| 1 | ###########################################################################
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| 2 | #
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| 3 | # metadataaction.pm --
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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) 2009 New Zealand Digital Library Project
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| 9 | #
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| 10 | # This program is free software; you can redistr te 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 | package metadataaction;
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| 27 |
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| 28 | use strict;
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| 29 |
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| 30 | use cgiactions::baseaction;
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| 31 |
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| 32 | use dbutil;
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| 33 | use ghtml;
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| 34 |
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| 35 |
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| 36 | BEGIN {
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| 37 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/cpan/perl-5.8");
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| 38 | require XML::Rules;
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| 39 | }
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| 40 |
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| 41 |
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| 42 | @metadataaction::ISA = ('baseaction');
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| 43 |
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| 44 |
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| 45 | my $action_table =
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| 46 | {
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| 47 | "get-live-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 48 | 'optional-args' => [] },
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| 49 |
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| 50 | "get-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 51 | 'optional-args' => [ "metapos" ] },
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| 52 |
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| 53 | "set-live-metadata" => { 'compulsory-args' => [ "d", "metaname", "metavalue" ],
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| 54 | 'optional-args' => [ ] },
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| 55 |
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| 56 | "set-metadata" => { 'compulsory-args' => [ "d", "metaname", "metavalue" ],
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| 57 | 'optional-args' => [ "metapos" ] },
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| 58 |
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| 59 | "set-archives-metadata" => { 'compulsory-args' => [ "d", "metaname", "metavalue" ],
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| 60 | 'optional-args' => [ "metapos" ]
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| 61 |
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| 62 | },
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| 63 |
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| 64 | "set-import-metadata" => { 'compulsory-args' => [ "metaname", "metavalue" ],
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| 65 | 'optional-args' => [ "d", "f", "metamode" ]
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| 66 | # metamode can be "accumulate", "override", or "unique-id"
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| 67 | },
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| 68 |
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| 69 |
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| 70 | "remove-live-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 71 | 'optional-args' => [ ] },
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| 72 |
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| 73 | "remove-metadata" => { 'compulsory-args' => [ "d", "metaname" ],
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| 74 | 'optional-args' => [ "metapos" ] }
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| 75 | };
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| 76 |
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| 77 |
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| 78 | sub new
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| 79 | {
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| 80 | my $class = shift (@_);
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| 81 | my ($gsdl_cgi,$iis6_mode) = @_;
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| 82 |
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| 83 | my $self = new baseaction($action_table,$gsdl_cgi,$iis6_mode);
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| 84 |
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| 85 | return bless $self, $class;
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| 86 | }
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| 87 |
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| 88 |
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| 89 | sub get_live_metadata
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| 90 | {
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| 91 | my $self = shift @_;
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| 92 |
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| 93 | my $username = $self->{'username'};
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| 94 | my $collect = $self->{'collect'};
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| 95 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 96 | my $gsdlhome = $self->{'gsdlhome'};
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| 97 |
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| 98 | # Note: Not sure why get_live_metadata doesn't need the authentication check
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| 99 |
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| 100 | # Obtain the collect dir
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| 101 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 102 |
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| 103 | # Make sure the collection isn't locked by someone else
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| 104 | $self->lock_collection($username, $collect);
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| 105 |
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| 106 | # look up additional args
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| 107 | my $docid = $self->{'d'};
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| 108 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
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| 109 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
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| 110 | }
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| 111 |
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| 112 | # Generate the dbkey
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| 113 | my $metaname = $self->{'metaname'};
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| 114 | my $dbkey = "$docid.$metaname";
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| 115 |
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| 116 | # To people who know $collect_tail please add some comments
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| 117 | # Obtain path to the database
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| 118 | my $collect_tail = $collect;
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| 119 | $collect_tail =~ s/^.*[\/|\\]//;
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| 120 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 121 | my $infodb_file_path = &dbutil::get_infodb_file_path("gdbm", "live-$collect_tail", $index_text_directory);
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| 122 |
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| 123 | # Obtain the content of the key
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| 124 | my $cmd = "gdbmget $infodb_file_path $dbkey";
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| 125 | if (open(GIN,"$cmd |") == 0) {
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| 126 | # Catch error if gdbmget failed
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| 127 | my $mess = "Failed to get metadata key: $metaname\n";
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| 128 | $mess .= "$!\n";
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| 129 |
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| 130 | $gsdl_cgi->generate_error($mess);
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| 131 | }
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| 132 | else {
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| 133 | # Read everything in and concatenate them into $metavalue
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| 134 | my $metavalue = "";
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| 135 | my $line;
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| 136 | while (defined ($line=<GIN>)) {
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| 137 | $metavalue .= $line;
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| 138 | }
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| 139 | close(GIN);
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| 140 | chomp($metavalue); # Get rid off the tailing newlines
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| 141 | $gsdl_cgi->generate_ok_message("$metavalue");
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| 142 | }
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| 143 |
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| 144 | # Release the lock once it is done
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| 145 | $self->unlock_collection($username, $collect);
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| 146 | }
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| 147 |
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| 148 |
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| 149 | sub get_metadata
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| 150 | {
