1 files changed, 124 insertions, 0 deletions
diff --git a/lib/sisu/v5/db_remove.rb b/lib/sisu/v5/db_remove.rb
new file mode 100644
index 00000000..1fb40e30
--- /dev/null
+++ b/lib/sisu/v5/db_remove.rb
@@ -0,0 +1,124 @@
+# 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 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/v5/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 = '#{@opt.fns}'
+          AND metadata_and_text.language_document_char = '#{@opt.lng}'
+        ;}
+        @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 = '#{@opt.fns}'
+          AND metadata_and_text.language_document_char = '#{@opt.lng}'
+        ;}
+        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.cmd =~/M/
+          @file.puts sql_entry if @opt.cmd =~/M/
+        end
+      else
+        SiSU_Screen::Ansi.new(@opt.cmd,"no such file in database #{@db.psql.db}::#{@opt.fns}").puts_grey if @opt.cmd =~/vVM/
+      end
+    end
+  end
+end
+__END__