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Diffstat (limited to 'lib/sisu/v0/cgi_pgsql.rb')
| -rw-r--r-- | lib/sisu/v0/cgi_pgsql.rb | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/lib/sisu/v0/cgi_pgsql.rb b/lib/sisu/v0/cgi_pgsql.rb new file mode 100644 index 00000000..325f91b7 --- /dev/null +++ b/lib/sisu/v0/cgi_pgsql.rb @@ -0,0 +1,214 @@ +=begin + * Name: SiSU information Structuring Universe - Structured information, Serialized Units + * Author: Ralph Amissah + * http://www.jus.uio.no/sisu + * http://www.jus.uio.no/sisu/SiSU/download.html + + * Description: generates naive cgi search form for search of sisu database (pgsql sqlite) + + * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Ralph Amissah + + * License: GPL 2 or later + + Summary of GPL 2 + + This program is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2 of the License, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + + If you have Internet connection, the latest version of the GPL should be + available at these locations: + http://www.fsf.org/licenses/gpl.html + http://www.gnu.org/copyleft/gpl.html + http://www.jus.uio.no/sisu/gpl2.fsf + + SiSU was first released to the public on January 4th 2005 + + SiSU uses: + * Standard SiSU markup syntax, + * Standard SiSU meta-markup syntax, and the + * Standard SiSU object citation numbering and system + + © Ralph Amissah 1997, current 2007. + All Rights Reserved. + + * Ralph Amissah mailto:ralph@amissah.com + Ralph Amissah mailto:amissah@gmail.com + +=end +module SiSU_CGI_pgsql #% database building documents + require "#{SiSU_lib}/sysenv" + require "#{SiSU_lib}/cgi_sql_common" + include SiSU_CGI_sql + class SiSU_search_pgsql < SiSU_CGI_common + def initialize(opt,webserv) + @opt,@webserv=opt,webserv + @env=SiSU_Env::Info_env.new('',opt) + @sys=SiSU_Env::System_call.new + @image_src="#{@env.url.webserv_cgi}/_sisu/image" + @common=SiSU_CGI_sql::SiSU_CGI_common.new(@webserv,@opt.cmd,@image_src,@env) + @db=SiSU_Env::Info_db.new + #p @db.port_psql + end + def pgsql + serve=[] + if @sys.psql + available_db_table=`psql --list` # system call requires psql + available_db=available_db_table.scan(/(SiSU_\S+)/) if not available_db_table.nil? + if available_db and available_db.class == Array + available_db.flatten.each do |x| + serve << x.gsub(/SiSU_(\S+)/,'\1') + end + else put "WARNING: no postgresql database available, (have you created one?)" + end + serve.sort! + f1,f2,f3=[],[],[] + serve.each do |x| + f1 << %{ <option value="SiSU_#{x}">#{x}</option>\n} unless x =~/apache|sisu\/image/ #check + end + f2 << %{ selected_db=case cgi['db']\n} + serve.each do |x| + f2 << %{ when /SiSU_#{x}/; '<option value="SiSU_#{x}">#{x}</option>'\n} unless x =~/apache|sisu\/image/ #check + end + end + f2 << " end\n" + if FileTest.writable?('.') + output=File.open('sisu_pgsql.cgi','w') + output << header0 << header1 << header_desc << header2 << f1 << buttons1 << buttons_note << buttons2 << search_request << search_statement << search_statement_common << search_query1 << @common.pages << search_query2 << @common.tail << @common.main1 << f2 << dbi_connect << @common.main2 + a=%{ generated sisu_pgsql.cgi, + BASED ON ALREADY EXISTING directories that could potentially be used to populate postgresql db, (-D) + } + tell=SiSU_Screen::Ansi.new(@opt.cmd,a) + tell.print_grey + c=case @webserv + when /pwd/; '' + else "if necessary make the directory /usr/lib/cgi-bin : + sudo cp -vi #{Dir.pwd}/sisu_pgsql.cgi /usr/lib/cgi-bin/. + sudo chmod -v 755 /usr/lib/cgi-bin/sisu_pgsql.cgi + (copy sisu_pgsql.cgi to your cgi directory) and set file permissions to 755" + end + a=%{#{c} + #{@env.webserv_base_cgi}/cgi-bin/sisu_pgsql.cgi + } + tell=SiSU_Screen::Ansi.new(@opt.cmd,a) + tell.warn + a="postgresql db used for present directory: #{@db.db_psql}" + b="\n\t(to create and populate