loncom/interface/lonsearchcat.pm - diff

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Diff for /loncom/interface/lonsearchcat.pm between versions 1.149 and 1.151

version 1.149, 2002/07/30 20:26:05	version 1.151, 2002/08/04 18:28:01
Line 25	Line 25
#	#
# http://www.lon-capa.org/	# http://www.lon-capa.org/
#	#
# YEAR=2001
# 3/8, 3/12, 3/13, 3/14, 3/15, 3/19 Scott Harrison
# 3/20, 3/21, 3/22, 3/26, 3/27, 4/2, 8/15, 8/24, 8/25 Scott Harrison
# 10/12,10/14,10/15,10/16,11/28,11/29,12/10,12/12,12/16 Scott Harrison
# YEAR=2002
# 1/17 Scott Harrison
# 6/17 Matthew Hall
#
###############################################################################	###############################################################################
###############################################################################	###############################################################################

Line 140 my $diropendb = ""; # db file	Line 132 my $diropendb = ""; # db file
my %Views = ("Detailed Citation View" => \&detailed_citation_view,	my %Views = ("Detailed Citation View" => \&detailed_citation_view,
"Summary View" => \&summary_view,	"Summary View" => \&summary_view,
"Fielded Format" => \&fielded_format_view,	"Fielded Format" => \&fielded_format_view,
"XML/SGML" => \&xml_sgml_view );	"XML/SGML" => \&xml_sgml_view,
	"Compact View" => \&compact_view);
my %persistent_db;	my %persistent_db;
my $hidden_fields;	my $hidden_fields;
######################################################################	######################################################################
Line 214 sub handler {	Line 207 sub handler {
'_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db';	'_'.$ENV{'form.persistent_db_id'}.'_persistent_search.db';
##	##
if (! &get_persistent_form_data($r,$persistent_db_file)) {	if (! &get_persistent_form_data($r,$persistent_db_file)) {
&write_status($r,"Unable to get persistent data");	if ($ENV{'form.phase'} =~ /(run_search\|results)/) {
	&Apache::lonnet::logthis("lonsearchcat:Unable to recover data ".
	"from $persistent_db_file");
	$r->print(<<END);
	<html>
	<head><title>LON-CAPA Search Error</title></head>
	<body>
	We were unable to retrieve data describing your search. This is a serious
	error and has been logged. Please alert your LON-CAPA administrator.
	</body>
	</html>
	END
	return OK;
	}
}	}
##	##
## Clear out old values from groupsearch database	## Clear out old values from groupsearch database
##	##
untie %groupsearch_db if (tied(%groupsearch_db));	untie %groupsearch_db if (tied(%groupsearch_db));
if ($ENV{'form.launch'} eq '1') {	if ($ENV{'form.launch'} eq '1' &&
	($ENV{'form.catalogmode'} eq 'groupsearch') &&
	($ENV{'form.phase'} eq 'results')) {
if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {	if (tie(%groupsearch_db,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
&start_fresh_session();	&start_fresh_session();
untie %groupsearch_db;	untie %groupsearch_db;
Line 231 sub handler {	Line 239 sub handler {
}	}
}	}
##	##
## Configure dynamic components of interface	## Configure hidden fields
##	##
$hidden_fields = '<input type="hidden" name="persistent_db_id" value="'.	$hidden_fields = '<input type="hidden" name="persistent_db_id" value="'.
$ENV{'form.persistent_db_id'}.'" />';	$ENV{'form.persistent_db_id'}.'" />'."\n";
	if (exists($ENV{'form.catalogmode'})) {
	$hidden_fields .= '<input type="hidden" name="catalogmode" value="'.
	$ENV{'form.catalogmode'}.'" />'."\n";
	}
	if (exists($ENV{'form.form'})) {
	$hidden_fields .= '<input type="hidden" name="form" value="'.
	$ENV{'form.form'}.'" />'."\n";
	}
	if (exists($ENV{'form.element'})) {
	$hidden_fields .= '<input type="hidden" name="element" value="'.
	$ENV{'form.element'}.'" />'."\n";
	}
	if (exists($ENV{'form.mode'})) {
	$hidden_fields .= '<input type="hidden" name="mode" value="'.
	$ENV{'form.mode'}.'" />'."\n";
	}
	##
	## Configure dynamic components of interface
##	##
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($ENV{'form.catalogmode'} eq 'interactive') {
$closebutton="<input type='button' name='close' value='CLOSE' ".	$closebutton="<input type='button' name='close' value='CLOSE' ";
"onClick='self.close()'>"."\n";	if ($ENV{'form.phase'} =~ /(results\|run_search)/) {
	$closebutton .="onClick='parent.close()'";
	} else {
	$closebutton .="onClick='self.close()'";
	}
	$closebutton .=">\n";
} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {	} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {
$closebutton=<<END;	$closebutton="<input type='button' name='close' value='CLOSE' ";
<input type='button' name='close' value='CLOSE' onClick='self.close()'>	if ($ENV{'form.phase'} =~ /(results\|run_search)/) {
END	$closebutton .="onClick='parent.close()'";
	} else {
	$closebutton .="onClick='self.close()'";
	}
	$closebutton .= ">";
$importbutton=<<END;	$importbutton=<<END;
<input type='button' name='import' value='IMPORT'	<input type='button' name='import' value='IMPORT'
onClick='javascript:select_group()'>	onClick='javascript:select_group()'>
Line 255 END	Line 290 END
## Sanity checks on form elements	## Sanity checks on form elements
##	##
if (!defined($ENV{'form.viewselect'})) {	if (!defined($ENV{'form.viewselect'})) {
