| 1 | ##########################################################################
|
|---|
| 2 | #
|
|---|
| 3 | # metadataaction.pm --
|
|---|
| 4 | # A component of the Greenstone digital library software
|
|---|
| 5 | # from the New Zealand Digital Library Project at the
|
|---|
| 6 | # University of Waikato, New Zealand.
|
|---|
| 7 | #
|
|---|
| 8 | # Copyright (C) 2009 New Zealand Digital Library Project
|
|---|
| 9 | #
|
|---|
| 10 | # This program is free software; you can redistribute it and/or modify
|
|---|
| 11 | # it under the terms of the GNU General Public License as published by
|
|---|
| 12 | # the Free Software Foundation; either version 2 of the License, or
|
|---|
| 13 | # (at your option) any later version.
|
|---|
| 14 | #
|
|---|
| 15 | # This program is distributed in the hope that it will be useful,
|
|---|
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 18 | # GNU General Public License for more details.
|
|---|
| 19 | #
|
|---|
| 20 | # You should have received a copy of the GNU General Public License
|
|---|
| 21 | # along with this program; if not, write to the Free Software
|
|---|
| 22 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|---|
| 23 | #
|
|---|
| 24 | ###########################################################################
|
|---|
| 25 |
|
|---|
| 26 | package metadataaction;
|
|---|
| 27 |
|
|---|
| 28 | use strict;
|
|---|
| 29 |
|
|---|
| 30 | use cgiactions::baseaction;
|
|---|
| 31 | use cgiactions::metadataactioncommon;
|
|---|
| 32 |
|
|---|
| 33 | use dbutil;
|
|---|
| 34 | use ghtml;
|
|---|
| 35 |
|
|---|
| 36 | use JSON;
|
|---|
| 37 |
|
|---|
| 38 | # convenient to have shorter version around
|
|---|
| 39 | my $FLDV_HISTORY_DIR = $metadataactioncommon::FLDV_HISTORY_DIR;
|
|---|
| 40 |
|
|---|
| 41 | # This class is conditionally expanded with set-metadata, remove-metadata and insert-metadata subroutines
|
|---|
| 42 | # defined in modmetadataaction.pm. The BEGIN code block determines whether the condition holds.
|
|---|
| 43 | # See
|
|---|
| 44 | # http://stackoverflow.com/questions/3998619/what-is-the-role-of-the-begin-block-in-perl
|
|---|
| 45 | # http://www.perlmonks.org/?node_id=881761 - splitting module into multiple files
|
|---|
| 46 | # http://www.perlmonks.org/?node_id=524456 - merging hashes
|
|---|
| 47 |
|
|---|
| 48 | our $modmeta_action_table; # don't init to empty hash here, else it will overwrite whatever BEGIN sets this to
|
|---|
| 49 | # see http://stackoverflow.com/questions/3998619/what-is-the-role-of-the-begin-block-in-perl
|
|---|
| 50 |
|
|---|
| 51 | BEGIN {
|
|---|
| 52 | # unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/perl-5.8");
|
|---|
| 53 | require XML::Rules;
|
|---|
| 54 |
|
|---|
| 55 | # if we're GS3, then GS3_AUTHENTICATED must be defined and set to true
|
|---|
| 56 | # in order to have access to subroutines that modify metadata (the set-
|
|---|
| 57 | # and remove- metadata subroutines).
|
|---|
| 58 | # TODO: if we're GS2, then we continue to behave as before?
|
|---|
| 59 |
|
|---|
| 60 | if(!defined $ENV{'GSDL3HOME'} || (defined $ENV{'GS3_AUTHENTICATED'} && $ENV{'GS3_AUTHENTICATED'} eq "true")) {
|
|---|
| 61 | require modmetadataaction;
|
|---|
| 62 | }
|
|---|
| 63 | else {
|
|---|
| 64 | $modmeta_action_table = {};
|
|---|
| 65 | }
|
|---|
| 66 | }
|
|---|
| 67 |
|
|---|
| 68 | @metadataaction::ISA = ('baseaction');
|
|---|
| 69 |
|
|---|
| 70 |
|
|---|
| 71 | my $getmeta_action_table =
|
|---|
| 72 | {
|
|---|
| 73 | # unused and untested
|
|---|
| 74 | # when DocEdit=1, need to retrieve a doc's full text (or doc section's full text) from archives
|
|---|
| 75 | "get-archives-text" => {
|
|---|
| 76 | 'compulsory-args' => [ "d" ],
|
|---|
| 77 | 'optional-args' => [ "dv" ] },
|
|---|
| 78 | #'compulsory-args' => [ "d" ],
|
|---|
| 79 | #'optional-args' => [ "section" ] },
|
|---|
| 80 |
|
|---|
| 81 | #GET METHODS
|
|---|
| 82 | "get-import-metadata" => {
|
|---|
| 83 | 'compulsory-args' => [ "d", "metaname" ],
|
|---|
| 84 | 'optional-args' => [ "metapos" ] },
|
|---|
| 85 |
|
|---|
| 86 | "get-archives-metadata" => {
|
|---|
| 87 | 'compulsory-args' => [ "d", "metaname" ],
|
|---|
| 88 | 'optional-args' => [ "dv", "metapos" ] },
|
|---|
| 89 |
|
|---|
| 90 | "get-index-metadata" => {
|
|---|
| 91 | 'compulsory-args' => [ "d", "metaname" ],
|
|---|
| 92 | 'optional-args' => [ "metapos" ] },
|
|---|
| 93 |
|
|---|
| 94 | "get-metadata" => { # alias for get-index-metadata
|
|---|
| 95 | 'compulsory-args' => [ "d", "metaname" ],
|
|---|
| 96 | 'optional-args' => [ "metapos" ] },
|
|---|
| 97 |
|
|---|
| 98 | "get-live-metadata" => {
|
|---|
| 99 | 'compulsory-args' => [ "d", "metaname" ],
|
|---|
| 100 | 'optional-args' => [ ] },
|
|---|
| 101 |
|
|---|
| 102 | "get-metadata-array" => { # where param can be ONE of: index (default), import, archives, live
|
|---|
| 103 | 'compulsory-args' => [ "json" ],
|
|---|
| 104 | 'optional-args' => [ "where" ],
|
|---|
| 105 | 'help-string' => [
|
|---|
| 106 | 'metadata-server.pl?a=get-metadata-array&c=demo&where=index&json=[{"docid":"HASHc5bce2d6d3e5b04e470ec9","metatable":[{"metaname":"username","metapos":"all"},{"metaname":"usertimestamp","metapos":"all"}, {"metaname":"usercomment","metapos":"all"}]}]'
|
|---|
| 107 | ]}
|
|---|
| 108 | };
|
|---|
| 109 |
|
|---|
| 110 | # To get the final action_table of all available subroutines in this class,
|
|---|
| 111 | # merge the get- and mod-metadata hashes. See http://www.perlmonks.org/?node_id=524456
|
|---|
| 112 | # Note that modmeta_action_table will be empty of subroutines if the user does not have permissions
|
|---|
| 113 | # to modify metadata.