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| 151 | my $self = shift @_;
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| 152 |
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| 153 | my $username = $self->{'username'};
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| 154 | my $collect = $self->{'collect'};
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| 155 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 156 | my $gsdlhome = $self->{'gsdlhome'};
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| 157 |
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| 158 | # Authenticate user if it is enabled
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| 159 | if ($baseaction::authentication_enabled) {
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| 160 | # Ensure the user is allowed to edit this collection
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| 161 | &authenticate_user($gsdl_cgi, $username, $collect);
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| 162 | }
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| 163 |
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| 164 | # Obtain the collect dir
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| 165 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 166 |
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| 167 | # Make sure the collection isn't locked by someone else
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| 168 | $self->lock_collection($username, $collect);
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| 169 |
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| 170 | # look up additional args
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| 171 | my $docid = $self->{'d'};
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| 172 | my $metaname = $self->{'metaname'};
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| 173 | my $metapos = $self->{'metapos'};
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| 174 |
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| 175 | # To people who know $collect_tail please add some comments
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| 176 | # Obtain path to the database
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| 177 | my $collect_tail = $collect;
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| 178 | $collect_tail =~ s/^.*[\/\\]//;
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| 179 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 180 | my $infodb_file_path = &dbutil::get_infodb_file_path("gdbm", $collect_tail, $index_text_directory);
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| 181 |
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| 182 | # Read the docid entry
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| 183 | my $doc_rec_string = &dbutil::read_infodb_entry("gdbm", $infodb_file_path, $docid);
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| 184 | my $doc_rec = &dbutil::convert_infodb_string_to_hash($doc_rec_string);
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| 185 |
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| 186 | # Basically loop through and unescape_html the values
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| 187 | foreach my $k (keys %$doc_rec) {
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| 188 | my @escaped_v = ();
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| 189 | foreach my $v (@{$doc_rec->{$k}}) {
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| 190 | my $ev = &ghtml::unescape_html($v);
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| 191 | push(@escaped_v, $ev);
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| 192 | }
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| 193 | $doc_rec->{$k} = \@escaped_v;
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| 194 | }
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| 195 |
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| 196 | # Obtain the specified metadata value
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| 197 | $metapos = 0 if (!defined $metapos);
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| 198 | my $metavalue = $doc_rec->{$metaname}->[$metapos];
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| 199 | $gsdl_cgi->generate_ok_message("$metavalue");
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| 200 |
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| 201 | # Release the lock once it is done
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| 202 | $self->unlock_collection($username, $collect);
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| 203 | }
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| 204 |
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| 205 |
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| 206 | sub set_live_metadata
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| 207 | {
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| 208 | my $self = shift @_;
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| 209 |
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| 210 | my $username = $self->{'username'};
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| 211 | my $collect = $self->{'collect'};
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| 212 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 213 | my $gsdlhome = $self->{'gsdlhome'};
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| 214 |
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| 215 | # don't user authenticate for now
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| 216 | if ($baseaction::authentication_enabled) {
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| 217 | # Ensure the user is allowed to edit this collection
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| 218 | &authenticate_user($gsdl_cgi, $username, $collect);
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| 219 | }
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| 220 |
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| 221 | # Obtain the collect dir
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| 222 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 223 |
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| 224 | # Make sure the collection isn't locked by someone else
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| 225 | $self->lock_collection($username, $collect);
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| 226 |
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| 227 | # look up additional args
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| 228 | my $docid = $self->{'d'};
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| 229 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
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| 230 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
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| 231 | }
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| 232 | my $metavalue = $self->{'metavalue'};
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| 233 |
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| 234 | # Generate the dbkey
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| 235 | my $metaname = $self->{'metaname'};
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| 236 | my $dbkey = "$docid.$metaname";
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| 237 |
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| 238 | # To people who know $collect_tail please add some comments
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| 239 | # Obtain path to the database
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| 240 | my $collect_tail = $collect;
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| 241 | $collect_tail =~ s/^.*[\/\\]//;
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| 242 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 243 | my $infodb_file_path = &dbutil::get_infodb_file_path("gdbm", "live-$collect_tail", $index_text_directory);
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| 244 |
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| 245 | # Set the new value
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| 246 | my $cmd = "gdbmset \"$infodb_file_path\" \"$dbkey\" \"$metavalue\"";
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| 247 | my $status = system($cmd);
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| 248 | if ($status != 0) {
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| 249 | # Catch error if gdbmget failed
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| 250 | my $mess = "Failed to set metadata key: $dbkey\n";
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| 251 |
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| 252 | $mess .= "PATH: $ENV{'PATH'}\n";
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| 253 | $mess .= "cmd = $cmd\n";
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| 254 | $mess .= "Exit status: $status\n";
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| 255 | $mess .= "System Error Message: $!\n";
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| 256 |
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| 257 | $gsdl_cgi->generate_error($mess);
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| 258 | }
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| 259 | else {
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| 260 | $gsdl_cgi->generate_ok_message("set-live-metadata successful: Key[$metaname]=$metavalue");
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| 261 | }
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| 262 |
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| 263 | # Release the lock once it is done
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| 264 | $self->unlock_collection($username, $collect);
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| 265 | }
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| 266 |
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| 267 |
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| 268 | sub set_metadata
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| 269 | {
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| 270 | my $self = shift @_;
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| 271 |
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| 272 | my $username = $self->{'username'};
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| 273 | my $collect = $self->{'collect'};
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| 274 | my $gsdl_cgi = $self->{'gsdl_cgi'};
