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authorRalph Amissah <ralph@amissah.com>2013-05-09 22:21:33 -0400
committerRalph Amissah <ralph@amissah.com>2013-05-09 22:21:33 -0400
commit879a4e6cbe97721bbc6cd18b324524159b4807ef (patch)
treefd9cde1516e36545626ed06dee71edc4342b84d2 /lib/sisu/v5/cgi_sqlite.rb
parentv4: cgi script for sample search form, minor fixes (diff)
v5 dev branch opened (starts as copy of v4 stable branch); v3 branch closedsisu_4.1.0
* 5.0.0 dev opened * 4.1.0 stable * 3.* branch gone
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diff --git a/lib/sisu/v5/cgi_sqlite.rb b/lib/sisu/v5/cgi_sqlite.rb
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+# encoding: utf-8
+=begin
+
+ * Name: SiSU
+
+ * Description: a framework for document structuring, publishing and search
+
+ * Author: Ralph Amissah
+
+ * Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009, 2010, 2011, 2012, 2013 Ralph Amissah, All Rights Reserved.
+
+ * License: GPL 3 or later:
+
+ SiSU, a framework for document structuring, publishing and search
+
+ Copyright (C) Ralph Amissah
+
+ 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 3 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, see <http://www.gnu.org/licenses/>.
+
+ If you have Internet connection, the latest version of the GPL should be
+ available at these locations:
+ <http://www.fsf.org/licensing/licenses/gpl.html>
+ <http://www.gnu.org/licenses/gpl.html>
+
+ <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>
+
+ * SiSU uses:
+ * Standard SiSU markup syntax,
+ * Standard SiSU meta-markup syntax, and the
+ * Standard SiSU object citation numbering and system
+
+ * Hompages:
+ <http://www.jus.uio.no/sisu>
+ <http://www.sisudoc.org>
+
+ * Download:
+ <http://www.sisudoc.org/sisu/en/SiSU/download.html>
+
+ * Git
+ <http://sources.sisudoc.org/gitweb/?p=code/sisu.git;a=summary>
+ <http://sources.sisudoc.org/?p=code/sisu.git;a=blob;f=lib/sisu/v5/cgi_sql_sqlite.rb;hb=HEAD>
+
+ * Ralph Amissah
+ <ralph@amissah.com>
+ <ralph.amissah@gmail.com>
+
+ ** Description: generates naive cgi search form for search of sisu database (pgsql sqlite)
+
+=end
+module SiSU_CGI_SQLite #% database building documents
+ require_relative 'sysenv' # sysenv.rb
+ require_relative 'cgi_sql_common' # cgi_sql_common.rb
+ include SiSU_CGI_SQL
+ class SearchSQLite < CGI_Common
+ def initialize(opt,webserv)
+ @opt,@webserv=opt,webserv
+ @env=SiSU_Env::InfoEnv.new('',opt)
+ @image_src="#{@env.url.webserv_cgi}/_sisu/image_sys"
+ @common=SiSU_CGI_SQL::CGI_Common.new(@webserv,@opt,@image_src,@env)
+ @cgi_file_name="#{Db[:name_prefix_db]}by_#{opt.dir_structure_by.to_s}_sqlite.cgi"
+ end
+ def sqlite
+ serve=[]
+ Dir.foreach(@env.path.webserv) do |x|
+ if x !~/^\./ \
+ and FileTest.directory?("#{@env.path.webserv}/#{x}")
+ if FileTest.file?("#{@env.path.webserv}/#{x}/sisu_sqlite.db")
+ serve << x unless x =~/^_\S+/
+ end
+ end
+ end
+ serve=serve.sort
+ f1,f2,f3='','',''
+ serve.each do |x|
+ f1 << %{ <option value="#{Db[:name_prefix]}#{x}">#{x}</option>\n}
+ end
+ f2 << %{ selected_db=case cgi['db']\n}
+ serve.each do |x|
+ f2 << %{ when /#{Db[:name_prefix]}#{x}/; '<option value="#{Db[:name_prefix]}#{x}">#{x}</option>'\n}
+ end
+ f2 << " end\n"
+ f3 << %{ db_name='sisu_sqlite.db'\n}
+ f3 << %{ db_sqlite=case cgi['db']\n}
+ serve.each do |x|
+ f3 << %{ when /#{Db[:name_prefix]}#{x}/; "#{@env.path.webserv}/#{x}/sisu_sqlite.db"\n}
+ end
+ f3 << %{ else '#{@env.path.webserv}/#{serve[0]}/sisu_sqlite.db'\n end\n}
+ if FileTest.writable?('.')
