version 1.226, 2004/05/10 13:06:29
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version 1.230.2.1, 2005/01/19 20:22:36
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Line 75 use Apache::lonhtmlcommon;
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Line 75 use Apache::lonhtmlcommon;
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use Apache::lonlocal; |
use Apache::lonlocal; |
use LONCAPA::lonmetadata(); |
use LONCAPA::lonmetadata(); |
use HTML::Entities(); |
use HTML::Entities(); |
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use Parse::RecDescent; |
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
Line 174 sub handler {
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Line 175 sub handler {
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'&launch='.$ENV{'form.launch'}. |
'&launch='.$ENV{'form.launch'}. |
'&mode='.$ENV{'form.mode'}, |
'&mode='.$ENV{'form.mode'}, |
text=>"Course and Catalog Search", |
text=>"Course and Catalog Search", |
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target=>'_top', |
bug=>'Searching',}); |
bug=>'Searching',}); |
} else { |
} else { |
&Apache::lonhtmlcommon::add_breadcrumb |
&Apache::lonhtmlcommon::add_breadcrumb |
Line 182 sub handler {
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Line 184 sub handler {
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'&launch='.$ENV{'form.launch'}. |
'&launch='.$ENV{'form.launch'}. |
'&mode='.$ENV{'form.mode'}, |
'&mode='.$ENV{'form.mode'}, |
text=>"Catalog Search", |
text=>"Catalog Search", |
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target=>'_top', |
bug=>'Searching',}); |
bug=>'Searching',}); |
} |
} |
# |
# |
Line 335 END
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Line 338 END
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&course_search($r); |
&course_search($r); |
} 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')) { |
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# |
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# We are running a search, try to parse it |
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my ($query,$customquery,$customshow,$libraries) = |
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(undef,undef,undef,undef); |
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my $pretty_string; |
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if ($ENV{'form.phase'} eq 'basic_search') { |
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($query,$pretty_string,$libraries) = |
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&parse_basic_search($r,$closebutton,$hidden_fields); |
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return OK if (! defined($query)); |
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&make_persistent({ basicexp => $ENV{'form.basicexp'}}, |
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$persistent_db_file); |
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} else { # Advanced search |
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($query,$customquery,$customshow,$libraries,$pretty_string) |
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= &parse_advanced_search($r,$closebutton,$hidden_fields); |
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return OK if (! defined($query)); |
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} |
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&make_persistent({ query => $query, |
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customquery => $customquery, |
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customshow => $customshow, |
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libraries => $libraries, |
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pretty_string => $pretty_string }, |
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$persistent_db_file); |
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# |
# Set up table |
# Set up table |
if (! defined(&create_results_table())) { |
if (! defined(&create_results_table())) { |
my $errorstring=&Apache::lonmysql::get_error(); |
my $errorstring=&Apache::lonmysql::get_error(); |
Line 362 Unable to properly store search informat
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Line 388 Unable to properly store search informat
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END |
END |
return OK; |
return OK; |
} |
} |
# |
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# We are running a search |
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my ($query,$customquery,$customshow,$libraries) = |
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(undef,undef,undef,undef); |
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my $pretty_string; |
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if ($ENV{'form.phase'} eq 'basic_search') { |
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($query,$pretty_string,$libraries) = |
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&parse_basic_search($r,$closebutton,$hidden_fields); |
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} else { # Advanced search |
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($query,$customquery,$customshow,$libraries,$pretty_string) |
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= &parse_advanced_search($r,$closebutton,$hidden_fields); |
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return OK if (! defined($query)); |
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} |
