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Diff for /loncom/interface/lonsearchcat.pm between versions 1.7 and 1.43

version 1.7, 2001/03/12 17:28:32 version 1.43, 2001/03/20 12:21:56
Line 2 Line 2
 # Search Catalog  # Search Catalog
 #  #
 # 03/08/2001 Scott Harrison  # 03/08/2001 Scott Harrison
   # Scott Harrison: 03/12/2001, 03/13/2001, 03/14/2001, 03/15/2001, 03/19/2001
   # Scott Harrison: 03/20/2001
 #  #
   # Functions
   #
   # handler(server reference) : interacts with the Apache server layer
   #                             (for /adm/searchcat URLs)
   # simpletextfield(name,value) : returns HTML formatted string for simple text
   #                               field
   # simplecheckbox(name,value) : returns HTML formatted string for simple
   #                              checkbox
   # searchphrasefield(title,name,value) : returns HTML formatted string for
   #                                       a search expression phrase field
   # dateboxes(name, defaultmonth, defaultday, defaultyear) : returns HTML
   #                                                          formatted string
   #                                                          for a calendar date
   # selectbox(title,name,value,%HASH=options) : returns HTML formatted string for
   #                                             a selection box field
   # advancedsearch(server reference, environment reference) : perform a complex
   #                                  multi-field logical query
   # filled(field) : determines whether a given field has been filled
   # basicsearch(server reference, environment reference) : perform a simple
   #                               single-field logical query
   # output_blank_field_error(server reference) : outputs a message saying that
   #                                              more fields need to be filled in
   # output_results(output mode,
   #                server reference, 
   #                environment reference,
   #                reply list reference) : outputs results from search
   # build_SQL_query(field name, logic) : builds a SQL query string from a
   #                                      logical expression with AND/OR keywords
   # recursive_SQL_query_build(field name, reverse notation expression) : 
   #                 builds a SQL query string from a reverse notation expression
   #                 logical expression with AND/OR keywords
   
 package Apache::lonsearchcat;  package Apache::lonsearchcat;
   
 use strict;  use strict;
Line 10  use Apache::Constants qw(:common); Line 44  use Apache::Constants qw(:common);
 use Apache::lonnet();  use Apache::lonnet();
 use Apache::File();  use Apache::File();
 use CGI qw(:standard);  use CGI qw(:standard);
   use Text::Query;
   
 my %language;  my %language;
 my $scrout;  my $scrout;
Line 36  sub handler { Line 71  sub handler {
   
     %metadatafields=();      %metadatafields=();
   
       my $hidden='';
       $hidden=<<END if $ENV{'form.catalogmode'} eq 'interactive';
   <input type='hidden' name='catalogmode' value='interactive'>
   END
   
 # ------------------------------------------------ First, check out environment  # ------------------------------------------------ First, check out environment
     $metadatafields{'owner'}=$ENV{'user.name'}.'@'.$ENV{'user.domain'};      $metadatafields{'owner'}=$ENV{'user.name'}.'@'.$ENV{'user.domain'};
   
   # --------------------------------- Compute various listings of metadata values
           
     %language=();      %language=();
     $language{'any'}='Any language';      $language{'any'}='Any language';
Line 71  sub handler { Line 112  sub handler {
     }      }
   
     if ($ENV{'form.basicsubmit'} eq 'SEARCH') {      if ($ENV{'form.basicsubmit'} eq 'SEARCH') {
  return &basicsearch($r,$ENV{'form.basicexp'});   return &basicsearch($r,\%ENV);
       }
       elsif ($ENV{'form.advancedsubmit'} eq 'SEARCH') {
    return &advancedsearch($r,\%ENV);
     }      }
   
     $scrout="";      $scrout=''; # building a part of screen output
     $scrout.=&searchphrasefield('Limit by title','title',      $scrout.=&searchphrasefield('Limit by title','title',
  '');   $ENV{'form.title'});
   
     $scrout.=&searchphrasefield('Limit by author','author',      $scrout.=&searchphrasefield('Limit by author','author',
  '');   $ENV{'form.author'});
   
     $scrout.=&searchphrasefield('Limit by subject','subject',      $scrout.=&searchphrasefield('Limit by subject','subject',
  '');   $ENV{'form.subject'});
   
       $scrout.=&searchphrasefield('Limit by keywords','keywords',
    $ENV{'form.keywords'});
   
       $scrout.=&searchphrasefield('Limit by URL','url',
    $ENV{'form.url'});
   
       $scrout.=&searchphrasefield('Limit by version','version',
    $ENV{'form.version'});
   
     $scrout.=&searchphrasefield('Limit by notes','notes',      $scrout.=&searchphrasefield('Limit by notes','notes',
  '');   $ENV{'form.notes'});
   
     $scrout.=&searchphrasefield('Limit by abstract','abstract',      $scrout.=&searchphrasefield('Limit by abstract','abstract',
  '');   $ENV{'form.abstract'});
   
       $ENV{'form.mime'}='notxxx' unless length($ENV{'form.mime'});
     $scrout.=&selectbox('Limit by MIME type','mime',      $scrout.=&selectbox('Limit by MIME type','mime',
  'notxxx',%mimetag);   $ENV{'form.mime'},%mimetag);
   
       $ENV{'form.language'}='any' unless length($ENV{'form.language'});
   
     $scrout.=&selectbox('Limit by language','language',      $scrout.=&selectbox('Limit by language','language',
  'any',%language);   $ENV{'form.language'},%language);
           
