--- loncom/interface/loncommon.pm 2007/10/22 22:16:38 1.594 +++ loncom/interface/loncommon.pm 2009/07/02 15:55:08 1.849 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.594 2007/10/22 22:16:38 raeburn Exp $ +# $Id: loncommon.pm,v 1.849 2009/07/02 15:55:08 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -61,12 +61,15 @@ use POSIX qw(strftime mktime); use Apache::lonmenu(); use Apache::lonenc(); use Apache::lonlocal; +use Apache::lonnet(); use HTML::Entities; use Apache::lonhtmlcommon(); use Apache::loncoursedata(); use Apache::lontexconvert(); use Apache::lonclonecourse(); use LONCAPA qw(:DEFAULT :match); +use DateTime::TimeZone; +use DateTime::Locale::Catalog; # ---------------------------------------------- Designs use vars qw(%defaultdesign); @@ -78,6 +81,76 @@ my $readit; ## Global Variables ## + +# ----------------------------------------------- SSI with retries: +# + +=pod + +=head1 Server Side include with retries: + +=over 4 + +=item * &ssi_with_retries(resource,retries form) + +Performs an ssi with some number of retries. Retries continue either +until the result is ok or until the retry count supplied by the +caller is exhausted. + +Inputs: + +=over 4 + +resource - Identifies the resource to insert. + +retries - Count of the number of retries allowed. + +form - Hash that identifies the rendering options. + +=back + +Returns: + +=over 4 + +content - The content of the response. If retries were exhausted this is empty. + +response - The response from the last attempt (which may or may not have been successful. + +=back + +=back + +=cut + +sub ssi_with_retries { + my ($resource, $retries, %form) = @_; + + + my $ok = 0; # True if we got a good response. + my $content; + my $response; + + # Try to get the ssi done. within the retries count: + + do { + ($content, $response) = &Apache::lonnet::ssi($resource, %form); + $ok = $response->is_success; + if (!$ok) { + &Apache::lonnet::logthis("Failed ssi_with_retries on $resource: ".$response->is_success.', '.$response->code.', '.$response->message); + } + $retries--; + } while (!$ok && ($retries > 0)); + + if (!$ok) { + $content = ''; # On error return an empty content. + } + return ($content, $response); + +} + + + # ----------------------------------------------- Filetypes/Languages/Copyright my %language; my %supported_language; @@ -198,7 +271,7 @@ BEGIN { } } &Apache::lonnet::logthis( - "INFO: Read file types"); + "INFO: Read file types"); $readit=1; } # end of unless($readit) @@ -214,14 +287,14 @@ BEGIN { =over 4 -=item * browser_and_searcher_javascript () +=item * &browser_and_searcher_javascript() XXReturns a string containing javascript with two functions, C and C. Returned string does not contain EscriptE tags. -=item * openbrowser(formname,elementname,only,omit) [javascript] +=item * &openbrowser(formname,elementname,only,omit) [javascript] inputs: formname, elementname, only, omit @@ -234,7 +307,7 @@ with the given extension. Can be a comm Specifying 'omit' will restrict the browser to NOT displaying files with the given extension. Can be a comma separated list. -=item * opensearcher(formname, elementname) [javascript] +=item * &opensearcher(formname,elementname) [javascript] Inputs: formname, elementname @@ -257,6 +330,7 @@ sub browser_and_searcher_javascript { } url += 'catalogmode=interactive&'; url += 'mode=$mode&'; + url += 'inhibitmenu=yes&'; url += 'form=' + formname + '&'; if (only != null) { url += 'only=' + only + '&'; @@ -318,7 +392,7 @@ sub storeresurl { unless ($resurl=~/^\/res/) { return 0; } $resurl=~s/\/$//; &Apache::lonnet::put('environment',{'lastresurl' => $resurl}); - &Apache::lonnet::appenv('environment.lastresurl' => $resurl); + &Apache::lonnet::appenv({'environment.lastresurl' => $resurl}); return 1; } @@ -332,9 +406,10 @@ sub studentbrowser_javascript { || ($env{'request.role'}=~/^(au|dc|su)/) ) { return ''; } return (<<'ENDSTDBRW'); - ENDSTDBRW } sub selectstudent_link { - my ($form,$unameele,$udomele)=@_; + my ($form,$unameele,$udomele,$courseadvonly)=@_; + my $callargs = "'".$form."','".$unameele."','".$udomele."'"; if ($env{'request.course.id'}) { if (!&Apache::lonnet::allowed('srm',$env{'request.course.id'}) && !&Apache::lonnet::allowed('srm',$env{'request.course.id'}. '/'.$env{'request.course.sec'})) { return ''; } - return "".&mt('Select User').""; + if ($courseadvonly) { + $callargs .= ",'',1,1"; + } + return ''. + ''. + &mt('Select User').''; } if ($env{'request.role'}=~/^(au|dc|su)/) { - return "".&mt('Select User').""; + $callargs .