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/*
* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
*
* 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; version 2 of the
* License.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include "grtui/wizard_progress_page.h"
class FetchSchemaNamesSourceTargetProgressPage : public WizardProgressPage
{
public:
FetchSchemaNamesSourceTargetProgressPage(WizardForm *form, MultiSourceSelectPage *source_page, const char *name= "fetchNames")
: WizardProgressPage(form, name, true), _source_page(source_page), _source_dbconn(0), _target_dbconn(0)
{
set_title(_("Retrieve Source and Target Schema Names"));
set_short_title(_("Get Source and Target"));
set_status_text("");
}
void set_load_schemata_slot(DbConnection *sdbc, const boost::function<std::vector<std::string> ()> &sslot,
DbConnection *tdbc, const boost::function<std::vector<std::string> ()> &tslot)
{
_source_dbconn= sdbc;
_target_dbconn= tdbc;
_load_source_schemata= sslot;
_load_target_schemata= tslot;
}
void set_model_catalog(db_CatalogRef catalog)
{
_model_catalog = catalog;
}
protected:
bool perform_connect(bool source)
{
DbConnection *dbc = source ? _source_dbconn : _target_dbconn;
db_mgmt_ConnectionRef conn = dbc->get_connection();
execute_grt_task(boost::bind(&FetchSchemaNamesSourceTargetProgressPage::do_connect, this, _1, dbc), false);
return true;
}
grt::ValueRef do_connect(grt::GRT *grt, DbConnection *dbc)
{
if (!dbc)
throw std::logic_error("must call set_db_connection() 1st");
dbc->test_connection();
return grt::ValueRef();
}
bool perform_fetch(bool source)
{
execute_grt_task(boost::bind(&FetchSchemaNamesSourceTargetProgressPage::do_fetch, this, _1, source),
false);
return true;
}
static bool collate(const std::string &a, const std::string &b)
{
return g_utf8_collate(a.c_str(), b.c_str()) < 0;
}
grt::ValueRef do_fetch(grt::GRT *grt, bool source)
{
std::vector<std::string> schema_names= source ? _load_source_schemata() : _load_target_schemata();
// order the schema names alphabetically
std::sort(schema_names.begin(), schema_names.end(), std::ptr_fun(&FetchSchemaNamesSourceTargetProgressPage::collate));
grt::StringListRef list(grt);
for (std::vector<std::string>::const_iterator iter= schema_names.begin();
iter != schema_names.end(); ++iter)
list.insert(*iter);
if (source)
values().set("schemata", list);
else
values().set("targetSchemata", list);
_finished++;
return grt::ValueRef();
}
bool perform_script_fetch(bool source)
{
std::string path = values().get_string(source ? "left_source_file" : "right_source_file");
db_CatalogRef catalog = parse_catalog_from_file(path);
grt::StringListRef schemata(catalog.get_grt());
for (size_t i = 0; i < catalog->schemata().count(); i++)
schemata.insert(catalog->schemata()[i]->name());
if (source)
{
values().set("left_file_catalog", catalog);
values().set("schemata", schemata);
}
else
{
values().set("right_file_catalog", catalog);
values().set("targetSchemata", schemata);
}
_finished++;
return true;
}
db_CatalogRef parse_catalog_from_file(const std::string &filename)
{
workbench_physical_ModelRef pm= workbench_physical_ModelRef::cast_from(_model_catalog->owner());
db_mysql_CatalogRef cat(_model_catalog.get_grt());
cat->version(pm->rdbms()->version());
grt::replace_contents(cat->simpleDatatypes(), pm->rdbms()->simpleDatatypes());
cat->name("default");
cat->oldName("default");
GError *file_error= NULL;
char *sql_input_script= NULL;
gsize sql_input_script_length= 0;
if (!g_file_get_contents(filename.c_str(), &sql_input_script, &sql_input_script_length, &file_error))
{
std::string file_error_msg("Error reading input file: ");
file_error_msg.append(file_error->message);
throw std::runtime_error(file_error_msg);
}
SqlFacade::Ref sql_parser= SqlFacade::instance_for_rdbms(pm->rdbms());
sql_parser->parseSqlScriptString(cat, sql_input_script);
g_free(sql_input_script);
return cat;
}
bool perform_model_fetch(bool source)
{
{
db_CatalogRef catalog(_model_catalog);
grt::StringListRef names(wizard()->grtm()->get_grt());
for (size_t i = 0; i < catalog->schemata().count(); i++)
names.insert(catalog->schemata()[i]->name());
values().set(source ? "schemata" : "targetSchemata", names);
}
_finished++;
return true;
}
virtual void enter(bool advancing)
{
if (advancing)
{
clear_tasks();
switch (_source_page->get_left_source())
{
case DataSourceSelector::ServerSource:
add_async_task(_("Connect to Source DBMS"),
boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_connect, this, true),
_("Connecting to Source DBMS..."));
add_async_task(_("Retrieve Schema List from Source Database"),
boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_fetch, this, true),
_("Retrieving schema list from source database..."));
break;
case DataSourceSelector::FileSource:
add_task(_("Retrieve database objects from source file"),
boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_script_fetch, this, true),
_("Retrieving objects from selected source file..."));
break;
case DataSourceSelector::ModelSource:
add_task(_("Load schemas from source model"), boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_model_fetch, this, true),
_("Loading schemas from source model..."));
break;
}
switch (_source_page->get_right_source())
{
case DataSourceSelector::ServerSource:
add_async_task(_("Connect to Target DBMS"),
boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_connect, this, false),
_("Connecting to Target DBMS..."));
add_async_task(_("Retrieve Schema List from Target Database"),
boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_fetch, this, false),
_("Retrieving schema list from target database..."));
break;
case DataSourceSelector::FileSource:
add_task(_("Retrieve database objects from target file"),
boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_script_fetch, this, false),
_("Retrieving objects from selected target file..."));
break;
case DataSourceSelector::ModelSource:
add_task(_("Load schemas from target model"), boost::bind(&FetchSchemaNamesSourceTargetProgressPage::perform_model_fetch, this, false),
_("Loading schemas from target model..."));
break;
}
end_adding_tasks(_("Execution Completed Successfully"));
_finished= 0;
reset_tasks();
}
WizardProgressPage::enter(advancing);
}
virtual bool allow_next()
{
return _finished == 2;
}
private:
MultiSourceSelectPage *_source_page;
db_CatalogRef _model_catalog;
DbConnection *_source_dbconn;
DbConnection *_target_dbconn;
boost::function<std::vector<std::string> () > _load_source_schemata;
boost::function<std::vector<std::string> () > _load_target_schemata;
int _finished;
};
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