--- rat/lonuserstate.pm 2011/08/09 09:15:50 1.140 +++ rat/lonuserstate.pm 2014/02/23 20:27:54 1.148 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Construct and maintain state and binary representation of course for user # -# $Id: lonuserstate.pm,v 1.140 2011/08/09 09:15:50 foxr Exp $ +# $Id: lonuserstate.pm,v 1.148 2014/02/23 20:27:54 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -59,6 +59,7 @@ my $retfurl; # first URL my %randompick; # randomly picked resources my %randompickseed; # optional seed for randomly picking resources my %randomorder; # maps to order contents randomly +my %randomizationcode; # code used to grade folder for bubblesheet exam my %encurl; # URLs in this folder are supposed to be encrypted my %hiddenurl; # this URL (or complete folder) is supposed to be hidden @@ -140,10 +141,10 @@ sub processversionfile { # Parameters: # uri - URI of the map file. # parent_rid - Resource id in the map of the parent resource (0.0 for the top level map) -# +# courseid - Course id for the course for which the map is being loaded # sub loadmap { - my ($uri,$parent_rid)=@_; + my ($uri,$parent_rid,$courseid)=@_; # Is the map already included? @@ -183,7 +184,7 @@ sub loadmap { # We can only nest sequences or pages. Anything else is an illegal nest. unless (($fn=~/\.sequence$/) || $ispage) { - $errtext.=&mt("
Invalid map: [_1]",$fn); + $errtext.='
'.&mt('Invalid map: [_1]',"$fn"); return; } @@ -192,7 +193,9 @@ sub loadmap { my $instr=&Apache::lonnet::getfile($fn); if ($instr eq -1) { - $errtext.=&mt('
Map not loaded: The file [_1] does not exist.',$fn); + $errtext.= '
' + .&mt('Map not loaded: The file [_1] does not exist.', + "$fn"); return; } @@ -236,15 +239,28 @@ sub loadmap { # This is handled in the next chunk of code. my @map_ids; + my $codechecked; while (my $token = $parser->get_token) { next if ($token->[0] ne 'S'); # Resource if ($token->[1] eq 'resource') { - my $resource_id = &parse_resource($token,$lpc,$ispage,$uri); + my $resource_id = &parse_resource($token,$lpc,$ispage,$uri,$courseid); if (defined $resource_id) { - push(@map_ids, $resource_id); + push(@map_ids, $resource_id); + unless ($codechecked) { + my $startsymb = + &Apache::lonnet::encode_symb($hash{'map_id_'.$lpc},$resource_id, + $hash{'src_'."$lpc.$resource_id"}); + my $code = + &Apache::lonnet::EXT('resource.0.examcode',$startsymb,undef,undef, + undef,undef,$courseid); + if ($code) { + $randomizationcode{$parent_rid} = $code; + } + $codechecked = 1; + } } # Link @@ -260,17 +276,26 @@ sub loadmap { &parse_condition($token,$lpc); } } + undef($codechecked); # Handle randomization and random selection if ($randomize) { - if (!$env{'request.role.adv'}) { + my $advanced; + if ($env{'request.course.id'}) { + $advanced = (&Apache::lonnet::allowed('adv') eq 'F'); + } else { + $env{'request.course.id'} = $courseid; + $advanced = (&Apache::lonnet::allowed('adv') eq 'F'); + $env{'request.course.id'} = ''; + } + unless ($advanced) { + # Order of resources is not randomized if user has and advanced role in the course. my $seed; - # In the advanced role, the map's random seed - # parameter is used as the basis for computing the - # seed ... if it has been specified: + # If the map's random seed parameter has been specified + # it is used as the basis for computing the seed ... if (defined($randompickseed{$parent_rid})) { $seed = $randompickseed{$parent_rid}; @@ -289,15 +314,28 @@ sub loadmap { # TODO: Here for sure we need to pass along the username/domain # so that we can impersonate users in lonprintout e.g. + my $setcode; + if (defined($randomizationcode{$parent_rid})) { + if ($env{'form.CODE'} eq '') { + $env{'form.CODE'} = $randomizationcode{$parent_rid}; + $setcode = 1; + } + } + my $rndseed=&Apache::lonnet::rndseed($seed); &Apache::lonnet::setup_random_from_rndseed($rndseed); + if ($setcode) { + undef($env{'form.CODE'}); + undef($setcode); + } + # Take the set of map ids we have decoded and permute them to a # random order based on the seed set above. All of this is # processing the randomorder parameter if it is set, not # randompick. - @map_ids=&math::Random::random_permutation(@map_ids); + @map_ids=&Math::Random::random_permutation(@map_ids); } @@ -352,6 +390,7 @@ sub loadmap { # $lpc - Map nesting level (?) # $ispage - True if this resource is encapsulated in a .page (assembled resourcde). # $uri - URI of the enclosing resource. +# $courseid - Course id of the course containing the resource being parsed. # Returns: # Value of the id attribute of the tag. # @@ -372,7 +411,7 @@ sub loadmap { sub parse_resource { - my ($token,$lpc,$ispage,$uri) = @_; + my ($token,$lpc,$ispage,$uri,$courseid) = @_; # I refuse to countenance code like this that has # such a dirty side effect (and forcing this sub to be called within a loop). @@ -511,7 +550,7 @@ sub parse_resource { if (($turi=~/\.sequence$/) || ($turi=~/\.page$/)) { $hash{'is_map_'.