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| 275 | my $gsdlhome = $self->{'gsdlhome'};
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| 276 |
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| 277 | # don't user authenticate for now
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| 278 | if ($baseaction::authentication_enabled) {
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| 279 | # Ensure the user is allowed to edit this collection
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| 280 | &authenticate_user($gsdl_cgi, $username, $collect);
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| 281 | }
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| 282 |
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| 283 | # Obtain the collect dir
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| 284 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
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| 285 |
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| 286 | # Make sure the collection isn't locked by someone else
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| 287 | $self->lock_collection($username, $collect);
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| 288 |
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| 289 | # look up additional args
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| 290 | my $docid = $self->{'d'};
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| 291 | my $metaname = $self->{'metaname'};
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| 292 | my $metapos = $self->{'metapos'};
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| 293 | my $metavalue = $self->{'metavalue'};
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| 294 |
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| 295 | # To people who know $collect_tail please add some comments
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| 296 | # Obtain path to the database
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| 297 | my $collect_tail = $collect;
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| 298 | $collect_tail =~ s/^.*[\/\\]//;
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| 299 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
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| 300 | my $infodb_file_path = &dbutil::get_infodb_file_path("gdbm", $collect_tail, $index_text_directory);
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| 301 |
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| 302 | # Read the docid entry
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| 303 | my $doc_rec_string = &dbutil::read_infodb_entry("gdbm", $infodb_file_path, $docid);
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| 304 | my $doc_rec = &dbutil::convert_infodb_string_to_hash($doc_rec_string);
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| 305 | foreach my $k (keys %$doc_rec) {
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| 306 | my @escaped_v = ();
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| 307 | foreach my $v (@{$doc_rec->{$k}}) {
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| 308 | if ($k eq "contains") {
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| 309 | # protect quotes in ".2;".3 etc
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| 310 | $v =~ s/\"/\\\"/g;
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| 311 | push(@escaped_v, $v);
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| 312 | }
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| 313 | else {
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| 314 | my $ev = &ghtml::unescape_html($v);
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| 315 | $ev =~ s/\"/\\\"/g;
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| 316 | push(@escaped_v, $ev);
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| 317 | }
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| 318 | }
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| 319 | $doc_rec->{$k} = \@escaped_v;
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| 320 | }
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| 321 | ## print STDERR "**** metavalue = $metavalue\n";
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| 322 |
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| 323 | # Protect the quotes
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| 324 | $metavalue =~ s/\"/\\\"/g;
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| 325 |
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| 326 | # Set the metadata value
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| 327 | if (defined $metapos) {
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| 328 | $doc_rec->{$metaname}->[$metapos] = $metavalue;
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| 329 | }
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| 330 | else {
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| 331 | $doc_rec->{$metaname} = [ $metavalue ];
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| 332 | }
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| 333 | ## print STDERR "**** metavalue = $metavalue\n";
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| 334 |
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| 335 | # Generate the record string
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| 336 | my $serialized_doc_rec = &dbutil::convert_infodb_hash_to_string($doc_rec);
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| 337 | ## print STDERR "**** ser dr\n$serialized_doc_rec\n\n\n";
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| 338 |
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| 339 | # Store it into GDBM
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| 340 | my $cmd = "gdbmset \"$infodb_file_path\" \"$docid\" \"$serialized_doc_rec\"";
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| 341 | my $status = system($cmd);
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| 342 | if ($status != 0) {
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| 343 | # Catch error if gdbmget failed
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| 344 | my $mess = "Failed to set metadata key: $docid\n";
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| 345 |
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| 346 | $mess .= "PATH: $ENV{'PATH'}\n";
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| 347 | $mess .= "cmd = $cmd\n";
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| 348 | $mess .= "Exit status: $status\n";
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| 349 | $mess .= "System Error Message: $!\n";
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| 350 |
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| 351 | $gsdl_cgi->generate_error($mess);
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| 352 | }
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| 353 | else {
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| 354 | my $mess = "set-document-metadata successful: Key[$docid]\n";
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| 355 | $mess .= " $metaname";
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| 356 | $mess .= "->[$metapos]" if (defined $metapos);
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| 357 | $mess .= " = $metavalue";
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| 358 |
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| 359 | $gsdl_cgi->generate_ok_message($mess);
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| 360 | }
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| 361 |
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| 362 | # Release the lock once it is done
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| 363 | $self->unlock_collection($username, $collect);
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| 364 | }
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| 365 |
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| 366 |
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| 367 | sub dxml_metadata
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| 368 | {
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| 369 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
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| 370 | my $metaname = $parser->{'parameters'}->{'metaname'};
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| 371 | my $metamode = $parser->{'parameters'}->{'metamode'};
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| 372 |
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| 373 | # Find the right metadata tag and checks if we are going to override it
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| 374 | # Note: This over writes the first metadata block it encountered. If there are multiple Sections in the doc.xml, it might not behave as you would expect
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| 375 | my $name_attr = $attrHash->{'name'};
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| 376 | if (($name_attr eq $metaname) && ($metamode eq "override")) {
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| 377 | # Get the value and override the current value
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| 378 | my $metavalue = $parser->{'parameters'}->{'metavalue'};
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| 379 | $attrHash->{'_content'} = $metavalue;
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| 380 |
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| 381 | # Don't want it to wipe out any other pieces of metadata
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| 382 | $parser->{'parameters'}->{'metamode'} = "done";
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| 383 | }
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| 384 |
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| 385 | # raw extended
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| 386 | # Someone please write some comments on why adding ':'.$tagname => $attrHash
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| 387 | return (':'.$tagname => $attrHash, [$tagname => $attrHash]);
|
|---|
| 388 | }
|
|---|
| 389 |
|
|---|
| 390 |
|
|---|
| 391 | sub dxml_description
|
|---|
| 392 | {
|
|---|
| 393 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 394 | my $metamode = $parser->{'parameters'}->{'metamode'};
|
|---|
| 395 |
|
|---|
| 396 | # Accumulate the metadata
|
|---|
| 397 | # NOTE: This appends new metadata element to all description fields.