postgresql database see 'man sisu' and in particular the -D flag)\n\t[the database to be used for this directory (#{@db.db_psql}) will have to be created manually if it does not exist,\n\tsee 'sisu --help sql'\n\tif you have permission to create databases:\n\t'sisu -d --createdb'\n\tor using postgresql tools directly:\n\t'createdb #{@db.db_psql}'\n\tfor a list of existing databases try 'psql --list']" + tell=SiSU_Screen::Ansi.new(@opt.cmd,a,b) + tell.txt_cyan + else puts 'failed in attempt to write sisu_pgsql.cgi to present directory, is directory writable?' + end + end + def header0 + <<-WOK_SQL +#!/usr/bin/env ruby +=begin +#{about} + * Description: generates naive cgi search form for search of sisu database (pgsql) +#{gpl} +=end + require 'cgi' + require 'fcgi' + require 'dbi' + @version='sisu_pgsql' + @image_src="#{@env.url.webserv_cgi}/_sisu/image" + @hosturl_db="#{@env.url.webserv_base_cgi}" + @hosturl_files="#{@env.url.webserv_files_from_db}" + @port="#{@db.port_psql}" + user='' # '#{@env.user}' + WOK_SQL + end + def search_statement + <<-'WOK_SQL' + class Dbi_search_string + def initialize(l,t,q) + @l,@t,@q=l,t,q + end + def string + search={ :search => [],:flag => false } + if @t =~/\S+/ or @q =~/\S+/ + if @t =~/\S+/; unescaped_search=CGI.unescape(@t) + elsif @q =~/\S+/; unescaped_search=CGI.unescape(@q) + end + search_construct=[] + unescaped_search.gsub!(/\s*(AND|OR)\s*/,"' \) \\1 #@l~\( '") + unescaped_search.gsub!(/(.+)/,"#@l~\( '\\1' \)") + search_construct << unescaped_search + search_construct=search_construct.join(' ') + search[:search] << search_construct + search[:flag]=true + search + end + search + end + end + WOK_SQL + end + def buttons_note + ' <font size="2" color="#666666">case sensitive</font>' + end + def search_query1 + <<-'WOK_SQL' + @search_text,@search_endnotes=[],[] + #% + search[:text].each{|x| @search_text << "#{x} AND " } + @search_text=@search_text.to_s.gsub!(/AND\s+$/,'') + @search_text.gsub!(/(documents\.clean~\(\s*'[^']+'\s*\)\s+(?:(?:AND|OR)\s+documents\.clean~\(\s*'[^']+'\s*\))+)/,'(\1)') + search[:endnotes].each{|x| @search_endnotes << "#{x} AND " } + @search_endnotes=@search_endnotes.to_s.gsub!(/AND\s+$/,'') + @search_endnotes.gsub!(/(endnotes\.clean~\(\s*'[^']+'\s*\)\s+(?:(?:AND|OR)\s+endnotes\.clean~\(\s*'[^']+'\s*\))+)/,'(\1)') + end + WOK_SQL + end + def search_query2 + <<-'WOK_SQL' + def sql_select_body + limit ||=@@limit + offset ||=@@offset + @sql_statement[:body]=%{SELECT metadata.title, metadata.creator, metadata.filename, metadata.suffix, documents.body, documents.seg, documents.ocn, metadata.tid FROM documents, metadata WHERE (#@search_text) AND documents.metadata_tid = metadata.tid ORDER BY metadata.title, documents.ocn} + @sql_statement[:range]=%{LIMIT #{limit} OFFSET #{offset} ;} + select=@sql_statement[:body] + ' ' + @sql_statement[:range] + select + end + def sql_select_endnotes + limit ||=@@limit + offset ||=@@offset + @sql_statement[:endnotes]=%{SELECT metadata.title, metadata.creator, metadata.filename, endnotes.body, endnotes.nr, endnotes.ocn, endnotes.metadata_tid FROM metadata, endnotes WHERE (#@search_endnotes) AND metadata.tid = endnotes.metadata_tid ORDER BY metadata.title, endnotes.nr} + @sql_statement[:range]=%{LIMIT #{limit} OFFSET #{offset} ;} + select=@sql_statement[:endnotes] + ' ' + @sql_statement[:range] + select + end + def sql_select_body_format + %{<font color="#666666" size="2">#{sql_select_body}</font>} + end + def sql_select_endnotes_format + %{<font color="#666666" size="2">#{sql_select_endnotes}</font>} + end + def contents + @conn.select_all(sql_select_body) + end + def endnotes + @conn.select_all(sql_select_endnotes) + end + end + WOK_SQL + end + def dbi_connect + <<-'WOK_SQL' + dbi="dbi:Pg:database=#{@db};port=#{@port}" + @conn=DBI.connect(dbi,user) + WOK_SQL + end + end +end +__END__ |