "bi.status = 'B' and bi.borrower_id = '" . $borrower_id . "' " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
//
// Count of total items reserved by $borrower_id
//
function fetch_all_reserved_item_cnt() {
$query = "SELECT count('x') AS count FROM borrowed_item bi WHERE bi.status = 'R'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
function fetch_all_reserved_item_rs($order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, bi.borrower_id, bi.more_information, i.s_item_type, i.title, ii.owner_id, ii.borrow_duration, ii.s_status_type, UNIX_TIMESTAMP(bi.update_on) as reserve_date " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND " . "bi.status = 'R' " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
//
// Count of total items reserved by $borrower_id
//
function fetch_my_reserved_item_cnt($borrower_id) {
$query = "SELECT count('x') AS count FROM borrowed_item bi WHERE bi.status = 'R' AND bi.borrower_id = '" . $borrower_id . "'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
//
// All records that the specified borrower has reserved.
// Columns: bi.sequence_number, bi.item_id, i.title, i.genre, i.owner_id, i.s_status_type
//
function fetch_my_reserved_item_rs($borrower_id, $order_by = NULL, $sortorder = NULL, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, i.s_item_type, i.title, ii.owner_id, bi.more_information, ii.borrow_duration, ii.s_status_type, UNIX_TIMESTAMP(bi.update_on) as reserve_date " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND " . "bi.status = 'R' and bi.borrower_id = '" . $borrower_id . "' ";
if (strlen ( $order_by ) > 0)
$query .= get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
function fetch_my_history_item_cnt($borrower_id) {
$query = "SELECT count('x') AS count FROM borrowed_item bi WHERE bi.status IN('C','X','R','B') AND bi.borrower_id = '" . $borrower_id . "'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
function fetch_my_history_item_rs($borrower_id, $order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number,
bi.item_id,
bi.instance_no,
i.s_item_type,
i.title,
ii.owner_id,
bi.status,
bi.borrow_duration,
bi.more_information,
ii.borrow_duration AS ii_borrow_duration,
bi.total_duration, bi.status, ii.s_status_type,
CASE WHEN bi.status = 'C' THEN TO_DAYS(now()) - TO_DAYS(bi.update_on) ELSE NULL END AS calc_total_duration,
CASE WHEN bi.status IN('B','R') THEN UNIX_TIMESTAMP(bi.update_on) WHEN bi.status = 'X' THEN NULL ELSE UNIX_TIMESTAMP(DATE_SUB(bi.update_on, INTERVAL bi.total_duration DAY)) END AS borrow_date,
CASE WHEN bi.status IN('B') THEN UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) ELSE NULL END AS due_date,
CASE WHEN bi.status IN('C') THEN UNIX_TIMESTAMP(bi.update_on) ELSE NULL END AS return_date,
CASE WHEN bi.status = 'B' THEN UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) ELSE NULL END AS due_date
FROM item i, item_instance ii, borrowed_item bi
WHERE i.id = ii.item_id AND bi.instance_no = ii.instance_no AND bi.item_id = ii.item_id AND
bi.status IN('C','X', 'R', 'B') AND bi.borrower_id = '$borrower_id' " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
function is_item_in_reserve_basket($item_id, $instance_no, $borrower_id = NULL) {
if (strlen ( $borrower_id ) == 0)
$borrower_id = get_opendb_session_var ( 'user_id' );
return fetch_borrowed_item_seq_no ( $item_id, $instance_no, 'T', $borrower_id ) !== FALSE;
}
function is_exists_my_reserve_basket($borrower_id) {
// the right to be a borrower can be revoked at any time, even if
// a user has active borrower records.