|
|---|
| 398 | # If there are multiple Sections/SubSections, the new metadata block will get appended to all of them
|
|---|
| 399 | if ($metamode eq "accumulate") {
|
|---|
| 400 | # tack a new metadata tag on to the end of the <Metadata>+ block
|
|---|
| 401 | my $metaname = $parser->{'parameters'}->{'metaname'};
|
|---|
| 402 | my $metavalue = $parser->{'parameters'}->{'metavalue'};
|
|---|
| 403 |
|
|---|
| 404 | my $metadata_attr = { '_content' => $metavalue,
|
|---|
| 405 | 'name' => $metaname,
|
|---|
| 406 | 'mode' => "accumulate" };
|
|---|
| 407 |
|
|---|
| 408 | my $append_metadata = [ "Metadata" => $metadata_attr ];
|
|---|
| 409 | my $description_content = $attrHash->{'_content'};
|
|---|
| 410 |
|
|---|
| 411 | push(@$description_content," ", $append_metadata ,"\n ");
|
|---|
| 412 | }
|
|---|
| 413 |
|
|---|
| 414 | # raw
|
|---|
| 415 | return $tagname => $attrHash;
|
|---|
| 416 | }
|
|---|
| 417 |
|
|---|
| 418 |
|
|---|
| 419 | sub edit_xml_file
|
|---|
| 420 | {
|
|---|
| 421 | my $self = shift @_;
|
|---|
| 422 | my ($gsdl_cgi, $filename, $rules, $options) = @_;
|
|---|
| 423 |
|
|---|
| 424 | # use XML::Rules to add it in (read in and out again)
|
|---|
| 425 | my $parser = XML::Rules->new(rules => $rules,
|
|---|
| 426 | style => 'filter' );
|
|---|
| 427 |
|
|---|
| 428 | my $xml_in = "";
|
|---|
| 429 | if (!open(MIN,"<$filename")) {
|
|---|
| 430 | $gsdl_cgi->generate_error("Unable to read in $filename: $!");
|
|---|
| 431 | }
|
|---|
| 432 | else {
|
|---|
| 433 | # Read all the text in
|
|---|
| 434 | my $line;
|
|---|
| 435 | while (defined ($line=<MIN>)) {
|
|---|
| 436 | $xml_in .= $line;
|
|---|
| 437 | }
|
|---|
| 438 | close(MIN);
|
|---|
| 439 |
|
|---|
| 440 | # Matched lines will get handled by the call backs
|
|---|
| 441 | my $xml_out = "";
|
|---|
| 442 | $parser->filter($xml_in,\$xml_out, $options);
|
|---|
| 443 |
|
|---|
| 444 | if (!open(MOUT,">$filename")) {
|
|---|
| 445 | $gsdl_cgi->generate_error("Unable to write out to $filename: $!");
|
|---|
| 446 | }
|
|---|
| 447 | else {
|
|---|
| 448 | print MOUT $xml_out;
|
|---|
| 449 | close(MOUT);
|
|---|
| 450 | }
|
|---|
| 451 | }
|
|---|
| 452 | }
|
|---|
| 453 |
|
|---|
| 454 |
|
|---|
| 455 | sub edit_doc_xml
|
|---|
| 456 | {
|
|---|
| 457 | my $self = shift @_;
|
|---|
| 458 | my ($gsdl_cgi, $doc_xml_filename, $metaname, $metavalue, $metapos) = @_;
|
|---|
| 459 |
|
|---|
| 460 | # use XML::Rules to add it in (read in and out again)
|
|---|
| 461 | # Set the call back functions
|
|---|
| 462 | my @rules =
|
|---|
| 463 | ( _default => 'raw extended',
|
|---|
| 464 | 'Metadata' => \&dxml_metadata,
|
|---|
| 465 | 'Description' => \&dxml_description );
|
|---|
| 466 |
|
|---|
| 467 | # Sets the parameters
|
|---|
| 468 | my $options = { 'metaname' => $metaname,
|
|---|
| 469 | 'metapos' => $metapos,
|
|---|
| 470 | 'metavalue' => $metavalue };
|
|---|
| 471 | $self->edit_xml_file($gsdl_cgi,$doc_xml_filename,\@rules,$options);
|
|---|
| 472 | }
|
|---|
| 473 |
|
|---|
| 474 |
|
|---|
| 475 | sub set_archives_metadata
|
|---|
| 476 | {
|
|---|
| 477 | my $self = shift @_;
|
|---|
| 478 |
|
|---|
| 479 | my $username = $self->{'username'};
|
|---|
| 480 | my $collect = $self->{'collect'};
|
|---|
| 481 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 482 | my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 483 |
|
|---|
| 484 | # don't user authenticate for now
|
|---|
| 485 | if ($baseaction::authentication_enabled) {
|
|---|
| 486 | # Ensure the user is allowed to edit this collection
|
|---|
| 487 | $self->authenticate_user($username, $collect);
|
|---|
| 488 | }
|
|---|
| 489 |
|
|---|
| 490 | # Obtain the collect and archive dir
|
|---|
| 491 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 492 | my $archive_dir = &util::filename_cat($collect_dir,$collect,"archives");
|
|---|
| 493 |
|
|---|
| 494 | # Make sure the collection isn't locked by someone else
|
|---|
| 495 | $self->lock_collection($username, $collect);
|
|---|
| 496 |
|
|---|
| 497 | # look up additional args
|
|---|
| 498 | my $docid = $self->{'d'};
|
|---|
| 499 | my $metaname = $self->{'metaname'};
|
|---|
| 500 | my $metavalue = $self->{'metavalue'};
|
|---|
| 501 | my $metapos = $self->{'metapos'};
|
|---|
| 502 | $metapos = 0 if (!defined $metapos);
|
|---|
| 503 |
|
|---|
| 504 | # Obtain the doc.xml path for the specified docID
|
|---|
| 505 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path("gdbm", "archiveinf-doc", $archive_dir);
|
|---|
| 506 | my $doc_rec_string = &dbutil::read_infodb_entry("gdbm", $arcinfo_doc_filename, $docid);
|
|---|
| 507 | my $doc_rec = &dbutil::convert_infodb_string_to_hash($doc_rec_string);
|
|---|
| 508 | my $doc_xml_file = $doc_rec->{'doc-file'}->[0];
|
|---|
| 509 |
|
|---|
| 510 | # The $doc_xml_file is relative to the archives, and now let's get the full path
|
|---|
| 511 | my $archives_dir = &util::filename_cat($collect_dir,$collect,"archives");
|
|---|
| 512 | my $doc_xml_filename = &util::filename_cat($archives_dir,$doc_xml_file);
|
|---|
| 513 |
|
|---|
| 514 | # Edit the doc.xml file with the specified metadata name, value and position.