|
|---|
| 114 | my $action_table = { %$getmeta_action_table, %$modmeta_action_table };
|
|---|
| 115 |
|
|---|
| 116 |
|
|---|
| 117 | sub new
|
|---|
| 118 | {
|
|---|
| 119 | my $class = shift (@_);
|
|---|
| 120 | my ($gsdl_cgi,$iis6_mode) = @_;
|
|---|
| 121 |
|
|---|
| 122 | # Treat metavalue specially. To transmit this through a GET request
|
|---|
| 123 | # the Javascript side has url-encoded it, so here we need to decode
|
|---|
| 124 | # it before proceeding
|
|---|
| 125 |
|
|---|
| 126 | my $url_encoded_metavalue = $gsdl_cgi->param("metavalue");
|
|---|
| 127 | my $url_decoded_metavalue = &unicode::url_decode($url_encoded_metavalue,1);
|
|---|
| 128 | #$gsdl_cgi->generate_message("@@@ metaaction new - DEBUG before utf82unicode: " . &unicode::debug_unicode_string($url_decoded_metavalue));
|
|---|
| 129 |
|
|---|
| 130 | my $unicode_array = &unicode::utf82unicode($url_decoded_metavalue);
|
|---|
| 131 |
|
|---|
| 132 | $url_decoded_metavalue = join("",map(chr($_),@$unicode_array));
|
|---|
| 133 |
|
|---|
| 134 | #$gsdl_cgi->generate_message("@@@ metaaction new - DEBUG after utf82unicode: " . &unicode::debug_unicode_string($url_decoded_metavalue));
|
|---|
| 135 |
|
|---|
| 136 | $gsdl_cgi->param("metavalue",$url_decoded_metavalue);
|
|---|
| 137 |
|
|---|
| 138 | # need to do the same with prevmetavalue
|
|---|
| 139 | my $url_encoded_prevmetavalue = $gsdl_cgi->param("prevmetavalue");
|
|---|
| 140 | my $url_decoded_prevmetavalue = &unicode::url_decode($url_encoded_prevmetavalue,1);
|
|---|
| 141 | my $prevunicode_array = &unicode::utf82unicode($url_decoded_prevmetavalue);
|
|---|
| 142 |
|
|---|
| 143 | $url_decoded_prevmetavalue = join("",map(chr($_),@$prevunicode_array));
|
|---|
| 144 | $gsdl_cgi->param("prevmetavalue",$url_decoded_prevmetavalue);
|
|---|
| 145 |
|
|---|
| 146 | my $self = new baseaction($action_table,$gsdl_cgi,$iis6_mode);
|
|---|
| 147 |
|
|---|
| 148 | return bless $self, $class;
|
|---|
| 149 | }
|
|---|
| 150 |
|
|---|
| 151 |
|
|---|
| 152 | sub get_live_metadata
|
|---|
| 153 | {
|
|---|
| 154 | my $self = shift @_;
|
|---|
| 155 |
|
|---|
| 156 | my $username = $self->{'username'};
|
|---|
| 157 | my $collect = $self->{'collect'};
|
|---|
| 158 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 159 | #my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 160 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 161 |
|
|---|
| 162 | # live metadata gets/saves value scoped (prefixed) by the current usename
|
|---|
| 163 | # so (for now) let's not bother to enforce authentication
|
|---|
| 164 |
|
|---|
| 165 | # Obtain the collect dir
|
|---|
| 166 | my $site = $self->{'site'};
|
|---|
| 167 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 168 | ## my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 169 |
|
|---|
| 170 | # No locking collection when getting metadata, only when setting it
|
|---|
| 171 | # $self->lock_collection($username, $collect); # Make sure the collection isn't locked by someone else
|
|---|
| 172 |
|
|---|
| 173 | # look up additional args
|
|---|
| 174 | my $docid = $self->{'d'};
|
|---|
| 175 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
|
|---|
| 176 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
|
|---|
| 177 | }
|
|---|
| 178 |
|
|---|
| 179 | # Generate the dbkey
|
|---|
| 180 | my $metaname = $self->{'metaname'};
|
|---|
| 181 | my $dbkey = "$docid.$metaname";
|
|---|
| 182 |
|
|---|
| 183 | # To people who know $collect_tail please add some comments
|
|---|
| 184 | # Obtain path to the database
|
|---|
| 185 | my $collect_tail = $collect;
|
|---|
| 186 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 187 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 188 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, "live-$collect_tail", $index_text_directory);
|
|---|
| 189 |
|
|---|
| 190 | # Obtain the content of the key
|
|---|
| 191 | my $cmd = "gdbmget $infodb_file_path $dbkey";
|
|---|
| 192 | if (open(GIN,"$cmd |") == 0) {
|
|---|
| 193 | # Catch error if gdbmget failed
|
|---|
| 194 | my $mess = "Failed to get metadata key: $metaname\n";
|
|---|
| 195 | $mess .= "$!\n";
|
|---|
| 196 |
|
|---|
| 197 | $gsdl_cgi->generate_error($mess);
|
|---|
| 198 | }
|
|---|
| 199 | else {
|
|---|
| 200 | binmode(GIN,":utf8");
|
|---|
| 201 | # Read everything in and concatenate them into $metavalue
|
|---|
| 202 | my $metavalue = "";
|
|---|
| 203 | my $line;
|
|---|
| 204 | while (defined ($line=<GIN>)) {
|
|---|
| 205 | $metavalue .= $line;
|
|---|
| 206 | }
|
|---|
| 207 | close(GIN);
|
|---|
| 208 | chomp($metavalue); # Get rid off the tailing newlines
|
|---|
| 209 | $gsdl_cgi->generate_ok_message("$metavalue");
|
|---|
| 210 | }
|
|---|
| 211 |
|
|---|
| 212 | # Release the lock once it is done
|
|---|
| 213 | # $self->unlock_collection($username, $collect);
|
|---|
| 214 | }
|
|---|
| 215 |
|
|---|
| 216 | # just calls the index version
|
|---|
| 217 | sub get_metadata
|
|---|
| 218 | {
|
|---|
| 219 | my $self = shift @_;
|
|---|
| 220 | $self->get_index_metadata(@_);
|
|---|
| 221 | }
|
|---|
| 222 |
|
|---|
| 223 | # JSON version that will get the requested metadata values
|
|---|
| 224 | # from the requested source (index, import, archives or live)
|
|---|
| 225 | # One of the params is a JSON string and the return value is JSON too
|
|---|
| 226 | # http://forums.asp.net/t/1844684.aspx/1 - Web api method return json in string
|
|---|
| 227 | sub get_metadata_array
|
|---|
| 228 | {
|
|---|
| 229 | my $self = shift @_;
|
|---|
| 230 |
|
|---|
| 231 | my $where = $self->{'where'};
|
|---|
| 232 | if (!$where || ($where =~ m/^\s*$/)) { # 0, "0", "" and undef are all false. All else is true.
|
|---|
| 233 | # What is truth in perl: http://www.berkeleyinternet.com/perl/node11.html
|
|---|
| 234 | # and http://www.perlmonks.org/?node_id=33638
|
|---|
| 235 |
|
|---|
| 236 | $where = "index"; # default behaviour is to get the values from index
|
|---|
| 237 | }
|
|---|
| 238 |
|
|---|
| 239 | # Only when setting metadata do we perform authentication and do we lock the collection,
|
|---|
| 240 | # not when getting metadata
|
|---|
| 241 |
|
|---|
| 242 | # for get_meta_array, the where param can only be ONE of import, archives, index, live
|
|---|
| 243 | if($where =~ m/index/) {
|
|---|
| 244 | $self->_get_index_metadata_array(@_);
|
|---|
| 245 | }
|
|---|
| 246 | elsif($where =~ m/archives/) {
|
|---|
| 247 | $self->_get_archives_metadata_array(@_);
|
|---|
| 248 | }
|
|---|
| 249 | elsif($where =~ m/import/) {
|
|---|
| 250 | $self->_get_import_metadata_array(@_);
|
|---|
| 251 | }
|
|---|
| 252 | elsif($where =~ m/live/) {
|
|---|
| 253 | $self->_get_live_metadata_array(@_);
|
|---|
| 254 | }
|
|---|
| 255 | }
|
|---|
| 256 |
|
|---|
| 257 | # Unused at present. Added for completion. Tested.
