<%
	# $Id: action.php,v 1.21 2005/11/20 15:06:50 hirokai Exp $
	include_once( "modules/utils.inc.php" );
	$tok =  $authenticated = $_COOKIE["c_pass_token"];
	$u   =  $sessionUserId = $_COOKIE["c_uid"];
	if( $tok && $tok == md5( getPasswdForUser( $u ))) {

		$folder = $folderID ? $folderID : $folder;
		$tag = $newFolderID;

		if( $debug ) {
			e( "DEBUG: operation: $op" );
			e( "DEBUG: current folder is: $folder" );
		}

		if( $op == "delete_unused_tags" ) {
			
			if( $debug )
				e( "Deleting unused tags" );

			$where_clause = "";
			foreach( $_POST as $paramName => $paramValue ) {
				if( $paramValue == "1" && substr( $paramName, 0, 2 ) == "ut" )
					$where_clause = "$where_clause OR ID = " . substr( $paramName, 2 );
			}
			if( ! $where_clause ) {
				e( "No tags to delete" );
				$errors = "No tags to delete";
			} else {
				$where_clause = preg_replace( "/^ OR /", "", $where_clause);
				$qs = "DELETE FROM linksGroups WHERE userid = '$u' AND ($where_clause);";
				if( $debug ) echo $qs;
				$q = mysql_query( $qs );
				if( !$q )
					$errors = "Deleting your unused tags failed";
				if( !$errors && !$debug ) {
					echo bounceWithDelay( "/index", 1 );
					include( "$modules/header.inc.php" ); 
%>
<h1>
	Success!
</h1>
<h2>Updating your tags...</h2>
<%
				}
			}

		} else if( $op == "changeCategories" && $id ) {

			if( $debug ) 
				e( "DEBUG: recategorizing" );

			$errors = 0;
			# first, we get the new categories
			$catNums = Array();
			foreach( $_POST as $catName=>$catValue ) {
				if( $catValue == "on" && substr( $catName, 0, 2 ) == "cb" ) {
					array_push( $catNums, substr( $catName, 2 ) );
					if( $debug )
						e( "DEBUG: category " . substr( $catName, 2 ));
				}
			}
			if( $debug )
				e( "DEBUG: link ID is $id" );
				
			# then we delete the existing categorization for this link
			if( deleteCategorizationForLink( $id ) ) {
				$errors = 1;
%>

<div class="attention warning">
	de-categorizing link <%= $id %> failed.
</div>

<%
			}

			# finally, we add the new categorizations 
			if( count( $catNums )) {
				if( $debug )
					dumpParams();

				$q = add_tags_from_request( $u, $id, Array(), $con_action );
				if( !$q )
					$errors = "couldn't finish tagging your link.";

				if( $debug )
					e( "DEBUG: finally, we add the new categorizations" );
				$retval = categorizeLink( $id, $catNums );
				if( ! $retval )
					$errors = 1;
				if( $debug )
					e( "DEBUG: categorizeLink() retval: $retval" );
			} else {
				if( $debug )
					e( "DEBUG: no categories to add; we're done" );
			}
			if( ! $errors && !$debug ) {
%>
<script language="javascript"> location.replace( "/<%= $id %>" ); </script>
<%
			}
	} else {

		$nolinks = true;
		$linkList = Array();
		foreach( $_POST as $name=>$value ) {
			if( $value == "on" && $name != "selectAll" ) {
				$nolinks = false;
				array_push( $linkList, $name );
			}
		}
		if( ! $nolinks ) {
			if( $debug )
				echo "links: ";
			$c = 0;
			$whereClause = "";

			foreach( $linkList as $link ) {
				if( $c != 0 ) {
					if( $debug ) echo ", ";
					$whereClause = "OR $whereClause";
				} 
				if( $debug ) echo $link;
				$whereClause = "ID=$link $whereClause";
				$c++;
			}

			if( $debug )
				echo " in " . getCatName() . " " . $folder;