     $scrout.=<<CREATIONDATEEND;  
   # ------------------------------------------------ Compute date selection boxes
       $scrout.=<<CREATIONDATESTART;
 <p>  <p>
 <font color="#800000" face="helvetica"><b>LIMIT BY CREATION DATE RANGE:</b>  <font color="#800000" face="helvetica"><b>LIMIT BY CREATION DATE RANGE:</b>
 </font>  </font>
 <br>  <br>
 between:<select name="creationdatemonthstart">  between:
 <option value="01"> </option>  CREATIONDATESTART
 <option value="01">January</option>      $scrout.=&dateboxes('creationdatestart',1,1,1976,
 <option value="02">February</option>   $ENV{'form.creationdatestart_month'},
 <option value="03">March</option>   $ENV{'form.creationdatestart_day'},
 <option value="04">April</option>   $ENV{'form.creationdatestart_year'},
 <option value="05">May</option>   );
 <option value="06">June</option>      $scrout.=<<CREATIONDATEEND;
 <option value="07">July</option>  and:
 <option value="08">August</option>  
 <option value="09">September</option>  
 <option value="10">October</option>  
 <option value="11">November</option>  
 <option value="12">December</option>  
 </select>  
 <select name="creationdatedaystart">  
 <option value="1"> </option>  
 <option value=1>1</option>  
 <option value=2>2</option>  
 <option value=3>3</option>  
 <option value=4>4</option>  
 <option value=5>5</option>  
 <option value=6>6</option>  
 <option value=7>7</option>  
 <option value=8>8</option>  
 <option value=9>9</option>  
 <option value=10>10</option>  
 <option value=11>11</option>  
 <option value=12>12</option>  
 <option value=13>13</option>  
 <option value=14>14</option>  
 <option value=15>15</option>  
 <option value=16>16</option>  
 <option value=17>17</option>  
 <option value=18>18</option>  
 <option value=19>19</option>  
 <option value=20>20</option>  
 <option value=21>21</option>  
 <option value=22>22</option>  
 <option value=23>23</option>  
 <option value=24>24</option>  
 <option value=25>25</option>  
 <option value=26>26</option>  
 <option value=27>27</option>  
 <option value=28>28</option>  
 <option value=29>29</option>  
 <option value=30>30</option>  
 <option value=31>31</option>  
 </select>  
 <select name="creationdateyearstart">  
 <option value=1976> </option>  
 <option value=1976>1976</option>  
 <option value=1977>1977</option>  
 <option value=1978>1978</option>  
 <option value=1979>1979</option>  
 <option value=1980>1980</option>  
 <option value=1981>1981</option>  
 <option value=1982>1982</option>  
 <option value=1983>1983</option>  
 <option value=1984>1984</option>  
 <option value=1985>1985</option>  
 <option value=1986>1986</option>  
 <option value=1987>1987</option>  
 <option value=1988>1988</option>  
 <option value=1989>1989</option>  
 <option value=1990>1990</option>  
 <option value=1991>1991</option>  
 <option value=1992>1992</option>  
 <option value=1993>1993</option>  
 <option value=1994>1994</option>  
 <option value=1995>1995</option>  
 <option value=1996>1996</option>  
 <option value=1997>1997</option>  
 <option value=1998>1998</option>  
 <option value=1999>1999</option>  
 <option value=2000>2000</option>  
 <option value=2001>2001</option>  
 <option value=2002>2002</option>  
 <option value=2003>2003</option>  
 <option value=2004>2004</option>  
 <option value=2005>2005</option>  
 <option value=2006>2006</option>  
 <option value=2007>2007</option>  
 <option value=2008>2008</option>  
 <option value=2009>2009</option>  
 <option value=2010>2010</option>  
 <option value=2011>2011</option>  
 <option value=2012>2012</option>  
 <option value=2013>2013</option>  
 <option value=2014>2014</option>  
 <option value=2015>2015</option>  
 <option value=2016>2016</option>  
 <option value=2017>2017</option>  
 <option value=2018>2018</option>  
 <option value=2019>2019</option>  
 <option value=2020>2020</option>  
 <option value=2021>2021</option>  
 <option value=2022>2022</option>  
 <option value=2023>2023</option>  
 <option value=2024>2024</option>  
 <option value=2025>2025</option>  
 <option value=2026>2026</option>  
 <option value=2027>2027</option>  
 <option value=2028>2028</option>  
 <option value=2029>2029</option>  
 <option value=2030>2030</option>  
 <option value=2031>2031</option>  
 <option value=2032>2032</option>  
 <option value=2033>2033</option>  
 <option value=2034>2034</option>  
 <option value=2035>2035</option>  
 <option value=2036>2036</option>  
 <option value=2037>2037</option>  
 <option value=2038>2038</option>  
 <option value=2039>2039</option>  
 <option value=2040>2040</option>  
 <option value=2041>2041</option>  
 <option value=2042>2042</option>  
 <option value=2043>2043</option>  
 <option value=2044>2044</option>  
 <option value=2045>2045</option>  
 <option value=2046>2046</option>  
 <option value=2047>2047</option>  
 <option value=2048>2048</option>  
 <option value=2049>2049</option>  
 <option value=2050>2050</option>  
 <option value=2051>2051</option>  
 </select>  
 and:<select name="creationdatemonthend">  
 <option value="12"> </option>  
 <option value="01">January</option>  
 <option value="02">February</option>  
 <option value="03">March</option>  
 <option value="04">April</option>  
 <option value="05">May</option>  
 <option value="06">June</option>  
 <option value="07">July</option>  
 <option value="08">August</option>  
 <option value="09">September</option>  
 <option value="10">October</option>  
 <option value="11">November</option>  
 <option value="12">December</option>  
 </select>  
 <select name="creationdatedayend">  
 <option value=28> </option>  
 <option value=1>1</option>  
 <option value=2>2</option>  
 <option value=3>3</option>  
 <option value=4>4</option>  
 <option value=5>5</option>  
 <option value=6>6</option>  
 <option value=7>7</option>  
 <option value=8>8</option>  
 <option value=9>9</option>  
 <option value=10>10</option>  
 <option value=11>11</option>  
 <option value=12>12</option>  
 <option value=13>13</option>  
 <option value=14>14</option>  
 <option value=15>15</option>  
 <option value=16>16</option>  
 <option value=17>17</option>  
 <option value=18>18</option>  
 <option value=19>19</option>  
 <option value=20>20</option>  
 <option value=21>21</option>  
 <option value=22>22</option>  
 <option value=23>23</option>  
 <option value=24>24</option>  
 <option value=25>25</option>  
 <option value=26>26</option>  
 <option value=27>27</option>  
 <option value=28>28</option>  
 <option value=29>29</option>  
 <option value=30>30</option>  
 <option value=31>31</option>  
 </select>  
 <select name="creationdateyearend">  
 <option value=2051> </option>  
 <option value=1976>1976</option>  
 <option value=1977>1977</option>  
 <option value=1978>1978</option>  
 <option value=1979>1979</option>  
 <option value=1980>1980</option>  
 <option value=1981>1981</option>  
 <option value=1982>1982</option>  
 <option value=1983>1983</option>  
 <option value=1984>1984</option>  
 <option value=1985>1985</option>  
 <option value=1986>1986</option>  
 <option value=1987>1987</option>  
 <option value=1988>1988</option>  
 <option value=1989>1989</option>  
 <option value=1990>1990</option>  
 <option value=1991>1991</option>  
 <option value=1992>1992</option>  
 <option value=1993>1993</option>  
 <option value=1994>1994</option>  
 <option value=1995>1995</option>  
 <option value=1996>1996</option>  
 <option value=1997>1997</option>  
 <option value=1998>1998</option>  
 <option value=1999>1999</option>  
 <option value=2000>2000</option>  
 <option value=2001>2001</option>  
 <option value=2002>2002</option>  
 <option value=2003>2003</option>  
 <option value=2004>2004</option>  
 <option value=2005>2005</option>  
 <option value=2006>2006</option>  
 <option value=2007>2007</option>  
 <option value=2008>2008</option>  
 <option value=2009>2009</option>  
 <option value=2010>2010</option>  
 <option value=2011>2011</option>  
 <option value=2012>2012</option>  
 <option value=2013>2013</option>  
 <option value=2014>2014</option>  
 <option value=2015>2015</option>  
 <option value=2016>2016</option>  
 <option value=2017>2017</option>  
 <option value=2018>2018</option>  
 <option value=2019>2019</option>  
 <option value=2020>2020</option>  
 <option value=2021>2021</option>  
 <option value=2022>2022</option>  
 <option value=2023>2023</option>  
 <option value=2024>2024</option>  
 <option value=2025>2025</option>  
 <option value=2026>2026</option>  
 <option value=2027>2027</option>  
 <option value=2028>2028</option>  
 <option value=2029>2029</option>  
 <option value=2030>2030</option>  
 <option value=2031>2031</option>  
 <option value=2032>2032</option>  
 <option value=2033>2033</option>  
 <option value=2034>2034</option>  
 <option value=2035>2035</option>  
 <option value=2036>2036</option>  
 <option value=2037>2037</option>  
 <option value=2038>2038</option>  
 <option value=2039>2039</option>  
 <option value=2040>2040</option>  
 <option value=2041>2041</option>  
 <option value=2042>2042</option>  
 <option value=2043>2043</option>  
 <option value=2044>2044</option>  
 <option value=2045>2045</option>  
 <option value=2046>2046</option>  
 <option value=2047>2047</option>  
 <option value=2048>2048</option>  
 <option value=2049>2049</option>  
 <option value=2050>2050</option>  
 <option value=2051>2051</option>  
 </select>  
 </p>  
 CREATIONDATEEND  CREATIONDATEEND
       $scrout.=&dateboxes('creationdateend',12,31,2051,
    $ENV{'form.creationdateend_month'},
    $ENV{'form.creationdateend_day'},
    $ENV{'form.creationdateend_year'},
    );
       $scrout.="</p>";
   