|
|---|
| 258 | sub _get_import_metadata_array {
|
|---|
| 259 |
|
|---|
| 260 | my $self = shift @_;
|
|---|
| 261 |
|
|---|
| 262 | my $collect = $self->{'collect'};
|
|---|
| 263 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 264 | my $site = $self->{'site'};
|
|---|
| 265 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 266 |
|
|---|
| 267 | # look up additional args
|
|---|
| 268 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 269 |
|
|---|
| 270 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 271 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 272 | my $json_str = $self->{'json'};
|
|---|
| 273 | my $doc_array = decode_json $json_str;
|
|---|
| 274 |
|
|---|
| 275 | my $json_result_str = "[";
|
|---|
| 276 | my $first_doc_rec = 1;
|
|---|
| 277 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 278 |
|
|---|
| 279 | my $docid = $doc_array_rec->{'docid'}; # no subsection metadata support in metadata.xml, only toplevel meta
|
|---|
| 280 |
|
|---|
| 281 | if($first_doc_rec) {
|
|---|
| 282 | $first_doc_rec = 0;
|
|---|
| 283 | } else {
|
|---|
| 284 | $json_result_str .= ",";
|
|---|
| 285 | }
|
|---|
| 286 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 287 |
|
|---|
| 288 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 289 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 290 |
|
|---|
| 291 | my $first_rec = 1;
|
|---|
| 292 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 293 |
|
|---|
| 294 | # Read the docid entry
|
|---|
| 295 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 296 | # This now stores the full pathname
|
|---|
| 297 | my $import_filename = $doc_rec->{'src-file'}->[0];
|
|---|
| 298 | $import_filename = &util::placeholders_to_abspath($import_filename);
|
|---|
| 299 |
|
|---|
| 300 | # figure out correct metadata.xml file [?]
|
|---|
| 301 | # Assuming the metadata.xml file is next to the source file
|
|---|
| 302 | # Note: This will not work if it is using the inherited metadata from the parent folder
|
|---|
| 303 | my ($import_tailname, $import_dirname) = File::Basename::fileparse($import_filename);
|
|---|
| 304 | my $metadata_xml_filename = &util::filename_cat($import_dirname, "metadata.xml");
|
|---|
| 305 |
|
|---|
| 306 |
|
|---|
| 307 | if($first_rec) {
|
|---|
| 308 | $first_rec = 0;
|
|---|
| 309 | } else {
|
|---|
| 310 | $json_result_str .= ",";
|
|---|
| 311 | }
|
|---|
| 312 |
|
|---|
| 313 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 314 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 315 |
|
|---|
| 316 | my $metapos = $metatable_rec->{'metapos'}; # 0... 1|all|undefined
|
|---|
| 317 | if(!defined $metapos) {
|
|---|
| 318 | $metapos = 0;
|
|---|
| 319 | }
|
|---|
| 320 |
|
|---|
| 321 | # Obtain the specified metadata value(s)
|
|---|
| 322 | my $metavalue;
|
|---|
| 323 |
|
|---|
| 324 | if($metapos ne "all") { # get the value at a single metapos
|
|---|
| 325 | $metavalue = $self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname);
|
|---|
| 326 |
|
|---|
| 327 | #print STDERR "**** Metafilename, metaname, metapos, sec_num: $metadata_xml_filename, $metaname, $metapos, $import_tailname\n";
|
|---|
| 328 |
|
|---|
| 329 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 330 |
|
|---|
| 331 | } else {
|
|---|
| 332 | my $first_metaval = 1;
|
|---|
| 333 | $metapos = 0;
|
|---|
| 334 | $metavalue = $self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname);
|
|---|
| 335 |
|
|---|
| 336 | while (defined $metavalue && $metavalue ne "") {
|
|---|
| 337 | if($first_metaval) {
|
|---|
| 338 | $first_metaval = 0;
|
|---|
| 339 | } else {
|
|---|
| 340 | $json_result_str .= ",";
|
|---|
| 341 | }
|
|---|
| 342 |
|
|---|
| 343 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 344 |
|
|---|
| 345 | $metapos++;
|
|---|
| 346 | $metavalue = $self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname);
|
|---|
| 347 | }
|
|---|
| 348 | }
|
|---|
| 349 |
|
|---|
| 350 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 351 | }
|
|---|
| 352 |
|
|---|
| 353 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 354 | }
|
|---|
| 355 |
|
|---|
| 356 | $json_result_str .= "]"; # close array of docids
|
|---|
| 357 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 358 | }
|
|---|
| 359 |
|
|---|
| 360 | # Unused method, but included for completion. Tested, works. Takes a JSON string and returns a JSON string.
|
|---|
| 361 | # For more information on the format of the output, see _get_index_metadata_array, which is in use.
|
|---|
| 362 | sub _get_archives_metadata_array {
|
|---|
| 363 |
|
|---|
| 364 | my $self = shift @_;
|
|---|
| 365 |
|
|---|
| 366 | my $collect = $self->{'collect'};
|
|---|
| 367 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 368 | my $site = $self->{'site'};
|
|---|
| 369 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 370 |
|
|---|
| 371 | # look up additional args
|
|---|
| 372 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 373 |
|
|---|
| 374 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 375 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 376 |
|
|---|
| 377 | my $json_str = $self->{'json'};
|
|---|
| 378 | my $doc_array = decode_json $json_str;
|
|---|
| 379 |
|
|---|
| 380 | my $json_result_str = "[";
|
|---|
| 381 | my $first_doc_rec = 1;
|
|---|
| 382 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 383 |
|
|---|
| 384 | my $docid = $doc_array_rec->{'docid'};
|
|---|
| 385 |
|
|---|
| 386 | if($first_doc_rec) {
|
|---|
| 387 | $first_doc_rec = 0;
|
|---|
| 388 | } else {
|
|---|
| 389 | $json_result_str .= ",";
|
|---|
| 390 | }
|
|---|
| 391 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 392 |
|
|---|
| 393 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 394 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 395 |
|
|---|
| 396 | my $first_rec = 1;
|
|---|
| 397 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 398 |
|
|---|
| 399 | my ($docid, $docid_secnum) = ($doc_array_rec->{'docid'} =~ m/^(.*?)(\..*)?$/);
|
|---|
| 400 | $docid_secnum = "" if (!defined $docid_secnum);
|
|---|
| 401 |
|
|---|
| 402 | # Read the docid entry
|
|---|
| 403 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 404 | # This now stores the full pathname
|
|---|
| 405 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 406 |
|
|---|
| 407 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 408 | my $dv = $self->{'dv'};
|
|---|
| 409 | if (defined $dv && ($dv ne "")) {
|
|---|
| 410 | # Need to insert '_fldv_history/nminus-<n>' into doc_filename
|
|---|
| 411 |
|
|---|
| 412 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 413 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 414 | }
|
|---|
| 415 |
|
|---|
| 416 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 417 |
|
|---|
| 418 | if($first_rec) {
|
|---|
| 419 | $first_rec = 0;
|
|---|
| 420 | } else {
|
|---|
| 421 | $json_result_str .= ",";
|
|---|
| 422 | }
|
|---|
| 423 |
|
|---|
| 424 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 425 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 426 |
|
|---|
| 427 | my $metapos = $metatable_rec->{'metapos'}; # 0... 1|all|undefined
|
|---|
| 428 | if(!defined $metapos) {
|
|---|
| 429 | $metapos = 0;
|
|---|
| 430 | }
|
|---|
| 431 |
|
|---|
| 432 |
|
|---|
| 433 | # Obtain the specified metadata value(s)
|
|---|
| 434 | my $metavalue;
|
|---|
| 435 |
|
|---|
| 436 | if($metapos ne "all") { # get the value at a single metapos
|
|---|
| 437 |
|
|---|
| 438 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum);
|
|---|
| 439 | #print STDERR "**** Docname, metaname, metapos, sec_num: $doc_filename, $metaname, $metapos, $docid_secnum\n";
|
|---|
| 440 |
|
|---|
| 441 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 442 |
|
|---|
| 443 | } else {
|
|---|
| 444 | my $first_metaval = 1;
|
|---|
| 445 | $metapos = 0;
|
|---|
| 446 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum);
|
|---|
| 447 |
|
|---|
| 448 | while (defined $metavalue && $metavalue ne "") {
|
|---|
| 449 | if($first_metaval) {
|
|---|
| 450 | $first_metaval = 0;
|
|---|
| 451 | } else {
|
|---|
| 452 | $json_result_str .= ",";
|
|---|
| 453 | }
|
|---|
| 454 |
|
|---|
| 455 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 456 |
|
|---|
| 457 | $metapos++;
|
|---|
| 458 | $metavalue = $self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum);
|
|---|
| 459 | }
|
|---|
| 460 | }
|
|---|
| 461 |
|
|---|
| 462 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 463 | }
|
|---|
| 464 |
|
|---|
| 465 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 466 | }
|
|---|
| 467 |
|
|---|
| 468 | $json_result_str .= "]"; # close array of docids
|
|---|
| 469 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 470 | }
|
|---|
| 471 |
|
|---|
| 472 |
|
|---|
| 473 | # Unused at present. Added for completion. Tested, but not sure if it retrieves metadata in the manner it's expected to.