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&make_persistent({ query => $query, |
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customquery => $customquery, |
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customshow => $customshow, |
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libraries => $libraries, |
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pretty_string => $pretty_string }, |
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$persistent_db_file); |
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## |
## |
## Print out the frames interface |
## Print out the frames interface |
## |
## |
&print_frames_interface($r); |
if (defined($query)) { |
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&print_frames_interface($r); |
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} |
} |
} |
return OK; |
return OK; |
} |
} |
Line 435 sub hidden_field {
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Line 444 sub hidden_field {
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{ # Scope the course search to avoid global variables |
{ # Scope the course search to avoid global variables |
# |
# |
# Variables For course search |
# Variables For course search |
my %alreadyseen; |
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my %hash; |
my %hash; |
my $totalfound; |
my $totalfound; |
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sub make_symb { |
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my ($id)=@_; |
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my ($mapid,$resid)=split(/\./,$id); |
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my $map=$hash{'map_id_'.$mapid}; |
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my $res=$hash{'src_'.$id}; |
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my $symb=&Apache::lonnet::encode_symb($map,$resid,$res); |
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return $symb; |
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} |
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sub course_search { |
sub course_search { |
my $r=shift; |
my $r=shift; |
my $bodytag=&Apache::loncommon::bodytag('Course Search'); |
my $bodytag=&Apache::loncommon::bodytag('Course Search'); |
Line 460 sub course_search {
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Line 477 sub course_search {
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$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr />'); |
$bodytag.'<hr /><center><font size="+2" face="arial">'.$pretty_search_string.'</font></center><hr />'); |
$r->rflush(); |
$r->rflush(); |
# ======================================================= Go through the course |
# ======================================================= Go through the course |
undef %alreadyseen; |
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%alreadyseen=(); |
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my $c=$r->connection; |
my $c=$r->connection; |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.".db", |
&GDBM_READER(),0640)) { |
&GDBM_READER(),0640)) { |
foreach (keys %hash) { |
foreach (sort(keys(%hash))) { |
if ($c->aborted()) { last; } |
if ($c->aborted()) { last; } |
if (($_=~/^src\_(.+)$/) && (!$alreadyseen{$hash{$_}})) { |
if (($_=~/^src\_(.+)$/)) { |
&checkonthis($r,$hash{$_},0,$hash{'title_'.$1},$fulltext, |
if ($hash{'randomout_'.$1} & !$ENV{'request.role.adv'}) { |
@allwords); |
next; |
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} |
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my $symb=&make_symb($1); |
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&checkonthis($r,$1,$hash{$_},0,&Apache::lonnet::gettitle($symb), |
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$fulltext,$symb,@allwords); |
} |
} |
} |
} |
untie(%hash); |
untie(%hash); |
Line 484 sub course_search {
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Line 503 sub course_search {
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# =============================== This pulls up a resource and its dependencies |
# =============================== This pulls up a resource and its dependencies |
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sub checkonthis { |
sub checkonthis { |
my ($r,$url,$level,$title,$fulltext,@allwords)=@_; |
my ($r,$id,$url,$level,$title,$fulltext,$symb,@allwords)=@_; |
$alreadyseen{$url}=1; |
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$r->rflush(); |
$r->rflush(); |
my $result=&Apache::lonnet::metadata($url,'title').' '. |
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&Apache::lonnet::metadata($url,'subject').' '. |
my $result=$title.' '; |
&Apache::lonnet::metadata($url,'abstract').' '. |
if ($ENV{'request.role.adv'} || !$hash{'encrypted_'.$id}) { |
&Apache::lonnet::metadata($url,'keywords'); |
$result.=&Apache::lonnet::metadata($url,'title').' '. |
if (($url) && ($fulltext)) { |
&Apache::lonnet::metadata($url,'subject').' '. |
$result.=&Apache::lonnet::ssi_body($url); |
&Apache::lonnet::metadata($url,'abstract').' '. |
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&Apache::lonnet::metadata($url,'keywords'); |
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} |
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my ($extension)=($url=~/\.(\w+)$/); |
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if (&Apache::loncommon::fileembstyle($extension) eq 'ssi' && |
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($url) && ($fulltext)) { |
