# along with this program. If not, see <http://www.gnu.org/licenses/>.
-require_once('code/wfpl/encode.php');
-require_once('code/wfpl/format.php');
+require_once(__DIR__ . '/encode.php');
+require_once(__DIR__ . '/format.php');
# db_connect() -- connect to a mysql database
#
#
# %% put a % in the output
# %i put an integer in the output (strips non-numeric digits, and puts in 0 if blank)
+# %f put a floating point value in the output (strips non-numeric digits, puts in 0.0 if not valid)
# %" output double quotes, surrounding the variable which is encoded to be in there.
# %s output encoded to be in double quotes, but don't output the quotes
+# %$ output argument as-is, no encoding. Make sure you quote everything from the user!
#
# complex example: db_get_rows('mytable', 'id', 'where name=%" or company like "%%%s%%"', $name, $company_partial);
$int = format_int(array_shift($args));
if($int == '') $int = '0';
$out .= $int;
+ } elseif($chr == 'f') {
+ $arg = array_shift($args);
+ if(is_numeric($arg)) {
+ $arg = sprintf("%f", $arg);
+ }
+ $arg = format_decimal($arg);
+ if(strlen($arg) < 1) {
+ $arg = '0.0';
+ }
+ $out .= $arg;
+ } elseif($chr == '$') {
+ $out .= array_shift($args);
} else {
$out .= $chr;
}
define('DB_ORD_MAX', 2000000000);
-function db_reposition_respace($table, $field) {
- $ids = db_get_column($table, 'id', "where $field != 0 order by $field");
+function db_reposition_respace($table, $field, $where = '') {
+ if($where) {
+ $andand = " && ($where) ";
+ }
+ $ids = db_get_column($table, 'id', "where $field != 0 $andand order by $field");
$c = count($ids);
if(!$c) {
# should never happen
# When editing a particular row, give the user a pulldown, with 0 -> first, 1 -> second, etc, and pass this integer to db_reposition (3rd parameter). The value "ignored" can be passed, and the row will be given a sort value of 0 and ignored for all sorting.
#
# $pretty is used in error messages to refer to the row, it defaults to whatever you pass for $table.
+#
+# return value is the "ord" value you should set/insert into your database
-function db_reposition($table, $row_id, $new_pos, $field = 'ord', $pretty = 'same as $table', $renumbered_already = false) {
+function db_reposition($table, $row_id, $new_pos, $field = 'ord', $pretty = 'same as $table', $where = '', $renumbered_already = false) {
if($pretty == 'same as $table') {
$pretty = $table;
}
+ if($where) {
+ $andand = " && ($where) ";
+ }
if($new_pos === 'ignored') {
# not sorted
# strategy: calculate $prev_ord and $next_ord. If there's no space between, renumber and recurse
if($new_pos == '0') {
- $row = db_get_row($table, "id,$field", "where $field != 0 order by $field limit 1");
+ $row = db_get_row($table, "id,$field", "where $field != 0 $andand order by $field limit 1");
if($row) {
list($first_row_id, $first_row_ord) = $row;
if($first_row_id == $row_id) {
$prev_ord = 0;
} else {
$new_pos = format_int_0($new_pos);
- $rows = db_get_rows($table, "id,$field", "where $field != 0 order by $field limit %i,2", $new_pos - 1);
+ $rows = db_get_rows($table, "id,$field", "where $field != 0 $andand order by $field limit %i,2", $new_pos - 1);
if(!$rows) {
message("Sorry, couldn't find the $pretty you asked to put this $pretty after. Putting it first instead.");
- return db_reposition($table, $row_id, '0', $field, $pretty);
+ return db_reposition($table, $row_id, '0', $field, $pretty, $where);
} else {
list($prev_id, $prev_ord) = $rows[0];
if($prev_id == $row_id) {
message("Programmer error in $pretty ordering code. Please tell your website administrator.");
return '' . rand(2, DB_ORD_MAX - 2); # reasonably unlikely to be the same as some other ord
}
- db_reposition_respace($table, $field);
- return db_reposition($table, $row_id, $new_pos, $field, $pretty, $renumbered_already = true);
+ db_reposition_respace($table, $field, $where);
+ return db_reposition($table, $row_id, $new_pos, $field, $pretty, $where, $renumbered_already = true);
} else {
return $prev_ord + round(($next_ord - $prev_ord) / 2);
}