Class: SiSU_CGI_PgSQL::SearchPgSQL
- Inherits:
-
CGI_Common
- Object
- CGI_Common
- SiSU_CGI_PgSQL::SearchPgSQL
- Defined in:
- lib/sisu/cgi_pgsql.rb
Instance Method Summary collapse
- #buttons1_pgsql ⇒ Object
- #dbi_connect ⇒ Object
- #header0 ⇒ Object
-
#initialize(opt, webserv) ⇒ SearchPgSQL
constructor
A new instance of SearchPgSQL.
- #pgsql ⇒ Object
- #search_query1 ⇒ Object
- #search_query2 ⇒ Object
- #search_statement ⇒ Object
Constructor Details
#initialize(opt, webserv) ⇒ SearchPgSQL
Returns a new instance of SearchPgSQL.
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# File 'lib/sisu/cgi_pgsql.rb', line 60 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) @sys=SiSU_Env::SystemCall.new @db=SiSU_Env::InfoDb.new get_init=SiSU_Env::GetInit.new @rc=get_init.sisu_yaml.rc @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[:db]=if defined? @rc['search'] \ and defined? @rc['search']['sisu'] \ and defined? @rc['search']['sisu']['action'] \ and @rc['search']['sisu']['action'] =~/https?:\/\/\S+?\.cgi/ \ and defined? @rc['search']['sisu']['db'] \ and @rc['search']['sisu']['db'] =~/\S+/ @rc['search']['sisu']['db'] else @env.path.base_markup_dir_stub #'sisu' #breaks if not present 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']}} @name_of[:user]=@db.psql.user(opt) @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) end |
Instance Method Details
#buttons1_pgsql ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 256 def <<-'WOK_SQL' <input type="checkbox" name="casesense" #{@checked_case}> case sensitive WOK_SQL end |
#dbi_connect ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 261 def dbi_connect <<-'WOK_SQL' @conn=PG::Connection.open(dbname: @db, port: @port, user: @user) WOK_SQL end |
#header0 ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 171 def header0 <<-WOK_SQL #!/usr/bin/env ruby =begin #{about} * Description: generates naive cgi search form for search of sisu database (pgsql) #{gpl} =end begin require 'cgi' require 'fcgi' require 'pg' rescue LoadError puts 'cgi, fcgi or pg NOT FOUND (LoadError)' end @stub_default='#{@name_of[:db]}' @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]}' @port='#{@db.psql.port}' @db_name_prefix='#{Db[:name_prefix]}' @user='#{@name_of[:user]}' # check user name for access to pg database: e.g. www-data or '#{@env.user}' @base="#{@name_of[:host_url_cgi]}#{@name_of[:cgi_script]}" WOK_SQL end |
#pgsql ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 95 def pgsql serve=[] if @sys.psql available_db_table=`psql --list` # system call requires psql available_db=available_db_table.scan(/(#{Db[:name_prefix]}\S+)/) if not available_db_table.nil? if available_db \ and available_db.is_a?(Array) available_db.flatten.each do |x| serve << x.gsub(/#{Db[:name_prefix]}(\S+)/,'\1') end else STDERR.puts "WARNING: no postgresql database available, (have you created one?)" end serve=serve.sort f1,f2='','' serve.each do |x| f1 << %{ <option value="#{Db[:name_prefix]}#{x}">#{x}</option>\n} unless x =~/apache|sisu\/image/ #check end end f2 << %q{ selected_db=%{<option value="#{@db_name_prefix}#{@stub}">#{@stub}</option>}} + "\n" if FileTest.writable?('.') output=File.open(@cgi_file_name,'w') output << header0 << header1 << header_desc << header2 << f1 << << << << search_request << search_statement << search_statement_common << search_query1 << @common.pages << search_query2 << @common.tail << @common.main1 << f2 << 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]}#{@name_of[:db]}#{@cX.off} (#{@name_of[:db]}) db user: #{@cX.green}#{@name_of[:user]}#{@cX.off} to modify use: #{@cX.brown}sisu --db-pg --db-user='#{@name_of[:user]}'#{@cX.off} #{@cX.fuchsia}BASED ON ALREADY EXISTING databases#{@cX.off} (default database name: #{@db.psql.db}) NOTE it is first necessary to createdb, use sisu to create the tables & populate the postgresql db the database to be used for this directory (#{@db.psql.db}) will have to be created manually if it does not exist: using postgresql tools directly (the following may work): (i) if you are not yet a postgresql user, #{@cX.brown}sudo su postgres createuser -d -a #{@env.user} exit#{@cX.off} (ii) create the database: #{@cX.brown}createdb #{@db.psql.db}#{@cX.off} [for a list of existing databases try 'psql --list']" you can use sisu to create the database tables and populate the database with documents sisu --pg --dropall # removes existing postgresql db & tables sisu --pg --createall -v # creates postgresql db & tables sisu --pg --update -v *.sst *.ssm # populate the db sisu --sample-search-form --db-pg # 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 SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],a).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 a="\n\t(to create and populate postgresql database see 'man sisu' and in particular the --pg option)\n\t[the database to be used for this directory (#{@db.psql.db}) will have to be created manually if it does not exist,\n\tusing postgresql tools directly: 'createdb #{@db.psql.db}' for a list of existing databases try 'psql --list']" SiSU_Screen::Ansi.new(@opt.act[:color_state][:set],a).txt_grey else puts 'failed in attempt to write #{@cgi_file_name} to present directory, is directory writable?' end end |
#search_query1 ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 229 def search_query1 <<-'WOK_SQL' @search_text='' @search_text=search[:text].flatten.join(' AND ') @search_text=@search_text.gsub(/(doc_objects\.clean~[*]?\(\s*'[^']+'\s*\)\s+(?:(?:AND|OR)\s+doc_objects\.clean~[*]?\(\s*'[^']+'\s*\))+)/,'(\1)') end WOK_SQL end |
#search_query2 ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 237 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.exec(sql_select_body) end end WOK_SQL end |
#search_statement ⇒ Object
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# File 'lib/sisu/cgi_pgsql.rb', line 198 def search_statement <<-'WOK_SQL' class DBI_SearchString def initialize(l,t,q,cse=false) @l,@t,@q,@c=l,t,q,cse 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=if @c unescaped_search.gsub(/\s*(AND|OR)\s*/,"' \) \\1 #{@l}~\( '"). gsub(/(.+)/,"#{@l}~\( '\\1' \)") else unescaped_search.gsub(/\s*(AND|OR)\s*/,"' \) \\1 #{@l}~*\( '"). gsub(/(.+)/,"#{@l}~*\( '\\1' \)") end search_construct << unescaped_search search_construct=search_construct.join(' ') search[:search] << search_construct search[:flag]=true search end search end end WOK_SQL end |