|
|---|
| 515 | # TODO: there is a potential problem here as this edit_doc_xml function
|
|---|
| 516 | # is assuming the simple doc.xml situation where there is only one Section and no SubSections.
|
|---|
| 517 | # Running import.pl -groupsize will cause this to have multiple sections in one doc.xml
|
|---|
| 518 | $self->edit_doc_xml($gsdl_cgi,$doc_xml_filename,
|
|---|
| 519 | $metaname,$metavalue,$metapos);
|
|---|
| 520 |
|
|---|
| 521 | # Release the lock once it is done
|
|---|
| 522 | $self->unlock_collection($username, $collect);
|
|---|
| 523 | }
|
|---|
| 524 |
|
|---|
| 525 |
|
|---|
| 526 | sub mxml_metadata
|
|---|
| 527 | {
|
|---|
| 528 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 529 | my $metaname = $parser->{'parameters'}->{'metaname'};
|
|---|
| 530 | my $metamode = $parser->{'parameters'}->{'metamode'};
|
|---|
| 531 |
|
|---|
| 532 | # Find the right metadata tag and checks if we are going to override it
|
|---|
| 533 | # Note: This over writes the first metadata block it encountered even if it doesn't belong to the source file we specified
|
|---|
| 534 | my $name_attr = $attrHash->{'name'};
|
|---|
| 535 | if (($name_attr eq $metaname) && ($metamode eq "override")) {
|
|---|
| 536 | # Get the value and override the current value
|
|---|
| 537 | my $metavalue = $parser->{'parameters'}->{'metavalue'};
|
|---|
| 538 | $attrHash->{'_content'} = $metavalue;
|
|---|
| 539 |
|
|---|
| 540 | # Don't want it to wipe out any other pieces of metadata
|
|---|
| 541 | $parser->{'parameters'}->{'metamode'} = "done";
|
|---|
| 542 | }
|
|---|
| 543 |
|
|---|
| 544 | # raw extended
|
|---|
| 545 | # Someone please write some comments on why adding ':'.$tagname => $attrHash
|
|---|
| 546 | return (':'.$tagname => $attrHash, [$tagname => $attrHash]);
|
|---|
| 547 | }
|
|---|
| 548 |
|
|---|
| 549 |
|
|---|
| 550 | sub mxml_description
|
|---|
| 551 | {
|
|---|
| 552 | my ($tagname, $attrHash, $contextArray, $parentDataArray, $parser) = @_;
|
|---|
| 553 | my $metamode = $parser->{'parameters'}->{'metamode'};
|
|---|
| 554 |
|
|---|
| 555 | # Accumulate the metadata block to the end of the description block
|
|---|
| 556 | # Note: This adds metadata block to all description blocks, so if there are
|
|---|
| 557 | # multiple FileSets, it will add to all of them
|
|---|
| 558 | if ($metamode eq "accumulate") {
|
|---|
| 559 | # tack a new metadata tag on to the end of the <Metadata>+ block
|
|---|
| 560 | my $metaname = $parser->{'parameters'}->{'metaname'};
|
|---|
| 561 | my $metavalue = $parser->{'parameters'}->{'metavalue'};
|
|---|
| 562 |
|
|---|
| 563 | my $metadata_attr = { '_content' => $metavalue,
|
|---|
| 564 | 'name' => $metaname,
|
|---|
| 565 | 'mode' => "accumulate" };
|
|---|
| 566 |
|
|---|
| 567 | my $append_metadata = [ "Metadata" => $metadata_attr ];
|
|---|
| 568 | my $description_content = $attrHash->{'_content'};
|
|---|
| 569 |
|
|---|
| 570 | push(@$description_content," ", $append_metadata ,"\n ");
|
|---|
| 571 | }
|
|---|
| 572 |
|
|---|
| 573 | # raw
|
|---|
| 574 | return $tagname => $attrHash;
|
|---|
| 575 | }
|
|---|
| 576 |
|
|---|
| 577 |
|
|---|
| 578 | sub edit_metadata_xml
|
|---|
| 579 | {
|
|---|
| 580 | my $self = shift @_;
|
|---|
| 581 | my ($gsdl_cgi, $metadata_xml_filename, $metaname, $metavalue, $metamode) = @_;
|
|---|
| 582 |
|
|---|
| 583 | # Set the call-back functions for the metadata tags
|
|---|
| 584 | my @rules =
|
|---|
| 585 | ( _default => 'raw extended',
|
|---|
| 586 | 'Metadata' => \&mxml_metadata,
|
|---|
| 587 | 'Description' => \&mxml_description );
|
|---|
| 588 |
|
|---|
| 589 | # use XML::Rules to add it in (read in and out again)
|
|---|
| 590 | my $parser = XML::Rules->new(rules => \@rules,
|
|---|
| 591 | style => 'filter' );
|
|---|
| 592 |
|
|---|
| 593 | my $xml_in = "";
|
|---|