|
|---|
| 474 | sub _get_live_metadata_array
|
|---|
| 475 | {
|
|---|
| 476 | my $self = shift @_;
|
|---|
| 477 |
|
|---|
| 478 | my $collect = $self->{'collect'};
|
|---|
| 479 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 480 | my $site = $self->{'site'};
|
|---|
| 481 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 482 |
|
|---|
| 483 | # look up additional args
|
|---|
| 484 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 485 |
|
|---|
| 486 | # To people who know $collect_tail please add some comments
|
|---|
| 487 | # Obtain the path to the database
|
|---|
| 488 | my $collect_tail = $collect;
|
|---|
| 489 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 490 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 491 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, "live-$collect_tail", $index_text_directory);
|
|---|
| 492 |
|
|---|
| 493 | my $json_str = $self->{'json'};
|
|---|
| 494 | my $doc_array = decode_json $json_str;
|
|---|
| 495 |
|
|---|
| 496 | my $json_result_str = "[";
|
|---|
| 497 | my $first_doc_rec = 1;
|
|---|
| 498 |
|
|---|
| 499 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 500 |
|
|---|
| 501 | my $docid = $doc_array_rec->{'docid'};
|
|---|
| 502 |
|
|---|
| 503 | if($first_doc_rec) {
|
|---|
| 504 | $first_doc_rec = 0;
|
|---|
| 505 | } else {
|
|---|
| 506 | $json_result_str .= ",";
|
|---|
| 507 | }
|
|---|
| 508 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 509 |
|
|---|
| 510 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 511 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 512 |
|
|---|
| 513 | my $first_rec = 1;
|
|---|
| 514 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 515 | if($first_rec) {
|
|---|
| 516 | $first_rec = 0;
|
|---|
| 517 | } else {
|
|---|
| 518 | $json_result_str .= ",";
|
|---|
| 519 | }
|
|---|
| 520 |
|
|---|
| 521 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 522 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 523 |
|
|---|
| 524 | # Generate the dbkey
|
|---|
| 525 | my $dbkey = "$docid.$metaname";
|
|---|
| 526 |
|
|---|
| 527 | # metapos for get_live_metadata is always assumed to be "all".
|
|---|
| 528 | # It's always going to get all the lines of metavalues associated with a metaname
|
|---|
| 529 | # (It's the metaname itself that should contain an increment number, if there are to be multiple values).
|
|---|
| 530 | #my $metapos = "all";
|
|---|
| 531 | my $metapos = $metatable_rec->{'metapos'} || 0; # Can be 0... 1|all|undefined. Defaults to 0 if undefined/false
|
|---|
| 532 | my $metavalue = "";
|
|---|
| 533 |
|
|---|
| 534 | # Obtain the content of the key
|
|---|
| 535 | my $cmd = "gdbmget $infodb_file_path $dbkey";
|
|---|
| 536 | if (open(GIN,"$cmd |") != 0) { # Success.
|
|---|
| 537 |
|
|---|
| 538 | binmode(GIN,":utf8");
|
|---|
| 539 | # Read everything in and concatenate them into $metavalue
|
|---|
| 540 | my $line;
|
|---|
| 541 | my $first_metaval = 1;
|
|---|
| 542 | my $pos = 0;
|
|---|
| 543 | while (defined ($line=<GIN>)) {
|
|---|
| 544 | chomp($line); # Get rid off the tailing newlines
|
|---|
| 545 |
|
|---|
| 546 | if($metapos eq "all") {
|
|---|
| 547 | if($first_metaval) {
|
|---|
| 548 | $first_metaval = 0;
|
|---|
| 549 | } else {
|
|---|
| 550 | $json_result_str .= ",";
|
|---|
| 551 | }
|
|---|
| 552 | $metavalue = $line;
|
|---|
| 553 | $json_result_str .= "{\"metapos\":\"$pos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 554 | } elsif($metapos == $pos) {
|
|---|
| 555 | $metavalue = $line;
|
|---|
| 556 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 557 | last;
|
|---|
| 558 | } # else, the current $pos is not the required $metapos
|
|---|
| 559 | $pos += 1;
|
|---|
| 560 | }
|
|---|
| 561 | close(GIN);
|
|---|
| 562 | } # else open cmd == 0 (failed) and metavals array will be empty [] for this metaname
|
|---|
| 563 |
|
|---|
| 564 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 565 | }
|
|---|
| 566 |
|
|---|
| 567 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 568 | }
|
|---|
| 569 |
|
|---|
| 570 | $json_result_str .= "]"; # close array of docids
|
|---|
| 571 |
|
|---|
| 572 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 573 | }
|
|---|
| 574 |
|
|---|
| 575 |
|
|---|
| 576 | # Takes a JSON string and returns a JSON string
|
|---|
| 577 | # Request string is of the form:
|
|---|
| 578 | # http://localhost:8283/greenstone/cgi-bin/metadata-server.pl?a=get-metadata-array&c=demo&where=index&json=[{"docid":"HASHc5bce2d6d3e5b04e470ec9","metatable":[{"metaname":"username","metapos":"all"},{"metaname":"usertimestamp","metapos":"all"}, {"metaname":"usercomment","metapos":"all"}]}]
|
|---|
| 579 | # Resulting string is of the form:
|
|---|
| 580 | # [{"docid":"HASHc5bce2d6d3e5b04e470ec9","metatable":[{"metaname":"username","metavals":[{"metapos":"0","metavalue":"me"},{"metapos":"1","metavalue":"admin"}]},{"metaname":"usertimestamp","metavals":[{"metapos":"0","metavalue":"1367900586888"},{"metapos":"1","metavalue":"1367900616574"}]},{"metaname":"usercomment","metavals":[{"metapos":"0","metavalue":"Hi"},{"metapos":"1","metavalue":"Hello"}]}]}]
|
|---|
| 581 | sub _get_index_metadata_array
|
|---|
| 582 | {
|
|---|
| 583 | my $self = shift @_;
|
|---|
| 584 |
|
|---|
| 585 | my $collect = $self->{'collect'};
|
|---|
| 586 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 587 | my $site = $self->{'site'};
|
|---|
| 588 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 589 |
|
|---|
| 590 | # look up additional args
|
|---|
| 591 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 592 |
|
|---|
| 593 | # To people who know $collect_tail please add some comments
|
|---|
| 594 | # Obtain the path to the database
|
|---|
| 595 | my $collect_tail = $collect;
|
|---|
| 596 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 597 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 598 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, $collect_tail, $index_text_directory);