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$result.=&Apache::lonnet::ssi_body($url.'?symb='.&Apache::lonnet::escape($symb)); |
} |
} |
$result=~s/\s+/ /gs; |
$result=~s/\s+/ /gs; |
my $applies=0; |
my $applies=0; |
Line 509 sub checkonthis {
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Line 533 sub checkonthis {
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for (my $i=0;$i<=$level*5;$i++) { |
for (my $i=0;$i<=$level*5;$i++) { |
$r->print(' '); |
$r->print(' '); |
} |
} |
$r->print('<a href="'.$url.'" target="cat">'. |
my $href=$url; |
($title?$title:$url).'</a><br />'); |
if ($hash{'encrypted_'.$id} && !$ENV{'request.role.adv'}) { |
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$href=&Apache::lonenc::encrypted($href) |
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.'?symb='.&Apache::lonenc::encrypted($symb); |
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} else { |
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$href.='?symb='.&Apache::lonnet::escape($symb); |
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} |
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$r->print('<a href="'.$href.'" target="cat">'.($title?$title:$url). |
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'</a><br />'); |
$totalfound++; |
$totalfound++; |
} elsif ($fulltext) { |
} elsif ($fulltext) { |
$r->print(' .'); |
$r->print(' .'); |
Line 520 sub checkonthis {
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Line 551 sub checkonthis {
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my $dependencies= |
my $dependencies= |
&Apache::lonnet::metadata($url,'dependencies'); |
&Apache::lonnet::metadata($url,'dependencies'); |
foreach (split(/\,/,$dependencies)) { |
foreach (split(/\,/,$dependencies)) { |
if (($_=~/^\/res\//) && (!$alreadyseen{$_})) { |
if (($_=~/^\/res\//)) { |
&checkonthis($r,$_,$level+1,'',$fulltext,@allwords); |
&checkonthis($r,$id,$_,$level+1,'',$fulltext,undef,@allwords); |
} |
} |
} |
} |
} |
} |
Line 559 Prints the form for the basic search. S
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Line 590 Prints the form for the basic search. S
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###################################################################### |
###################################################################### |
sub print_basic_search_form { |
sub print_basic_search_form { |
my ($r,$closebutton,$hidden_fields) = @_; |
my ($r,$closebutton,$hidden_fields) = @_; |
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my $result = ($ENV{'form.catalogmode'} ne 'groupsearch'); |
my $bodytag=&Apache::loncommon::bodytag('Search'). |
my $bodytag=&Apache::loncommon::bodytag('Search'). |
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Searching', |
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Search_Basic', |
undef,undef,! $ENV{'form.launch'}); |
undef,undef, |
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$ENV{'form.catalogmode'} ne 'groupsearch'); |
my $scrout = &search_html_header().$bodytag; |
my $scrout = &search_html_header().$bodytag; |
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { |
if (&Apache::lonnet::allowed('bre',$ENV{'request.role.domain'})) { |
# Define interface components |
# Define interface components |
Line 599 sub print_basic_search_form {
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Line 632 sub print_basic_search_form {
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} |
} |
$scrout.='<table>'. |
$scrout.='<table>'. |
'<tr><td align="center" valign="top">'. |
'<tr><td align="center" valign="top">'. |
&Apache::lonhtmlcommon::textbox('basicexp', |
&Apache::lonhtmlcommon::textbox |
$ENV{'form.basicexp'},50).'<br />'. |
('basicexp', |
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&HTML::Entities::encode($ENV{'form.basicexp'},'<>&"'),50 |
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). |
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'<br />'. |
'<font size="-1">'.&searchhelp().'</font>'.'</td>'. |
'<font size="-1">'.&searchhelp().'</font>'.'</td>'. |
'<td><font size="-1">'. |
'<td><font size="-1">'. |
'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'. |
'<nobr>'.(' 'x3).$adv_search_link.'</nobr>'.'<br />'. |
Line 609 sub print_basic_search_form {
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Line 645 sub print_basic_search_form {
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'</font></td>'. |
'</font></td>'. |
'</tr>'.$/; |
'</tr>'.$/; |
# |
# |
# $scrout .= '<tr><td align="center">'. |
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# '<font size="-1">'. |
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# $userelatedwords.(' 'x3). |
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# $onlysearchdomain.(' 'x2).$adv_search_link. |
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# '</font>'. |
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# '</td></tr>'.$/; |
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$scrout .= '<tr><td align="center" colspan="2">'. |
$scrout .= '<tr><td align="center" colspan="2">'. |
'<font size="-1">'. |
'<font size="-1">'. |
'<input type="submit" name="basicsubmit" '. |
'<input type="submit" name="basicsubmit" '. |
Line 690 sub print_advanced_search_form{
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Line 720 sub print_advanced_search_form{
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my ($r,$closebutton,$hidden_fields) = @_; |
my ($r,$closebutton,$hidden_fields) = @_; |
my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search'). |
