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<?php /* * $Id: purge.php,v 1.31 2005/02/22 01:29:58 cknudsen Exp $ * * Description: * Purge events page and handler. * When an event is deleted from a user's calendar, it is marked * as deleted (webcal_entry_user.cal_status = 'D'). This page * will actually clean out the database rather than just mark an * event as deleted. * * Security: * Events will only be deleted if they were created by the selected * user. Events where the user was a participant (but not did not * create) will remain unchanged. * */ include_once 'includes/init.php';
// Set this to true do show the SQL at the bottom of the page $purgeDebug = true; $sqlLog = '';
if ( ! $is_admin ) { // must be admin... do_redirect ( "index.php" ); exit; }
$ALL = 0;
$purge_all = getPostValue ( "purge_all" ); $end_year = getPostValue ( "end_year" ); $end_month = getPostValue ( "end_month" ); $end_day = getPostValue ( "end_day" ); $user = getPostValue ( "user" ); $preview = getPostValue ( "preview" ); $preview = ( empty ( $preview ) ? false : true );
$INC = array('js/purge.php','js/visible.php'); if ( ! empty ( $user ) ) { $BodyX = ''; } else { $BodyX = 'onload="all_handler();"'; }
print_header ( $INC, '', $BodyX ); ?>
<table style="border-width:0px;"> <tr><td style="vertical-align:top; width:50%;"> <?php echo "<h2>" . translate("Delete Events" ); if ( $preview ) echo "[ " . translate("Preview" ) . "]"; echo "</h2>\n";
?> <a title="<?php etranslate("Admin") ?>" class="nav" href="adminhome.php">« <?php etranslate("Admin") ?></a><br /><br /> <?php
if ( ! empty ( $user ) ) { if ( $preview ) { echo "<h2> [" . translate("Preview") . "] " . translate("Purging events for") . " $user...</h2>\n"; } else { echo "<h2>" . translate("Purging events for") . ": $user</h2>\n"; } $ids = ''; $end_date = sprintf ( "%04d%02d%02d", $end_year, $end_month, $end_day ); if ( $purge_all == "Y" ) { if ( $user == 'ALL' ) { $ids = array ( 'ALL' ); } else { $ids = get_ids ( "SELECT cal_id FROM webcal_entry WHERE cal_create_by = '$user'" ); } } elseif ( $end_date ) { if ( $user != 'ALL' ) { $tail = " AND webcal_entry.cal_create_by = '$user'"; } else { $tail = ''; $ALL = 1; // Need this to tell get_ids to ignore participant check } $E_ids = get_ids ( "SELECT cal_id FROM webcal_entry " . "WHERE cal_type = 'E' AND cal_date < '$end_date' $tail", $ALL ); $M_ids = get_ids ( "SELECT webcal_entry.cal_id FROM webcal_entry " . "INNER JOIN webcal_entry_repeats ON " . "webcal_entry.cal_id = webcal_entry_repeats.cal_id " . "WHERE webcal_entry.cal_type = 'M' AND " . "cal_end IS NOT NULL AND cal_end < '$end_date' $tail", $ALL ); $ids = array_merge ( $E_ids, $M_ids ); } //echo "event ids: <ul><li>" . implode ( "</li><li>", $ids ) . "</li></ul>\n"; if ( count ( $ids ) > 0 ) { purge_events ( $ids ); } else { echo translate("None"); } echo "<h2>..." . translate("Finished") . ".</h2>\n"; if ( $purgeDebug ) { echo "<div style=\"border: 1px solid #000;background-color: #fff;\"><tt>$sqlLog</tt></div>\n"; } } else { ?>