|
|---|
| 599 |
|
|---|
| 600 | my $json_str = $self->{'json'};
|
|---|
| 601 | my $doc_array = decode_json $json_str;
|
|---|
| 602 |
|
|---|
| 603 | my $json_result_str = "[";
|
|---|
| 604 | my $first_doc_rec = 1;
|
|---|
| 605 |
|
|---|
| 606 | foreach my $doc_array_rec ( @$doc_array ) {
|
|---|
| 607 |
|
|---|
| 608 | my $docid = $doc_array_rec->{'docid'};
|
|---|
| 609 |
|
|---|
| 610 | if($first_doc_rec) {
|
|---|
| 611 | $first_doc_rec = 0;
|
|---|
| 612 | } else {
|
|---|
| 613 | $json_result_str .= ",";
|
|---|
| 614 | }
|
|---|
| 615 | $json_result_str = $json_result_str . "{\"docid\":\"" . $docid . "\"";
|
|---|
| 616 |
|
|---|
| 617 | my $metatable = $doc_array_rec->{'metatable'}; # a subarray, or need to generate an error saying JSON structure is wrong
|
|---|
| 618 | $json_result_str = $json_result_str . ",\"metatable\":[";
|
|---|
| 619 |
|
|---|
| 620 | my $first_rec = 1;
|
|---|
| 621 | foreach my $metatable_rec ( @$metatable ) { # the subarray metatable is an array of hashmaps
|
|---|
| 622 | if($first_rec) {
|
|---|
| 623 | $first_rec = 0;
|
|---|
| 624 | } else {
|
|---|
| 625 | $json_result_str .= ",";
|
|---|
| 626 | }
|
|---|
| 627 |
|
|---|
| 628 | my $metaname = $metatable_rec->{'metaname'};
|
|---|
| 629 | $json_result_str .= "{\"metaname\":\"$metaname\",\"metavals\":[";
|
|---|
| 630 |
|
|---|
| 631 | my $metapos = $metatable_rec->{'metapos'}; # 0... 1|all|undefined
|
|---|
| 632 | if(!defined $metapos) {
|
|---|
| 633 | $metapos = 0;
|
|---|
| 634 | }
|
|---|
| 635 |
|
|---|
| 636 | # Read the docid entry
|
|---|
| 637 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $infodb_file_path, $docid);
|
|---|
| 638 |
|
|---|
| 639 | # Basically loop through and unescape_html the values
|
|---|
| 640 | foreach my $k (keys %$doc_rec) {
|
|---|
| 641 | my @escaped_v = ();
|
|---|
| 642 | foreach my $v (@{$doc_rec->{$k}}) {
|
|---|
| 643 | my $ev = &ghtml::unescape_html($v);
|
|---|
| 644 | push(@escaped_v, $ev);
|
|---|
| 645 | }
|
|---|
| 646 | $doc_rec->{$k} = \@escaped_v;
|
|---|
| 647 | }
|
|---|
| 648 |
|
|---|
| 649 | # Obtain the specified metadata value(s)
|
|---|
| 650 | my $metavalue;
|
|---|
| 651 |
|
|---|
| 652 | if($metapos ne "all") { # get the value at a single metapos
|
|---|
| 653 |
|
|---|
| 654 | $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 655 |
|
|---|
| 656 | # protect any double quotes and colons in the metavalue before putting it into JSON
|
|---|
| 657 | $metavalue =~ s/\"/"/g if defined $metavalue;
|
|---|
| 658 | $metavalue =~ s/\:/&58;/g if defined $metavalue;
|
|---|
| 659 |
|
|---|
| 660 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 661 |
|
|---|
| 662 | } else {
|
|---|
| 663 | my $first_metaval = 1;
|
|---|
| 664 | $metapos = 0;
|
|---|
| 665 | $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 666 |
|
|---|
| 667 | while (defined $metavalue) {
|
|---|
| 668 |
|
|---|
| 669 | # protect any double quotes and colons in the metavalue before putting it into JSON
|
|---|
| 670 | $metavalue =~ s/\"/"/g;
|
|---|
| 671 | $metavalue =~ s/\:/&58;/g;
|
|---|
| 672 |
|
|---|
| 673 | if($first_metaval) {
|
|---|
| 674 | $first_metaval = 0;
|
|---|
| 675 | } else {
|
|---|
| 676 | $json_result_str .= ",";
|
|---|
| 677 | }
|
|---|
| 678 |
|
|---|
| 679 | $json_result_str .= "{\"metapos\":\"$metapos\",\"metavalue\":\"$metavalue\"}";
|
|---|
| 680 |
|
|---|
| 681 | $metapos++;
|
|---|
| 682 | $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 683 | }
|
|---|
| 684 | }
|
|---|
| 685 |
|
|---|
| 686 | $json_result_str .= "]}"; # close metavals array and metatable record
|
|---|
| 687 | }
|
|---|
| 688 |
|
|---|
| 689 | $json_result_str .= "]}"; # close metatable array and docid record
|
|---|
| 690 | }
|
|---|
| 691 |
|
|---|
| 692 | $json_result_str .= "]"; # close array of docids
|
|---|
| 693 |
|
|---|
| 694 | $gsdl_cgi->generate_ok_message($json_result_str."\n");
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 |
|
|---|
| 698 | sub get_index_metadata
|
|---|
| 699 | {
|
|---|
| 700 | my $self = shift @_;
|
|---|
| 701 |
|
|---|
| 702 | my $username = $self->{'username'};
|
|---|
| 703 | my $collect = $self->{'collect'};
|
|---|
| 704 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 705 | #my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 706 |
|
|---|
| 707 | # Obtain the collect dir
|
|---|
| 708 | my $site = $self->{'site'};
|
|---|
| 709 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 710 | ##my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 711 |
|
|---|
| 712 | # look up additional args
|
|---|
| 713 | my $docid = $self->{'d'};
|
|---|
| 714 | my $metaname = $self->{'metaname'};
|
|---|
| 715 | my $metapos = $self->{'metapos'};
|
|---|
| 716 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 717 |
|
|---|
| 718 | # To people who know $collect_tail please add some comments
|
|---|
| 719 | # Obtain path to the database
|
|---|
| 720 | my $collect_tail = $collect;
|
|---|
| 721 | $collect_tail =~ s/^.*[\/|\\]//;
|
|---|
| 722 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 723 | my $infodb_file_path = &dbutil::get_infodb_file_path($infodbtype, $collect_tail, $index_text_directory);
|
|---|
| 724 |
|
|---|
| 725 | # Read the docid entry
|
|---|
| 726 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $infodb_file_path, $docid);
|
|---|
| 727 |
|
|---|
| 728 | # Basically loop through and unescape_html the values
|
|---|
| 729 | foreach my $k (keys %$doc_rec) {
|
|---|
| 730 | my @escaped_v = ();
|
|---|
| 731 | foreach my $v (@{$doc_rec->{$k}}) {
|
|---|
| 732 | my $ev = &ghtml::unescape_html($v);
|
|---|
| 733 | push(@escaped_v, $ev);
|
|---|
| 734 | }
|
|---|
| 735 | $doc_rec->{$k} = \@escaped_v;
|
|---|
| 736 | }
|
|---|
| 737 |
|
|---|
| 738 | # Obtain the specified metadata value
|
|---|
| 739 | $metapos = 0 if (!defined $metapos || ($metapos =~ m/^\s*$/));
|
|---|
| 740 | my $metavalue = $doc_rec->{$metaname}->[$metapos];
|
|---|