= ",1"; + return ''. + ''. + &mt('Select User').''; } return ''; } +sub authorbrowser_javascript { + return <<"ENDAUTHORBRW"; + +ENDAUTHORBRW +} + sub coursebrowser_javascript { my ($domainfilter,$sec_element,$formname)=@_; my $crs_or_grp_alert = &mt('Please select the type of LON-CAPA entity - Course or Group - for which you wish to add/modify a user role'); my $output = ' -'; return $output; } @@ -471,7 +582,10 @@ sub setsec_javascript { my ($sec_element,$formname) = @_; my $setsections = qq| function setSect(sectionlist) { - var sectionsArray = sectionlist.split(","); + var sectionsArray = new Array(); + if ((sectionlist != '') && (typeof sectionlist != "undefined")) { + sectionsArray = sectionlist.split(","); + } var numSections = sectionsArray.length; document.$formname.$sec_element.length = 0; if (numSections == 0) { @@ -506,8 +620,19 @@ function setSect(sectionlist) { sub selectcourse_link { my ($form,$unameele,$udomele,$desc,$extra_element,$multflag,$selecttype)=@_; - return "".&mt('Select Course').""; + return '' + ."".&mt('Select Course').'' + .''; +} + +sub selectauthor_link { + my ($form,$udom)=@_; + return ''. + &mt('Select Author').''; } sub check_uncheck_jscript { @@ -535,16 +660,103 @@ ENDSCRT return $jscript; } +sub select_timezone { + my ($name,$selected,$onchange,$includeempty)=@_; + my $output=' menus. The select menus will be linked in that changing the value of the first menu will result in new values being placed in the second menu. The values in the select menu will appear in alphabetical -order. +order unless a defined order is provided. linked_select_forms takes the following ordered inputs: @@ -562,6 +774,8 @@ linked_select_forms takes the following =item * $hashref, a reference to a hash containing the data for the menus. +=item * $menuorder, the order of values in the first menu + =back Below is an example of such a hash. Only the 'text', 'default', and @@ -578,7 +792,8 @@ $menu{$choice1}->{'select2'}. B2 => "Choice B2", B3 => "Choice B3", B4 => "Choice B4" - } + }, + order => ['B4','B3','B1','B2'], }, A2 => { text =>"Choice A2" , default => "C2", @@ -586,7 +801,8 @@ $menu{$choice1}->{'select2'}. C1 => "Choice C1", C2 => "Choice C2", C3 => "Choice C3" - } + }, + order => ['C2','C1','C3'], }, A3 => { text =>"Choice A3" , default => "D6", @@ -598,7 +814,8 @@ $menu{$choice1}->{'select2'}. D5 => "Choice D5", D6 => "Choice D6", D7 => "Choice D7" - } + }, + order => ['D4','D3','D2','D1','D7','D6','D5'], } ); @@ -610,13 +827,15 @@ sub linked_select_forms { $firstdefault, $firstselectname, $secondselectname, - $hashref + $hashref, + $menuorder, ) = @_; my $second = "document.$formname.$secondselectname"; my $first = "document.$formname.$firstselectname"; # output the javascript to do the changing my $result = ''; - $result.=" END # output the initial values for the selection lists $result .= "\n"; my $seconddefault = $hashref->{$firstdefault}->{'default'}; - foreach my $value (sort(keys(%select2))) { + + my @secondorder = sort(keys(%select2)); + if (ref($hashref->{$firstdefault}->{'order'}) eq 'ARRAY') { + @secondorder = @{$hashref->{$firstdefault}->{'order'}}; + } + foreach my $value (@secondorder) { $result.=" '); } $r->print(''); - foreach my $line (0..2) { + foreach my $line (0..($max_samples-1)) { if (defined($samples->[$line]{$key})) { $r->print($samples->[$line]{$key}."
\n"); } @@ -6796,7 +8652,7 @@ sub csv_samples_select_table { =pod -=item clean_excel_name($name) +=item * &clean_excel_name($name) Returns a replacement for $name which does not contain any illegal characters. @@ -6815,7 +8671,7 @@ sub clean_excel_name { =pod -=item * check_if_partid_hidden($id,$symb,$udom,$uname) +=item * &check_if_partid_hidden($id,$symb,$udom,$uname) Returns either 1 or undef @@ -6856,7 +8712,7 @@ sub check_if_partid_hidden { =over 4 -=item get_cgi_id +=item * &get_cgi_id() Inputs: none @@ -6880,7 +8736,7 @@ sub get_cgi_id { =pod -=item DrawBarGraph +=item * &DrawBarGraph() Facilitates the plotting of data in a (stacked) bar graph. Puts plot definition data into the users environment in order for @@ -7015,7 +8871,7 @@ sub DrawBarGraph { $ValuesHash{$id.'.'.$key} = $value; } # - &Apache::lonnet::appenv(%ValuesHash); + &Apache::lonnet::appenv(\%ValuesHash); return ''; } @@ -7024,7 +8880,7 @@ sub DrawBarGraph { =pod -=item DrawXYGraph +=item * &DrawXYGraph() Facilitates the plotting of data in an XY graph. Puts plot definition data into the users environment in order for @@ -7105,7 +8961,7 @@ sub DrawXYGraph { $ValuesHash{$id.'.'.