my $bodytag=&Apache::loncommon::bodytag('Advanced Catalog Search'). |
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching', |
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching', |
'Searching', |
'Search_Advanced', |
undef,undef, |
undef,undef, |
! $ENV{'form.launch'}); |
$ENV{'form.catalogmode'} ne 'groupsearch'); |
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my %lt=&Apache::lonlocal::texthash('srch' => 'Search', |
my %lt=&Apache::lonlocal::texthash('srch' => 'Search', |
'reset' => 'Reset', |
'reset' => 'Reset', |
'help' => 'Help'); |
'help' => 'Help'); |
Line 774 ENDHEADER
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Line 803 ENDHEADER
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$scrout.='<tr><td align="right" valign="top">'. |
$scrout.='<tr><td align="right" valign="top">'. |
&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'. |
&titlefield(&mt('Copyright/Distribution')).'</td><td colspan="2">'. |
&Apache::lonmeta::selectbox('copyright', |
&Apache::lonmeta::selectbox('copyright', |
'',, |
$ENV{'form.copyright'}, |
\&Apache::loncommon::copyrightdescription, |
\&Apache::loncommon::copyrightdescription, |
( undef, |
( undef, |
&Apache::loncommon::copyrightids) |
&Apache::loncommon::copyrightids) |
Line 782 ENDHEADER
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Line 811 ENDHEADER
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$scrout.='<tr><td align="right" valign="top">'. |
$scrout.='<tr><td align="right" valign="top">'. |
&titlefield(&mt('Language')).'</td><td colspan="2">'. |
&titlefield(&mt('Language')).'</td><td colspan="2">'. |
&Apache::lonmeta::selectbox('language', |
&Apache::lonmeta::selectbox('language', |
'notset',, |
$ENV{'form.language'}, |
\&Apache::loncommon::languagedescription, |
\&Apache::loncommon::languagedescription, |
('any',&Apache::loncommon::languageids) |
('any',&Apache::loncommon::languageids) |
).'</td></tr>'; |
).'</td></tr>'; |
Line 997 Outputs: return little blurb on how to e
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Line 1026 Outputs: return little blurb on how to e
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
sub searchhelp { |
sub searchhelp { |
return &mt('Enter terms or phrases separated by AND, OR, or NOT'); |
return &mt('Enter words and quoted phrases'); |
} |
} |
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###################################################################### |
###################################################################### |
Line 1188 Parse advanced search form and return th
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Line 1217 Parse advanced search form and return th
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sub parse_advanced_search { |
sub parse_advanced_search { |
my ($r,$closebutton,$hidden_fields)=@_; |
my ($r,$closebutton,$hidden_fields)=@_; |
my @BasicFields = ('title','author','subject','keywords','url','version', |
my @BasicFields = ('title','author','subject','keywords','url','version', |
'notes','abstract','extension','owner', |
'notes','abstract','extension','owner','authorspace', |
# 'custommetadata','customshow', |
# 'custommetadata','customshow', |
'modifyinguser','standards','mime'); |
'modifyinguser','standards','mime'); |
my @StatsFields = &statfields(); |
my @StatsFields = &statfields(); |
my @EvalFields = &evalfields(); |
my @EvalFields = &evalfields(); |
my $fillflag=0; |
my $fillflag=0; |
my $pretty_search_string = "<br />\n"; |
my $pretty_search_string = ""; |
# Clean up fields for safety |
# Clean up fields for safety |
for my $field (@BasicFields, |
for my $field (@BasicFields, |
'creationdatestart_month','creationdatestart_day', |
'creationdatestart_month','creationdatestart_day', |
Line 1204 sub parse_advanced_search {
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Line 1233 sub parse_advanced_search {
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'lastrevisiondatestart_year','lastrevisiondateend_month', |
'lastrevisiondatestart_year','lastrevisiondateend_month', |
'lastrevisiondateend_day','lastrevisiondateend_year') { |
'lastrevisiondateend_day','lastrevisiondateend_year') { |
$ENV{'form.'.$field}=~s/[^\w\/\s\(\)\=\-\"\']//g; |
$ENV{'form.'.$field}=~s/[^\w\/\s\(\)\=\-\"\']//g; |
$ENV{'form.'.$field}=~s/(not\s*$|^\s*(and|or)|)//gi; |
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} |
} |
foreach ('mode','form','element') { |
foreach ('mode','form','element') { |
# is this required? Hmmm. |
# is this required? Hmmm. |
Line 1249 sub parse_advanced_search {
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Line 1277 sub parse_advanced_search {
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# Evaluate logical expression AND/OR/NOT phrase fields. |
# Evaluate logical expression AND/OR/NOT phrase fields. |
foreach my $field (@BasicFields) { |
foreach my $field (@BasicFields) { |
next if (!defined($ENV{'form.'.$field}) || $ENV{'form.'.$field} eq ''); |
next if (!defined($ENV{'form.'.$field}) || $ENV{'form.'.$field} eq ''); |
foreach my $searchphrase(&process_phrase_input($ENV{'form.'.$field})){ |
my ($error,$SQLQuery) = |
$pretty_search_string .= $font."$field</font> contains <b>". |
&process_phrase_input($ENV{'form.'.$field}, |
$searchphrase."</b>"; |
$ENV{'form.'.$field.'_related'},$field); |
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if (defined($error)) { |
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&output_unparsed_phrase_error($r,$closebutton,'phase=disp_adv', |