$ENV{'form.viewselect'} ="Detailed Citation View";	if (($ENV{'form.catalogmode'} eq 'groupsearch') \|\|
	($ENV{'form.catalogmode'} eq 'interactive')) {
	$ENV{'form.viewselect'} ="Compact View";
	} else {
	$ENV{'form.viewselect'} ="Detailed Citation View";
	}
}	}
$ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'}));	$ENV{'form.phase'} = 'disp_basic' if (! exists($ENV{'form.phase'}));
	$ENV{'form.show'} = 20 if (! exists($ENV{'form.show'}));
##	##
## Switch on the phase	## Switch on the phase
##	##
Line 267 END	Line 308 END
&print_advanced_search_form($r,$closebutton);	&print_advanced_search_form($r,$closebutton);
} elsif ($ENV{'form.phase'} eq 'results') {	} elsif ($ENV{'form.phase'} eq 'results') {
&display_results($r,$importbutton,$closebutton);	&display_results($r,$importbutton,$closebutton);
} elsif($ENV{'form.phase'} eq 'run_search') {	} elsif ($ENV{'form.phase'} =~ /^(sort\|run_search)$/) {
my ($query,$customquery,$customshow,$libraries,$pretty_string) =	my ($query,$customquery,$customshow,$libraries,$pretty_string) =
&get_persistent_data($persistent_db_file,	&get_persistent_data($persistent_db_file,
['query','customquery','customshow',	['query','customquery','customshow',
'libraries','pretty_string']);	'libraries','pretty_string']);
&write_status($r,"query = $query");	if ($ENV{'form.phase'} eq 'sort') {
&write_status($r,"customquery = $customquery");	&print_sort_form($r,$pretty_string);
&write_status($r,"customshow = $customshow");	} elsif ($ENV{'form.phase'} eq 'run_search') {
&write_status($r,"libraries = $libraries");	&run_search($r,$query,$customquery,$customshow,
&write_status($r,"pretty_string = $pretty_string");	$libraries,$pretty_string);
&run_search($r,$query,$customquery,$customshow,	}
$libraries,$pretty_string);
} elsif(($ENV{'form.phase'} eq 'basic_search') \|\|	} elsif(($ENV{'form.phase'} eq 'basic_search') \|\|
($ENV{'form.phase'} eq 'adv_search')) {	($ENV{'form.phase'} eq 'adv_search')) {
	$ENV{'form.searchmode'} = 'basic';
	if ($ENV{'form.phase'} eq 'adv_search') {
	$ENV{'form.searchmode'} = 'advanced';
	}
# Set up table	# Set up table
if (! defined(&create_results_table())) {	if (! defined(&create_results_table())) {
$r->print(<<END);	$r->print(<<END);
Line 376 then press SEARCH below.	Line 420 then press SEARCH below.
ENDDOCUMENT	ENDDOCUMENT
$scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).	$scrout.=' '.&simpletextfield('basicexp',$ENV{'form.basicexp'},40).
' ';	' ';
# $scrout.=&simplecheckbox('allversions',$ENV{'form.allversions'});
# $scrout.='<font color="#800000">Search historic archives</font>';
my $checkbox = &simplecheckbox('related',$ENV{'form.related'});	my $checkbox = &simplecheckbox('related',$ENV{'form.related'});
$scrout.=<<END;	$scrout.=<<END;
</td><td><a href="/adm/searchcat?phase=disp_adv">Advanced Search</a></td></tr>	</td><td><a href="/adm/searchcat?phase=disp_adv">Advanced Search</a></td></tr>
Line 392 END	Line 434 END
$ENV{'form.viewselect'},	$ENV{'form.viewselect'},
undef,undef,undef,	undef,undef,undef,
sort(keys(%Views)));	sort(keys(%Views)));
	$scrout.=&selectbox(undef,'show',
	$ENV{'form.show'},
	undef,undef,undef,
	(10,20,50,100));
$scrout.=<<ENDDOCUMENT;	$scrout.=<<ENDDOCUMENT;
<input type="button" value="HELP" onClick="openhelp()" />	per page.
</p>	</p>
</form>	</form>
</body>	</body>
Line 459 ENDHEADER	Line 505 ENDHEADER
$ENV{'form.viewselect'},	$ENV{'form.viewselect'},
undef,undef,undef,	undef,undef,undef,
sort(keys(%Views)));	sort(keys(%Views)));
	$scrout.=' ';
	$scrout.=&selectbox(undef,'show',
	$ENV{'form.show'},
	undef,undef,undef,
	(10,20,50,100));
	$scrout.=' '.
	'<font color="#800000" face="helvetica">Per Page</font>';
$scrout.="</td><td>Related<br />Words</td></tr>\n";	$scrout.="</td><td>Related<br />Words</td></tr>\n";
$scrout.=&searchphrasefield_with_related('title', 'title' ,	$scrout.=&searchphrasefield_with_related('title', 'title' ,
$ENV{'form.title'});	$ENV{'form.title'});
Line 755 sub make_form_data_persistent {	Line 808 sub make_form_data_persistent {
my $filename = shift;	my $filename = shift;
my %save;	my %save;
foreach (keys(%ENV)) {	foreach (keys(%ENV)) {
next if (! /^form/ \|\| /submit/);	next if (!/^form/ \|\| /submit/);
$save{$_} = $ENV{$_};	$save{$_} = $ENV{$_};
}	}
return &make_persistent($r,\%save,$filename);	return &make_persistent($r,\%save,$filename);
Line 1090 sub parse_advanced_search {	Line 1143 sub parse_advanced_search {
$ENV{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;	$ENV{"form.$_"}=~s/[^\w\/\s\=\-\"\']//g;
}	}
# Preprocess the category form element.	# Preprocess the category form element.
	$ENV{'form.category'} = 'any' if (ref($ENV{'form.category'}));
if ($ENV{'form.category'} ne 'any') {	if ($ENV{'form.category'} ne 'any') {
my @extensions = &Apache::loncommon::filecategorytypes	my @extensions = &Apache::loncommon::filecategorytypes
($ENV{'form.category'});	($ENV{'form.category'});
Line 1104 sub parse_advanced_search {	Line 1158 sub parse_advanced_search {
}	}
}	}
unless ($fillflag) {	unless ($fillflag) {
&output_blank_field_error($r,$closebutton);	&output_blank_field_error($r,$closebutton,'phase=disp_adv');
return ;	return ;
}	}
# Turn the form input into a SQL-based query	# Turn the form input into a SQL-based query
Line 1261 sub parse_basic_search {	Line 1315 sub parse_basic_search {