$key} = $value; } # - &Apache::lonnet::appenv(%ValuesHash); + &Apache::lonnet::appenv(\%ValuesHash); return ''; } @@ -7114,7 +8970,7 @@ sub DrawXYGraph { =pod -=item DrawXYYGraph +=item * &DrawXYYGraph() Facilitates the plotting of data in an XY graph with two Y axes. Puts plot definition data into the users environment in order for @@ -7207,7 +9063,7 @@ sub DrawXYYGraph { $ValuesHash{$id.'.'.$key} = $value; } # - &Apache::lonnet::appenv(%ValuesHash); + &Apache::lonnet::appenv(\%ValuesHash); return ''; } @@ -7224,7 +9080,7 @@ Bad place for them but what the hell. =over 4 -=item &chartlink +=item * &chartlink() Returns a link to the chart for a specific student. @@ -7263,9 +9119,9 @@ sub chartlink { =over 4 -=item &restore_course_settings +=item * &restore_course_settings() -=item &store_course_settings +=item * &store_course_settings() Restores/Store indicated form parameters from the course environment. Will not overwrite existing values of the form parameters. @@ -7285,6 +9141,8 @@ a hash ref describing the data to be sto Returns: both routines return nothing +=back + =cut ####################################################### @@ -7337,7 +9195,7 @@ sub store_settings { 'got error:'.$put_result); } # Make sure these settings stick around in this session, too - &Apache::lonnet::appenv(%AppHash); + &Apache::lonnet::appenv(\%AppHash); return; } @@ -7365,16 +9223,429 @@ sub restore_settings { } } +####################################################### +####################################################### + +=pod + +=head1 Domain E-mail Routines + +=over 4 + +=item * &build_recipient_list() + +Build recipient lists for four types of e-mail: +(a) Error Reports, (b) Package Updates, (c) lonstatus warnings/errors +(d) Help requests, generated by +lonerrorhandler.pm, CHECKRPMS, loncron, and lonsupportreq.pm respectively. + +Inputs: +defmail (scalar - email address of default recipient), +mailing type (scalar - errormail, packagesmail, or helpdeskmail), +defdom (domain for which to retrieve configuration settings), +origmail (scalar - email address of recipient from loncapa.conf, +i.e., predates configuration by DC via domainprefs.pm + +Returns: comma separated list of addresses to which to send e-mail. + +=back + +=cut + ############################################################ ############################################################ +sub build_recipient_list { + my ($defmail,$mailing,$defdom,$origmail) = @_; + my @recipients; + my $otheremails; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['contacts'],$defdom); + if (ref($domconfig{'contacts'}) eq 'HASH') { + if (exists($domconfig{'contacts'}{$mailing})) { + if (ref($domconfig{'contacts'}{$mailing}) eq 'HASH') { + my @contacts = ('adminemail','supportemail'); + foreach my $item (@contacts) { + if ($domconfig{'contacts'}{$mailing}{$item}) { + my $addr = $domconfig{'contacts'}{$item}; + if (!grep(/^\Q$addr\E$/,@recipients)) { + push(@recipients,$addr); + } + } + $otheremails = $domconfig{'contacts'}{$mailing}{'others'}; + } + } + } elsif ($origmail ne '') { + push(@recipients,$origmail); + } + } elsif ($origmail ne '') { + push(@recipients,$origmail); + } + if (defined($defmail)) { + if ($defmail ne '') { + push(@recipients,$defmail); + } + } + if ($otheremails) { + my @others; + if ($otheremails =~ /,/) { + @others = split(/,/,$otheremails); + } else { + push(@others,$otheremails); + } + foreach my $addr (@others) { + if (!grep(/^\Q$addr\E$/,@recipients)) { + push(@recipients,$addr); + } + } + } + my $recipientlist = join(',',@recipients); + return $recipientlist; +} + +############################################################ +############################################################ + +=pod + +=head1 Course Catalog Routines + +=over 4 + +=item * &gather_categories() + +Converts category definitions - keys of categories hash stored in +coursecategories in configuration.db on the primary library server in a +domain - to an array. Also generates javascript and idx hash used to +generate Domain Coordinator interface for editing Course Categories. + +Inputs: + +categories (reference to hash of category definitions). + +cats (reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories). + +idx (reference to hash of counters used in Domain Coordinator interface for + editing Course Categories). + +jsarray (reference to array of categories used to create Javascript arrays for + Domain Coordinator interface for editing Course Categories). + +Returns: nothing + +Side effects: populates cats, idx and jsarray. + +=cut + +sub gather_categories { + my ($categories,$cats,$idx,$jsarray) = @_; + my %counters; + my $num = 0; + foreach my $item (keys(%{$categories})) { + my ($cat,$container,$depth) = map { &unescape($_); } split(/:/,$item); + if ($container eq '' && $depth == 0) { + $cats->[$depth][$categories->{$item}] = $cat; + } else { + $cats->[$depth]{$container}[$categories->{$item}] = $cat; + } + my ($escitem,$tail) = split(/:/,$item,2); + if ($counters{$tail} eq '') { + $counters{$tail} = $num; + $num ++; + } + if (ref($idx) eq 'HASH') { + $idx->{$item} = $counters{$tail}; + } + if (ref($jsarray) eq 'ARRAY') { + push(@{$jsarray->[$counters{$tail}]},$item); + } + } + return; +} + +=pod + +=item * &extract_categories() + +Used to generate breadcrumb trails for course categories. + +Inputs: + +categories (reference to hash of category definitions). + +cats (reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories). + +trails (reference to array of breacrumb trails for each category). + +allitems (reference to hash - key is category key + (format: escaped(name):escaped(parent category):depth in hierarchy). + +idx (reference to hash of counters used in Domain Coordinator interface for + editing Course Categories). + +jsarray (reference to array of categories used to create Javascript arrays for + Domain Coordinator interface for editing Course Categories). + +subcats (reference to hash of arrays containing all subcategories within each + category, -recursive) + +Returns: nothing + +Side effects: populates trails and allitems hash references. + +=cut + +sub extract_categories { + my ($categories,$cats,$trails,$allitems,$idx,$jsarray,$subcats) = @_; + if (ref($categories) eq 'HASH') { + &gather_categories($categories,$cats,$idx,$jsarray); + if (ref($cats->[0]) eq 'ARRAY') { + for (my $i=0; $i<@{$cats->[0]}; $i++) { + my $name = $cats->[0][$i]; + my $item = &escape($name).'::0'; + my $trailstr; + if ($name eq 'instcode') { + $trailstr = &mt('Official courses (with institutional codes)'); + } else { + $trailstr = $name; + } + if ($allitems->{$item} eq '') { + push(@{$trails},$trailstr); + $allitems->{$item} = scalar(@{$trails})-1; + } + my @parents = ($name); + if (ref($cats->[1]{$name}) eq 'ARRAY') { + for (my $j=0; $j<@{$cats->[1]{$name}}; $j++) { + my $category = $cats->[1]{$name}[$j]; + if (ref($subcats) eq 'HASH') { + push(@{$subcats->{$item}},&escape($category).':'.&escape($name).':1'); + } + &recurse_categories($cats,2,$category,$trails,$allitems,\@parents,$subcats); + } + } else { + if (ref($subcats) eq 'HASH') { + $subcats->{$item} = []; + } + } + } + } + } + return; +} + +=pod + +=item *&recurse_categories() + +Recursively used to generate breadcrumb trails for course categories. + +Inputs: + +cats (reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories). + +depth (current depth in hierarchy of categories and sub-categories - 0 indexed). + +category (current course category, for which breadcrumb trail is being generated). + +trails (reference to array of breadcrumb trails for each category). + +allitems (reference to hash - key is category key + (format: escaped(name):escaped(parent category):depth in hierarchy). + +parents (array containing containers directories for current category, + back to top level). + +Returns: nothing + +Side effects: populates trails and allitems hash references + +=cut + +sub recurse_categories { + my ($cats,$depth,$category,$trails,$allitems,$parents,$subcats) = @_; + my $shallower = $depth - 1; + if (ref($cats->[$depth]{$category}) eq 'ARRAY') { + for (my $k=0; $k<@{$cats->[$depth]{$category}}; $k++) { + my $name = $cats->[$depth]{$category}[$k]; + my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower; + my $trailstr = join(' -> ',(@{$parents},$category)); + if ($allitems->{$item} eq '') { + push(@{$trails},$trailstr); + $allitems->{$item} = scalar(@{$trails})-1; + } + my $deeper = $depth+1; + push(@{$parents},$category); + if (ref($subcats) eq 'HASH') { + my $subcat = &escape($name).':'.$category.':'.$depth; + for (my $j=@{$parents}; $j>=0; $j--) { + my $higher; + if ($j > 0) { + $higher = &escape($parents->[$j]).':'. + &escape($parents->[$j-1]).':'.$j; + } else { + $higher = &escape($parents->[$j]).'::'.$j; + } + push(@{$subcats->{$higher}},$subcat); + } + } + &recurse_categories($cats,$deeper,$name,$trails,$allitems,$parents, + $subcats); + pop(@{$parents}); + } + } else { + my $item = &escape($category).':'.&escape($parents->[-1]).':'.