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$hidden_fields,$field); |
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return; |
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} else { |
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$pretty_search_string .= |
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$font.$field.'</font>: '.$ENV{'form.'.$field}; |
if ($ENV{'form.'.$field.'_related'}) { |
if ($ENV{'form.'.$field.'_related'}) { |
my @New_Words; |
my @Words = |
($searchphrase,@New_Words) = &related_version($searchphrase); |
&Apache::loncommon::get_related_words |
if (@New_Words) { |
($ENV{'form.'.$field}); |
$pretty_search_string .= " with related words: ". |
if (@Words) { |
"<b>@New_Words</b>."; |
$pretty_search_string.= ' with related words: '. |
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join(', ',@Words[0..4]); |
} else { |
} else { |
$pretty_search_string .= " with no related words."; |
$pretty_search_string.= ' with related words.'; |
} |
} |
} |
} |
$pretty_search_string .= "<br />\n"; |
$pretty_search_string .= '<br />'; |
push @queries,&build_SQL_query($field,$searchphrase); |
push (@queries,$SQLQuery); |
} |
} |
} |
} |
# |
# |
Line 1280 sub parse_advanced_search {
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Line 1316 sub parse_advanced_search {
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} |
} |
} |
} |
if (defined($searchphrase)) { |
if (defined($searchphrase)) { |
push @queries,&build_SQL_query('mime',$searchphrase); |
my ($error,$SQLsearch) = &process_phrase_input($searchphrase,0,'mime'); |
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push @queries,$SQLsearch; |
$pretty_search_string .=$font.'mime</font> contains <b>'. |
$pretty_search_string .=$font.'mime</font> contains <b>'. |
$searchphrase.'</b><br />'; |
$searchphrase.'</b><br />'; |
} |
} |
Line 1312 sub parse_advanced_search {
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Line 1349 sub parse_advanced_search {
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push @queries,"(copyright like \"$ENV{'form.copyright'}\")"; |
push @queries,"(copyright like \"$ENV{'form.copyright'}\")"; |
$pretty_search_string.=$font."copyright</font> = ". |
$pretty_search_string.=$font."copyright</font> = ". |
&Apache::loncommon::copyrightdescription($ENV{'form.copyright'}). |
&Apache::loncommon::copyrightdescription($ENV{'form.copyright'}). |
"<br \>\n"; |
"<br />\n"; |
} |
} |
# |
# |
# Statistics |
# Statistics |
Line 1400 sub parse_advanced_search {
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Line 1437 sub parse_advanced_search {
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$pretty_search_string .= $pretty_domains_string."<br />\n"; |
$pretty_search_string .= $pretty_domains_string."<br />\n"; |
# |
# |
if (@queries) { |
if (@queries) { |
$query="SELECT * FROM metadata WHERE ".join(" AND ",@queries); |
$query="SELECT * FROM metadata WHERE (".join(") AND (",@queries).')'; |
} elsif ($customquery) { |
} elsif ($customquery) { |
$query = ''; |
$query = ''; |
} |
} |
# &Apache::lonnet::logthis('query = '.$/.$query); |
# &Apache::lonnet::logthis('query = '.$/.$query); |
return ($query,$customquery,$customshow,$libraries_to_query, |
return ($query,$customquery,$customshow,$libraries_to_query, |
$pretty_search_string); |
$pretty_search_string); |
} |
} |
Line 1466 sub parse_basic_search {
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Line 1503 sub parse_basic_search {
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# |
# |
# Clean up fields for safety |
# Clean up fields for safety |
for my $field ('basicexp') { |
for my $field ('basicexp') { |
$ENV{"form.$field"}=~s/[^\w\s\(\)\-]//g; |
$ENV{"form.$field"}=~s/[^\w\s\'\"\!\(\)\-]//g; |
} |
} |
foreach ('mode','form','element') { |
foreach ('mode','form','element') { |
# is this required? Hmmm. |
# is this required? Hmmm. |
Line 1479 sub parse_basic_search {
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Line 1516 sub parse_basic_search {
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# |
# |
# Check to see if enough of a query is filled in |
# Check to see if enough of a query is filled in |
my $search_string = $ENV{'form.basicexp'}; |
my $search_string = $ENV{'form.basicexp'}; |
$search_string =~ s/(not\s*$|^\s*(and|or)|)//gi; |
|
if (! &filled($search_string)) { |
if (! &filled($search_string)) { |
&output_blank_field_error($r,$closebutton,'phase=disp_basic'); |
&output_blank_field_error($r,$closebutton,'phase=disp_basic'); |
return OK; |
return OK; |
} |
} |
my $pretty_search_string=''; |
my $pretty_search_string=$search_string; |
my @Queries; |
my @Queries; |
my $concatarg=join(',', |
my $searchfield = 'concat_ws(" ",'.join(',', |
('title', 'author', 'subject', 'notes', 'abstract', |
('title','author','subject', |
'keywords')); |
'notes','abstract','keywords') |
foreach my $search (&process_phrase_input($search_string)){ |
).')'; |
if ($ENV{'form.related'}) { |
my ($error,$SQLQuery) = &process_phrase_input($search_string, |
$pretty_search_string .= ' and <br />' if ($pretty_search_string ne ''); |
$ENV{'form.related'}, |
$pretty_search_string .= '<b>'.$search.'</b>'; |
$searchfield); |
my @New_Words; |
if ($error) { |
($search,@New_Words) = &related_version($search); |
&output_unparsed_phrase_error($r,$closebutton,'phase=disp_basic', |
next if (! $search); |
'','basicexp'); |
if (@New_Words) { |
return; |
$pretty_search_string .= |
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" with related words: <b>@New_Words</b>"; |