| 594 | if (!open(MIN,"<$metadata_xml_filename")) {
|
|---|
| 595 | $gsdl_cgi->generate_error("Unable to read in $metadata_xml_filename: $!");
|
|---|
| 596 | }
|
|---|
| 597 | else {
|
|---|
| 598 | # Read them in
|
|---|
| 599 | my $line;
|
|---|
| 600 | while (defined ($line=<MIN>)) {
|
|---|
| 601 | $xml_in .= $line;
|
|---|
| 602 | }
|
|---|
| 603 | close(MIN);
|
|---|
| 604 |
|
|---|
| 605 | # Filter with the call-back functions
|
|---|
| 606 | my $xml_out = "";
|
|---|
| 607 | $parser->filter($xml_in,\$xml_out, { metaname => $metaname,
|
|---|
| 608 | metavalue => $metavalue,
|
|---|
| 609 | metamode => $metamode } );
|
|---|
| 610 |
|
|---|
| 611 | if (!open(MOUT,">$metadata_xml_filename")) {
|
|---|
| 612 | $gsdl_cgi->generate_error("Unable to write out to $metadata_xml_filename: $!");
|
|---|
| 613 | }
|
|---|
| 614 | else {
|
|---|
| 615 | print MOUT $xml_out;
|
|---|
| 616 | close(MOUT);
|
|---|
| 617 | }
|
|---|
| 618 | }
|
|---|
| 619 | }
|
|---|
| 620 |
|
|---|
| 621 |
|
|---|
| 622 | sub set_import_metadata
|
|---|
| 623 | {
|
|---|
| 624 | my $self = shift @_;
|
|---|
| 625 |
|
|---|
| 626 | my $username = $self->{'username'};
|
|---|
| 627 | my $collect = $self->{'collect'};
|
|---|
| 628 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 629 | my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 630 |
|
|---|
| 631 | # don't user authenticate for now
|
|---|
| 632 | if ($baseaction::authentication_enabled) {
|
|---|
| 633 | # Ensure the user is allowed to edit this collection
|
|---|
| 634 | $self->authenticate_user($username, $collect);
|
|---|
| 635 | }
|
|---|
| 636 |
|
|---|
| 637 | # Obtain the collect and archive dir
|
|---|
| 638 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 639 | my $archive_dir = &util::filename_cat($collect_dir,$collect,"archives");
|
|---|
| 640 |
|
|---|
| 641 | # Make sure the collection isn't locked by someone else
|
|---|
| 642 | $self->lock_collection($username, $collect);
|
|---|
| 643 |
|
|---|
| 644 | # look up additional args
|
|---|
| 645 | # want either d= or f=
|
|---|
| 646 | my $docid = $self->{'d'};
|
|---|
| 647 | my $import_file = $self->{'f'};
|
|---|
| 648 | if ((!defined $docid) && (!defined $import_file)) {
|
|---|
| 649 | $gsdl_cgi->generate_error("No docid (d=...) or import file (f=) specified.");
|
|---|
| 650 | }
|
|---|
| 651 |
|
|---|
| 652 | # Get the parameters and set default mode to "accumulate"
|
|---|
| 653 | my $metaname = $self->{'metaname'};
|
|---|
| 654 | my $metavalue = $self->{'metavalue'};
|
|---|
| 655 | my $metamode = $self->{'metamode'};
|
|---|
| 656 | if ((!defined $metamode) || ($metamode =~ m/^\s*$/)) {
|
|---|
| 657 | # make "accumulate" the default (less destructive, as won't actually
|
|---|
| 658 | # delete any existing values)
|
|---|
| 659 | $metamode = "accumulate";
|
|---|
| 660 | }
|
|---|
| 661 |
|
|---|
| 662 | # Obtain where the metadata.xml is from the archiveinfo-doc.gdb file
|
|---|
| 663 | # If the doc oid is not specified, we assume the metadata.xml is next to the specified "f"
|
|---|
| 664 | my $metadata_xml_file;
|
|---|
| 665 | my $import_filename = undef;
|
|---|
| 666 | if (defined $docid) {
|
|---|
| 667 | my $arcinfo_doc_filename = &dbutil::get_infodb_file_path("gdbm", "archiveinf-doc", $archive_dir);
|
|---|
| 668 | my $doc_rec_string = &dbutil::read_infodb_entry("gdbm", $arcinfo_doc_filename, $docid);
|
|---|
| 669 | my $doc_rec = &dbutil::convert_infodb_string_to_hash($doc_rec_string);
|
|---|
| 670 |
|
|---|
| 671 | # This now stores the full pathname
|
|---|
| 672 | $import_filename = $doc_rec->{'src-file'}->[0];
|
|---|
| 673 | }
|
|---|
| 674 | else {
|
|---|
| 675 | $import_filename = &util::filename_cat($collect_dir,$collect,$import_file);
|
|---|
| 676 | }
|
|---|
| 677 |
|
|---|
| 678 |
|
|---|
| 679 | # figure out correct metadata.xml file [?]