$shallower; + my $trailstr = join(' -> ',(@{$parents},$category)); + if ($allitems->{$item} eq '') { + push(@{$trails},$trailstr); + $allitems->{$item} = scalar(@{$trails})-1; + } + } + return; +} + +=pod + +=item *&assign_categories_table() + +Create a datatable for display of hierarchical categories in a domain, +with checkboxes to allow a course to be categorized. + +Inputs: + +cathash - reference to hash of categories defined for the domain (from + configuration.db) + +currcat - scalar with an & separated list of categories assigned to a course. + +Returns: $output (markup to be displayed) + +=cut + +sub assign_categories_table { + my ($cathash,$currcat) = @_; + my $output; + if (ref($cathash) eq 'HASH') { + my (@cats,@trails,%allitems,%idx,@jsarray,@path,$maxdepth); + &extract_categories($cathash,\@cats,\@trails,\%allitems,\%idx,\@jsarray); + $maxdepth = scalar(@cats); + if (@cats > 0) { + my $itemcount = 0; + if (ref($cats[0]) eq 'ARRAY') { + $output = &Apache::loncommon::start_data_table(); + my @currcategories; + if ($currcat ne '') { + @currcategories = split('&',$currcat); + } + for (my $i=0; $i<@{$cats[0]}; $i++) { + my $parent = $cats[0][$i]; + my $css_class = $itemcount%2?' class="LC_odd_row"':''; + next if ($parent eq 'instcode'); + my $item = &escape($parent).'::0'; + my $checked = ''; + if (@currcategories > 0) { + if (grep(/^\Q$item\E$/,@currcategories)) { + $checked = ' checked="checked"'; + } + } + $output .= ''. + ''.$parent.''. + ''; + my $depth = 1; + push(@path,$parent); + $output .= &assign_category_rows($itemcount,\@cats,$depth,$parent,\@path,\@currcategories); + pop(@path); + $output .= ''; + $itemcount ++; + } + $output .= &Apache::loncommon::end_data_table(); + } + } + } + return $output; +} + +=pod + +=item *&assign_category_rows() + +Create a datatable row for display of nested categories in a domain, +with checkboxes to allow a course to be categorized,called recursively. + +Inputs: + +itemcount - track row number for alternating colors + +cats - reference to array of arrays/hashes which encapsulates hierarchy of + categories and subcategories. + +depth - current depth in hierarchy of categories and sub-categories - 0 indexed. + +parent - parent of current category item + +path - Array containing all categories back up through the hierarchy from the + current category to the top level. + +currcategories - reference to array of current categories assigned to the course + +Returns: $output (markup to be displayed). + +=cut + +sub assign_category_rows { + my ($itemcount,$cats,$depth,$parent,$path,$currcategories) = @_; + my ($text,$name,$item,$chgstr); + if (ref($cats) eq 'ARRAY') { + my $maxdepth = scalar(@{$cats}); + if (ref($cats->[$depth]) eq 'HASH') { + if (ref($cats->[$depth]{$parent}) eq 'ARRAY') { + my $numchildren = @{$cats->[$depth]{$parent}}; + my $css_class = $itemcount%2?' class="LC_odd_row"':''; + $text .= ''; + for (my $j=0; $j<$numchildren; $j++) { + $name = $cats->[$depth]{$parent}[$j]; + $item = &escape($name).':'.&escape($parent).':'.$depth; + my $deeper = $depth+1; + my $checked = ''; + if (ref($currcategories) eq 'ARRAY') { + if (@{$currcategories} > 0) { + if (grep(/^\Q$item\E$/,@{$currcategories})) { + $checked = ' checked="checked"'; + } + } + } + $text .= ''; + } + $text .= '
'. + ''. + ''; + if (ref($path) eq 'ARRAY') { + push(@{$path},$name); + $text .= &assign_category_rows($itemcount,$cats,$deeper,$name,$path,$currcategories); + pop(@{$path}); + } + $text .= '
'; + } + } + } + return $text; +} + +############################################################ +############################################################ + sub commit_customrole { - my ($udom,$uname,$url,$three,$four,$five,$start,$end) = @_; - my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.'@'.$three.' in '.$url. + my ($udom,$uname,$url,$three,$four,$five,$start,$end,$context) = @_; + my $output = &mt('Assigning custom role').' "'.$five.'" by '.$four.':'.$three.' in '.$url. ($start?', '.&mt('starting').' '.localtime($start):''). ($end?', ending '.localtime($end):'').': '. &Apache::lonnet::assigncustomrole( - $udom,$uname,$url,$three,$four,$five,$end,$start). + $udom,$uname,$url,$three,$four,$five,$end,$start,undef,undef,$context). '