     $scrout.=<<LASTREVISIONDATEEND;      $scrout.=<<LASTREVISIONDATESTART;
 <p>  <p>
 <font color="#800000" face="helvetica"><b>LIMIT BY LAST REVISION DATE RANGE:  <font color="#800000" face="helvetica"><b>LIMIT BY LAST REVISION DATE RANGE:
 </b></font>  </b></font>
 <br>between:<select name="lastrevisiondatemonthstart">  <br>between:
 <option value="00"> </option>  LASTREVISIONDATESTART
 <option value="01">January</option>      $scrout.=&dateboxes('lastrevisiondatestart',1,1,1976,
 <option value="02">February</option>   $ENV{'form.lastrevisiondatestart_month'},
 <option value="03">March</option>   $ENV{'form.lastrevisiondatestart_day'},
 <option value="04">April</option>   $ENV{'form.lastrevisiondatestart_year'},
 <option value="05">May</option>   );
 <option value="06">June</option>      $scrout.=<<LASTREVISIONDATEEND;
 <option value="07">July</option>  and:
 <option value="08">August</option>  
 <option value="09">September</option>  
 <option value="10">October</option>  
 <option value="11">November</option>  
 <option value="12">December</option>  
 </select>  
 <select name="lastrevisiondatedaystart">  
 <option value=1> </option>  
 <option value=1>1</option>  
 <option value=2>2</option>  
 <option value=3>3</option>  
 <option value=4>4</option>  
 <option value=5>5</option>  
 <option value=6>6</option>  
 <option value=7>7</option>  
 <option value=8>8</option>  
 <option value=9>9</option>  
 <option value=10>10</option>  
 <option value=11>11</option>  
 <option value=12>12</option>  
 <option value=13>13</option>  
 <option value=14>14</option>  
 <option value=15>15</option>  
 <option value=16>16</option>  
 <option value=17>17</option>  
 <option value=18>18</option>  
 <option value=19>19</option>  
 <option value=20>20</option>  
 <option value=21>21</option>  
 <option value=22>22</option>  
 <option value=23>23</option>  
 <option value=24>24</option>  
 <option value=25>25</option>  
 <option value=26>26</option>  
 <option value=27>27</option>  
 <option value=28>28</option>  
 <option value=29>29</option>  
 <option value=30>30</option>  
 <option value=31>31</option>  
 </select>  
 <select name="lastrevisiondateyearstart">  
 <option value=1976> </option>  
 <option value=1976>1976</option>  
 <option value=1977>1977</option>  
 <option value=1978>1978</option>  
 <option value=1979>1979</option>  
 <option value=1980>1980</option>  
 <option value=1981>1981</option>  
 <option value=1982>1982</option>  
 <option value=1983>1983</option>  
 <option value=1984>1984</option>  
 <option value=1985>1985</option>  
 <option value=1986>1986</option>  
 <option value=1987>1987</option>  
 <option value=1988>1988</option>  
 <option value=1989>1989</option>  
 <option value=1990>1990</option>  
 <option value=1991>1991</option>  
 <option value=1992>1992</option>  
 <option value=1993>1993</option>  
 <option value=1994>1994</option>  
 <option value=1995>1995</option>  
 <option value=1996>1996</option>  
 <option value=1997>1997</option>  
 <option value=1998>1998</option>  
 <option value=1999>1999</option>  
 <option value=2000>2000</option>  
 <option value=2001>2001</option>  
 <option value=2002>2002</option>  
 <option value=2003>2003</option>  
 <option value=2004>2004</option>  
 <option value=2005>2005</option>  
 <option value=2006>2006</option>  
 <option value=2007>2007</option>  
 <option value=2008>2008</option>  
 <option value=2009>2009</option>  
 <option value=2010>2010</option>  
 <option value=2011>2011</option>  
 <option value=2012>2012</option>  
 <option value=2013>2013</option>  
 <option value=2014>2014</option>  
 <option value=2015>2015</option>  
 <option value=2016>2016</option>  
 <option value=2017>2017</option>  
 <option value=2018>2018</option>  
 <option value=2019>2019</option>  
 <option value=2020>2020</option>  
 <option value=2021>2021</option>  
 <option value=2022>2022</option>  
 <option value=2023>2023</option>  
 <option value=2024>2024</option>  
 <option value=2025>2025</option>  
 <option value=2026>2026</option>  
 <option value=2027>2027</option>  
 <option value=2028>2028</option>  
 <option value=2029>2029</option>  
 <option value=2030>2030</option>  
 <option value=2031>2031</option>  
 <option value=2032>2032</option>  
 <option value=2033>2033</option>  
 <option value=2034>2034</option>  
 <option value=2035>2035</option>  
 <option value=2036>2036</option>  
 <option value=2037>2037</option>  
 <option value=2038>2038</option>  
 <option value=2039>2039</option>  
 <option value=2040>2040</option>  
 <option value=2041>2041</option>  
 <option value=2042>2042</option>  
 <option value=2043>2043</option>  
 <option value=2044>2044</option>  
 <option value=2045>2045</option>  
 <option value=2046>2046</option>  
 <option value=2047>2047</option>  
 <option value=2048>2048</option>  