| 741 | $gsdl_cgi->generate_ok_message("$metavalue");
|
|---|
| 742 |
|
|---|
| 743 | }
|
|---|
| 744 |
|
|---|
| 745 |
|
|---|
| 746 | sub get_import_metadata
|
|---|
| 747 | {
|
|---|
| 748 | my $self = shift @_;
|
|---|
| 749 |
|
|---|
| 750 | my $username = $self->{'username'};
|
|---|
| 751 | my $collect = $self->{'collect'};
|
|---|
| 752 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 753 | #my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 754 |
|
|---|
| 755 | # Obtain the collect dir
|
|---|
| 756 | my $site = $self->{'site'};
|
|---|
| 757 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 758 | ##my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 759 |
|
|---|
| 760 | # look up additional args
|
|---|
| 761 | my $docid = $self->{'d'};
|
|---|
| 762 | my $metaname = $self->{'metaname'};
|
|---|
| 763 | my $metapos = $self->{'metapos'};
|
|---|
| 764 | $metapos = 0 if (!defined $metapos || ($metapos =~ m/^\s*$/)); # gets the first value by default since metapos defaults to 0
|
|---|
| 765 |
|
|---|
| 766 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 767 | if (!defined $docid)
|
|---|
| 768 | {
|
|---|
| 769 | $gsdl_cgi->generate_error("No docid (d=...) specified.\n");
|
|---|
| 770 | }
|
|---|
| 771 |
|
|---|
| 772 | # Obtain where the metadata.xml is from the archiveinfo-doc.gdb file
|
|---|
| 773 | # If the doc oid is not specified, we assume the metadata.xml is next to the specified "f"
|
|---|
| 774 | my $metadata_xml_file;
|
|---|
| 775 | my $import_filename = undef;
|
|---|
| 776 |
|
|---|
| 777 |
|
|---|
| 778 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 779 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 780 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 781 |
|
|---|
| 782 | # This now stores the full pathname
|
|---|
| 783 | $import_filename = $doc_rec->{'src-file'}->[0];
|
|---|
| 784 | $import_filename = &util::placeholders_to_abspath($import_filename);
|
|---|
| 785 |
|
|---|
| 786 | # figure out correct metadata.xml file [?]
|
|---|
| 787 | # Assuming the metadata.xml file is next to the source file
|
|---|
| 788 | # Note: This will not work if it is using the inherited metadata from the parent folder
|
|---|
| 789 | my ($import_tailname, $import_dirname) = File::Basename::fileparse($import_filename);
|
|---|
| 790 | my $metadata_xml_filename = &util::filename_cat($import_dirname, "metadata.xml");
|
|---|
| 791 |
|
|---|
| 792 | $gsdl_cgi->generate_ok_message($self->get_metadata_from_metadata_xml($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $import_tailname));
|
|---|
| 793 |
|
|---|
| 794 | }
|
|---|
| 795 |
|
|---|
| 796 | sub get_metadata_from_metadata_xml
|
|---|
| 797 | {
|
|---|
| 798 | my $self = shift @_;
|
|---|
| 799 | my ($gsdl_cgi, $metadata_xml_filename, $metaname, $metapos, $src_file) = @_;
|
|---|
| 800 |
|
|---|
| 801 | my @rules =
|
|---|
| 802 | (
|
|---|
| 803 | _default => 'raw',
|
|---|
| 804 | 'Metadata' => \&gfmxml_metadata,
|
|---|
| 805 | 'FileName' => \&mxml_filename
|
|---|
| 806 | );
|
|---|
| 807 |
|
|---|
| 808 | my $parser = XML::Rules->new
|
|---|
| 809 | (
|
|---|
| 810 | rules => \@rules,
|
|---|
| 811 | output_encoding => 'utf8'
|
|---|
| 812 | );
|
|---|
| 813 |
|
|---|
| 814 | my $xml_in = "";
|
|---|
| 815 | if (!open(MIN,"<$metadata_xml_filename"))
|
|---|
| 816 | {
|
|---|
| 817 | $gsdl_cgi->generate_error("Unable to read in $metadata_xml_filename: $!");
|
|---|
| 818 | }
|
|---|
| 819 | else
|
|---|
| 820 | {
|
|---|
| 821 | # Read them in
|
|---|
| 822 | my $line;
|
|---|
| 823 | while (defined ($line=<MIN>)) {
|
|---|
| 824 | $xml_in .= $line;
|
|---|
| 825 | }
|
|---|
| 826 | close(MIN);
|
|---|
| 827 |
|
|---|
| 828 | $parser->parse($xml_in, {metaname => $metaname, metapos => $metapos, src_file => $src_file});
|
|---|
| 829 |
|
|---|
| 830 | if(defined $parser->{'pad'}->{'metavalue'})
|
|---|
| 831 | {
|
|---|
| 832 | return $parser->{'pad'}->{'metavalue'};
|
|---|
| 833 | }
|
|---|
| 834 | else
|
|---|
| 835 | {
|
|---|
| 836 | return "";
|
|---|
| 837 | }
|
|---|
| 838 | }
|
|---|
| 839 | }
|
|---|
| 840 |
|
|---|
| 841 | sub gfmxml_metadata
|
|---|
| 842 | {
|
|---|
| 843 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 844 |
|
|---|
| 845 | # no subsection support yet in metadata.xml
|
|---|
| 846 |
|
|---|
| 847 | if (($parser->{'parameters'}->{'src_file'} eq $parser->{'parameters'}->{'current_file'}) && $parser->{'parameters'}->{'metaname'} eq $attrHash->{'name'})
|
|---|
| 848 | {
|
|---|
| 849 | if (!defined $parser->{'parameters'}->{'poscount'})
|
|---|
| 850 | {
|
|---|
| 851 | $parser->{'parameters'}->{'poscount'} = 0;
|
|---|
| 852 | }
|
|---|
| 853 | else
|
|---|
| 854 | {
|
|---|
| 855 | $parser->{'parameters'}->{'poscount'}++;
|
|---|
| 856 | }
|
|---|
| 857 |
|
|---|
| 858 | # gets the first value by default, since metapos defaults to 0
|
|---|
| 859 | if (($parser->{'parameters'}->{'poscount'} == $parser->{'parameters'}->{'metapos'}))
|
|---|
| 860 | {
|
|---|
| 861 | if($parser->{'parameters'}->{'metapos'} > 0) {
|
|---|
| 862 | print STDERR "@@@@ WARNING: non-zero metapos.\n";
|
|---|
| 863 | print STDERR "@@@@ Assuming SIMPLE collection and proceeding to retrieve the import meta at position: ".$parser->{'parameters'}->{'metapos'}.".\n";
|
|---|
| 864 | }
|
|---|
| 865 | $parser->{'pad'}->{'metavalue'} = $attrHash->{'_content'};
|
|---|
| 866 | }
|
|---|
| 867 | }
|
|---|
| 868 | }
|
|---|
| 869 |
|
|---|
| 870 | sub mxml_filename
|
|---|
| 871 | {
|
|---|
| 872 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 873 |
|
|---|
| 874 | # Store the filename of the Current Fileset
|
|---|
| 875 | # Note: According to http://greenstone.org/dtd/DirectoryMetadata/1.0/DirectoryMetadata.dtd
|
|---|
| 876 | # FileName tag must come before Description tag
|
|---|
| 877 | $parser->{'parameters'}->{'current_file'} = $attrHash->{'_content'};
|
|---|
| 878 |
|
|---|
| 879 | # RAW is [$tagname => $attrHash] not $tagname => $attrHash!!