# Check to see if enough is filled in	# Check to see if enough is filled in
unless (&filled($ENV{'form.basicexp'})) {	unless (&filled($ENV{'form.basicexp'})) {
&output_blank_field_error($r,$closebutton);	&output_blank_field_error($r,$closebutton,'phase=disp_basic');
return OK;	return OK;
}	}
my $pretty_search_string = '<b>'.$ENV{'form.basicexp'}.'</b>';	my $pretty_search_string = '<b>'.$ENV{'form.basicexp'}.'</b>';
Line 1497 sub build_date_queries {	Line 1551 sub build_date_queries {

######################################################################	######################################################################
######################################################################	######################################################################

sub copyright_check {	sub copyright_check {
my $Metadata = shift;	my $Metadata = shift;
# Check copyright tags and skip results the user cannot use	# Check copyright tags and skip results the user cannot use
Line 1517 sub copyright_check {	Line 1570 sub copyright_check {
return 1;	return 1;
}	}


	######################################################################
	######################################################################

	=pod

	=item &ensure_db_and_table

	Ensure we can get lonmysql to connect to the database and the table we
	need exists.

	Inputs: $r, table id

	Returns: undef on error, 1 if the table exists.

	=cut

	######################################################################
	######################################################################
	sub ensure_db_and_table {
	my ($r,$table) = @_;
	##
	## Sanity check the table id.
	##
	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
	$r->print("Unable to retrieve search results. ".
	"Unable to determine the table results were stored in. ".
	"</body></html>");
	return undef;
	}
	##
	## Make sure we can connect and the table exists.
	##
	my $connection_result = &Apache::lonmysql::connect_to_db();
	if (!defined($connection_result)) {
	$r->print("Unable to connect to the MySQL database where your results".
	" are stored. </body></html>");
	&Apache::lonnet::logthis("lonsearchcat: unable to get lonmysql to".
	" connect to database.");
	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
	return undef;
	}
	my $table_check = &Apache::lonmysql::check_table($table);
	if (! defined($table_check)) {
	$r->print("A MySQL error has occurred.</form></body></html>");
	&Apache::lonnet::logthis("lonmysql was unable to determine the status".
	" of table ".$table);
	return undef;
	} elsif (! $table_check) {
	$r->print("The table of results could not be found.");
	&Apache::lonnet::logthis("The user requested a table, ".$table.
	", that could not be found.");
	return undef;
	}
	return 1;
	}

	######################################################################
	######################################################################

	=pod

	=item &print_sort_form

	=cut

	######################################################################
	######################################################################
	sub print_sort_form {
	my ($r,$pretty_query_string) = @_;
	##
	my %SortableFields =
	(id => 'Default',
	title => 'Title',
	author => 'Author',
	subject => 'Subject',
	url => 'URL',
	version => 'Version Number',
	mime => 'Mime type',
	lang => 'Language',
	owner => 'Owner/Publisher',
	copyright => 'Copyright',
	hostname => 'Host',
	creationdate => 'Creation Date',
	lastrevisiondate => 'Revision Date',
	);
	##
	my $table = $ENV{'form.table'};
	return if (! &ensure_db_and_table($r,$table));
	##
	## Get the number of results
	##
	my $total_results = &Apache::lonmysql::number_of_rows($table);
	if (! defined($total_results)) {
	$r->print("A MySQL error has occurred.</form></body></html>");
	&Apache::lonnet::logthis("lonmysql was unable to determine the number".
	" of rows in table ".$table);
	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
	return;
	}
	my $result;
	$result.=<<END;
	<html>
	<head>
	<script>
	function change_sort() {
	var newloc = "/adm/searchcat?phase=results";
	newloc += "&persistent_db_id=$ENV{'form.persistent_db_id'}";
	newloc += "&sortby=";
	newloc += document.forms.statusform.elements.sortby.value;
	parent.resultsframe.location= newloc;
	}
	</script>
	<title>Results</title>
	</head>
	<body>
	<form name="statusform" action="" method="post">
	END

	#<h2>Sort Results</h2>
	#Sort by: <select size="1" name="sortby" onchange="javascript:change_sort();">
	# $ENV{'form.sortby'} = 'id' if (! defined($ENV{'form.sortby'}));
	# foreach (keys(%SortableFields)) {
	# $result.="<option name=\"$_\"";
	# if ($_ eq $ENV{'form.sortby'}) {
	# $result.=" selected ";
	# }
	# $result.=" >$SortableFields{$_}</option>\n";
	# }
	# $result.="</select>\n";
	my $revise = &revise_button();
	$result.=<<END;
	<p>
	There are $total_results matches to your query. $revise
	</p><p>
	Search:$pretty_query_string
	</p>
	</form>
	</body>
	</html>
	END
	$r->print($result);
	return;
	}

#####################################################################	#####################################################################
#####################################################################	#####################################################################

Line 1540 my @DataOrder = qw/id title author subje	Line 1738 my @DataOrder = qw/id title author subje
abstract mime lang owner copyright creationdate lastrevisiondate hostname/;	abstract mime lang owner copyright creationdate lastrevisiondate hostname/;

my %Datatypes =	my %Datatypes =
( id =>{ type => 'INT',	( id =>{ type => 'MEDIUMINT',
restrictions => 'NOT NULL',	restrictions => 'UNSIGNED NOT NULL',
primary_key => 'yes',	primary_key => 'yes',
auto_inc => 'yes'	auto_inc => 'yes'
},	},
Line 1566 my %Datatypes =	Line 1764 my %Datatypes =
);	);

my @Fullindicies =	my @Fullindicies =
qw/title author subject abstract mime language owner copyright/;	qw/title/;
	# qw/title author subject abstract mime language owner copyright/;

######################################################################	######################################################################
######################################################################	######################################################################
Line 1604 sub create_results_table {	Line 1803 sub create_results_table {

=pod	=pod

=item &write_status()

=cut

######################################################################
######################################################################
sub write_status {
my ($r,$string) = @_;
$string =~ s/(\')/\$1/g;
$string =~ s/\n//sg;
# $r->print("<script>alert('$string');</script>\n");
# $r->rflush();
return;
}

######################################################################
######################################################################

=pod

=item Search Status update functions	=item Search Status update functions

Each of the following functions changes the values of one of the	Each of the following functions changes the values of one of the
input fields used to display the search status to the user.	input fields used to display the search status to the user. The names
	should be explanatory.

