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Diffstat (limited to 'lib/sisu/v2/db_remove.rb')
-rw-r--r-- | lib/sisu/v2/db_remove.rb | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/lib/sisu/v2/db_remove.rb b/lib/sisu/v2/db_remove.rb new file mode 100644 index 00000000..99640cdf --- /dev/null +++ b/lib/sisu/v2/db_remove.rb @@ -0,0 +1,106 @@ +# coding: utf-8 +=begin + + * Name: SiSU + + * Description: a framework for document structuring, publishing and search + + * Author: Ralph Amissah + + * Copyright: (C) 1997 - 2010, 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.jus.uio.no/sisu/gpl.fsf/toc.html> + <http://www.jus.uio.no/sisu/gpl.fsf/doc.html> + <http://www.jus.uio.no/sisu/gpl.fsf/plain.txt> + + * 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.jus.uio.no/sisu/SiSU/download.html> + + * Ralph Amissah + <ralph@amissah.com> + <ralph.amissah@gmail.com> + + ** Description: modules shared by the different db types, dbi, postgresql, + sqlite + +=end +module SiSU_DB_remove + class Remove + def initialize(opt,conn,file) + @opt,@conn,@file=opt,conn,file + @md=SiSU_Param::Parameters.new(@opt).get + @fnb=@md.fnb + @db=SiSU_Env::Info_db.new + end + def remove + driver_sqlite3=(@conn.inspect.match(/^(.{10})/)[1]==@db.sqlite.conn_sqlite3.inspect.match(/^(.{10})/)[1]) ? true : false + del_id=if driver_sqlite3 + @conn.get_first_value(%{ SELECT tid FROM metadata WHERE filename LIKE '#{@opt.fns}'; }).to_i + else + x=@conn.select_one(%{ SELECT tid FROM metadata WHERE filename LIKE '#{@opt.fns}'; }) + del=x ? (x.join.to_i) : nil + end + if del_id + sql_entry=[ + "DELETE FROM endnotes WHERE metadata_tid = '#{del_id}';", + "DELETE FROM endnotes_asterisk WHERE metadata_tid = '#{del_id}';", + "DELETE FROM endnotes_plus WHERE metadata_tid = '#{del_id}';", + "DELETE FROM documents WHERE metadata_tid = '#{del_id}';", + "DELETE FROM urls WHERE metadata_tid = '#{del_id}';", + "DELETE FROM metadata WHERE tid = '#{del_id}';", + ] + if driver_sqlite3 + @conn.transaction + sql_entry.each do |s| + @conn.execute(s) + end + @conn.commit if driver_sqlite3 + else + sql_entry.each do |s| + @conn.execute(s) + end + end + if @opt.cmd =~/M/ + @file.puts sql_entry if @opt.cmd =~/M/ + end + else + tell=SiSU_Screen::Ansi.new(@opt.cmd,"no such file in database #{@db.psql.db}::#{@opt.fns}") + tell.puts_grey unless @opt.cmd =~/q/ #if @opt.cmd.include? ?v + end + end + end +end +__END__ |