 <option value=2049>2049</option>  
 <option value=2050>2050</option>  
 <option value=2051>2051</option>  
 </select>  
 and:<select name="lastrevisiondatemonthend">  
 <option value="12"> </option>  
 <option value="01">January</option>  
 <option value="02">February</option>  
 <option value="03">March</option>  
 <option value="04">April</option>  
 <option value="05">May</option>  
 <option value="06">June</option>  
 <option value="07">July</option>  
 <option value="08">August</option>  
 <option value="09">September</option>  
 <option value="10">October</option>  
 <option value="11">November</option>  
 <option value="12">December</option>  
 </select>  
 <select name="lastrevisiondatedayend">  
 <option value=28> </option>  
 <option value=1>1</option>  
 <option value=2>2</option>  
 <option value=3>3</option>  
 <option value=4>4</option>  
 <option value=5>5</option>  
 <option value=6>6</option>  
 <option value=7>7</option>  
 <option value=8>8</option>  
 <option value=9>9</option>  
 <option value=10>10</option>  
 <option value=11>11</option>  
 <option value=12>12</option>  
 <option value=13>13</option>  
 <option value=14>14</option>  
 <option value=15>15</option>  
 <option value=16>16</option>  
 <option value=17>17</option>  
 <option value=18>18</option>  
 <option value=19>19</option>  
 <option value=20>20</option>  
 <option value=21>21</option>  
 <option value=22>22</option>  
 <option value=23>23</option>  
 <option value=24>24</option>  
 <option value=25>25</option>  
 <option value=26>26</option>  
 <option value=27>27</option>  
 <option value=28>28</option>  
 <option value=29>29</option>  
 <option value=30>30</option>  
 <option value=31>31</option>  
 </select>  
 <select name="lastrevisiondateyearend">  
 <option value=2051> </option>  
 <option value=1976>1976</option>  
 <option value=1977>1977</option>  
 <option value=1978>1978</option>  
 <option value=1979>1979</option>  
 <option value=1980>1980</option>  
 <option value=1981>1981</option>  
 <option value=1982>1982</option>  
 <option value=1983>1983</option>  
 <option value=1984>1984</option>  
 <option value=1985>1985</option>  
 <option value=1986>1986</option>  
 <option value=1987>1987</option>  
 <option value=1988>1988</option>  
 <option value=1989>1989</option>  
 <option value=1990>1990</option>  
 <option value=1991>1991</option>  
 <option value=1992>1992</option>  
 <option value=1993>1993</option>  
 <option value=1994>1994</option>  
 <option value=1995>1995</option>  
 <option value=1996>1996</option>  
 <option value=1997>1997</option>  
 <option value=1998>1998</option>  
 <option value=1999>1999</option>  
 <option value=2000>2000</option>  
 <option value=2001>2001</option>  
 <option value=2002>2002</option>  
 <option value=2003>2003</option>  
 <option value=2004>2004</option>  
 <option value=2005>2005</option>  
 <option value=2006>2006</option>  
 <option value=2007>2007</option>  
 <option value=2008>2008</option>  
 <option value=2009>2009</option>  
 <option value=2010>2010</option>  
 <option value=2011>2011</option>  
 <option value=2012>2012</option>  
 <option value=2013>2013</option>  
 <option value=2014>2014</option>  
 <option value=2015>2015</option>  
 <option value=2016>2016</option>  
 <option value=2017>2017</option>  
 <option value=2018>2018</option>  
 <option value=2019>2019</option>  
 <option value=2020>2020</option>  
 <option value=2021>2021</option>  
 <option value=2022>2022</option>  
 <option value=2023>2023</option>  
 <option value=2024>2024</option>  
 <option value=2025>2025</option>  
 <option value=2026>2026</option>  
 <option value=2027>2027</option>  
 <option value=2028>2028</option>  
 <option value=2029>2029</option>  
 <option value=2030>2030</option>  
 <option value=2031>2031</option>  
 <option value=2032>2032</option>  
 <option value=2033>2033</option>  
 <option value=2034>2034</option>  
 <option value=2035>2035</option>  
 <option value=2036>2036</option>  
 <option value=2037>2037</option>  
 <option value=2038>2038</option>  
 <option value=2039>2039</option>  
 <option value=2040>2040</option>  
 <option value=2041>2041</option>  
 <option value=2042>2042</option>  
 <option value=2043>2043</option>  
 <option value=2044>2044</option>  
 <option value=2045>2045</option>  
 <option value=2046>2046</option>  
 <option value=2047>2047</option>  
 <option value=2048>2048</option>  
 <option value=2049>2049</option>  
 <option value=2050>2050</option>  
 <option value=2051>2051</option>  
 </select>  
 </p>  
 LASTREVISIONDATEEND  LASTREVISIONDATEEND
       $scrout.=&dateboxes('lastrevisiondateend',12,31,2051,
    $ENV{'form.lastrevisiondateend_month'},
    $ENV{'form.lastrevisiondateend_day'},
    $ENV{'form.lastrevisiondateend_year'},
    );
       $scrout.='</p>';
   