	Inputs: Apache request handler ($r), text to display.

	Returns: Nothing.

=over 4	=over 4

=item &update_count_status()	=item &update_count_status()

=item &update_contact_status()	=item &update_status()

=item &update_read_status()	=item &update_seconds()

=back	=back

Line 1651 sub update_count_status {	Line 1835 sub update_count_status {
$r->rflush();	$r->rflush();
}	}

sub update_contact_status {	sub update_status {
my ($r,$text) = @_;	my ($r,$text) = @_;
$text =~ s/\'/\\\'/g;	$text =~ s/\'/\\\'/g;
$r->print	$r->print
("<script>document.statusform.c_server.value = ' $text'</script>\n");	("<script>document.statusform.status.value = ' $text'</script>\n");
$r->rflush();	$r->rflush();
}	}

sub update_read_status {	sub update_seconds {
my ($r,$text) = @_;	my ($r,$text) = @_;
$text =~ s/\'/\\\'/g;	$text =~ s/\'/\\\'/g;
$r->print	$r->print
("<script>document.statusform.r_server.value = ' $text'</script>\n");	("<script>document.statusform.seconds.value = ' $text'</script>\n");
$r->rflush();	$r->rflush();
}	}

Line 1672 sub update_read_status {	Line 1856 sub update_read_status {

=pod	=pod

	=item &revise_button

	Inputs: None

	Returns: html string for a 'revise search' button.

	=cut

	######################################################################
	######################################################################
	sub revise_button {
	my $revise_phase = 'disp_basic';
	$revise_phase = 'disp_adv' if ($ENV{'form.searchmode'} eq 'advanced');
	my $newloc = '/adm/searchcat'.
	'?persistent_db_id='.$ENV{'form.persistent_db_id'}.
	'&phase='.$revise_phase;
	my $result = qq{<input type="button" value="Revise search" name="revise"} .
	qq{ onClick="parent.location='$newloc';" /> };
	return $result;
	}

	######################################################################
	######################################################################