'; return $output; } @@ -7391,8 +9662,8 @@ sub commit_standardrole { my $result = &commit_studentrole(\$logmsg,$udom,$uname,$url,$three,$start,$end, $one,$two,$sec,$context); if (($result =~ /^error/) || ($result eq 'not_in_class') || - ($result eq 'unknown_course')) { - $output = "Error: $result\n"; + ($result eq 'unknown_course') || ($result eq 'refused')) { + $output = $logmsg.' '.&mt('Error: ').$result."\n"; } else { $output = $logmsg.$linefeed.&mt('Assigning').' '.$three.' in '.$url. ($start?', '.&mt('starting').' '.localtime($start):''). @@ -7409,7 +9680,7 @@ sub commit_standardrole { $output = &mt('Assigning').' '.$three.' in '.$url. ($start?', '.&mt('starting').' '.localtime($start):''). ($end?', '.&mt('ending').' '.localtime($end):'').': '; - my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start); + my $result = &Apache::lonnet::assignrole($udom,$uname,$url,$three,$end,$start,'','',$context); if ($context eq 'auto') { $output .= $result.$linefeed; } else { @@ -7421,7 +9692,7 @@ sub commit_standardrole { sub commit_studentrole { my ($logmsg,$udom,$uname,$url,$three,$start,$end,$one,$two,$sec,$context) = @_; - my ($result,$linefeed); + my ($result,$linefeed,$oldsecurl,$newsecurl); if ($context eq 'auto') { $linefeed = "\n"; } else { @@ -7433,37 +9704,92 @@ sub commit_studentrole { my $secchange = 0; my $expire_role_result; my $modify_section_result; - unless ($oldsec eq '-1') { - unless ($sec eq $oldsec) { + if ($oldsec ne '-1') { + if ($oldsec ne $sec) { $secchange = 1; + my $now = time; my $uurl='/'.$cid; $uurl=~s/\_/\//g; if ($oldsec) { $uurl.='/'.$oldsec; } - $expire_role_result = &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',time); + $oldsecurl = $uurl; + $expire_role_result = + &Apache::lonnet::assignrole($udom,$uname,$uurl,'st',$now,'','',$context); + if ($env{'request.course.sec'} ne '') { + if ($expire_role_result eq 'refused') { + my @roles = ('st'); + my @statuses = ('previous'); + my @roledoms = ($one); + my $withsec = 1; + my %roleshash = + &Apache::lonnet::get_my_roles($uname,$udom,'userroles', + \@statuses,\@roles,\@roledoms,$withsec); + if (defined ($roleshash{$two.':'.$one.':st:'.$oldsec})) { + my ($oldstart,$oldend) = + split(':',$roleshash{$two.':'.$one.':st:'.$oldsec}); + if ($oldend > 0 && $oldend <= $now) { + $expire_role_result = 'ok'; + } + } + } + } $result = $expire_role_result; } } if (($expire_role_result eq 'ok') || ($secchange == 0)) { - $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid); + $modify_section_result = &Apache::lonnet::modify_student_enrollment($udom,$uname,undef,undef,undef,undef,undef,$sec,$end,$start,'','',$cid,'',$context); if ($modify_section_result =~ /^ok/) { if ($secchange == 1) { - $$logmsg .= "Section for $uname switched from old section: $oldsec to new section: $sec".$linefeed; + if ($sec eq '') { + $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to student role without a section.',$uname,$oldsec).$linefeed; + } else { + $$logmsg .= &mt('Section for [_1] switched from (possibly expired) old section: [_2] to new section: [_3].',$uname,$oldsec,$sec).$linefeed; + } } elsif ($oldsec eq '-1') { - $$logmsg .= "New student role for $uname in section $sec in course $cid".$linefeed; + if ($sec eq '') { + $$logmsg .= &mt('New student role without a section for [_1] in course [_2].',$uname,$cid).$linefeed; + } else { + $$logmsg .= &mt('New student role for [_1] in section [_2] in course [_3].',$uname,$sec,$cid).$linefeed; + } } else { - $$logmsg .= "Student $uname assigned to unchanged section $sec in course $cid".$linefeed; + if ($sec eq '') { + $$logmsg .= &mt('Student [_1] assigned to course [_2] without a section.',$uname,$cid).$linefeed; + } else { + $$logmsg .= &mt('Student [_1] assigned to section [_2] in course [_3].',$uname,$sec,$cid).$linefeed; + } } } else { - $$logmsg .= "Error when attempting section change for $uname from old section $oldsec to new section: $sec in course $cid -error: $modify_section_result".$linefeed; + if ($secchange) { + $$logmsg .= &mt('Error when attempting section change for [_1] from old section "[_2]" to new section: "[_3]" in course [_4] -error:',$uname,$oldsec,$sec,$cid).' '.$modify_section_result.$linefeed; + } else { + $$logmsg .= &mt('Error when attempting to modify role for [_1] for section: "[_2]" in course [_3] -error:',$uname,$sec,$cid).' '.$modify_section_result.$linefeed; + } } $result = $modify_section_result; } elsif ($secchange == 1) { - $$logmsg .= "Error when attempting to expire role for $uname in old section $oldsec in course $cid -error: $expire_role_result".$linefeed; + if ($oldsec eq '') { + $$logmsg .= &mt('Error when attempting to expire existing role without a section for [_1] in course [_3] -error: ',$uname,$cid).' '.$expire_role_result.$linefeed; + } else { + $$logmsg .