     $scrout.=&searchphrasefield('Limit by publisher/owner','owner',      $scrout.=&searchphrasefield('Limit by publisher/owner','owner',
  $metadatafields{'owner'});   $ENV{'form.owner'});
   # $metadatafields{'owner'});
   
       $ENV{'form.copyright'}='any' unless length($ENV{'form.copyright'});
     $scrout.=&selectbox('Limit by copyright/distribution','copyright',      $scrout.=&selectbox('Limit by copyright/distribution','copyright',
  'any',%cprtag);   $ENV{'form.copyright'},%cprtag);
   
   # ------------------------------------------- Compute customized metadata field
       $scrout.=<<CUSTOMMETADATA;
   <p>
   <font color="#800000" face="helvetica"><b>LIMIT BY OTHER METADATA FIELDS:</b>
   </font>
   For author-specific metadata, enter in an expression in the form of 
   <i>key</i>=<i>value</i> separated by operators such as AND or OR.<br>
   <b>Example:</b> grandmother=75 OR grandfather=85
   <br>
   CUSTOMMETADATA
   $scrout.=&simpletextfield('custommetadata',$ENV{'form.custommetadata'});
   $scrout.=' <i>initial users of this system do not need to worry about this option</i>';
   
 # ---------------------------------------------------------------- Print screen  # ---------------------------------------------------------------- Print screen
     $r->print(<<ENDDOCUMENT);      $r->print(<<ENDDOCUMENT);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network with CAPA</title>  <title>The LearningOnline Network with CAPA</title>
 <script>  
     function select_data() {  
  changeTitle();  
  changeURL();  
     }  
     function changeTitle() {  
  if (opener.inf.document.forms.resinfo.elements.t) {  
     opener.inf.document.forms.resinfo.elements.t.value="ABC";  
  }  
     }  
     function changeURL() {  
  if (opener.inf.document.forms.resinfo.elements.u) {  
     opener.inf.document.forms.resinfo.elements.u.value="DEF";  
  }  
     }  
 </script>  
 </head>  </head>
 <body bgcolor="#FFFFFF">  <body bgcolor="#FFFFFF">
 <img align=right src=/adm/lonIcons/lonlogos.gif>  <img align=right src=/adm/lonIcons/lonlogos.gif>
 <h1>Search Catalog</h1>  <h1>Search Catalog</h1>
 <form method="post" action="/adm/searchcat">  <form method="post" action="/adm/searchcat">
   $hidden
 <hr>  <hr>
 <h3>Basic Search</h3>  <h3>Basic Search</h3>
 <p>  <p>
 <INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"  
 onClick="javascript:select_data()">  
 </p>  
 <p>  
 Enter terms or phrases separated by search operators  Enter terms or phrases separated by search operators
 such as AND or OR then press SEARCH below.  Terms should be specific  such as AND or OR then press SEARCH below.  Terms should be specific
 to the title, author, subject, notes, or abstract information associated  to the title, author, subject, notes, or abstract information associated
 with a resource.  with a resource.
 <br>  <br>
 <input type="text" name="basicexp">  ENDDOCUMENT
 <input type="checkbox" name="titleonly">      $r->print(&simpletextfield('basicexp',$ENV{'form.basicexp'}));
 <font color="#800000">Title only</font>      $r->print(' ');
       $r->print(&simplecheckbox('titleonly',$ENV{'form.titleonly'}));
       $r->print('<font color="#800000">Title only</font> ');
       $r->print(&simplecheckbox('allversions',$ENV{'form.allversions'}));
       $r->print(<<ENDDOCUMENT);
   <font color="#800000">Search historic archives</font>
 <br>  <br>
 <input type="submit" name="basicsubmit" value="SEARCH">  <input type="submit" name="basicsubmit" value="SEARCH">
   <input type="reset" name="reset" value="RESET">
   <input type="button" name="close" value="CLOSE" onClick="self.close()">
 </p>  </p>
 <hr>  <hr>
 <h3>Advanced Search</h3>  <h3>Advanced Search</h3>
 $scrout  $scrout
 <p>  <p>
 <input type="submit" name="advancedsubmit" value="SEARCH">  <input type="submit" name="advancedsubmit" value="SEARCH">
   <input type="reset" name="reset" value="RESET">
   <input type="button" name="close" value="CLOSE" onClick="self.close()">
 </p>  </p>
 </form>  </form>
 </body>  </body>
Line 688  ENDDOCUMENT Line 267  ENDDOCUMENT
   