	=pod

=item &run_search	=item &run_search

=cut	=cut
Line 1680 sub update_read_status {	Line 1890 sub update_read_status {
######################################################################	######################################################################
sub run_search {	sub run_search {
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;	my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_;
my $c = $r->connection;	my $connection = $r->connection;
#	#
# Timing variables	# Timing variables
#	#
my $starttime = time;	my $starttime = time;
my $max_time = 120; # seconds for the search to complete	my $max_time = 30; # seconds for the search to complete
#	#
# Print run_search header	# Print run_search header
#	#
$r->print("<html><head><title>Search Status</title></head><body>");	$r->print(<<END);
$r->print("Search: ".$pretty_string."\n");	<html>
	<head><title>Search Status</title></head>
	<body>
	<form name="statusform" action="" method="post">
	<input type="hidden" name="Queue" value="" />
	END
	# Check to see if $pretty_string has more than one carriage return.
	# Assume \n s are following <br /> s and truncate the value.
	# (there is probably a better way)...
	my @Lines = split /\n/,$pretty_string;
	if (@Lines > 1) {
	$pretty_string = join /\n/,(@Lines[0..1],'....<br />');
	}
	$r->print("Search: ".$pretty_string);
$r->rflush();	$r->rflush();
#	#
# Determine the servers we need to contact.	# Determine the servers we need to contact.
Line 1703 sub run_search {	Line 1926 sub run_search {
}	}
my %Server_status;	my %Server_status;
my $table =$ENV{'form.table'};	my $table =$ENV{'form.table'};
if (! defined($table) \|\| $table eq '') {	if (! defined($table) \|\| $table eq '' \|\| $table =~ /\D/ ) {
$r->print("Unable to determine table id to store search results in.".	$r->print("Unable to determine table id to store search results in.".
"The search has been aborted.</body></html>");	"The search has been aborted.</body></html>");
return;	return;
Line 1728 sub run_search {	Line 1951 sub run_search {
my $hitcountsum;	my $hitcountsum;
my $server;	my $server;
my $status;	my $status;
	my $revise = &revise_button();
$r->print(<<END);	$r->print(<<END);
<form name="statusform" action="" method="post">
<table>	<table>
<tr><th>Contacting</th><th>Receiving</th><th>Total Matches</th></tr>	<tr><th>Status</th><th>Total Matches</th><th>Time Remaining</th><th></th></tr>
<tr>	<tr>
<td><input type="text" name="c_server" value="" size="15" /></td>	<td><input type="text" name="status" value="" size="30" /></td>
<td><input type="text" name="r_server" value="" size="15" /></td>	<td><input type="text" name="count" value="" size="10" /></td>
<td><input type="text" name="count" value="" size="10" /></td>	<td><input type="text" name="seconds" value="" size="8" /></td>
	<td>$revise</td>
</tr>	</tr>
</table>	</table>
</form>	</form>
END	END
$r->rflush();	$r->rflush();
while ((time - $starttime < $max_time) &&	my $time_remaining = $max_time - (time - $starttime) ;
	my $last_time = $time_remaining;
	&update_seconds($r,$time_remaining);
	while (($time_remaining > 0) &&
((@Servers_to_contact) \|\| keys(%Server_status))) {	((@Servers_to_contact) \|\| keys(%Server_status))) {
# Send out a search request if it needs to be done.	# Send out a search request if it needs to be done.
if (@Servers_to_contact) {	if (@Servers_to_contact) {
Line 1751 END	Line 1978 END
$customshow,[$server]);	$customshow,[$server]);
($server) = keys(%$reply);	($server) = keys(%$reply);
$Server_status{$server} = $reply->{$server};	$Server_status{$server} = $reply->{$server};
&update_contact_status($r,$server);	&update_status($r,'contacting '.$server);
} else {	} else {
&update_contact_status($r,'none');	# wait a sec. to give time for files to be written
sleep(1); # wait a sec. to give time for files to be written	# This sleep statement is here instead of outside the else
	# block because we do not want to pause if we have servers
	# left to contact.
	sleep(1);
}	}
	&update_status($r,'waiting on '.(join(' ',keys(%Server_status))));
while (my ($server,$status) = each(%Server_status)) {	while (my ($server,$status) = each(%Server_status)) {
last if ($c->aborted());	last if ($connection->aborted());
if ($status eq 'con_lost') {	if ($status eq 'con_lost') {
delete ($Server_status{$server});	delete ($Server_status{$server});
next;	next;
Line 1765 END	Line 1996 END
$status=~/^([\.\w]+)$/;	$status=~/^([\.\w]+)$/;
my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$1;	my $datafile=$r->dir_config('lonDaemons').'/tmp/'.$1;
if (-e $datafile && ! -e "$datafile.end") {	if (-e $datafile && ! -e "$datafile.end") {
	&update_status($r,'Receiving results from '.$server);
next;	next;
}	}
last if ($c->aborted());	last if ($connection->aborted());
if (-e "$datafile.end") {	if (-e "$datafile.end") {
&update_read_status($r,$server);	&update_status($r,'Reading results from '.$server);
if (-z "$datafile") {	if (-z "$datafile") {
delete($Server_status{$server});	delete($Server_status{$server});
next;	next;
}	}
my $fh;	my $fh;
if (!($fh=Apache::File->new($datafile))) {	if (!($fh=Apache::File->new($datafile))) {
# Error opening file...
# Tell the user and exit...?
# Should I give up on opening it?
$r->print("Unable to open search results file for ".	$r->print("Unable to open search results file for ".
"server $server. Omitting from search");	"server $server. Omitting from search");
next;	delete($Server_status{$server});
	next;
}	}
# Read in the whole file.	# Read in the whole file.
while (my $result = <$fh>) {	while (my $result = <$fh>) {
last if ($c->aborted());	last if ($connection->aborted());
# handle custom fields? Someday we will!	# handle custom fields? Someday we will!
chomp($result);	chomp($result);
next unless $result;	next unless $result;
Line 1800 END	Line 2030 END
}	}
# $r->print(&Apache::lonmysql::get_debug());	# $r->print(&Apache::lonmysql::get_debug());
$hitcountsum ++;	$hitcountsum ++;
&update_count_status($r,$hitcountsum) if ($hitcountsum % 50 == 0);	$time_remaining = $max_time - (time - $starttime) ;
	if ($last_time - $time_remaining > 0) {
	&update_seconds($r,$time_remaining);
	$last_time = $time_remaining;
	}
	if ($hitcountsum % 50 == 0) {
	&update_count_status($r,$hitcountsum);
	}
} # End of foreach (@results)	} # End of foreach (@results)
$fh->close();	$fh->close();
# $server is only deleted if the results file has been	# $server is only deleted if the results file has been
# found and (successfully) opened. This may be a bad idea.	# found and (successfully) opened. This may be a bad idea.
delete($Server_status{$server});	delete($Server_status{$server});
# $r->print("Received $new_count more results from ".
# $server.".");
}	}
last if ($c->aborted());	last if ($connection->aborted());
&update_count_status($r,$hitcountsum);	&update_count_status($r,$hitcountsum);
}	}
last if ($c->aborted());	last if ($connection->aborted());
# Finished looping through the servers	# Finished looping through the servers
	$time_remaining = $max_time - (time - $starttime) ;
	if ($last_time - $time_remaining > 0) {
	$last_time = $time_remaining;
	&update_seconds($r,$time_remaining);
	}
}	}
&update_read_status($r,'none');	&update_status($r,'Search Complete'.$server);
	&update_seconds($r,0);
&Apache::lonmysql::disconnect_from_db();	&Apache::lonmysql::disconnect_from_db();
# Let the user know
#
# We have run out of time or run out of servers to talk to and	# We have run out of time or run out of servers to talk to and
# results to get.	# results to get.
$r->print("<b>Search Completed.</b>  ");
if ($hitcountsum) {
$r->print($hitcountsum." matches were found.");
} else {
$r->print("There were no successful matches to your query.");
}
$r->print("</body></html>");	$r->print("</body></html>");
	$r->print("<script>window.location='/adm/searchcat?phase=sort&persistent_db_id=$ENV{'form.persistent_db_id'}';</script>");
return;	return;
}	}

