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<? |
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/* |
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* Phormation |
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* - A library of PHP code to make development of database-driven |
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* html forms easy and quick |
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* |
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* Copyright (C) 2000 Jason D. Hildebrand |
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* PeaceWorks Computer Consulting |
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* |
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* jason@peaceworks.ca |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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|
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include_once( "$phormationdir/dbi.php" ); |
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|
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function quote_if_string( $value ) |
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{ |
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if( is_string( $value ) ) { |
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$value = "'" . $value . "'"; |
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} |
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return $value; |
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} |
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|
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function fetchrecord( $tablename, $tablekey, $fields, $record_id ) { |
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global $conn; |
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|
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$query = "select "; |
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for( $i = 0; $i < count( $fields ) - 1; $i++ ) { |
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$query .= $fields[$i] . ", "; |
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} |
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$query .= $fields[$i] . " from $tablename where $tablekey = "; |
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$query .= quote_if_string( $record_id ); |
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//echo $query . '<BR>'; |
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$result = dbi_exec( $conn, $query ); |
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return( $result ); |
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} |
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|
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function deleterecord( $tablename, $tablekey, $record_id ) { |
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global $conn; |
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|
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if (!$record_id) return; |
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$query = "delete from $tablename where $tablekey = $record_id"; |
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$result = dbi_exec( $conn, $query ); |
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return( $result ); |
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} |
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|
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function insertvalue( $fieldname, $value, $sql ) |
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{ |
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$sql[0][] = $fieldname; |
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$sql[1][] = $value; |
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} |
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|
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function convert_nl( $str ) |
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{ |
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if ( !$str ) return $str; |
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# return preg_replace('/\s*(\r\n|\n\r|\r|\n)/m', '<br>', $str); |
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return $str; |
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} |
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|
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function savechanges( $tablename, $tablekey, $record_id, $sql ) |
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{ |
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global $conn; |
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|
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//for( $i = 0; ! empty( $sql[0][$i] ); $i++ ) { |
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//echo "Field: " . $sql[0][$i] . "<BR>"; |
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//echo "Value: " . $sql[1][$i] . "<BR>"; |
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//} |
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|
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// either update or insert the tuple, depending on whether it already exists |
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if( $record_id != "NULL" && $record_id != "" ) { |
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// this record already exists; update it |
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$query = "update $tablename set "; |
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for( $i = 0; ! empty( $sql[0][$i + 1] ); $i++ ) { |
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$query .= $sql[0][$i] . " = " . convert_nl($sql[1][$i]) . ", "; |
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} |
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$query .= $sql[0][$i] . " = " . convert_nl($sql[1][$i]); |
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$query .= " where $tablekey = " . quote_if_string( $record_id ); |
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|
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//echo $query . "<BR>"; |
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$result = dbi_exec( $conn, $query ); |
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} else { |
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// this is a new record; insert it |
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$record_id = ""; |
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|
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$query = "insert into $tablename ( "; |
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for( $i = 0; ! empty( $sql[0][$i + 1] ); $i++ ) { |
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|
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// check to see if this field is the tablekey |
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if( $sql[0][$i] == $tablekey ) { |
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$record_id = $sql[1][$i]; |
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} |
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$query .= $sql[0][$i] . ", "; |
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} |
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|
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// check to see if this field is the tablekey |
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if( $sql[0][$i] == $tablekey ) { |
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$record_id = $sql[1][$i]; |
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} |
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$query .= $sql[0][$i] . " ) values ( "; |
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|
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for( $i = 0; ! empty( $sql[0][$i + 1] ); $i++ ) { |
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$query .= convert_nl($sql[1][$i]) . ", "; |
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} |
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$query .= convert_nl($sql[1][$i]) . " )"; |
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//echo $query . "<BR>"; |
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$result = dbi_exec( $conn, $query ); |
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if( ! $result ) { |
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dbi_error( $conn ); |
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} else { |
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if( empty( $record_id ) ) { |
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$record_id = dbi_getlastid( $conn, $result, $tablename, $tablekey ); |
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} |
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} |
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} |
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} |
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?> |
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