|
|---|
| 680 | # Assuming the metadata.xml file is next to the source file
|
|---|
| 681 | # Note: This will not work if it is using the inherited metadata from the parent folder
|
|---|
| 682 | my ($import_tailname, $import_dirname)
|
|---|
| 683 | = File::Basename::fileparse($import_filename);
|
|---|
| 684 | my $metadata_xml_filename = &util::filename_cat($import_dirname,"metadata.xml");
|
|---|
| 685 |
|
|---|
| 686 | # Edit the metadata.xml
|
|---|
| 687 | # Note: At moment it doesn't correctly on metadata.xml with multiple FileSets
|
|---|
| 688 | # "accumulate" mode will add new metadata block to all FileSets
|
|---|
| 689 | # "override" mode will over write the first encountered metadata block, even if it doesn't have the right source
|
|---|
| 690 | $self->edit_metadata_xml($gsdl_cgi,$metadata_xml_filename,
|
|---|
| 691 | $metaname,$metavalue,$metamode);
|
|---|
| 692 |
|
|---|
| 693 | # Release the lock once it is done
|
|---|
| 694 | $self->unlock_collection($username, $collect);
|
|---|
| 695 | }
|
|---|
| 696 |
|
|---|
| 697 |
|
|---|
| 698 | sub remove_live_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 = $self->{'gsdlhome'};
|
|---|
| 706 |
|
|---|
| 707 | if ($baseaction::authentication_enabled) {
|
|---|
| 708 | # Ensure the user is allowed to edit this collection
|
|---|
| 709 | &authenticate_user($gsdl_cgi, $username, $collect);
|
|---|
| 710 | }
|
|---|
| 711 |
|
|---|
| 712 | # Obtain the collect dir
|
|---|
| 713 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 714 |
|
|---|
| 715 | # Make sure the collection isn't locked by someone else
|
|---|
| 716 | $self->lock_collection($username, $collect);
|
|---|
| 717 |
|
|---|
| 718 | # look up additional args
|
|---|
| 719 | my $docid = $self->{'d'};
|
|---|
| 720 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
|
|---|
| 721 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
|
|---|
| 722 | }
|
|---|
| 723 |
|
|---|
| 724 | # Generate the dbkey
|
|---|
| 725 | my $metaname = $self->{'metaname'};
|
|---|
| 726 | my $dbkey = "$docid.$metaname";
|
|---|
| 727 |
|
|---|
| 728 | # To people who know $collect_tail please add some comments
|
|---|
| 729 | # Obtain the live gdbm_db path
|
|---|
| 730 | my $collect_tail = $collect;
|
|---|
| 731 | $collect_tail =~ s/^.*[\/\\]//;
|
|---|
| 732 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 733 | my $infodb_file_path = &dbutil::get_infodb_file_path("gdbm", "live-$collect_tail", $index_text_directory);
|
|---|
| 734 |
|
|---|
| 735 | # Remove the key
|
|---|
| 736 | my $cmd = "gdbmdel \"$infodb_file_path\" \"$dbkey\"";
|
|---|
| 737 | my $status = system($cmd);
|
|---|
| 738 | if ($status != 0) {
|
|---|
| 739 | # Catch error if gdbmdel failed
|
|---|
| 740 | my $mess = "Failed to set metadata key: $dbkey\n";
|
|---|
| 741 |
|
|---|
| 742 | $mess .= "PATH: $ENV{'PATH'}\n";
|
|---|
| 743 | $mess .= "cmd = $cmd\n";
|
|---|
| 744 | $mess .= "Exit status: $status\n";
|
|---|
| 745 | $mess .= "System Error Message: $!\n";
|
|---|
| 746 |
|
|---|
| 747 | $gsdl_cgi->generate_error($mess);
|
|---|
| 748 | }
|
|---|
| 749 | else {
|
|---|
| 750 | $gsdl_cgi->generate_ok_message("DB remove successful: Key[$metaname]");
|
|---|
| 751 | }
|
|---|
| 752 |
|
|---|
| 753 | }
|
|---|
| 754 |
|
|---|
| 755 |
|
|---|
| 756 | sub remove_metadata
|
|---|
| 757 | {
|
|---|
| 758 | my $self = shift @_;
|
|---|
| 759 |
|
|---|
| 760 | my $username = $self->{'username'};
|
|---|
| 761 | my $collect = $self->{'collect'};
|
|---|
| 762 | my $gsdl_cgi = $self->{'gsdl_cgi'};
|
|---|
| 763 | my $gsdlhome = $self->{'gsdlhome'};
|
|---|
| 764 |
|
|---|
| 765 | # don't user authenticate for now
|
|---|
| 766 | if ($baseaction::authentication_enabled) {
|
|---|
| 767 | # Ensure the user is allowed to edit this collection
|
|---|
| 768 | &authenticate_user($gsdl_cgi, $username, $collect);
|
|---|
| 769 | }
|
|---|
| 770 |
|
|---|
| 771 | # Obtain the collect dir
|
|---|
| 772 | my $collect_dir = &util::filename_cat($gsdlhome, "collect");