<form action="purge.php" method="post" name="purgeform"> <table> <tr><td><label for="user"> <?php etranslate("User");?>:</label></td> <td><select name="user"> <?php $userlist = get_my_users (); if ($nonuser_enabled == "Y" ) { $nonusers = get_nonuser_cals (); $userlist = ($nonuser_at_top == "Y") ? array_merge($nonusers, $userlist) : array_merge($userlist, $nonusers); } for ( $i = 0; $i < count ( $userlist ); $i++ ) { echo "<option value=\"".$userlist[$i]['cal_login']."\">".$userlist[$i]['cal_fullname']."</option>\n"; } ?> <option value="ALL" selected="selected"><?php etranslate("All")?></option> </select> </td></tr> <tr><td><label for="purge_all"> <?php etranslate("Check box to delete <b>ALL</b> events for a user")?>:</label></td> <td valign="bottom"> <input type="checkbox" name="purge_all" value="Y" onclick="all_handler()" /> </td></tr> <tr id="dateArea"><td><label> <?php etranslate("Delete all events before");?>:</label></td><td> <?php print_date_selection ( "end_", date ( "Ymd" ) ) ?> </td></tr> <tr><td><label for="preview"> <?php etranslate("Preview delete")?>:</label></td> <td valign="bottom"> <input type="checkbox" name="preview" value="Y" checked="checked" /> </td></tr> <tr><td colspan="2"> <input type="submit" name="action" value="<?php etranslate("Delete")?>" onclick="return confirm('<?php etranslate("Are you sure you want to delete events for");?> ' + document.forms[0].user.value + '?')" /> </td></tr> </table> </form>
<?php } ?> </td></tr></table>
<?php print_trailer(); ?> </body> </html> <?php function purge_events ( $ids ) { global $preview, $c; // db connection global $sqlLog;
$tables = array ( array ( 'webcal_entry_user', 'cal_id' ), array ( 'webcal_entry_repeats', 'cal_id' ), array ( 'webcal_entry_repeats_not', 'cal_id' ), array ( 'webcal_entry_log', 'cal_entry_id' ), array ( 'webcal_import_data', 'cal_id' ), array ( 'webcal_site_extras', 'cal_id' ), array ( 'webcal_reminder_log', 'cal_id' ), array ( 'webcal_entry_ext_user', 'cal_id' ), array ( 'webcal_entry', 'cal_id' ) );
//var_dump($tables);exit; $num = array(); for ( $i = 0; $i < count ( $tables ); $i++ ) { $num[$i] = 0; } foreach ( $ids as $cal_id ) { for ( $i = 0; $i < count ( $tables ); $i++ ) { $clause = ( $cal_id == 'ALL' ? '' : " WHERE {$tables[$i][1]} = $cal_id" ); if ( $preview ) { $sql = "SELECT COUNT(" . $tables[$i][1] . ") FROM {$tables[$i][0]}" . $clause; //echo "cal_id = '$cal_id'<br>clause = '$clause'<br>"; //echo "$sql <br/>\n"; $res = dbi_query ( $sql ); $sqlLog .= $sql . "<br/>\n"; if ( $res ) { if ( $row = dbi_fetch_row ( $res ) ) $num[$i] += $row[0]; dbi_free_result ( $res ); } } else { $sql = "DELETE FROM {$tables[$i][0]}" . $clause; $sqlLog .= $sql . "<br/>\n"; $res = dbi_query ( $sql ); if ( $cal_id == 'ALL' ) { $num[$i] = translate ( "All" ); } else { $num[$i] += dbi_affected_rows ( $c, $res ); } } } } for ( $i = 0; $i < count ( $tables ); $i++ ) { $table = $tables[$i][0]; echo "[" . translate ( "Preview" ) . "] " . translate("Records deleted from") . " $table: $num[$i]<br />\n"; } }
function get_ids ( $sql, $ALL = '' ) { global $sqlLog; $ids = array (); //echo "SQL: $sql <br/>\n"; $sqlLog .= $sql . "<br/>\n"; $res = dbi_query ( $sql ); if ( $res ) { while ( $row = dbi_fetch_row ( $res ) ) { if ($ALL == 1) { $ids[] = $row[0]; } else { //ONLY Delete event if no other participants. $ID = $row[0]; $res2 = dbi_query ( "SELECT COUNT(*) FROM webcal_entry_user " . "WHERE cal_id = $ID" ); if ( $res2 ) { if ( $row2 = dbi_fetch_row ( $res2 ) ) { if ( $row2[0] == 1 ) $ids[] = $ID; } dbi_free_result ( $res2 ); } } // End if ($ALL) } // End while } dbi_free_result ( $res ); return $ids; } ?>
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