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# encoding: utf-8
=begin
* Name: SiSU
** Description: documents, structuring, processing, publishing, search
*** generates naive cgi search form for search of sisu database (sqlite)
** Author: Ralph Amissah
[ralph@amissah.com]
[ralph.amissah@gmail.com]
** Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 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]
** 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]
** Git
[http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=summary]
[http://git.sisudoc.org/gitweb/?p=code/sisu.git;a=blob;f=lib/sisu/cgi_sql_sqlite.rb;hb=HEAD]
=end
module SiSU_CGI_SQLite #% database building documents
require_relative 'se' # se.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
@cX=SiSU_Screen::Ansi.new(opt.act[:color_state][:set]).cX
@env=SiSU_Env::InfoEnv.new('',opt)
@image_src="#{@env.url.webserv_cgi(opt)}/_sisu/image_sys"
@name_of={}
@name_of[:output_dir_structure]=if opt.dir_structure_by.to_s =~/(?:language|filetype|filename)/
opt.dir_structure_by.to_s
else 'language'
end
@name_of[:lingual]=if opt.lingual.to_s =~/(?:mono|multi)/
opt.lingual.to_s
else 'multi'
end
@name_of[:host_url_cgi]=%q{http://#{ENV['HTTP_HOST']}#{ENV['PATH_INFO']}}
@name_of[:host_url_docs]=%q{http://#{ENV['HTTP_HOST']}}
@name_of[:cgi_script]=%q{#{ENV['SCRIPT_NAME']}}
@image_src=%q{http://#{ENV['HTTP_HOST']}/_sisu/image_sys}
@common=SiSU_CGI_SQL::CGI_Common.new(@webserv,opt,@image_src,@env)
@cgi_file_name=@env.url.cgi_sample_search_form_name(opt)
@name_of_sqlite_db_file='sisu_sqlite.db'
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}/#{@name_of_sqlite_db_file}")
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}/ then '<option value="#{Db[:name_prefix]}#{x}">#{x}</option>'\n}
end
f2 << " end\n"
f3 << %{ db_name='#{@name_of_sqlite_db_file}'\n}
f3 << %{ db_sqlite=case cgi['db']\n}
serve.each do |x|
f3 << %{ when /#{Db[:name_prefix]}#{x}/ then "#{@env.path.webserv}/#{x}/\#{db_name}"\n}
end
f3 << %{ else "#{@env.path.webserv}/#{serve[0]}/\#{db_name}"\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
puts <<-WOK
generated sample search form: #{@cX.green}#{@cgi_file_name}#{@cX.off}
default database name: #{@cX.green}#{Db[:name_prefix]}#{@env.path.base_markup_dir_stub}#{@cX.off} (#{@env.path.base_markup_dir_stub})
cgi & db host on: #{@cX.blue}#{@env.url.webserv_base_cgi(@opt)}#{@cX.off}
to modify use: #{@cX.brown}sisu --db-sqlite --webserv-search='#{@env.url.webserv_base_cgi(@opt)}'#{@cX.off}
sisu output on: #{@cX.blue}#{@env.url.webserv_files_from_db(@opt)}#{@cX.off}
to modify use: #{@cX.brown}sisu --db-sqlite --webserv-output='#{@env.url.webserv_files_from_db(@opt)}'#{@cX.off}
cgi search form link name: #{@cX.green}#{@env.url.cgi_sample_search_form_name(@opt)}#{@cX.off}
to modify use: #{@cX.brown}sisu --db-sqlite --cgi-search-form-name='#{@env.url.cgi_sample_search_form_name(@opt)}'#{@cX.off}
#{@cX.fuchsia}(settings priority: command line; sisurc.yml; else defaults)#{@cX.off}
#{@cX.fuchsia}NOTE it is first necessary to create the database and tables and populate it#{@cX.off}
sisu --sqlite --dropall # removes existing postgresql db & tables
sisu --sqlite --createall -v # creates postgresql db & tables
sisu --sqlite --update -v *.sst *.ssm # populate the db
sisu --sample-search-form --sqlite # creates the postgresql search form
# this should be done after creating the db
# to be searched
sisu --webrick & # starts ruby webrick web server
# if necessary make the directory '/usr/lib/cgi-bin'
# here we copy the postgresql search form to cgi-bin
# (copy #{@cgi_file_name} to your cgi directory)
# set file permissions to 755
WOK
a=case @webserv
when /pwd/ then ''
else <<-WOK
sudo cp -vi #{Dir.pwd}/#{@cgi_file_name} /usr/lib/cgi-bin/.; \\
sudo chmod -v 755 /usr/lib/cgi-bin/#{@cgi_file_name}
WOK
end
b='(to create and populate sisu sqlite database see "man sisu" and in particular the -d flag)'
SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],a,b).warn
a=<<-WOK
#{@env.webserv_base_cgi(@opt)}/cgi-bin/#{@cgi_file_name}
WOK
SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],a).print_blue
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
begin
require 'cgi'
require 'fcgi'
require 'sqlite3'
rescue LoadError
puts 'cgi, fcgi or sqlite3 NOT FOUND (LoadError)'
end
@stub_default='sisu_sqlite'
@image_src="#{@image_src}"
@hosturl_cgi="#{@name_of[:host_url_cgi]}"
@hosturl_files="#{@name_of[:host_url_docs]}"
@output_dir_structure_by='#{@name_of[:output_dir_structure]}'
@lingual='#{@name_of[:lingual]}'
@db_name_prefix='#{Db[:name_prefix]}'
@base="#{@name_of[:host_url_cgi]}#{@name_of[:cgi_script]}"
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_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)')
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_body_format
%{<font color="#666666" size="2">#{sql_select_body}</font>}
end
def contents
@conn.execute(sql_select_body)
end
end
WOK_SQL
end
def dbi_connect
<<-'WOK_SQL'
@conn=SQLite3::Database.new(db_sqlite)
@conn.results_as_hash=true
WOK_SQL
end
end
end
__END__
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