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# coding: utf-8
=begin
* Name: SiSU
* Description: a framework for document structuring, publishing and search
* Author: Ralph Amissah
* Copyright: (C) 1997 - 2009 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 = true if @conn.inspect.match(/^(.{10})/)[1] == @db.sqlite.conn_sqlite3.inspect.match(/^(.{10})/)[1]
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=if x; x.join.to_i else nil
end
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
s=sql_entry.join(' ')
@conn.execute(s)
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 #if @opt.cmd.include? ?v
end
end
end
end
__END__
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