 # --------------------------------------------------------- Various form fields  # --------------------------------------------------------- Various form fields
   
 sub textfield {  sub simpletextfield {
     my ($title,$name,$value)=@_;      my ($name,$value)=@_;
     return "\n<p><b>$title:</b><br>".      return '<input type=text name="'.$name.'" size=20 value="'.$value.'">';
            '<input type=text name="'.$name.'" size=80 value="'.$value.'">';  }
   
   sub simplecheckbox {
       my ($name,$value)=@_;
       my $checked='';
       $checked="CHECKED" if $value eq 'on';
       return '<input type=checkbox name="'.$name.'" '. $checked . '>';
 }  }
   
 sub searchphrasefield {  sub searchphrasefield {
Line 702  as AND or OR. Line 287  as AND or OR.
 END  END
     my $uctitle=uc($title);      my $uctitle=uc($title);
     return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:</b>".      return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:</b>".
    ":</FONT> $instruction<br>".     "</FONT> $instruction<br>".
            '<input type=text name="'.$name.'" size=80 value="'.$value.'">';             '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
 }  }
   
   sub dateboxes {
       my ($name,$defaultmonth,$defaultday,$defaultyear,
    $currentmonth,$currentday,$currentyear)=@_;
       ($defaultmonth,$defaultday,$defaultyear)=('','','');
       my $month=<<END;
   <select name="${name}_month">
   <option value='$defaultmonth'> </option>
   <option value="1">January</option>
   <option value="2">February</option>
   <option value="3">March</option>
   <option value="4">April</option>
   <option value="5">May</option>
   <option value="6">June</option>
   <option value="7">July</option>
   <option value="8">August</option>
   <option value="9">September</option>
   <option value="10">October</option>
   <option value="11">November</option>
   <option value="12">December</option>
   </select>
   END
       $month=~s/(\"$currentmonth\")/$1 SELECTED/ if length($currentmonth);
       my $day=<<END;
   <select name="${name}_day">
   <option value='$defaultday'> </option>
   <option value="1">1</option>
   <option value="2">2</option>
   <option value="3">3</option>
   <option value="4">4</option>
   <option value="5">5</option>
   <option value="6">6</option>
   <option value="7">7</option>
   <option value="8">8</option>
   <option value="9">9</option>
   <option value="10">10</option>
   <option value="11">11</option>
   <option value="12">12</option>
   <option value="13">13</option>
   <option value="14">14</option>
   <option value="15">15</option>
   <option value="16">16</option>
   <option value="17">17</option>
   <option value="18">18</option>
   <option value="19">19</option>
   <option value="20">20</option>
   <option value="21">21</option>
   <option value="22">22</option>
   <option value="23">23</option>
   <option value="24">24</option>
   <option value="25">25</option>
   <option value="26">26</option>
   <option value="27">27</option>
   <option value="28">28</option>
   <option value="29">29</option>
   <option value="30">30</option>
   <option value="31">31</option>
   </select>
   END
       $day=~s/(\"$currentday\")/$1 SELECTED/ if length($currentday);
       my $year=<<END;
   <select name="${name}_year">
   <option value='$defaultyear'> </option>
   <option value="1976">1976</option>
   <option value="1977">1977</option>
   <option value="1978">1978</option>
   <option value="1979">1979</option>
   <option value="1980">1980</option>
   <option value="1981">1981</option>
   <option value="1982">1982</option>
   <option value="1983">1983</option>
   <option value="1984">1984</option>
   <option value="1985">1985</option>
   <option value="1986">1986</option>
   <option value="1987">1987</option>
   <option value="1988">1988</option>
   <option value="1989">1989</option>
   <option value="1990">1990</option>
   <option value="1991">1991</option>
   <option value="1992">1992</option>
   <option value="1993">1993</option>
   <option value="1994">1994</option>
   <option value="1995">1995</option>
   <option value="1996">1996</option>
   <option value="1997">1997</option>
   <option value="1998">1998</option>
   <option value="1999">1999</option>
   <option value="2000">2000</option>
   <option value="2001">2001</option>
   <option value="2002">2002</option>
   <option value="2003">2003</option>
   <option value="2004">2004</option>
   <option value="2005">2005</option>
   <option value="2006">2006</option>
   <option value="2007">2007</option>
   <option value="2008">2008</option>
   <option value="2009">2009</option>
   <option value="2010">2010</option>
   <option value="2011">2011</option>
   <option value="2012">2012</option>
   <option value="2013">2013</option>
   <option value="2014">2014</option>
   <option value="2015">2015</option>
   <option value="2016">2016</option>
   <option value="2017">2017</option>
   <option value="2018">2018</option>
   <option value="2019">2019</option>
   <option value="2020">2020</option>
   <option value="2021">2021</option>
   <option value="2022">2022</option>
   <option value="2023">2023</option>
   <option value="2024">2024</option>
   <option value="2025">2025</option>
   <option value="2026">2026</option>
   <option value="2027">2027</option>
   <option value="2028">2028</option>
   <option value="2029">2029</option>
   <option value="2030">2030</option>
   <option value="2031">2031</option>
   <option value="2032">2032</option>
   <option value="2033">2033</option>
   <option value="2034">2034</option>
   <option value="2035">2035</option>
   <option value="2036">2036</option>
   <option value="2037">2037</option>
   <option value="2038">2038</option>
   <option value="2039">2039</option>
   <option value="2040">2040</option>
   <option value="2041">2041</option>
   <option value="2042">2042</option>
   <option value="2043">2043</option>
   <option value="2044">2044</option>
   <option value="2045">2045</option>
   <option value="2046">2046</option>
   <option value="2047">2047</option>
   <option value="2048">2048</option>
   <option value="2049">2049</option>
   <option value="2050">2050</option>
   <option value="2051">2051</option>
   </select>
   END
       $year=~s/(\"$currentyear\")/$1 SELECTED/ if length($currentyear);
       return "$month$day$year";
   }
   
 sub selectbox {  sub selectbox {
     my ($title,$name,$value,%options)=@_;      my ($title,$name,$value,%options)=@_;
     my $uctitle=uc($title);      my $uctitle=uc($title);
Line 719  sub selectbox { Line 448  sub selectbox {
     return $selout.'</select>';      return $selout.'</select>';
 }  }
   