if (is_user_granted_permission ( PERM_USER_BORROWER, $borrower_id ))
return fetch_my_basket_item_cnt ( $borrower_id ) > 0;
else
return FALSE;
}
function fetch_my_basket_item_cnt($borrower_id) {
$query = "SELECT count('x') AS count FROM borrowed_item bi WHERE bi.status = 'T' AND bi.borrower_id = '" . $borrower_id . "'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
function fetch_borrowed_item_pk_rs($borrower_id, $status) {
$query = "SELECT sequence_number, item_id, instance_no " . "FROM borrowed_item " . "WHERE status = '$status' AND borrower_id = '" . $borrower_id . "'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
function fetch_my_basket_item_rs($borrower_id, $order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, i.s_item_type, bi.more_information, i.title, ii.owner_id, UNIX_TIMESTAMP(bi.update_on) as basket_date, bi.status, ii.s_status_type " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND bi.instance_no = ii.instance_no AND bi.item_id = ii.item_id AND " . " bi.status = 'T' AND bi.borrower_id = '" . $borrower_id . "' " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
function fetch_owner_history_item_cnt($owner_id) {
$query = "SELECT count('x') AS count " . "FROM borrowed_item bi, item_instance ii " . "WHERE ii.item_id = bi.item_id AND " . "ii.instance_no = bi.instance_no AND " . "bi.status IN('C','X','B','R') AND " . "ii.owner_id = '" . $owner_id . "'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
function fetch_item_instance_history_cnt($item_id, $instance_no) {
$query = "SELECT count(bi.sequence_number) as count " . "FROM borrowed_item bi " . "WHERE bi.item_id = '" . $item_id . "' AND bi.instance_no = '" . $instance_no . "' AND bi.status IN ('X', 'C', 'R', 'B') ";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
function fetch_item_instance_history_rs($item_id, $instance_no, $order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number,
bi.borrower_id,
CASE WHEN bi.status IN('B','R') THEN UNIX_TIMESTAMP(bi.update_on) WHEN bi.status = 'X' THEN NULL ELSE UNIX_TIMESTAMP(DATE_SUB(bi.update_on, INTERVAL bi.total_duration DAY)) END AS borrow_date,
CASE WHEN bi.status IN('B') THEN UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) ELSE NULL END AS due_date,
CASE WHEN bi.status IN('C') THEN UNIX_TIMESTAMP(bi.update_on) ELSE NULL END AS return_date,
CASE WHEN bi.status = 'B' THEN UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) ELSE NULL END AS due_date,
bi.borrow_duration,
bi.total_duration,
bi.more_information,
CASE WHEN bi.status = 'C' THEN TO_DAYS(now()) - TO_DAYS(bi.update_on) ELSE NULL END AS calc_total_duration,
bi.status,
ii.borrow_duration AS ii_borrow_duration,
ii.s_status_type,
i.s_item_type
FROM item_instance ii, item i, borrowed_item bi
WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND
bi.item_id = '" . $item_id . "' AND bi.instance_no = '" . $instance_no . "' AND bi.status IN ('X', 'C', 'R', 'B') " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
//
// Count of total items reserved by $borrower_id
//
function fetch_owner_reserved_item_cnt($owner_id) {
$query = "SELECT count('x') AS count from item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND ii.owner_id = '" . $owner_id . "' AND bi.status = 'R'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
//
// All records that the specified owner has, that are reserved by a borrower.
// For each record, the is_item_borrowed($item_id) function should be called to check
// if the item can actually be checked out.
//
function fetch_owner_reserved_item_rs($owner_id, $order_by = NULL, $sortorder = NULL, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, i.s_item_type, bi.more_information, i.title, ii.borrow_duration, ii.s_status_type, bi.borrower_id, UNIX_TIMESTAMP(bi.update_on) as reserve_date " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND " . "ii.owner_id = '" . $owner_id . "' AND " . "bi.status = 'R' ";
if (strlen ( $order_by ) > 0)
$query .= get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
/*
* Count of total items that the owner has checked out to other users
*/
function fetch_owner_borrowed_item_cnt($owner_id) {
$query = "SELECT count('x') AS count FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id AND ii.owner_id = '" . $owner_id . "' AND bi.status = 'B'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
//
// All records that the specified owner has, that are borrowed out
//
function fetch_owner_borrowed_item_rs($owner_id, $order_by, $sortorder, $start_index = NULL, $items_per_page = NULL) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, bi.more_information, UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) as due_date, i.s_item_type, i.title, ii.s_status_type, bi.borrower_id " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND ii.instance_no = bi.instance_no AND bi.item_id = ii.item_id and " . "ii.owner_id = '" . $owner_id . "' and " . "bi.status = 'B' " . get_orderby_clause ( $order_by, $sortorder );
if (is_numeric ( $start_index ) && is_numeric ( $items_per_page ))
$query .= ' LIMIT ' . $start_index . ', ' . $items_per_page;
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
/**
* Fetch a list of all items due for renewal within specified daysleft limit.