Line 1848 sub prev_next_buttons {	Line 2082 sub prev_next_buttons {
##	##
## Prev	## Prev
my $prev_min = $current_min - $show;	my $prev_min = $current_min - $show;
$prev_min = 0 if $prev_min < 0;	$prev_min = 1 if $prev_min < 1;
if ($prev_min < $current_min) {	if ($prev_min < $current_min) {
$links .= qq{	$links .= qq{
<a href="/adm/searchcat?$parms&start=$prev_min&show=$show">prev</a>	<a href="/adm/searchcat?$parms&start=$prev_min&show=$show">prev</a>
Line 1887 sub prev_next_buttons {	Line 2121 sub prev_next_buttons {
######################################################################	######################################################################
######################################################################	######################################################################
sub display_results {	sub display_results {
my ($r,$mode,$importbutton,$closebutton) = @_;	my ($r,$importbutton,$closebutton) = @_;
$r->print(&search_results_header());	my $connection = $r->connection;
	$r->print(&search_results_header($importbutton,$closebutton));
##	##
## Set viewing function	## Set viewing function
##	##
Line 1908 sub display_results {	Line 2143 sub display_results {
if ($ENV{'form.catalogmode'} eq 'groupsearch') {	if ($ENV{'form.catalogmode'} eq 'groupsearch') {
if (! tie(%groupsearch_db,'GDBM_File',$diropendb,	if (! tie(%groupsearch_db,'GDBM_File',$diropendb,
&GDBM_WRCREAT(),0640)) {	&GDBM_WRCREAT(),0640)) {
$r->print('Unable to tie hash to db file</body></html>');	$r->print('Unable to store import results.</form></body></html>');
$r->rflush();	$r->rflush();
return;	return;
}	}
Line 1917 sub display_results {	Line 2152 sub display_results {
## Prepare the table for querying	## Prepare the table for querying
##	##
my $table = $ENV{'form.table'};	my $table = $ENV{'form.table'};
my $connection_result = &Apache::lonmysql::connect_to_db();	return if (! &ensure_db_and_table($r,$table));
if (!defined($connection_result)) {
$r->print(&Apache::lonmysql::get_error());
}
my $table_check = &Apache::lonmysql::check_table($table);
if (! defined($table_check)) {
$r->print("A MySQL error has occurred.</body></html>");
&Apache::lonnet::logthis("lonmysql was unable to determine the status".
" of table ".$table);
return;
} elsif (! $table_check) {
$r->print("The table of results could not be found.");
&Apache::lonnet::logthis("The user requested a table, ".$table.
", that could not be found.");
return;
}
##	##
## Get the number of results	## Get the number of results
##	##
my $total_results = &Apache::lonmysql::number_of_rows($table);	my $total_results = &Apache::lonmysql::number_of_rows($table);
if (! defined($total_results)) {	if (! defined($total_results)) {
$r->print("A MySQL error has occurred.</body></html>");	$r->print("A MySQL error has occurred.</form></body></html>");
&Apache::lonnet::logthis("lonmysql was unable to determine the number".	&Apache::lonnet::logthis("lonmysql was unable to determine the number".
" of rows in table ".$table);	" of rows in table ".$table);
&Apache::lonnet::logthis(&Apache::lonmysql::get_error());	&Apache::lonnet::logthis(&Apache::lonmysql::get_error());
&Apache::lonnet::logthis(&Apache::lonmysql::get_debug());
return;
}
if ($total_results == 0) {
$r->print("There were no results matching your query.\n".
"</form></body></html>");
return;	return;
}	}
##	##
## Determine how many results we need to get	## Determine how many results we need to get
##	##
$ENV{'form.show'} = 20;	$ENV{'form.start'} = 1 if (! exists($ENV{'form.start'}));
$ENV{'form.start'} = 0 if (! exists($ENV{'form.start'}));	$ENV{'form.show'} = 'all' if (! exists($ENV{'form.show'}));
$ENV{'form.show'} = 'all' if (! exists($ENV{'form.show'}));
my $min = $ENV{'form.start'};	my $min = $ENV{'form.start'};
my $max;	my $max;
if ($ENV{'form.show'} eq 'all') {	if ($ENV{'form.show'} eq 'all') {
$max = $total_results ;	$max = $total_results ;
} else {	} else {
$max = $min + $ENV{'form.show'};	$max = $min + $ENV{'form.show'} - 1;
$max = $total_results if ($max > $total_results);	$max = $total_results if ($max > $total_results);
}	}
##	##
## Output links (if necessary) for 'prev' and 'next' pages.	## Output links (if necessary) for 'prev' and 'next' pages.
##	##
$r->print("<center>Results $min to $max out of $total_results</center>\n");
$r->print	$r->print
('<center>'.	('<center>'.
&prev_next_buttons($min,$ENV{'form.show'},$total_results,	&prev_next_buttons($min,$ENV{'form.show'},$total_results,
Line 1976 sub display_results {	Line 2188 sub display_results {
"&persistent_db_id=".$ENV{'form.persistent_db_id'})	"&persistent_db_id=".$ENV{'form.persistent_db_id'})
."</center>\n"	."</center>\n"
);	);
	if ($total_results == 0) {
	$r->print("There are currently no results.\n".
	"</form></body></html>");
	return;
	} else {
	$r->print
	("<center>Results $min to $max out of $total_results</center>\n");
	}
##	##
## Get results from MySQL table	## Get results from MySQL table
##	##
my @Results = &Apache::lonmysql::get_rows($table,	my @Results = &Apache::lonmysql::get_rows($table,
'id>'.$min.' AND id<='.$max);	'id>='.$min.' AND id<='.$max);
##	##
## Loop through the results and output them.	## Loop through the results and output them.
##	##
foreach my $row (@Results) {	foreach my $row (@Results) {
	if ($connection->aborted()) {
	untie %groupsearch_db if (tied(%groupsearch_db));
	&Apache::lonmysql::disconnect_from_db();
	return;
	}
my %Fields = %{&parse_row(@$row)};	my %Fields = %{&parse_row(@$row)};
my $output="<p>\n";	my $output="<p>\n";
$output.=&catalogmode_output($Fields{'title'},$Fields{'url'});	my $prefix=&catalogmode_output($Fields{'title'},$Fields{'url'});
# Render the result into html	# Render the result into html
$output.= &$viewfunction(%Fields);	$output.= &$viewfunction($prefix,%Fields);
$output.="</p>\n<hr align='left' width='200' noshade />";
# Print them out as they come in.	# Print them out as they come in.
$r->print($output);	$r->print($output);
$r->rflush();	$r->rflush();
Line 2008 sub display_results {	Line 2232 sub display_results {
."</center>\n"	."</center>\n"
);	);
}	}
$r->print("</body></html>");	$r->print("</form></body></html>");
$r->rflush();	$r->rflush();
untie %groupsearch_db;	untie %groupsearch_db if (tied(%groupsearch_db));
return;	return;
}	}