$rid}=1; - &loadmap($turi,$rid); + &loadmap($turi,$rid,$courseid); } return $token->[2]->{'id'}; } @@ -801,7 +840,7 @@ sub simplify { # 8&8=8 $expression=~s/([^_\.\d])([_\.\d]+)\&\2([^_\.\d])/$1$2$3/g; # 8|8=8 - $expression=~s/([^_\.\d])([_\.\d]+)\|\2([^_\.\d])/$1$2$3/g; + $expression=~s/([^_\.\d])([_\.\d]+)(?:\|\2)+([^_\.\d])/$1$2$3/g; # (5&3)&4=5&3&4 $expression=~s/\(([_\.\d]+)((?:\&[_\.\d]+)+)\)\&([_\.\d]+[^_\.\d])/$1$2\&$3/g; # (((5&3)|(4&6)))=((5&3)|(4&6)) @@ -909,7 +948,9 @@ sub traceroute { $further=simplify('('.'_'.$rid.')&('. $hash{'condid_'.$hash{'undercond_'.$id}}.')'); } else { - $errtext.=&mt('
Undefined condition ID: [_1]',$hash{'undercond_'.$id}); + $errtext.= '
'. + &mt('Undefined condition ID: [_1]', + $hash{'undercond_'.$id}); } } # Recurse to resoruces that have to's to us. @@ -1052,7 +1093,18 @@ sub hiddenurls { # -------------------------------- randomly eliminate the ones that should stay my (undef,$id)=split(/\./,$rid); if ($randompickseed{$rid}) { $id=$randompickseed{$rid}; } + my $setcode; + if (defined($randomizationcode{$rid})) { + if ($env{'form.CODE'} eq '') { + $env{'form.CODE'} = $randomizationcode{$rid}; + $setcode = 1; + } + } my $rndseed=&Apache::lonnet::rndseed($id); # use id instead of symb + if ($setcode) { + undef($env{'form.CODE'}); + undef($setcode); + } &Apache::lonnet::setup_random_from_rndseed($rndseed); my @whichids=&Math::Random::random_permuted_index($#currentrids+1); for (my $i=1;$i<=$rndpick;$i++) { $currentrids[$whichids[$i]]=''; } @@ -1108,9 +1160,8 @@ sub readmap { # # Most likely a permissions problem on the lockfile or its directory. # - $errtext.='
'.&mt('Map not loaded - Lock file could not be opened when reading map:').' '.$fn.'.'; $retfurl = ''; - return ($retfurl,$errtext); + return ($retfurl,'
'.&mt('Map not loaded - Lock file could not be opened when reading map:').' '.$fn.'.'); } my $lock=0; my $gotstate=0; @@ -1126,6 +1177,7 @@ sub readmap { undef %hiddenurl; undef %encurl; $retfrid=''; + $errtext=''; my ($untiedhash,$untiedparmhash,$tiedhash,$tiedparmhash); # More state flags. # if we got the lock, regenerate course regnerate empty files and tie them. @@ -1220,7 +1272,9 @@ sub readmap { # &Apache::lonnet::appenv({"request.course.id" => $short, "request.course.fn" => $fn, - "request.course.uri" => $uri}); + "request.course.uri" => $uri, + "request.course.tied" => time}); + $untiedhash = untie(%hash); $untiedparmhash = untie(%parmhash); $gotstate = 1; @@ -1265,6 +1319,7 @@ sub readmap { undef %randompick; undef %hiddenurl; undef %encurl; + $errtext=''; $retfrid=''; # # Once more through the routine of tying and loading and so on. @@ -1367,7 +1422,7 @@ sub build_tmp_hashes { # sub-maps. - &loadmap($uri,'0.0'); + &loadmap($uri,'0.0',$short); # The code below only executes if there is a starting point for the map> # Q/BUG??? If there is no start resource for the map should that be an error? @@ -1376,7 +1431,8 @@ sub build_tmp_hashes { if (defined($hash{'map_start_'.$uri})) { &Apache::lonnet::appenv({"request.course.id" => $short, "request.course.fn" => $fn, - "request.course.uri" => $uri}); + "request.course.uri" => $uri, + "request.course.tied" => time}); $env{'request.course.id'}=$short; &traceroute('0',$hash{'map_start_'.$uri},'&'); &accinit($uri,$short,$fn); @@ -1427,7 +1483,7 @@ sub unlink_tmpfiles { my ($fn) = @_; my $file_dir = dirname($fn); - if ($fn eq LONCAPA::tempdir()) { + if ("$file_dir/" eq LONCAPA::tempdir()) { my @files = qw (.db _symb.db .state _parms.db); foreach my $file (@files) { if (-e $fn.$file) { @@ -1504,8 +1560,8 @@ sub evalstate { $count++; } my ($mapid) = split(/\./,$id); - &mt('Resource "[_1]"
in Map "[_2]"', - $hash{'title_'.$id}, + &mt('Resource [_1][_2]in Map [_3]', + $hash{'title_'.$id},'
', $hash{'title_'.$hash{'ids_'.$hash{'map_id_'.$mapid}}}); } (@{ $mapalias_cache{$mapalias} })); next if ($count < 2);