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