|
|---|
| 773 |
|
|---|
| 774 | # Make sure the collection isn't locked by someone else
|
|---|
| 775 | $self->lock_collection($username, $collect);
|
|---|
| 776 |
|
|---|
| 777 | # look up additional args
|
|---|
| 778 | my $docid = $self->{'d'};
|
|---|
| 779 | if ((!defined $docid) || ($docid =~ m/^\s*$/)) {
|
|---|
| 780 | $gsdl_cgi->generate_error("No docid (d=...) specified.");
|
|---|
| 781 | }
|
|---|
| 782 | my $metaname = $self->{'metaname'};
|
|---|
| 783 | my $metapos = $self->{'metapos'};
|
|---|
| 784 |
|
|---|
| 785 | # To people who know $collect_tail please add some comments
|
|---|
| 786 | # Obtain the path to the database
|
|---|
| 787 | my $collect_tail = $collect;
|
|---|
| 788 | $collect_tail =~ s/^.*[\/\\]//;
|
|---|
| 789 | my $index_text_directory = &util::filename_cat($collect_dir,$collect,"index","text");
|
|---|
| 790 | my $infodb_file_path = &dbutil::get_infodb_file_path("gdbm", $collect_tail, $index_text_directory);
|
|---|
| 791 |
|
|---|
| 792 | # Read the docid entry
|
|---|
| 793 | my $doc_rec_string = &dbutil::read_infodb_entry("gdbm", $infodb_file_path, $docid);
|
|---|
| 794 | my $doc_rec = &dbutil::convert_infodb_string_to_hash($doc_rec_string);
|
|---|
| 795 |
|
|---|
| 796 | # Basically loop through and unescape_html the values
|
|---|
| 797 | foreach my $k (keys %$doc_rec) {
|
|---|
| 798 | my @escaped_v = ();
|
|---|
| 799 | foreach my $v (@{$doc_rec->{$k}}) {
|
|---|
| 800 | if ($k eq "contains") {
|
|---|
| 801 | # protect quotes in ".2;".3 etc
|
|---|
| 802 | $v =~ s/\"/\\\"/g;
|
|---|
| 803 | push(@escaped_v, $v);
|
|---|
| 804 | }
|
|---|
| 805 | else {
|
|---|
| 806 | my $ev = &ghtml::unescape_html($v);
|
|---|
| 807 | $ev =~ s/\"/\\\"/g;
|
|---|
| 808 | push(@escaped_v, $ev);
|
|---|
| 809 | }
|
|---|
| 810 | }
|
|---|
| 811 | $doc_rec->{$k} = \@escaped_v;
|
|---|
| 812 | }
|
|---|
| 813 |
|
|---|
| 814 | # Check to make sure the key does exist
|
|---|
| 815 | if (!defined ($doc_rec->{$metaname})) {
|
|---|
| 816 | $gsdl_cgi->generate_error("No metadata field \"" . $metaname . "\" in the specified document: [" . $docid . "]");
|
|---|
| 817 | }
|
|---|
| 818 |
|
|---|
| 819 | # Obtain the specified metadata pos
|
|---|
| 820 | $metapos = 0 if (!defined $metapos);
|
|---|
| 821 |
|
|---|
| 822 | # consider check key is defined before deleting?
|
|---|
| 823 | # Loop through the metadata array and ignore the specified position
|
|---|
| 824 | my $filtered_metadata = [];
|
|---|
| 825 | my $num_metadata_vals = scalar(@{$doc_rec->{$metaname}});
|
|---|
| 826 | for (my $i=0; $i<$num_metadata_vals; $i++) {
|
|---|
| 827 | my $metavalue = shift(@{$doc_rec->{$metaname}});
|
|---|
| 828 |
|
|---|
| 829 | if ($i != $metapos) {
|
|---|
| 830 | push(@$filtered_metadata,$metavalue)
|
|---|
| 831 | }
|
|---|
| 832 | }
|
|---|
| 833 | $doc_rec->{$metaname} = $filtered_metadata;
|
|---|
| 834 |
|
|---|
| 835 | # Turn the record back to string
|
|---|
| 836 | my $serialized_doc_rec = &dbutil::convert_infodb_hash_to_string($doc_rec);
|
|---|
| 837 |
|
|---|
| 838 | # Store it back to the database
|
|---|
| 839 | my $cmd = "gdbmset \"$infodb_file_path\" \"$docid\" \"$serialized_doc_rec\"";
|
|---|
| 840 | my $status = system($cmd);
|
|---|
| 841 | if ($status != 0) {
|
|---|
| 842 | my $mess = "Failed to set metadata key: $docid\n";
|
|---|
| 843 |
|
|---|
| 844 | $mess .= "PATH: $ENV{'PATH'}\n";
|
|---|
| 845 | $mess .= "cmd = $cmd\n";
|
|---|
| 846 | $mess .= "Exit status: $status\n";
|
|---|
| 847 | $mess .= "System Error Message: $!\n";
|
|---|
| 848 |
|
|---|
| 849 | $gsdl_cgi->generate_error($mess);
|
|---|
| 850 | }
|
|---|
| 851 | else {
|
|---|
| 852 | my $mess = "DB set (with item deleted) successful: Key[$docid]\n";
|
|---|
| 853 | $mess .= " $metaname";
|
|---|
| 854 | $mess .= "->[$metapos]" if (defined $metapos);
|
|---|
| 855 |
|
|---|
| 856 | $gsdl_cgi->generate_ok_message($mess);
|
|---|
| 857 | }
|
|---|
| 858 | }
|
|---|
| 859 |
|
|---|
| 860 |
|
|---|
| 861 | 1;
|
|---|