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} |
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} else { |
|
$pretty_search_string .= ' and ' if ($pretty_search_string ne ''); |
|
$pretty_search_string .= '<b>'.$search.'</b>'; |
|
} |
|
# |
|
# Build SQL query string based on form page |
|
push(@Queries, |
|
&build_SQL_query('concat_ws(" ",'.$concatarg.')',$search)); |
|
} |
} |
|
push(@Queries,$SQLQuery); |
|
#foreach my $q (@Queries) { |
|
# &Apache::lonnet::logthis(' '.$q); |
|
#} |
my $final_query = 'SELECT * FROM metadata WHERE '.join(" AND ",@Queries); |
my $final_query = 'SELECT * FROM metadata WHERE '.join(" AND ",@Queries); |
# |
# |
if (defined($pretty_domains_string) && $pretty_domains_string ne '') { |
if (defined($pretty_domains_string) && $pretty_domains_string ne '') { |
Line 1516 sub parse_basic_search {
|
Line 1545 sub parse_basic_search {
|
} |
} |
$pretty_search_string .= "<br />\n"; |
$pretty_search_string .= "<br />\n"; |
$pretty_search_string =~ s:^<br /> and ::; |
$pretty_search_string =~ s:^<br /> and ::; |
# &Apache::lonnet::logthis($final_query); |
# &Apache::lonnet::logthis($final_query); |
return ($final_query,$pretty_search_string, |
return ($final_query,$pretty_search_string, |
$libraries_to_query); |
$libraries_to_query); |
} |
} |
|
|
|
|
|
############################################################### |
|
############################################################### |
|
|
|
my @Phrases; |
|
|
|
sub concat { |
|
my ($item) = @_; |
|
my $results = ''; |
|
foreach (@$item) { |
|
if (ref($_) eq 'ARRAY') { |
|
$results .= join(' ',@$_); |
|
} |
|
} |
|
return $results; |
|
} |
|
|
sub process_phrase_input { |
sub process_phrase_input { |
my ($phrase)=@_; |
my ($phrase,$related,$field)=@_; |
my @Phrases; |
#&Apache::lonnet::logthis('phrase = :'.$phrase.':'); |
# &Apache::lonnet::logthis('phrase = :'.$phrase.':'); |
my $grammar = <<'ENDGRAMMAR'; |
my $in_quotes = 0; |
searchphrase: |
my @Words = split(/\s+/,$phrase); |
expression /^\Z/ { |
foreach my $word (@Words) { |
# &Apache::lonsearchcat::print_item(\@item,0); |
$word =~ s/(\w+)\"(\w+)/$1$2/g; |
[@item]; |
if ($in_quotes) { |
} |
if ($word =~ s/(\")$//) { |
expression: |
$in_quotes = 0; |
phrase(s) { |
|
[@item]; |
|
} |
|
phrase: |
|
orword { |
|
[@item]; |
|
} |
|
| andword { |
|
[@item]; |
|
} |
|
| minusword { |
|
unshift(@::Phrases,$item[1]->[0]); |
|
unshift(@::Phrases,$item[1]->[1]); |
|
[@item]; |
|
} |
|
| word { |
|
unshift(@::Phrases,$item[1]); |
|
[@item]; |
|
} |
|
# |
|
orword: |
|
word 'OR' phrase { |
|
unshift(@::Phrases,'OR'); |
|
unshift(@::Phrases,$item[1]); |
|
[@item]; |
|
} |
|
| word 'or' phrase { |
|
unshift(@::Phrases,'OR'); |
|
unshift(@::Phrases,$item[1]); |
|
[@item]; |
|
} |
|
| minusword 'OR' phrase { |
|
unshift(@::Phrases,'OR'); |
|
unshift(@::Phrases,$item[1]->[0]); |
|
unshift(@::Phrases,$item[1]->[1]); |
|
[@item]; |
|
} |
|
| minusword 'or' phrase { |
|
unshift(@::Phrases,'OR'); |
|
unshift(@::Phrases,$item[1]->[0]); |
|
unshift(@::Phrases,$item[1]->[1]); |
|
[@item]; |
|
} |
|
andword: |
|
word phrase { |
|
unshift(@::Phrases,'AND'); |
|
unshift(@::Phrases,$item[1]); |
|
[@item]; |
|
} |
|
| minusword phrase { |
|
unshift(@::Phrases,'AND'); |
|
unshift(@::Phrases,$item[1]->[0]); |
|
unshift(@::Phrases,$item[1]->[1]); |
|
[@item]; |
|
} |
|
# |
|
minusword: |
|
'-' word { |
|
[$item[2],'NOT']; |
|
} |
|
word: |
|
"'" term(s) "'" { |
|
&Apache::lonsearchcat::concat(\@item); |
|
} |
|
| '"' term(s) '"' { |
|
&Apache::lonsearchcat::concat(\@item); |
|
} |
|
| term { |
|
$item[1]; |
|
} |
|
term: |
|
/[\w\Q:!@#$%^&*()+_=|{}<>,.;\\\/?\E]+/ { |
|
$item[1]; |
|
} |
|
ENDGRAMMAR |
|
# |
|
# The end result of parsing the phrase with the grammar is an array |
|
# @::Phrases. |
|
# $phrase = "gene splicing" or cat -> "gene splicing","OR","cat" |
|
# $phrase = "genetic engineering" -dna -> |
|
# "genetic engineering","AND","NOT","dna" |
|
# $phrase = cat or dog -poodle -> "cat","OR","dog","AND","NOT","poodle" |
|
undef(@::Phrases); |
|
my $p = new Parse::RecDescent($grammar); |
|
if (! defined($p->searchphrase($phrase))) { |
|
&Apache::lonnet::logthis('lonsearchcat:unable to process:'.$phrase); |
|
return 'Unable to process phrase '.$phrase; |
|
} |
|
# |
|
# Go through the phrases and make sense of them. |
|
# Apply modifiers NOT OR and AND to the phrases. |
|
my @NewPhrases; |
|
while(@::Phrases) { |
|
my $phrase = shift(@::Phrases); |
|
# &Apache::lonnet::logthis('phrase = '.$phrase); |
|
my $phrasedata; |
|
if ($phrase =~ /^(NOT|OR|AND)$/) { |
|
if ($phrase eq 'OR') { |
|
$phrasedata->{'or'}++; |
|
if (! @::Phrases) { $phrasedata = undef; last; } |
|
$phrase = shift(@::Phrases); |
|
} elsif ($phrase eq 'AND') { |
|
$phrasedata->{'and'}++; |
|
if (! @::Phrases) { $phrasedata = undef; last; } |
|
$phrase = shift(@::Phrases); |
} |
} |
if ($Phrases[-1] ne '') { |
if ($phrase eq 'NOT') { |
$Phrases[-1] .= ' '; |
$phrasedata->{'negate'}++; |
|
if (! @::Phrases) { $phrasedata = undef; last; } |
|
$phrase = shift(@::Phrases); |
} |
} |
$Phrases[-1] .= $word; |
} |
|
$phrasedata->{'phrase'} = $phrase; |
|
if ($related) { |
|
my @NewWords; |
|
(undef,@NewWords) = &related_version($phrasedata->{'phrase'}); |
|
$phrasedata->{'related_words'} = \@NewWords; |
|
} |
|
push(@NewPhrases,$phrasedata); |
|
} |
|
# |
|
# Actually build the sql query from the phrases |
|
my $SQLQuery; |
|
foreach my $phrase (@NewPhrases) { |
|
my $query; |
|
if ($phrase->{'negate'}) { |
|