|
|---|
| 880 | return [$tagname => $attrHash];
|
|---|
| 881 | }
|
|---|
| 882 |
|
|---|
| 883 | sub get_archives_metadata
|
|---|
| 884 | {
|
|---|
| 885 | my $self = shift @_;
|
|---|
| 886 |
|
|---|
| 887 | my $username = $self->{'username'};
|
|---|
| 888 | my $collect = $self->{'collect'};
|
|---|
| 889 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 890 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 891 |
|
|---|
| 892 | # Obtain the collect dir
|
|---|
| 893 | my $site = $self->{'site'};
|
|---|
| 894 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 895 |
|
|---|
| 896 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 897 |
|
|---|
| 898 | # look up additional args
|
|---|
| 899 | my ($docid, $docid_secnum) = ($self->{'d'} =~ m/^(.*?)(\..*)?$/);
|
|---|
| 900 | $docid_secnum = "" if (!defined $docid_secnum);
|
|---|
| 901 |
|
|---|
| 902 | my $metaname = $self->{'metaname'};
|
|---|
| 903 | my $metapos = $self->{'metapos'};
|
|---|
| 904 | $metapos = 0 if (!defined $metapos || ($metapos =~ m/^\s*$/));
|
|---|
| 905 |
|
|---|
| 906 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 907 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 908 |
|
|---|
| 909 | # This now stores the full pathname
|
|---|
| 910 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 911 |
|
|---|
| 912 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 913 | my $dv = $self->{'dv'};
|
|---|
| 914 | if (defined $dv && ($dv ne "")) {
|
|---|
| 915 | # Need to insert '_fldv_history/nminus-<n>' into doc_filename
|
|---|
| 916 |
|
|---|
| 917 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 918 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 919 | }
|
|---|
| 920 |
|
|---|
| 921 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 922 |
|
|---|
| 923 | $gsdl_cgi->generate_ok_message($self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum));
|
|---|
| 924 |
|
|---|
| 925 | }
|
|---|
| 926 |
|
|---|
| 927 | # unused and untested
|
|---|
| 928 | sub get_archives_text
|
|---|
| 929 | {
|
|---|
| 930 | my $self = shift @_;
|
|---|
| 931 |
|
|---|
| 932 | my $username = $self->{'username'};
|
|---|
| 933 | my $collect = $self->{'collect'};
|
|---|
| 934 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 935 | my $infodbtype = $self->{'infodbtype'};
|
|---|
| 936 |
|
|---|
| 937 | # Obtain the collect dir
|
|---|
| 938 | my $site = $self->{'site'};
|
|---|
| 939 | my $collect_dir = $gsdl_cgi->get_collection_dir($site);
|
|---|
| 940 |
|
|---|
| 941 | my $archive_dir = &util::filename_cat($collect_dir, $collect, "archives");
|
|---|
| 942 |
|
|---|
| 943 | # look up additional args
|
|---|
| 944 | my ($docid, $docid_secnum) = ($self->{'d'} =~ m/^(.*?)(\..*)?$/);
|
|---|
| 945 | $docid_secnum = "" if (!defined $docid_secnum);
|
|---|
| 946 |
|
|---|
| 947 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path($infodbtype, "archiveinf-doc", $archive_dir);
|
|---|
| 948 | my $doc_rec = &dbutil::read_infodb_entry($infodbtype, $arcinfo_doc_filename, $docid);
|
|---|
| 949 |
|
|---|
| 950 | # This now stores the full pathname
|
|---|
| 951 | my $doc_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 952 |
|
|---|
| 953 | # check if request if for file-level doc-version history 'nminus-<n>' version
|
|---|
| 954 | my $dv = $self->{'dv'};
|
|---|
| 955 | if (defined $dv && ($dv ne "")) {
|
|---|
| 956 | # Need to insert '_fldv_history/nminus-<n>' into doc_filename
|
|---|
| 957 |
|
|---|
| 958 | my ($doc_tailname, $doc_dirname) = File::Basename::fileparse($doc_file);
|
|---|
| 959 | $doc_file = &util::filename_cat($doc_dirname,$FLDV_HISTORY_DIR,$dv,$doc_tailname);
|
|---|
| 960 | }
|
|---|
| 961 |
|
|---|
| 962 | my $doc_filename = &util::filename_cat($archive_dir, $doc_file);
|
|---|
| 963 |
|
|---|
| 964 | my $metaname = undef;
|
|---|
| 965 | my $metapos = -1;
|
|---|
| 966 |
|
|---|
| 967 | $gsdl_cgi->generate_ok_message($self->get_metadata_from_archive_xml($gsdl_cgi, $doc_filename, $metaname, $metapos, $docid_secnum));
|
|---|
| 968 |
|
|---|
| 969 | }
|
|---|
| 970 |
|
|---|
| 971 | sub get_metadata_from_archive_xml
|
|---|
| 972 | {
|
|---|
| 973 | my $self = shift @_;
|
|---|
| 974 | my ($gsdl_cgi, $doc_xml_filename, $metaname, $metapos, $secid) = @_;
|
|---|
| 975 |
|
|---|
| 976 | my @start_rules = ('Section' => \&dxml_start_section);
|
|---|
| 977 |
|
|---|
| 978 | my @rules =
|
|---|
| 979 | (
|
|---|
| 980 | _default => 'raw',
|
|---|
| 981 | 'Metadata' => \&gfdxml_metadata
|
|---|
| 982 | );
|
|---|
| 983 |
|
|---|
| 984 | my $parser = XML::Rules->new
|
|---|
| 985 | (
|
|---|
| 986 | start_rules => \@start_rules,
|
|---|
| 987 | rules => \@rules,
|
|---|
| 988 | output_encoding => 'utf8'
|
|---|
| 989 | );
|
|---|
| 990 |
|
|---|
| 991 | my $xml_in = "";
|
|---|
| 992 | if (!open(MIN,"<$doc_xml_filename"))
|
|---|
| 993 | {
|
|---|
| 994 | $gsdl_cgi->generate_error("Unable to read in $doc_xml_filename: $!");
|
|---|
| 995 | }
|
|---|
| 996 | else
|
|---|
| 997 | {
|
|---|
| 998 | # Read them in
|
|---|
| 999 | my $line;
|
|---|
| 1000 | while (defined ($line=<MIN>)) {
|
|---|
| 1001 | $xml_in .= $line;
|
|---|
| 1002 | }
|
|---|
| 1003 | close(MIN);
|
|---|
| 1004 |
|
|---|
| 1005 | $parser->parse($xml_in, {metaname => $metaname, metapos => $metapos, secid => $secid});
|
|---|
| 1006 |
|
|---|
| 1007 | if(defined $parser->{'pad'}->{'metavalue'})
|
|---|
| 1008 | {
|
|---|
| 1009 | return $parser->{'pad'}->{'metavalue'};
|
|---|
| 1010 | }
|
|---|
| 1011 | else
|
|---|
| 1012 | {
|
|---|
| 1013 | return "";
|
|---|
| 1014 | }
|
|---|
| 1015 | }
|
|---|
| 1016 | }
|
|---|
| 1017 |
|
|---|
| 1018 | # unused and untested
|
|---|
| 1019 | sub get_text_from_archive_xml
|
|---|
| 1020 | {
|
|---|
| 1021 | my $self = shift @_;
|
|---|
| 1022 | my ($gsdl_cgi, $doc_xml_filename, $secid) = @_;
|
|---|
| 1023 |
|
|---|
| 1024 | # To monitor which section/subsection number we are in
|
|---|
| 1025 | my @start_rules = ('Section' => \&dxml_start_section);
|
|---|
| 1026 |
|
|---|
| 1027 | # set the callback functions for the elements in doc.xml we're interested in, <Content>
|
|---|
| 1028 | my @rules =
|
|---|
| 1029 | (
|
|---|
| 1030 | _default => 'raw',
|
|---|
| 1031 | 'Content' => \&gfdxml_text # gfdxml = get from doc xml?