			$whereClause = " ($whereClause) AND submitter = '$u'";

			if( $tok && $tok == md5( getPasswdForUser( $u ))) {
				$con_action = mysql_connect( );
				mysql_selectdb( getDBName() );

				if( $op == "makePrivate" ) {
					$qs = "UPDATE links SET isPrivate = 1 WHERE $whereClause";
%>
	being made private.
<%
				} else if( $op == "makePublic" ) {
					$qs = "UPDATE links SET isPrivate = NULL WHERE $whereClause";
%>
	being made public.
<%
				} else if( $op == "deleteSelected" ) {

					$qs = "DELETE FROM links WHERE $whereClause";
%>
 deleted.
<%
				} else if( $op == "tag" ) {
					if( $tag ) {
						if( $debug )
							echo "<br>tag (aka Tag ID) is $tag<br><hr>";

					$c = 0;

					# build and run the queries for EACH link (otherwise, if mysql sees a dupe, it will barf)
					foreach( $linkList as $link ) {
						if( $c == 0 )
							$valuesClause = "VALUES $valuesClause";
						else
							 $valuesClause = "$valuesClause, ";
						$valuesClause = "$valuesClause($link, $tag) ";
						$c++;
						$qs = "INSERT INTO linksCategoriesXRef VALUES($link, $tag);";
						$q = mysql_query( $qs );
						if( ! $q ) {
							$e = mysql_error($con_action);
							$tok = get_mysql_dupe_error();
						}
						if( $q )
							echo "tagged link $link with tag $tag";
						else if( strstr( $e, $tok)) {
							echo "link $link is already tagged w/tag #$tag -- no need to re-tag it.<br>";
						} else {
							echo "holy shit, unknown error: $e<br>";
							$errors = "There were strange, unknown errors while attempting to re-tag $c links with " . getCatName()  . " # " . $tag;
						}
					}

	if( !$errors && !$debug ) {
%>
no errors -- sending you home.
 <script language="javascript"> location.replace( "/f/<%= $folder %>" ); </script>
<%
	} 
					} else {
						$errors = "Select a new tag, first";
					}
		} else if( $op == "untag" ) {
		$debug = 0;

			$c = 0;
			$whereClause = "";
			foreach( $linkList as $link ) {
				if( $c == 0 )
					$whereClause = "WHERE $whereClause";
				else
					 $whereClause = "$whereClause OR";
				$whereClause = "$whereClause (linkID = $link AND catID = $folderID) ";
				$c++;
			}

			$qs = "DELETE FROM linksCategoriesXRef $whereClause;";
		} else {
			$errors = "Unknown operation parameter: \$op: $op";
		}
		if( ! $errors ) {
			$q = mysql_query( $qs );

		if( $q ) {
			if( $op == "deleteSelected" ) {
				$whereClause = "";
				$c = 0;
				foreach( $linkList as $link ) {
					if( $c == 0 )
						$whereClause = "WHERE $whereClause";
					else
						 $whereClause = "$whereClause OR";
					$whereClause = "$whereClause (linkID = $link) ";
					$c++;
				}
				$qs = "DELETE FROM linksCategoriesXRef $whereClause;";
				$q = mysql_query( $qs );
				if( !$q ) 
					$errors = "Delete may not have entirely succeeded...";
			}
%>
	<div class="attention">
		worked!
	</div>
<%
			if( !$debug ) {
%>
		 <script language="javascript"> location.replace( "/f/<%= $folder %>" ); </script>
<%
			}
	}
		} else
			warn( $errors );

		conClose( $con_action );
}
%>

<% } else { %>

<link rel="stylesheet" type="text/css" href="/new-portal.css" title="default stylings">
<div class='welcome'>
	no links selected;<br/>
	sending you back to the garden.
</div>

<% 
		if( $folderID || $tag )
			echo bounceWithDelay( "/f/$folderID", 1 );
		else
			echo bounceWithDelay( "/index", 1 );
	}
}
}
%>