Line 2030 $ENV{'form.catalogmode'}. Stores data i	Line 2254 $ENV{'form.catalogmode'}. Stores data i
######################################################################	######################################################################
######################################################################	######################################################################
{	{
my $fnum;	my $fnum = 0;

sub catalogmode_output {	sub catalogmode_output {
my $output = '';	my $output = '';
my ($title,$url) = @_;	my ($title,$url) = @_;
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($ENV{'form.catalogmode'} eq 'interactive') {
$title=~ s/\'/\\'/g; # ' Escape single quotes.	$title=~ s/\'/\\\'/g;
if ($ENV{'form.catalogmode'} eq 'interactive') {	if ($ENV{'form.catalogmode'} eq 'interactive') {
$output.=<<END	$output.=<<END
<font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"	<font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"
Line 2044 onClick="javascript:select_data('$title'	Line 2268 onClick="javascript:select_data('$title'
</font>	</font>
END	END
}	}
}	} elsif ($ENV{'form.catalogmode'} eq 'groupsearch') {
if ($ENV{'form.catalogmode'} eq 'groupsearch') {
$fnum+=0;
$groupsearch_db{"pre_${fnum}_link"}=$url;	$groupsearch_db{"pre_${fnum}_link"}=$url;
$groupsearch_db{"pre_${fnum}_title"}=$title;	$groupsearch_db{"pre_${fnum}_title"}=$title;
$output.=<<END;	$output.=<<END;
Line 2257 Checked for existance & 'edit' mode.	Line 2479 Checked for existance & 'edit' mode.
######################################################################	######################################################################
######################################################################	######################################################################
sub search_results_header {	sub search_results_header {
	my ($importbutton,$closebutton) = @_;
my $result = '';	my $result = '';
# output beginning of search page	# output beginning of search page
# conditional output of script functions dependent on the mode in	# conditional output of script functions dependent on the mode in
Line 2268 sub search_results_header {	Line 2491 sub search_results_header {
function select_data(title,url) {	function select_data(title,url) {
changeTitle(title);	changeTitle(title);
changeURL(url);	changeURL(url);
self.close();	parent.close();
}	}
function changeTitle(val) {	function changeTitle(val) {
if (opener.inf.document.forms.resinfo.elements.t) {	if (opener.inf.document.forms.resinfo.elements.t) {
Line 2289 SCRIPT	Line 2512 SCRIPT
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {	function select_data(title,url) {
changeURL(url);	changeURL(url);
self.close();	parent.close();
}	}
function changeTitle(val) {	function changeTitle(val) {
}	}
function changeURL(val) {	function changeURL(val) {
if (window.opener.document) {	if (parent.targetwin.document) {
window.opener.document.forms["$form"].elements["$element"].value=val;	parent.targetwin.document.forms["$form"].elements["$element"].value=val;
} else {	} else {
var url = 'forms[\"$form\"].elements[\"$element\"].value';	var url = 'forms[\"$form\"].elements[\"$element\"].value';
alert("Unable to transfer data to "+url);	alert("Unable to transfer data to "+url);
Line 2307 SCRIPT	Line 2530 SCRIPT
}	}
$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';	$result.=<<SCRIPT if $ENV{'form.catalogmode'} eq 'groupsearch';
<script type="text/javascript">	<script type="text/javascript">
function select_data(title,url) {
// alert('DEBUG: Should be storing '+title+' and '+url);
}
function queue(val) {	function queue(val) {
if (eval("document.forms.results.returnvalues["+val+"].checked")) {	if (document.forms.results.returnvalues[val].checked) {
document.forms.results.acts.value+='1a'+val+'b';	parent.statusframe.document.forms.statusform.elements.Queue.value +='1a'+val+'b';
}	} else {
else {	parent.statusframe.document.forms.statusform.elements.Queue.value +='0a'+val+'b';
document.forms.results.acts.value+='0a'+val+'b';	}
}
}	}
function select_group() {	function select_group() {
window.location=	parent.window.location=
"/adm/groupsort?mode=$ENV{'form.mode'}&catalogmode=groupsearch&acts="+	"/adm/groupsort?mode=$ENV{'form.mode'}&catalogmode=groupsearch&acts="+
document.forms.results.acts.value;	parent.statusframe.document.forms.statusform.elements.Queue.value;
}	}
</script>	</script>
SCRIPT	SCRIPT
$result.=<<END;	$result.=<<END;
</head>	</head>
	<form name="results" method="post" action="" >
	<input type="hidden" name="Queue" value="" />
	$importbutton
END	END
return $result;	return $result;
}	}
Line 2342 Sending search request to LON-CAPA serve	Line 2564 Sending search request to LON-CAPA serve
ENDSTATUS	ENDSTATUS
}	}

	sub results_link {
	my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.
	"&persistent_db_id=".$ENV{'form.persistent_db_id'};
	my $results_link = $basic_link."&phase=results".
	"&pause=1"."&start=1";
	return $results_link;
	}

######################################################################	######################################################################
######################################################################	######################################################################
sub print_frames_interface {	sub print_frames_interface {
Line 2349 sub print_frames_interface {	Line 2579 sub print_frames_interface {
my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.	my $basic_link = "/adm/searchcat?"."&table=".$ENV{'form.table'}.
"&persistent_db_id=".$ENV{'form.persistent_db_id'};	"&persistent_db_id=".$ENV{'form.persistent_db_id'};
my $run_search_link = $basic_link."&phase=run_search";	my $run_search_link = $basic_link."&phase=run_search";
my $results_link = $basic_link."&phase=results".	my $results_link = &results_link();
"&pause=10"."&start=0"."&show=20";
my $result = <<"ENDFRAMES";	my $result = <<"ENDFRAMES";
<html>	<html>
<head>	<head>
	<script>
	var targetwin = opener;
	</script>
<title>LON-CAPA Digital Library Search Results</title>	<title>LON-CAPA Digital Library Search Results</title>
</head>	</head>
<frameset rows="150,*">	<frameset rows="150,*">
Line 2389 extra custom metadata to show.	Line 2621 extra custom metadata to show.
######################################################################	######################################################################
######################################################################	######################################################################
sub detailed_citation_view {	sub detailed_citation_view {
my %values = @_;	my ($prefix,%values) = @_;
my $result=<<END;	my $result=<<END;
<h3><a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<b>$prefix<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'title'}</a></h3>	target='search_preview'>$values{'title'}</a></b>
<p>	<p>
<b>$values{'author'}</b>, <i>$values{'owner'}</i><br />	<b>$values{'author'}</b>, <i>$values{'owner'}</i><br />