|
|---|
| 1032 | );
|
|---|
| 1033 |
|
|---|
| 1034 | my $parser = XML::Rules->new
|
|---|
| 1035 | (
|
|---|
| 1036 | start_rules => \@start_rules,
|
|---|
| 1037 | rules => \@rules,
|
|---|
| 1038 | output_encoding => 'utf8'
|
|---|
| 1039 | );
|
|---|
| 1040 |
|
|---|
| 1041 | my $xml_in = "";
|
|---|
| 1042 | if (!open(MIN,"<$doc_xml_filename"))
|
|---|
| 1043 | {
|
|---|
| 1044 | $gsdl_cgi->generate_error("Unable to read in $doc_xml_filename: $!");
|
|---|
| 1045 | }
|
|---|
| 1046 | else
|
|---|
| 1047 | {
|
|---|
| 1048 | # Read them in
|
|---|
| 1049 | my $line;
|
|---|
| 1050 | while (defined ($line=<MIN>)) {
|
|---|
| 1051 | $xml_in .= $line;
|
|---|
| 1052 | }
|
|---|
| 1053 | close(MIN);
|
|---|
| 1054 |
|
|---|
| 1055 | $parser->parse($xml_in, {secid => $secid});
|
|---|
| 1056 |
|
|---|
| 1057 | if(defined $parser->{'pad'}->{'textcontent'})
|
|---|
| 1058 | {
|
|---|
| 1059 | return $parser->{'pad'}->{'textcontent'};
|
|---|
| 1060 | }
|
|---|
| 1061 | else
|
|---|
| 1062 | {
|
|---|
| 1063 | return "";
|
|---|
| 1064 | }
|
|---|
| 1065 | }
|
|---|
| 1066 | }
|
|---|
| 1067 |
|
|---|
| 1068 | sub gfdxml_metadata
|
|---|
| 1069 | {
|
|---|
| 1070 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 1071 |
|
|---|
| 1072 | if(!($parser->{'parameters'}->{'secid'} eq $parser->{'parameters'}->{'curr_section_num'}))
|
|---|
| 1073 | {
|
|---|
| 1074 | return;
|
|---|
| 1075 | }
|
|---|
| 1076 |
|
|---|
| 1077 | if ($parser->{'parameters'}->{'metaname'} eq $attrHash->{'name'})
|
|---|
| 1078 | {
|
|---|
| 1079 | if (!defined $parser->{'parameters'}->{'poscount'})
|
|---|
| 1080 | {
|
|---|
| 1081 | $parser->{'parameters'}->{'poscount'} = 0;
|
|---|
| 1082 | }
|
|---|
| 1083 | else
|
|---|
| 1084 | {
|
|---|
| 1085 | $parser->{'parameters'}->{'poscount'}++;
|
|---|
| 1086 | }
|
|---|
| 1087 | }
|
|---|
| 1088 |
|
|---|
| 1089 | if (($parser->{'parameters'}->{'metaname'} eq $attrHash->{'name'}) && ($parser->{'parameters'}->{'poscount'} == $parser->{'parameters'}->{'metapos'}))
|
|---|
| 1090 | {
|
|---|
| 1091 | $parser->{'pad'}->{'metavalue'} = $attrHash->{'_content'};
|
|---|
| 1092 | }
|
|---|
| 1093 | }
|
|---|
| 1094 |
|
|---|
| 1095 | # unused and untested - for get_archives_text
|
|---|
| 1096 | sub gfdxml_text
|
|---|
| 1097 | {
|
|---|
| 1098 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 1099 |
|
|---|
| 1100 | if($parser->{'parameters'}->{'secid'} eq $parser->{'parameters'}->{'curr_section_num'})
|
|---|
| 1101 | {
|
|---|
| 1102 | $parser->{'pad'}->{'textcontent'} = $attrHash->{'_content'}; # the textnode content
|
|---|
| 1103 |
|
|---|
| 1104 | }
|
|---|
| 1105 | else {
|
|---|
| 1106 | return;
|
|---|
| 1107 | }
|
|---|
| 1108 | }
|
|---|
| 1109 |
|
|---|
| 1110 | sub dxml_start_section
|
|---|
| 1111 | {
|
|---|
| 1112 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 1113 |
|
|---|
| 1114 | my $new_depth = scalar(@$contextArray);
|
|---|
| 1115 |
|
|---|
| 1116 | # print STDERR "**** START SECTION \n";
|
|---|
| 1117 |
|
|---|
| 1118 | if ($new_depth == 1) {
|
|---|
| 1119 | $parser->{'parameters'}->{'curr_section_depth'} = 1;
|
|---|
| 1120 | $parser->{'parameters'}->{'curr_section_num'} = "";
|
|---|
| 1121 | }
|
|---|
| 1122 |
|
|---|
| 1123 | my $old_depth = $parser->{'parameters'}->{'curr_section_depth'};
|
|---|
| 1124 | my $old_secnum = $parser->{'parameters'}->{'curr_section_num'};
|
|---|
| 1125 |
|
|---|
| 1126 | my $new_secnum;
|
|---|
| 1127 |
|
|---|
| 1128 | if ($new_depth > $old_depth) {
|
|---|
| 1129 | # child subsection
|
|---|
| 1130 | $new_secnum = "$old_secnum.1";
|
|---|
| 1131 | }
|
|---|
| 1132 | elsif ($new_depth == $old_depth) {
|
|---|
| 1133 | # sibling section => increase its value by 1
|
|---|
| 1134 | my ($tail_num) = ($old_secnum =~ m/\.(\d+)$/);
|
|---|
| 1135 | $tail_num++;
|
|---|
| 1136 | $new_secnum = $old_secnum;
|
|---|
| 1137 | $new_secnum =~ s/\.(\d+)$/\.$tail_num/;
|
|---|
| 1138 | }
|
|---|
| 1139 | else {
|
|---|
| 1140 | # back up to parent section => lop off tail
|
|---|
| 1141 | $new_secnum = $old_secnum;
|
|---|
| 1142 | $new_secnum =~ s/\.\d+$//;
|
|---|
| 1143 | # remember to increment from parent section
|
|---|
| 1144 | my ($tail_num) = ($new_secnum =~ m/\.(\d+)$/);
|
|---|
| 1145 | $tail_num++;
|
|---|
| 1146 | $new_secnum =~ s/\.(\d+)$/\.$tail_num/;
|
|---|
| 1147 | }
|
|---|
| 1148 |
|
|---|
| 1149 | $parser->{'parameters'}->{'curr_section_depth'} = $new_depth;
|
|---|
| 1150 | $parser->{'parameters'}->{'curr_section_num'} = $new_secnum;
|
|---|
| 1151 |
|
|---|
| 1152 | #print STDERR "**** START SECTION - $new_secnum\n************************\n\n";
|
|---|
| 1153 | 1;
|
|---|
| 1154 | }
|
|---|
| 1155 |
|
|---|
| 1156 | 1;
|
|---|