$query .= $field.' NOT LIKE "%'.$phrase->{'phrase'}.'%"'; |
} else { |
} else { |
if ($word =~ s/^(\")//) { |
$query .= $field.' LIKE "%'.$phrase->{'phrase'}.'%"'; |
$in_quotes=1; |
} |
|
foreach my $related (@{$phrase->{'related_words'}}) { |
|
if ($phrase->{'negate'}) { |
|
$query .= ' AND '.$field.' NOT LIKE "%'.$related.'%"'; |
|
} else { |
|
$query .= ' OR '.$field.' LIKE "%'.$related.'%"'; |
|
} |
|
} |
|
if ($SQLQuery) { |
|
if ($phrase->{'or'}) { |
|
$SQLQuery .= ' OR ('.$query.')'; |
|
} else { |
|
$SQLQuery .= ' AND ('.$query.')'; |
} |
} |
push(@Phrases,$word); |
} else { |
|
$SQLQuery = '('.$query.')'; |
} |
} |
} |
} |
# |
# |
#foreach my $p (@Phrases) { |
# &Apache::lonnet::logthis("SQLQuery = $SQLQuery"); |
# &Apache::lonnet::logthis(' subphrase = '.$p); |
|
#} |
|
# |
# |
return @Phrases; |
return undef,$SQLQuery; |
} |
} |
|
|
###################################################################### |
###################################################################### |
Line 1579 sub related_version {
|
Line 1757 sub related_version {
|
return $result,sort(@Words); |
return $result,sort(@Words); |
} |
} |
|
|
###################################################################### |
|
###################################################################### |
|
|
|
=pod |
|
|
|
=item &build_SQL_query() |
|
|
|
Builds a SQL query string from a logical expression with AND/OR keywords |
|
using Text::Query and &recursive_SQL_query_builder() |
|
|
|
=cut |
|
|
|
###################################################################### |
|
###################################################################### |
|
sub build_SQL_query { |
|
my ($field_name,$logic_statement)=@_; |
|
my $q=new Text::Query('abc', |
|
-parse => 'Text::Query::ParseAdvanced', |
|
-build => 'Text::Query::Build'); |
|
$q->prepare($logic_statement); |
|
my $matchexp=${$q}{'matchexp'}; chomp $matchexp; |
|
my $sql_query=&recursive_SQL_query_build($field_name,$matchexp); |
|
return $sql_query; |
|
} |
|
|
|
###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
Line 1637 sub build_custommetadata_query {
|
Line 1791 sub build_custommetadata_query {
|
return $matchexp; |
return $matchexp; |
} |
} |
|
|
###################################################################### |
|
###################################################################### |
|
|
|
=pod |
|
|
|
=item &recursive_SQL_query_build() |
|
|
|
Recursively constructs an SQL query. Takes as input $dkey and $pattern. |
|
|
|
=cut |
|
|
|
###################################################################### |
|
###################################################################### |
|
sub recursive_SQL_query_build { |
|
my ($dkey,$pattern)=@_; |
|
my @matches=($pattern=~/(\[[^\]|\[]*\])/g); |
|
return $pattern unless @matches; |
|
foreach my $match (@matches) { |
|
$match=~/\[ (\w+)\s(.*) \]/; |
|
my ($key,$value)=($1,$2); |
|
my $replacement=''; |
|
if ($key eq 'literal') { |
|
$replacement="($dkey LIKE \"\%$value\%\")"; |
|
} elsif (lc($key) eq 'not') { |
|
$value=~s/LIKE/NOT LIKE/; |
|
# $replacement="($dkey not like $value)"; |
|
$replacement="$value"; |
|
} elsif ($key eq 'and') { |
|
$value=~/(.*[\"|\)]) ([|\(|\^].*)/; |
|
$replacement="($1 AND $2)"; |
|
} elsif ($key eq 'or') { |
|
$value=~/(.*[\"|\)]) ([|\(|\^].*)/; |
|
$replacement="($1 OR $2)"; |
|
} |
|
substr($pattern, |
|
index($pattern,$match), |
|
length($match), |
|
$replacement); |
|
} |
|
&recursive_SQL_query_build($dkey,$pattern); |
|
} |
|
|
|
###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
Line 1873 sub print_sort_form {
|
Line 1986 sub print_sort_form {
|
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1). |
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1). |
&Apache::lonhtmlcommon::breadcrumbs |
&Apache::lonhtmlcommon::breadcrumbs |
(undef,'Searching','Searching',undef,undef, |
(undef,'Searching','Searching',undef,undef, |
! ($ENV{'form.catalogmode'} eq 'groupsearch')); |
$ENV{'form.catalogmode'} ne 'groupsearch'); |
|
|
## |
## |
my %SortableFields=&Apache::lonlocal::texthash( |
my %SortableFields=&Apache::lonlocal::texthash( |
Line 2140 results into MySQL.
|
Line 2253 results into MySQL.
|
sub run_search { |
sub run_search { |
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_; |
my ($r,$query,$customquery,$customshow,$serverlist,$pretty_string) = @_; |
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); |
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); |
$bodytag.= |
$bodytag.=&Apache::lonhtmlcommon::breadcrumbs |
&Apache::lonhtmlcommon::breadcrumbs(undef,'Searching','Searching', |
(undef,'Searching','Searching',undef,undef, |
undef,undef,! $ENV{'form.launch'}); |
$ENV{'form.catalogmode'} ne 'groupsearch'); |
|
|
my $connection = $r->connection; |
my $connection = $r->connection; |
# |
# |
# Print run_search header |
# Print run_search header |
Line 2155 $bodytag
|
Line 2267 $bodytag
|
<form name="statusform" action="" method="post"> |
<form name="statusform" action="" method="post"> |
<input type="hidden" name="Queue" value="" /> |
<input type="hidden" name="Queue" value="" /> |
END |
END |
# Check to see if $pretty_string has more than one carriage return. |
# Remove leading and trailing <br /> |
# Assume \n s are following <br /> s and truncate the value. |
$pretty_string =~ s:^\s*<br />::i; |
# (there is probably a better way)... |
$pretty_string =~ s:(<br />)*\s*$::im; |
my @Lines = split /<br \/>/,$pretty_string; |
my @Lines = split("<br />",$pretty_string); |
|