*
* Duration range
* +1 = once one day overdue
* 0 = on day due
* -1 = one day before due
*/
function fetch_reminder_borrowed_item_rs($duration_range) {
$query = "SELECT bi.sequence_number, bi.item_id, bi.instance_no, bi.more_information, i.s_item_type, i.title, ii.s_status_type, bi.borrower_id, UNIX_TIMESTAMP(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY)) as due_date, bi.borrow_duration, (TO_DAYS(now()) - TO_DAYS(bi.update_on)) as total_duration " . "FROM item i, item_instance ii, borrowed_item bi " . "WHERE i.id = ii.item_id AND " . "ii.instance_no = bi.instance_no AND " . "bi.item_id = ii.item_id AND " . "bi.status = 'B' AND " . "bi.borrow_duration > 0 AND " . "((TO_DAYS(NOW()) - TO_DAYS(DATE_ADD(bi.update_on, INTERVAL bi.borrow_duration DAY))) >= $duration_range)";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
/**
* Return record set of borrowed item history for a single borrowed_item record sequence number
*
* @param unknown_type $sequence_number
*/
function fetch_borrowed_item_hist_rs($sequence_number) {
$query = "SELECT bi_sequence_number, status, more_information, UNIX_TIMESTAMP(update_on) AS update_on
FROM borrowed_item_hist
WHERE bi_sequence_number = $sequence_number
ORDER BY sequence_number";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0)
return $result;
else
return FALSE;
}
/**
This will return a count of all borrowed_items of the $status which
have been updated on or before the $update_on timestamp. The update_on
variable can also be a proper DATETIME and it will still work.
*/
function fetch_borrowed_item_status_atdate_cnt($status, $update_on) {
$query = "SELECT count('x') AS count FROM borrowed_item bi " . "WHERE bi.status = '$status' AND bi.update_on >= '$update_on'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['count'];
}
//else
return FALSE;
}
//-----------------------------------------------------------------------------------
// Utility functions
//-----------------------------------------------------------------------------------
/**
*/
function fetch_borrowed_item_r($sequence_number, $include_duedate = FALSE) {
$query = "SELECT sequence_number, item_id, instance_no, borrower_id, borrow_duration, more_information, IFNULL(total_duration, TO_DAYS(now()) - TO_DAYS(update_on)) as total_duration, status, update_on ";
if ($include_duedate) {
$query .= ", IF(borrow_duration>0,UNIX_TIMESTAMP(DATE_ADD(update_on, INTERVAL borrow_duration DAY)),NULL) as due_date ";
}
$query .= " FROM borrowed_item WHERE sequence_number = $sequence_number";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
return $found;
}
//else
return FALSE;
}
/**
Fetch PRIMARY KEY information only. Strictly speaking this should
only include sequence_number, as that is the primary key. But the
real intention is to return all the columns that make up the
primary key of borrowed_item table where sequence_number is not
available.
*/
function fetch_borrowed_item_pk_r($sequence_number) {
$query = "SELECT item_id, instance_no, borrower_id " . "FROM borrowed_item WHERE sequence_number = $sequence_number";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
return $found;
}
//else
return FALSE;
}
/**
* @param string $item_id
* @param string $instance_no
* @param string $status
* @param string $borrower_id if not provided, its not defined which of more than 1 record will be returned. The borrower_id
* should only ever be missing for status' which are guaranteed to be unique, the only example of this is 'B' for borrowed.
* @return number
*/
function fetch_borrowed_item_seq_no($item_id, $instance_no, $status, $borrower_id = NULL) {
$query = "SELECT sequence_number" . " FROM borrowed_item " . " WHERE item_id = '$item_id' AND instance_no = '$instance_no' AND status = '$status'";
if (strlen ( $borrower_id ) > 0) {
$query .= " AND borrower_id = '$borrower_id' ";
}
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
$found = db_fetch_assoc ( $result );
db_free_result ( $result );
if ($found !== FALSE)
return $found ['sequence_number'];
}
//else
return FALSE;
}
//
// Will return true if any records are found for the item_id with a status of
// 'R' or 'B'
//
function is_item_reserved_or_borrowed($item_id, $instance_no) {
// In this case, we will not do a reserve, if the borrower has already reserved,
// or borrowed the item.
$query = "SELECT 'X' FROM borrowed_item " . "WHERE item_id = '$item_id' AND instance_no = '$instance_no' AND " . "status IN('R', 'B') ";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
//
// Will return true if any records are found for the item_id with a status of
// 'R' or 'B'
//
function is_item_reserved($item_id, $instance_no) {
// In this case, we will not do a reserve, if the borrower has already reserved,
// or borrowed the item.