= &mt('Error when attempting to expire existing role for [_1] in section [_2] in course [_3] -error: ',$uname,$oldsec,$cid).' '.$expire_role_result.$linefeed; + } + if ($expire_role_result eq 'refused') { + my $newsecurl = '/'.$cid; + $newsecurl =~ s/\_/\//g; + if ($sec ne '') { + $newsecurl.='/'.$sec; + } + if (&Apache::lonnet::allowed('cst',$newsecurl) && !(&Apache::lonnet::allowed('cst',$oldsecurl))) { + if ($sec eq '') { + $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments unaffiliated with any section.',$sec).$linefeed; + } else { + $$logmsg .= &mt('Although your current role has privileges to add students to section "[_1]", you do not have privileges to modify existing enrollments in other sections.',$sec).$linefeed; + } + } + } } } else { - $$logmsg .= "Incomplete course id defined. Addition of user $uname from domain $udom to course $one\_$two, section $sec not completed.$linefeed"; + $$logmsg .= &mt('Incomplete course id defined.').$linefeed.&mt('Addition of user [_1] from domain [_2] to course [_3], section [_4] not completed.',$uname,$udom,$one.'_'.$two,$sec).$linefeed; $result = "error: incomplete course id\n"; } return $result; @@ -7575,19 +9901,28 @@ sub construct_course { $outcome .= $clonemsg.$linefeed; my %oldcenv=&Apache::lonnet::dump('environment',$$crsudom,$$crsunum); # Copy all files - &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid); + &Apache::lonclonecourse::copycoursefiles($cloneid,$$courseid,$args->{'datemode'},$args->{'dateshift'}); # Restore URL $cenv{'url'}=$oldcenv{'url'}; # Restore title $cenv{'description'}=$oldcenv{'description'}; -# restore grading mode - if (defined($oldcenv{'grading'})) { - $cenv{'grading'}=$oldcenv{'grading'}; - } # Mark as cloned $cenv{'clonedfrom'}=$cloneid; - delete($cenv{'default_enrollment_start_date'}); - delete($cenv{'default_enrollment_end_date'}); +# Need to clone grading mode + my %newenv=&Apache::lonnet::get('environment',['grading'],$$crsudom,$$crsunum); + $cenv{'grading'}=$newenv{'grading'}; +# Do not clone these environment entries + &Apache::lonnet::del('environment', + ['default_enrollment_start_date', + 'default_enrollment_end_date', + 'question.email', + 'policy.email', + 'comment.email', + 'pch.users.denied', + 'plc.users.denied', + 'hidefromcat', + 'categories'], + $$crsudom,$$crsunum); } # @@ -7615,7 +9950,6 @@ sub construct_course { } else { $cenv{'internal.courseowner'} = $args->{'curruser'}; } - my @badclasses = (); # Used to accumulate sections/crosslistings that did not pass classlist access check for course owner. if ($args->{'crssections'}) { $cenv{'internal.sectionnums'} = ''; @@ -7675,7 +10009,7 @@ sub construct_course { } if ($args->{'notify_dc'}) { if ($uname ne '') { - push(@notified,$uname.'@'.$udom); + push(@notified,$uname.':'.$udom); } } if (@notified > 0) { @@ -7815,10 +10149,10 @@ sub construct_course { $outcome .= ($fatal?$errtext:'read ok').' - '; my $title; my $url; if ($args->{'firstres'} eq 'syl') { - $title='Syllabus'; + $title=&mt('Syllabus'); $url='/public/'.$$crsudom.'/'.$$crsunum.'/syllabus'; } else { - $title='Navigate Contents'; + $title=&mt('Navigate Contents'); $url='/adm/navmaps'; } @@ -7872,28 +10206,14 @@ sub icon { return &lonhttpdurl($iconname); } -sub lonhttpd_port { - my $lonhttpd_port=$Apache::lonnet::perlvar{'lonhttpdPort'}; - if (!defined($lonhttpd_port)) { $lonhttpd_port='8080'; } - # IE doesn't like a secure page getting images from a non-secure - # port (when logging we haven't parsed the browser type so default - # back to secure - if ((!exists($env{'browser.type'}) || $env{'browser.type'} eq 'explorer') - && $ENV{'SERVER_PORT'} == 443) { - return 443; - } - return $lonhttpd_port; - -} - sub lonhttpdurl { +# +# Had been used for "small fry" static images on separate port 8080. +# Modify here if lightweight http functionality desired again. +# Currently eliminated due to increasing firewall issues. +# my ($url)=@_; - - my $lonhttpd_port = &lonhttpd_port(); - if ($lonhttpd_port == 443) { - return 'https://'.$ENV{'SERVER_NAME'}.$url; - } - return 'http://'.$ENV{'SERVER_NAME'}.':'.$lonhttpd_port.$url; + return $url; } sub connection_aborted { @@ -7929,7 +10249,23 @@ sub escape_url { return join('/',@urlslices).'/'.