   # ------------------------------------------------ Performing a advanced search
   sub advancedsearch {
       my ($r,$envhash)=@_;
       my %ENV=%{$envhash};
   
       my $fillflag=0;
       for my $field ('title','author','subject','keywords','url','version',
      'notes','abstract','mime','language','owner',
      'custommetadata') {
    if (&filled($ENV{"form.$field"})) {
       $fillflag++;
    }
       }
   
       unless ($fillflag) {
    &output_blank_field_error($r);
    return OK;
       }
   
       my $query='';
   #    my $concatarg=join(',"    ",',
   #       ('title', 'author', 'subject', 'notes', 'abstract'));
   
       $query="select * from metadata where concat(title) like '\%$ENV{'form.title'}\%'";
       my $reply=&Apache::lonnet::metadata_query($query);
   
       &output_results('Advanced',$r,$envhash,$reply);
       return OK;
   }
   
   # ---------------------------------------------------- see if a field is filled
   sub filled {
       my ($field)=@_;
       if ($field=~/\S/) {
    return 1;
       }
       else {
    return 0;
       }
   }
   
 # --------------------------------------------------- Performing a basic search  # --------------------------------------------------- Performing a basic search
 sub basicsearch {  sub basicsearch {
     my ($r,$expression)=@_;      my ($r,$envhash)=@_;
       my %ENV=%{$envhash};
   
     my $query=$expression;      unless (&filled($ENV{'form.basicexp'})) {
 #    $query="select * from metadata where concat(title,':\@:',author) like '\%Sci\%'";   &output_blank_field_error($r);
     $query="select * from metadata where concat(title,\"    \",author) like '\%$expression\%'";   return OK;
 #    my $reply=&Apache::lonnet::reply("querysend:DESCRIBE metadata","msul3");      }
     my $reply=&Apache::lonnet::reply("querysend:$query",'msul3');  
 #    my $reply=&Apache::lonnet::reply('querysend:select * from metadata','msul3');  
   
     my @results;  
   
     my $replyfile='';  
     $reply=~/^([\.\w]+)$/; # must do since 'use strict' checks for tainting  
     $replyfile=$r->dir_config('lonDaemons').'/tmp/'.$1;  
     $reply=~/(.*?)\_/;  
     my $hostname=$1;  
   
     {      my $query='';
  while (1) {      my $concatarg=join(',"    ",',
     last if -e $replyfile;         ('title', 'author', 'subject', 'notes', 'abstract'));
     sleep 1;  
       $query="select * from metadata where concat($concatarg) like '\%$ENV{'form.basicexp'}\%'";
       my $reply=&Apache::lonnet::metadata_query($query);
       &output_results('Basic',$r,$envhash,$reply);
       return OK;
   }
   
   sub output_blank_field_error {
       my ($r)=@_;
       # make query information persistent to allow for subsequent revision
       my $persistent='';
       map {
    if (/^form\./ && !/submit/) {
       my $name=$_;
       my $key=$name;
       $name=~s/^form\.//;
       $persistent.=<<END;
   <INPUT TYPE='hidden' NAME='$name' VALUE='$ENV{$key}'>
   END
           }
       } (keys %ENV);
   
       $r->print(<<BEGINNING);
   <html>
   <head>
   <title>The LearningOnline Network with CAPA</title>
   BEGINNING
       $r->print(<<RESULTS);
   </head>
   <body bgcolor="#ffffff">
   <img align=right src=/adm/lonIcons/lonlogos.gif>
   <h1>Search Catalog</h1>
   <form method="post" action="/adm/searchcat">
   $persistent
   <input type='button' value='Revise search request'
   onClick='this.form.submit();'>
   <input type='button' value='CLOSE'
   onClick='self.close();'>
   <hr>
   <h3>Helpful Message</h3>
   <p>
   Incorrect search query due to blank entry fields.
   You need to fill in the relevant
   fields on the search page in order for a query to be
   processed.
   </p>
   </body>
   </html>
   RESULTS
   }
   
   # ----------------------------- format and output results based on a reply list
   sub output_results {
       my ($mode,$r,$envhash,@replylist)=@_;
       my %ENV=%{$envhash};
       foreach my $reply (@replylist) {
   
    my @results;
   
    my $replyfile='';
    $reply=~/^([\.\w]+)$/; # must do since 'use strict' checks for tainting
    $replyfile=$r->dir_config('lonDaemons').'/tmp/'.$1;
    $reply=~/(.*?)\_/;
    my $hostname=$1;
   
