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72 lines
1.9 KiB
PHP
72 lines
1.9 KiB
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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class Migration_add_contest_settings extends CI_Migration {
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public function up()
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{
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$fields = array(
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'settings' => array(
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'type' => 'TEXT',
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'null' => TRUE,
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),
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);
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// Add the settings field to the contest_session table
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if (!$this->db->field_exists('settings', 'contest_session')) {
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$this->dbforge->add_column('contest_session', $fields);
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// if there is any existing data in the contest_session table, we need to move it to the new settings field
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if ($this->db->get('contest_session')->row() > 0) {
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// Get the current data so we can add it back in
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$data = array(
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'exchangetype' => $this->db->get('contest_session')->row()->exchangetype,
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'exchange_sequence' => 's-g-e',
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'copyexchangeto' => $this->db->get('contest_session')->row()->copytodok,
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);
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// Update the settings field with the old data
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$this->db->update('contest_session', array('settings' => json_encode($data)));
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}
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// We also can drop the now unused columns
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$this->dbforge->drop_column('contest_session', 'exchangetype');
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$this->dbforge->drop_column('contest_session', 'copytodok');
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}
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}
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public function down()
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{
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// Drop the settings field from the contest_session table
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if ($this->db->field_exists('settings', 'contest_session')) {
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$this->dbforge->drop_column('contest_session', 'settings');
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}
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$fields = array(
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'exchangetype' => array(
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'type' => 'VARCHAR',
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'constraint' => 20,
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'unsigned' => TRUE,
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'null' => TRUE,
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'after' => 'contestid',
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),
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'copytodok' => array(
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'type' => 'INT',
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'constraint' => 10,
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'unsigned' => TRUE,
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'null' => TRUE,
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'after' => 'serialsent',
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),
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);
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// Add the fields to the contest_session table
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if (!$this->db->field_exists('exchangetype', 'contest_session')) {
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$this->dbforge->add_column('contest_session', $fields);
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}
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}
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}
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