$query = "SELECT 'X' FROM borrowed_item " . "WHERE item_id = '$item_id' AND instance_no = '$instance_no' AND " . "status = 'R'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
//
// Will return true if any records are found for the item_id with a status of
// 'R' or 'B'
//
function is_item_borrowed($item_id, $instance_no) {
// In this case, we will not do a reserve, if the borrower has already reserved,
// or borrowed the item.
$query = "SELECT 'X' FROM borrowed_item " . "WHERE item_id = '$item_id' AND instance_no = '$instance_no' AND " . "status = 'B'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
function is_exists_item_instance_borrowed_item($item_id, $instance_no) {
$query = "SELECT 'X' FROM borrowed_item " . "WHERE item_id = '$item_id' AND instance_no = '$instance_no'";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
function is_exists_item_instance_history_borrowed_item($item_id, $instance_no) {
$query = "SELECT 'X' FROM borrowed_item " . "WHERE item_id = '$item_id' AND instance_no = '$instance_no' AND status IN ('X', 'C', 'R', 'B')";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
function is_exists_borrower_reserved($borrower_id) {
return is_exists_borrower_borrowed_item ( $borrower_id, 'R' );
}
function is_exists_borrower_borrowed($borrower_id) {
return is_exists_borrower_borrowed_item ( $borrower_id, 'B' );
}
function is_exists_borrower_history($borrower_id) {
return is_exists_borrower_borrowed_item ( $borrower_id, array (
'C',
'X',
'R',
'B' ) );
}
/*
* @param $status - Valid values are:
* R - Reserved
* B - Borrowed
* C - Closed
* X - Cancelled
*/
function is_exists_borrower_borrowed_item($borrower_id, $status = NULL) {
$query = "SELECT 'X' FROM borrowed_item " . "WHERE borrower_id = '" . $borrower_id . "' ";
if (is_array ( $status ))
$query .= " AND status IN(" . format_sql_in_clause ( $status ) . ") ";
else if ($status != NULL)
$query .= " AND status = '" . $status . "' ";
$query .= "LIMIT 0,1";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
function is_exists_owner_reserved($owner_id) {
return is_exists_owner_borrowed_item ( $owner_id, 'R' );
}
function is_exists_owner_borrowed($owner_id) {
return is_exists_owner_borrowed_item ( $owner_id, 'B' );
}
function is_exists_owner_history($owner_id) {
return is_exists_owner_borrowed_item ( $owner_id, array (
'C',
'X',
'B',
'R' ) );
}
/*
* @param $status - Valid values are:
* R - Reserved
* B - Borrowed
* C - Closed
* X - Cancelled
*/
function is_exists_owner_borrowed_item($owner_id, $status = NULL) {
$query = "SELECT 'X' FROM borrowed_item bi, item_instance ii " . "WHERE bi.item_id = ii.item_id AND bi.instance_no = ii.instance_no AND " . "ii.owner_id = '" . $owner_id . "'";
if (is_array ( $status ))
$query .= " AND bi.status IN(" . format_sql_in_clause ( $status ) . ") ";
else if ($status != NULL)
$query .= " AND bi.status = '" . $status . "' ";
$query .= "LIMIT 0,1";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
function is_exists_reserved() {
return is_exists_borrowed_item ( 'R' );
}
function is_exists_borrowed() {
return is_exists_borrowed_item ( 'B' );
}
function is_exists_history() {
return is_exists_borrowed_item ( array (
'C',
'X',
'R',
'B' ) );
}
/*
* @param $status - Valid values are:
* R - Reserved
* B - Borrowed
* C - Closed
* X - Cancelled
*/
function is_exists_borrowed_item($status = NULL) {
$query = "SELECT 'X' FROM borrowed_item ";
if (is_array ( $status ))
$query .= "WHERE status IN(" . format_sql_in_clause ( $status ) . ") ";
else if ($status !== NULL)
$query .= "WHERE status = '" . $status . "' ";
$query .= "LIMIT 0,1";
$result = db_query ( $query );
if ($result && db_num_rows ( $result ) > 0) {
db_free_result ( $result );
return TRUE;
} else
return FALSE;
}
//
// Will return true if any records are found for the item_id with a status of
// 'R' or 'B'
//
function is_item_reserved_or_borrowed_by_user($item_id, $instance_no, $borrower_id = NULL) {
if ($borrower_id == NULL)
$borrower_id = get_opendb_session_var ( 'user_id' );