$lastitem; } -# -------------------------------------------------------- Initliaze user login +sub compare_arrays { + my ($arrayref1,$arrayref2) = @_; + my (@difference,%count); + @difference = (); + %count = (); + if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) { + foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; } + foreach my $element (keys(%count)) { + if ($count{$element} == 1) { + push(@difference,$element); + } + } + } + return @difference; +} + +# -------------------------------------------------------- Initialize user login sub init_user_environment { my ($r, $username, $domain, $authhost, $form, $args) = @_; my $lonids=$Apache::lonnet::perlvar{'lonIDsDir'}; @@ -7971,7 +10307,7 @@ sub init_user_environment { } # Give them a new cookie my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'} - : $now); + : $now.$$.int(rand(10000))); $cookie="$username\_$id\_$domain\_$authhost"; # Initialize roles @@ -7983,19 +10319,6 @@ sub init_user_environment { my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, $clientunicode,$clientos) = &decode_user_agent($r); -# -------------------------------------- Any accessibility options to remember? - if (($form->{'interface'}) && ($form->{'remember'} eq 'true')) { - foreach my $option ('imagesuppress','appletsuppress', - 'embedsuppress','fontenhance','blackwhite') { - if ($form->{$option} eq 'true') { - &Apache::lonnet::put('environment',{$option => 'on'}, - $domain,$username); - } else { - &Apache::lonnet::del('environment',[$option], - $domain,$username); - } - } - } # ------------------------------------------------------------- Get environment my %userenv = &Apache::lonnet::dump('environment',$domain,$username); @@ -8013,10 +10336,8 @@ sub init_user_environment { if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; } # --------------- Do not trust query string to be put directly into environment - foreach my $option ('imagesuppress','appletsuppress', - 'embedsuppress','fontenhance','blackwhite', - 'interface','localpath','localres') { - $form->{$option}=~s/[\n\r\=]//gs; + foreach my $option ('interface','localpath','localres') { + $form->{$option}=~s/[\n\r\=]//gs; } # --------------------------------------------------------- Write first profile @@ -8050,15 +10371,19 @@ sub init_user_environment { $form->{'interface'}=~s/\W//gs; $initial_env{"browser.interface"} = $form->{'interface'}; $env{'browser.interface'}=$form->{'interface'}; - foreach my $option ('imagesuppress','appletsuppress', - 'embedsuppress','fontenhance','blackwhite') { - if (($form->{$option} eq 'true') || - ($userenv{$option} eq 'on')) { - $initial_env{"browser.$option"} = "on"; - } - } } + foreach my $tool ('aboutme','blog','portfolio') { + $userenv{'availabletools.'.$tool} = + &Apache::lonnet::usertools_access($username,$domain,$tool,'reload'); + } + + foreach my $crstype ('official','unofficial') { + $userenv{'canrequest.'.$crstype} = + &Apache::lonnet::usertools_access($username,$domain,$crstype, + 'reload','requestcourses'); + } + $env{'user.environment'} = "$lonids/$cookie.id"; if (tie(my %disk_env,'GDBM_File',"$lonids/$cookie.id", @@ -8071,8 +10396,8 @@ sub init_user_environment { } untie(%disk_env); } else { - &Apache::lonnet::logthis("WARNING: ". - 'Could not create environment storage in lonauth: '.$!.''); + &Apache::lonnet::logthis("WARNING: ". + 'Could not create environment storage in lonauth: '.$!.''); return 'error: '.$!; } } @@ -8086,12 +10411,54 @@ sub init_user_environment { sub _add_to_env { my ($idf,$env_data,$prefix) = @_; - while (my ($key,$value) = each(%$env_data)) { - $idf->{$prefix.$key} = $value; - $env{$prefix.$key} = $value; + if (ref($env_data) eq 'HASH') { + while (my ($key,$value) = each(%$env_data)) { + $idf->{$prefix.$key} = $value; + $env{$prefix.$key} = $value; + } + } +} + +# --- Get the symbolic name of a problem and the url +sub get_symb { + my ($request,$silent) = @_; + (my $url=$env{'form.url'}) =~ s-^https?\://($ENV{'SERVER_NAME'}|$ENV{'HTTP_HOST'})--; + my $symb=($env{'form.symb'} ne '' ? $env{'form.symb'} : (&Apache::lonnet::symbread($url))); + if ($symb eq '') { + if (!$silent) { + $request->print("Unable to handle ambiguous references:$url:."); + return (); + } } + &Apache::lonenc::check_decrypt(\$symb); + return ($symb); } +# --------------------------------------------------------------Get annotation + +sub get_annotation { + my ($symb,$enc) = @_; + + my $key = $symb; + if (!$enc) { + $key = + &Apache::lonnet::clutter((&Apache::lonnet::decode_symb($symb))[2]); + } + my %annotation=&Apache::lonnet::get('nohist_annotations',[$key]); + return $annotation{$key}; +} + +sub clean_symb { + my ($symb,$delete_enc) = @_; + + &Apache::lonenc::check_decrypt(\$symb); + my $enc = $env{'request.enc'}; + if ($delete_enc) { + delete($env{'request.enc'}); + } + + return ($symb,$enc); +} =pod