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More migrations

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This commit is contained in:
Alexander Yakovlev 2016-10-19 10:56:43 +07:00
parent 346608e284
commit d5b83e8183
2 changed files with 81 additions and 13 deletions
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4
application/classes/Model/Course.php
View file

@ -10,12 +10,12 @@ class Model_Course extends ORM {
/**
* A pre-scheduled course - the subscriber gets a new letter once per N days in the series.
*/
public const TYPE_SCHEDULED = 0;
const TYPE_SCHEDULED = 0;
/**
* A irregular subscription - the letters are sent when the author sends them
*/
public const TYPE_IRREGULAR = 1;
const TYPE_IRREGULAR = 1;
protected $_has_many = array(
'clients' => array(

90
application/migrations/kangana/20161016123906_model-combining.php
View file

@ -25,15 +25,64 @@ class Migration_Kangana_20161016123906 extends Minion_Migration_Base {
$subscriptions = DB::select()->from('subscriptions')->as_object()->execute();
foreach ($subscriptions as $subscription)
{
$course = ORM::factory('Course');
$course->type = Course::TYPE_IRREGULAR;
$course->title = $subscription->title;
$course->description = $subscription->description;
$course->price = $subscription->price;
$instants = $subscription->instants->find_all();
$query = DB::query(
Database::INSERT,
'INSERT INTO courses (type, title, description, price)
VALUES(:type, :title, :description, :price)'
);
$query->parameters(array(
':type' => Model_Course::TYPE_IRREGULAR,
':title' => $subscription->title,
':description' => $subscription->description,
':price' => $subscription->price
));
$query->execute();
echo 'Migrating subscription "' . $subscription->title . '"' . PHP_EOL;
$course_id = DB::select('id')
->from('courses')
->where('title', '=', $subscription->title)
->and_where('description', '=', $subscription->description)
->and_where('type', '=', Model_Course::TYPE_IRREGULAR)
->execute()
->get('id');
echo 'Migrating links between subscriptions and clients.';
$clients = DB::select('client_id')
->from('clients_subscriptions')
->where('subscription_id', '=', $subscription->id)
->execute()
->as_array(NULL, 'client_id');
foreach ($clients as $client)
{
$db->query(NULL, 'INSERT INTO clients_courses (client_id, course_id)
VALUES (' . $client . ', ' . $course_id . ')');
}
echo 'Migrating links between subscriptions and groups.';
$groups = DB::select('group_id')
->from('subscriptions_groups')
->where('subscription_id', '=', $subscription->id)
->execute()
->as_array(NULL, 'group_id');
foreach ($groups as $group)
{
$db->query(NULL, 'INSERT INTO courses_groups (group_id, course_id)
VALUES (' . $group . ', ' . $course_id . ')');
}
echo 'Migrating Instants.';
$instants = DB::select()
->from('instants')
->where('subscription_id', '=', $subscription->id)
->as_object()
->execute();
foreach ($instants as $instant)
{
echo 'Migrating a letter:' . $instant->subject . PHP_EOL;
echo 'Migrating letter "' . $instant->subject . '"' . PHP_EOL;
$query = DB::query(
Database::INSERT,
'INSERT INTO letters (course_id, subject, text, timestamp, sent)
@ -41,15 +90,21 @@ class Migration_Kangana_20161016123906 extends Minion_Migration_Base {
);
$query->parameters(array(
':course_id' => $course->id,
':course_id' => $course_id,
':subject' => $instant->subject,
':text' => $instant->text,
':timestamp' => $instant->timestamp,
':sent' => $instant->sent,
));
$query->execute();
}
}
$db->query(NULL, "DROP TABLE instants");
$db->query(NULL, "DROP TABLE subscriptions");
$db->query(NULL, "DROP TABLE subscriptions_groups");
$db->query(NULL, "DROP TABLE clients_subscriptions");
$db->commit();
echo 'All done.' . PHP_EOL;
}
catch (Database_Exception $e)
{
@ -64,8 +119,21 @@ class Migration_Kangana_20161016123906 extends Minion_Migration_Base {
*/
public function down(Kohana_Database $db)
{
echo 'An automatic rollback for this migration back is not implemented.';
return false;
echo 'Opening the transaction.'.PHP_EOL;
$db->begin();
try
{
echo 'Altering tables.'.PHP_EOL;
$db->query(NULL, 'ALTER TABLE `letters` DROP COLUMN `timestamp`');
$db->query(NULL, "alter table `letters` DROP column `sent`");
$db->query(NULL, "alter table `letters` DROP column `is_draft`");
$db->query(NULL, "alter table `courses` DROP column `type`");
$db->commit();
echo 'All done.' . PHP_EOL;
}
catch (Database_Exception $e)
{
$db->rollback();
}
}
}