+ output=File.open(@cgi_file_name,'w')
+ output << header0 << header1 << header_desc << header2 << f1 << buttons1 << buttons2 << search_request << search_statement << search_statement_common << search_query1 << @common.pages << search_query2 << @common.tail << @common.main1 << f2 << f3 << dbi_connect << @common.main2 << @common.dir_structure << @common.main3
+ a=%{ generated sisu_sqlite.cgi,
+ BASED ON ALREADY CREATED sisu_sqlite.db OUTPUT, (-d)
+ }
+ SiSU_Screen::Ansi.new(@opt.cmd,a).print_grey
+ c=case @webserv
+ when /pwd/; ''
+ else "if necessary make the directory /usr/lib/cgi-bin :
+ sudo cp -vi #{Dir.pwd}/#{@cgi_file_name} /usr/lib/cgi-bin/.
+ sudo chmod -v 755 /usr/lib/cgi-bin/#{@cgi_file_name}
+ sudo ln -s /usr/lib/cgi-bin/#{@cgi_file_name} /usr/lib/cgi-bin/sisu_sqlite.cgi
+ (copy #{@cgi_file_name} to your cgi directory) set file permissions to 755, and make symbolic link to sisu_sqlite.cgi"
+ end
+ a=%{#{c}
+ #{@env.webserv_base_cgi}/cgi-bin/sisu_sqlite.cgi
+ }
+ b='(to create and populate sisu sqlite database see "man sisu" and in particular the -d flag)'
+ SiSU_Screen::Ansi.new(@opt.cmd,a,b).warn
+ else puts "failed in attempt to write #{@cgi_file_name} 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 (sqlite)
+#{gpl}
+=end
+ require 'cgi'
+ require 'fcgi'
+ require 'dbi'
+ @stub_default="#{@name_of[:db]}"
+ @image_src="#{@name_of[:host_url_docs]}/_sisu/image_sys"
+ @hosturl_cgi="#{@name_of[:host_url_cgi]}"
+ @hosturl_files="#{@name_of[:host_url_docs]}"
+ @output_dir_structure_by="#{@name_of[:output_dir_structure]}"
+ @db_name_prefix="#{Db[:name_prefix]}"
+ WOK_SQL
+ end
+ def search_statement
+ <<-'WOK_SQL'
+ class DBI_SearchString
+ def initialize(l,t,q,cse=false)
+ @l,@t,@q=l,t,q
+ end
+ def string
+ search={ search: [], flag: false }
+ if @t =~/\S+/ or @q =~/\S+/
+ if @t =~/\S+/ then unescaped_search=CGI.unescape(@t)
+ elsif @q =~/\S+/ then unescaped_search=CGI.unescape(@q)
+ end
+ search_construct=[]
+ unescaped_search=unescaped_search.gsub(/\s*(AND|OR)\s*/,"%' \) \\1 #{@l} LIKE \( '%").
+ gsub(/(.+)/,"#{@l} LIKE \( '%\\1%' \)")
+ 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 search_query1
+ <<-'WOK_SQL'
+ @search_text,@search_endnotes='',''
+ @search_text=search[:text].flatten.join(' AND ')
+ @search_text=@search_text.gsub(/(doc_objects\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\)\s+(?:(?:AND|OR)\s+doc_objects\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\))+)/,'(\1)')
+ @search_endnotes=search[:endnotes].flatten.join(' AND ')
+ @search_endnotes=@search_endnotes.gsub(/(endnotes\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\)\s+(?:(?:AND|OR)\s+endnotes\.clean\s+LIKE\s+\(\s*'%[^']+%'\s*\))+)/,'(\1)')
+ end
+ WOK_SQL
+ end
+ def search_query2
+ <<-'WOK_SQL'
+ def sql_select_body
+ limit ||=@@limit
+ offset ||=@@offset
+ @sql_statement[:body]=%{SELECT metadata_and_text.title, metadata_and_text.creator_author, metadata_and_text.src_filename, metadata_and_text.language_document_char, metadata_and_text.notes_suffix, doc_objects.body, doc_objects.seg, doc_objects.ocn, metadata_and_text.tid FROM doc_objects, metadata_and_text WHERE #{@search_text} AND doc_objects.metadata_tid = metadata_and_text.tid ORDER BY metadata_and_text.language_document_char, metadata_and_text.title, metadata_and_text.src_filename, doc_objects.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_and_text.title, metadata_and_text.creator_author, metadata_and_text.src_filename, metadata_and_text.language_document_char, endnotes.body, endnotes.nr, endnotes.ocn, endnotes.metadata_tid FROM metadata_and_text, endnotes WHERE #{@search_endnotes} AND metadata_and_text.tid = endnotes.metadata_tid ORDER BY metadata_and_text.language_document_char, metadata_and_text.title, metadata_and_text.src_filename, 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:SQLite3:#{db_sqlite}" #sqlite3 ?
+ @conn=DBI.connect(@dbi)
+ WOK_SQL
+ end
+ end
+end
+__END__