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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, 2014 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/v6/db_remove.rb;hb=HEAD>
+
+ * Ralph Amissah
+ <ralph@amissah.com>
+ <ralph.amissah@gmail.com>
+
+ ** Description: modules shared by the different db types, dbi, postgresql,
+ sqlite
+
+=end
+module SiSU_DbRemove
+ class Remove
+ def initialize(opt,conn,file,sql_type)
+ @opt,@conn,@file,@sql_type=opt,conn,file,sql_type
+ @md=SiSU_Param::Parameters.new(@opt).get
+ @fnb=@md.fnb
+ @db=SiSU_Env::InfoDb.new
+ end
+ def remove
+ driver_sqlite3=if @sql_type=='sqlite'
+ (@conn.inspect.match(/^(.{10})/)[1]==@db.sqlite.conn_sqlite3.inspect.match(/^(.{10})/)[1]) \
+ ? true
+ : false
+ end
+ del_id=if driver_sqlite3
+ remove_selected=%{
+ SELECT tid
+ FROM metadata_and_text
+ WHERE src_filename = '#{@md.fns}'
+ AND metadata_and_text.language_document_char = '#{@opt.lng}'
+ ;} # note, for .ssm: @md.fns (is set during runtime & is) != @opt.fns @md.opt.fns
+ @conn.get_first_value(remove_selected).to_i
+ else
+ remove_selected=%{
+ SELECT metadata_and_text.tid
+ FROM metadata_and_text
+ WHERE metadata_and_text.src_filename = '#{@md.fns}'
+ AND metadata_and_text.language_document_char = '#{@opt.lng}'
+ ;} # note, for .ssm: @md.fns (is set during runtime & is) != @opt.fns @md.opt.fns
+ x=@conn.select_one(remove_selected)
+ 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 doc_objects WHERE metadata_tid = '#{del_id}';",
+ "DELETE FROM urls WHERE metadata_tid = '#{del_id}';",
+ "DELETE FROM metadata_and_text WHERE metadata_and_text.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.act[:maintenance][:set]==:on
+ @file.puts sql_entry
+ end
+ else
+ if (@opt.act[:verbose][:set]==:on \
+ || @opt.act[:verbose_plus][:set]==:on \
+ || @opt.act[:maintenance][:set]==:on)
+ SiSU_Screen::Ansi.new(@opt.cmd,"no such file in database #{@db.psql.db}::#{@opt.fns}").puts_grey
+ end
+ end
+ end
+ end
+end
+__END__