    {
       while (1) {
    last if -e $replyfile;
    sleep 1;
       }
       # QUESTION: how should I handle this error condition..
       # I'm sure there is syntax elsewhere I can use..
       my $fh=Apache::File->new($replyfile) or
    ($r->print('file cannot be opened') and return OK);
       @results=<$fh>;
  }   }
  # QUESTION: how should I handle this error condition..  
  # I'm sure there is syntax elsewhere I can use..   my $compiledresult='';
  my $fh=Apache::File->new($replyfile) or  
        ($r->print('file cannot be opened') and return OK);   foreach my $result (@results) {
        @results=<$fh>;      my ($title,$author,$subject,$url,$keywords,$version,
     }   $notes,$abstract,$mime,$lang,
    $creationdate,$lastrevisiondate,$owner,$copyright
     my $compiledresult='';   )=map {&Apache::lonnet::unescape($_)} (split(/\,/,$result));
       my $shortabstract=$abstract;
     foreach my $result (@results) {      $shortabstract=substr($abstract,0,200) if length($abstract)>200;
  my ($title,$author,$subject,$notes,$abstract,$mime,$lang,      $compiledresult.=<<END;
     $creationdate,$lastrevisiondate,$owner,$copyright  
     )=map {&Apache::lonnet::unescape($_)} (split(/\,/,$result));  
  my $shortabstract=$abstract;  
  $shortabstract=substr($abstract,0,200) if length($abstract)>200;  
  $compiledresult=<<END;  
 <p>  <p>
   END
               $compiledresult.=<<END if $ENV{'form.catalogmode'} eq 'interactive';
   <font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"
   onClick="javascript:select_data('$title','$url')">
   </font>
   <br>
   END
               $compiledresult.=<<END;
   <b>URL: </b> <A HREF="http://$ENV{'HTTP_HOST'}$url" TARGET='search_preview'>$url</A>
   <br>
 <b>Title:</b> $title<br>  <b>Title:</b> $title<br>
 <b>Author(s):</b> $author<br>  <b>Author(s):</b> $author<br>
 <b>Subject:</b> $subject<br>  <b>Subject:</b> $subject<br>
 <b>Keyword(s):</b> <i>not available yet</i><br>  <b>Keyword(s):</b> $keywords<br>
 <b>Notes:</b> $notes<br>  <b>Notes:</b> $notes<br>
 <b>Abstract:</b> $shortabstract<br>  <b>Abstract:</b> $shortabstract<br>
 <b>MIME Type:</b> $mimetag{$mime}<br>  <b>MIME Type:</b> $mimetag{$mime}<br>
Line 775  sub basicsearch { Line 615  sub basicsearch {
 <b>Repository Location:</b> $hostname  <b>Repository Location:</b> $hostname
 </p>  </p>
 END  END
 }          }
   
     unless ($compiledresult) {   unless ($compiledresult) {
  $compiledresult="There were no results that matched your query";      $compiledresult="There were no results that matched your query";
     }   }
   
 # Question... allow to ask question from this page, or click to   # make query information persistent to allow for subsequent revision
 # search again?   my $persistent='';
     $r->print(<<RESULTS);   map {
       if (/^form\./ && !/submit/) {
    my $name=$_;
    my $key=$name;
    $name=~s/^form\.//;
    $persistent.=<<END;
   <INPUT TYPE='hidden' NAME='$name' VALUE='$ENV{$key}'>
   END
               }
    } (keys %ENV);
   
    $r->print(<<BEGINNING);
 <html>  <html>
 <head>  <head>
 <title>The LearningOnline Network with CAPA</title>  <title>The LearningOnline Network with CAPA</title>
   BEGINNING
           $r->print(<<SCRIPT) if $ENV{'form.catalogmode'} eq 'interactive';
   <script>
       function select_data(title,url) {
    changeTitle(title);
    changeURL(url);
       }
       function changeTitle(val) {
    if (opener.inf.document.forms.resinfo.elements.t) {
       opener.inf.document.forms.resinfo.elements.t.value=val;
    }
       }
       function changeURL(val) {
    if (opener.inf.document.forms.resinfo.elements.u) {
       opener.inf.document.forms.resinfo.elements.u.value=val;
    }
       }
   </script>
   SCRIPT
           $r->print(<<RESULTS);
 </head>  </head>
 <body bgcolor="#ffffff">  <body bgcolor="#ffffff">
 <img align=right src=/adm/lonIcons/lonlogos.gif>  <img align=right src=/adm/lonIcons/lonlogos.gif>
 <h1>Search Catalog</h1>  <h1>Search Catalog</h1>
 <form method="post" action="/adm/searchcat">  <form method="post" action="/adm/searchcat">
   <input type='button' value='Revise search request'
   onClick='this.form.submit();'>
   <input type='button' value='CLOSE'
   onClick='self.close();'>
   $persistent
 <hr>  <hr>
 <h3>Search Query</h3>  <h3>Search Query</h3>
   RESULTS
       if ($mode eq 'Basic') {
    $r->print(<<RESULTS);
 <p>  <p>
 $expression  <b>Basic search:</b> $ENV{'form.basicexp'}
 </p>  </p>
   RESULTS
       elsif ($mode eq 'Advanced') {
    $r->print(<<RESULTS);
   <p>
   <b>Advanced search</b>
   </p>
   RESULTS
       }
 <h3>Search Results</h3>  <h3>Search Results</h3>
 $compiledresult  $compiledresult
 </body>  </body>
 </html>  </html>
 RESULTS  RESULTS
       }
   }
   
     return OK;  # ------------------------------------------------------------- build_SQL_query
   sub build_SQL_query {
       my ($field_name,$logic_statement)=@_;
       my $q=new Text::Query('abc',
     -parse => 'Text::Query::ParseAdvanced',
     -build => 'Text::Query::Build');
       $q->prepare($statement);
       my $matchexp=${$q}{'matchexp'}; chomp $matchexp;
       my $sql_query=&recursive_SQL_query_build($field_name,$matchexp);
   }
   
   # - Recursively parse a reverse notation expression into a SQL query expression
   sub recursive_SQL_query_build {
       my ($dkey,$pattern)=@_;
       my @matches=($pattern=~/(\[[^\]|\[]*\])/g);
       return $pattern unless @matches;
       foreach my $match (@matches) {
    $match=~/\[ (\w+)\s(.*) \]/;
    ($key,$value)=($1,$2);
    my $replacement='';
    if ($key eq 'literal') {
       $replacement="($dkey like \"\%$value\%\")";
    }
    elsif ($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);
 }  }
   
 1;  1;
Removed from v.1.7  
changed lines
  Added in v.1.43

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