Line 2407 $values{'extrashow'}	Line 2639 $values{'extrashow'}
<p>	<p>
$values{'shortabstract'}	$values{'shortabstract'}
</p>	</p>
	<hr align='left' width='200' noshade />
END	END
return $result;	return $result;
}	}
Line 2422 END	Line 2655 END
######################################################################	######################################################################
######################################################################	######################################################################
sub summary_view {	sub summary_view {
my %values = @_;	my ($prefix,%values) = @_;
my $result=<<END;	my $result=<<END;
<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	$prefix<a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'author'}</a><br />	target='search_preview'>$values{'author'}</a><br />
$values{'title'}<br />	$values{'title'}<br />
$values{'owner'} -- $values{'lastrevisiondate'}<br />	$values{'owner'} -- $values{'lastrevisiondate'}<br />
$values{'copyrighttag'}<br />	$values{'copyrighttag'}<br />
$values{'extrashow'}	$values{'extrashow'}
</p>	</p>
	<hr align='left' width='200' noshade />
	END
	return $result;
	}

	######################################################################
	######################################################################

	=pod

	=item &compact_view()

	=cut

	######################################################################
	######################################################################
	sub compact_view {
	my ($prefix,%values) = @_;
	my $result=<<END;
	$prefix <a href="http://$ENV{'HTTP_HOST'}$values{'url'}" target='search_preview'>
	$values{'title'}</a>
	<b>$values{'author'}</b><br />
END	END
return $result;	return $result;
}	}


######################################################################	######################################################################
######################################################################	######################################################################

Line 2447 END	Line 2703 END
######################################################################	######################################################################
######################################################################	######################################################################
sub fielded_format_view {	sub fielded_format_view {
my %values = @_;	my ($prefix,%values) = @_;
my $result=<<END;	my $result=<<END;
	$prefix
<b>URL: </b> <a href="http://$ENV{'HTTP_HOST'}$values{'url'}"	<b>URL: </b> <a href="http://$ENV{'HTTP_HOST'}$values{'url'}"
target='search_preview'>$values{'url'}</a>	target='search_preview'>$values{'url'}</a>
<br />	<br />
Line 2467 sub fielded_format_view {	Line 2724 sub fielded_format_view {
<b>Abstract:</b> $values{'shortabstract'}<br />	<b>Abstract:</b> $values{'shortabstract'}<br />
$values{'extrashow'}	$values{'extrashow'}
</p>	</p>
	<hr align='left' width='200' noshade />
END	END
return $result;	return $result;
}	}
Line 2485 END	Line 2743 END
######################################################################	######################################################################
######################################################################	######################################################################
sub xml_sgml_view {	sub xml_sgml_view {
my %values = @_;	my ($prefix,%values) = @_;
my $result=<<END;	my $result=<<END;
	$prefix
<pre>	<pre>
<LonCapaResource>	<LonCapaResource>
<url>$values{'url'}</url>	<url>$values{'url'}</url>
Line 2515 sub xml_sgml_view {	Line 2774 sub xml_sgml_view {
</LonCapaResource>	</LonCapaResource>
</pre>	</pre>
$values{'extrashow'}	$values{'extrashow'}
	<hr align='left' width='200' noshade />
END	END
return $result;	return $result;
}	}
Line 2547 sub filled {	Line 2807 sub filled {

=item &output_blank_field_error()	=item &output_blank_field_error()

	Output a complete page that indicates the user has not filled in enough
	information to do a search.

	Inputs: $r (Apache request handle), $closebutton, $parms.

	Returns: nothing

	$parms is extra information to include in the 'Revise search request' link.

=cut	=cut

######################################################################	######################################################################
######################################################################	######################################################################
sub output_blank_field_error {	sub output_blank_field_error {
my ($r,$closebutton)=@_;	my ($r,$closebutton,$parms)=@_;
# make query information persistent to allow for subsequent revision	# make query information persistent to allow for subsequent revision
$r->print(<<BEGINNING);	$r->print(<<BEGINNING);
<html>	<html>
Line 2566 BEGINNING	Line 2835 BEGINNING
<h1>Search Catalog</h1>	<h1>Search Catalog</h1>
<form method="post" action="/adm/searchcat">	<form method="post" action="/adm/searchcat">
$hidden_fields	$hidden_fields
<a href="/adm/searchcat?persistent_db_id=$ENV{'form.persistent_db_id'}"	<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}"
>Revise search request</a>	>Revise search request</a>
$closebutton	$closebutton
<hr />	<hr />
<h3>Helpful Message</h3>	<h3>Unactionable search query.</h3>
<p>	<p>
Incorrect search query due to blank entry fields.	You did not fill in enough information for the search to be started.
You need to fill in the relevant	You need to fill in relevant fields on the search page in order
fields on the search page in order for a query to be	for a query to be processed.
processed.
</p>	</p>
</body>	</body>
</html>	</html>
Line 2618 $hidden_fields	Line 2886 $hidden_fields
onClick='this.form.submit();' />	onClick='this.form.submit();' />
$closebutton	$closebutton
<hr />	<hr />
<h3>Helpful Message</h3>	<h3>Error</h3>
<p>	<p>
$message	$message
</p>	</p>

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.149
changed lines
	Added in v.1.151