1 | /**********************************************************************
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2 | *
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3 | * ptmxqueryaction.cpp --
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4 | * A component of the Greenstone digital library software
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5 | * from the New Zealand Digital Library Project at the
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6 | * University of Waikato, New Zealand.
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7 | *
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8 | * Copyright (C) 2002 The New Zealand Digital Library Project
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9 | *
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10 | * This program is free software; you can redistribute it and/or modify
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11 | * it under the terms of the GNU General Public License as published by
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12 | * the Free Software Foundation; either version 2 of the License, or
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13 | * (at your option) any later version.
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14 | *
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15 | * This program is distributed in the hope that it will be useful,
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16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 | * GNU General Public License for more details.
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19 | *
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20 | * You should have received a copy of the GNU General Public License
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21 | * along with this program; if not, write to the Free Software
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22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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23 | *
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24 | *
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25 | *********************************************************************/
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26 |
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27 | #include "ptmxqueryaction.h"
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28 | #include "querytools.h"
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29 | #include "formattools.h"
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30 | #include "htmlutils.h"
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31 | #include "gsdltools.h"
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32 | #include "cgiutils.h"
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33 |
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34 | ptmxqueryaction::ptmxqueryaction () {
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35 |
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36 | cgiarginfo arg_ainfo;
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37 | arg_ainfo.shortname = "c1";
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38 | arg_ainfo.longname = "classification 1";
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39 | arg_ainfo.multiplechar = true;
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40 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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41 | arg_ainfo.argdefault = "";
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42 | arg_ainfo.savedarginfo = cgiarginfo::must;
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43 | argsinfo.addarginfo (NULL, arg_ainfo);
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44 |
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45 | arg_ainfo.shortname = "c2";
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46 | arg_ainfo.longname = "classification 2";
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47 | arg_ainfo.multiplechar = true;
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48 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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49 | arg_ainfo.argdefault = "";
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50 | arg_ainfo.savedarginfo = cgiarginfo::must;
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51 | argsinfo.addarginfo (NULL, arg_ainfo);
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52 |
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53 | arg_ainfo.shortname = "c3";
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54 | arg_ainfo.longname = "classification 3";
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55 | arg_ainfo.multiplechar = true;
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56 | arg_ainfo.defaultstatus = cgiarginfo::weak;
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57 | arg_ainfo.argdefault = "";
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58 | arg_ainfo.savedarginfo = cgiarginfo::must;
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59 | argsinfo.addarginfo (NULL, arg_ainfo);
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60 |
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61 | }
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62 |
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63 | ptmxqueryaction::~ptmxqueryaction () {
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64 | }
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65 |
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66 | bool ptmxqueryaction::search_single_collection (cgiargsclass &args, const text_t &collection,
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67 | recptprotolistclass *protos, browsermapclass *browsers,
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68 | displayclass &disp, outconvertclass &outconvert,
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69 | ostream &textout, ostream &logout) {
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70 |
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71 | recptproto *collectproto = protos->getrecptproto (collection, logout);
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72 | if (collectproto == NULL) {
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73 | logout << outconvert << "queryaction::search_single_collection: " << collection
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74 | << " collection has a NULL collectproto\n";
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75 | return false;
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76 | }
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77 |
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78 | // queryaction uses "VList" browser to display results,
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79 | // a queries clasification is "Search"
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80 | text_t browsertype = "VList";
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81 | text_t classification = "Search";
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82 |
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83 | comerror_t err;
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84 | ColInfoResponse_t *cinfo = recpt->get_collectinfo_ptr (collectproto, collection, logout);
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85 |
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86 | if (cinfo == NULL) {
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87 | logout << "ERROR (query_action::search_single_collection): get_collectinfo_ptr returned NULL\n";
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88 | return false;
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89 | }
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90 |
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91 | browserclass *bptr = browsers->getbrowser (browsertype);
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92 |
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93 | // get the formatstring if there is one
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94 | text_t formatstring;
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95 | if (!get_formatstring (classification, browsertype,
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96 | cinfo->format, formatstring))
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97 | formatstring = bptr->get_default_formatstring();
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98 |
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99 | FilterRequest_t request;
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100 | FilterResponse_t response;
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101 | bptr->set_filter_options (request, args);
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102 | bptr->load_metadata_defaults (request.fields);
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103 |
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104 | format_t *formatlistptr = new format_t();
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105 | parse_formatstring (formatstring, formatlistptr, request.fields, request.getParents);
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106 |
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107 | // do the query
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108 | request.filterResultOptions = FROID | FRmetadata | FRtermFreq;
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109 | text_t formattedstring = "";
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110 |
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111 | if (!args["c1"].empty() && args["c1"] != "Any") {
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112 | formattedstring += "[" + args["c1"] + "]:CL";
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113 | }
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114 | if (!args["c2"].empty() && args["c2"] != "Any") {
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115 | if (!formattedstring.empty()) formattedstring += " & ";
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116 | formattedstring += "[" + args["c2"] + "]:CA";
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117 | }
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118 | if (!args["c3"].empty() && args["c3"] != "Any") {
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119 | if (!formattedstring.empty()) formattedstring += " & ";
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120 | // formattedstring += "[" + args["c3"] + "]:CS";
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121 | formattedstring += args["c3"];
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122 | }
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123 | if (!args["q"].empty()) {
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124 | if (!formattedstring.empty()) formattedstring += " & ";
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125 | // do synonym searching stuff
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126 | text_t qstring = args["q"];
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127 | int insert_equiv_terms(text_t&); // forward declaration
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128 | insert_equiv_terms(qstring);
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129 | formattedstring += qstring;
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130 | }
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131 |
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132 | outconvertclass text_t2ascii;
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133 | logout << text_t2ascii << "formattedstring: " << formattedstring << "\n";
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134 |
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135 | if (!formattedstring.empty()) {
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136 | // note! formattedstring is in unicode! mg and mgpp must convert!
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137 | set_queryfilter_options (request, formattedstring, args);
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138 | collectproto->filter (collection, request, response, err, logout);
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139 | if (err != noError) {
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140 | outconvertclass text_t2ascii;
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141 | logout << text_t2ascii
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142 | << "queryaction::search_single_collections: call to QueryFilter failed "
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143 | << "for " << collection << " collection (" << get_comerror_string (err) << ")\n";
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144 | return false;
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145 | }
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146 |
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147 | define_query_macros (args, disp, response);
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148 | }
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149 |
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150 | textout << outconvert << disp << "_query:header_\n"
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151 | << "_query:content_";
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152 |
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153 | // output the results
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154 | bool use_table = is_table_content (formatlistptr);
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155 | bptr->output_section_group (response, args, collection, 0, formatlistptr,
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156 | use_table, request.fields, request.getParents,
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157 | collectproto, disp, outconvert, textout, logout);
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158 |
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159 |
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160 | textout << outconvert << disp << "_query:footer_";
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161 |
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162 | delete (formatlistptr);
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163 |
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164 | return true;
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165 | }
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