# I keep getting blank items at the end of the list, hence the following: |
|
while ($Lines[-1] =~ /^\s*$/ && @Lines) { |
|
pop(@Lines); |
|
} |
if (@Lines > 2) { |
if (@Lines > 2) { |
$pretty_string = join '<br \>',(@Lines[0..2],'....<br />'); |
$pretty_string = join '<br />',(@Lines[0..2],'....<br />'); |
} |
} |
$r->print(&mt("Search: [_1]",$pretty_string)); |
$r->print(&mt("Search: [_1]",$pretty_string)); |
$r->rflush(); |
$r->rflush(); |
Line 2253 END
|
Line 2369 END
|
# |
# |
# Loop through the servers we have contacted but do not |
# Loop through the servers we have contacted but do not |
# have results from yet, looking for results. |
# have results from yet, looking for results. |
while (my ($server,$status) = each(%Server_status)) { |
foreach my $server (keys(%Server_status)) { |
last if ($connection->aborted()); |
last if ($connection->aborted()); |
&update_seconds($r); |
&update_seconds($r); |
|
my $status = $Server_status{$server}; |
if ($status eq 'con_lost') { |
if ($status eq 'con_lost') { |
delete ($Server_status{$server}); |
delete ($Server_status{$server}); |
next; |
next; |
Line 2987 sub detailed_citation_view {
|
Line 3104 sub detailed_citation_view {
|
} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){ |
} elsif (exists($field->{'format'}) && $field->{'format'} ne ''){ |
$result.= &mt($field->{'translate'}, |
$result.= &mt($field->{'translate'}, |
sprintf($field->{'format'}, |
sprintf($field->{'format'}, |
$values{$field->{'name'}})).'<br />'."\n"; |
$values{$field->{'name'}}))."<br />\n"; |
} else { |
} else { |
if ($field->{'special'} eq 'url link') { |
if ($field->{'special'} eq 'url link') { |
$result.= |
$result.= |
Line 3209 sub filled {
|
Line 3326 sub filled {
|
|
|
=pod |
=pod |
|
|
|
=item &output_unparsed_phrase_error() |
|
|
|
=cut |
|
|
|
###################################################################### |
|
###################################################################### |
|
sub output_unparsed_phrase_error { |
|
my ($r,$closebutton,$parms,$hidden_fields,$field)=@_; |
|
my $errorstring; |
|
if ($field eq 'basicexp') { |
|
$errorstring = &mt('Unable to understand the search phrase <i>[_1]</i>. Please modify your search.',$ENV{'form.basicexp'}); |
|
} else { |
|
$errorstring = &mt('Unable to understand the search phrase <b>[_1]</b>:<i>[_2]</i>.',$field,$ENV{'form.'.$field}); |
|
} |
|
my $bodytag = &Apache::loncommon::bodytag('Search'); |
|
my $heading = &mt('Unparsed Field'); |
|
my $revise = &mt('Revise search request'); |
|
# make query information persistent to allow for subsequent revision |
|
$r->print(<<ENDPAGE); |
|
<html> |
|
<head> |
|
<title>The LearningOnline Network with CAPA</title> |
|
</head> |
|
$bodytag |
|
<form method="post" action="/adm/searchcat"> |
|
$hidden_fields |
|
$closebutton |
|
<hr /> |
|
<h2>$heading</h2> |
|
<p> |
|
$errorstring |
|
</p> |
|
<p> |
|
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}">$revise</a> |
|
</p> |
|
</body> |
|
</html> |
|
ENDPAGE |
|
} |
|
|
|
###################################################################### |
|
###################################################################### |
|
|
|
=pod |
|
|
=item &output_blank_field_error() |
=item &output_blank_field_error() |
|
|
Output a complete page that indicates the user has not filled in enough |
Output a complete page that indicates the user has not filled in enough |
Line 3226 $parms is extra information to include i
|
Line 3388 $parms is extra information to include i
|
###################################################################### |
###################################################################### |
sub output_blank_field_error { |
sub output_blank_field_error { |
my ($r,$closebutton,$parms,$hidden_fields)=@_; |
my ($r,$closebutton,$parms,$hidden_fields)=@_; |
my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); |
my $bodytag=&Apache::loncommon::bodytag('Search'); |
# make query information persistent to allow for subsequent revision |
my $errormsg = &mt('You did not fill in enough information for the search to be started. You need to fill in relevant fields on the search page in order for a query to be processed.'); |
$r->print(<<BEGINNING); |
my $revise = &mt('Revise Search Request'); |
|
my $heading = &mt('Unactionable Search Queary'); |
|
$r->print(<<ENDPAGE); |
<html> |
<html> |
<head> |
<head> |
<title>The LearningOnline Network with CAPA</title> |
<title>The LearningOnline Network with CAPA</title> |
BEGINNING |
|
$r->print(<<RESULTS); |
|
</head> |
</head> |
$bodytag |
$bodytag |
<img align='right' src='/adm/lonIcons/lonlogos.gif' /> |
|
<h1>Search Catalog</h1> |
|
<form method="post" action="/adm/searchcat"> |
<form method="post" action="/adm/searchcat"> |
$hidden_fields |
$hidden_fields |
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}" |
|
>Revise search request</a> |
|
$closebutton |
$closebutton |
<hr /> |
<hr /> |
<h3>Unactionable search query.</h3> |
<h2>$heading</h2> |
|
<p> |
|
$errormsg |
|
</p> |
<p> |
<p> |
You did not fill in enough information for the search to be started. |
<a href="/adm/searchcat?$parms&persistent_db_id=$ENV{'form.persistent_db_id'}">$revise</a> |
You need to fill in relevant fields on the search page in order |
|
for a query to be processed. |
|
</p> |
</p> |
</body> |
</body> |
</html> |
</html> |
RESULTS |
ENDPAGE |
|
return; |
} |
} |
|
|
###################################################################### |
###################################################################### |